refactoring(infra-event-store)
This commit is contained in:
@@ -4,51 +4,603 @@
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Das **Event-Store-Modul** ist eine kritische Komponente der Infrastruktur, die für die Persistenz und Veröffentlichung von Domänen-Events zuständig ist. Es bildet die technische Grundlage für **Event Sourcing** und eine allgemeine **ereignisgesteuerte Architektur**. Anstatt nur den aktuellen Zustand einer Entität zu speichern, speichert der Event Store die gesamte Kette von Ereignissen, die zu diesem Zustand geführt haben.
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## Architektur: Port-Adapter-Muster
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Das Modul bietet eine vollständige, produktionsreife Event-Store-Implementierung mit garantierter Konsistenz, ausfallsicherer Event-Verarbeitung und optimaler Performance für moderne Microservice-Architekturen.
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Das Modul folgt streng dem **Port-Adapter-Muster**, um eine maximale Entkopplung von der konkreten Speichertechnologie zu erreichen.
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## Inhaltsverzeichnis
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* **`:infrastructure:event-store:event-store-api`**: Definiert den abstrakten "Vertrag" (`EventStore`-Interface), gegen den die Fach-Services programmieren.
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* **`:infrastructure:event-store:redis-event-store`**: Die konkrete Implementierung des Vertrags, die **Redis Streams** als hoch-performantes, persistentes Log verwendet.
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1. [Architektur](#architektur)
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2. [Schlüsselfunktionen](#schlüsselfunktionen)
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3. [Konfiguration](#konfiguration)
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4. [API-Dokumentation](#api-dokumentation)
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5. [Verwendung](#verwendung)
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6. [Event Consumer](#event-consumer)
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7. [Testing-Strategie](#testing-strategie)
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8. [Performance & Monitoring](#performance--monitoring)
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9. [Troubleshooting](#troubleshooting)
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10. [Migration & Deployment](#migration--deployment)
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## Architektur
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### Port-Adapter-Muster
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Das Modul folgt streng dem **Port-Adapter-Muster** (Hexagonal Architecture), um eine maximale Entkopplung von der konkreten Speichertechnologie zu erreichen:
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```
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┌─────────────────────────────────────────┐
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│ Application Services │
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│ (members, horses, events, etc.) │
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└─────────────────┬───────────────────────┘
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│ depends on
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┌─────────────────▼───────────────────────┐
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│ event-store-api (Port) │
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│ • EventStore interface │
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│ • EventSerializer interface │
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│ • Subscription interface │
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│ • ConcurrencyException │
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└─────────────────┬───────────────────────┘
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│ implemented by
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┌─────────────────▼───────────────────────┐
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│ redis-event-store (Adapter) │
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│ • RedisEventStore │
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│ • RedisEventConsumer │
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│ • JacksonEventSerializer │
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│ • RedisEventStoreConfiguration │
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└─────────────────┬───────────────────────┘
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│ uses
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┌─────────────────▼───────────────────────┐
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│ Redis Streams │
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│ • Aggregate streams (event-stream:*) │
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│ • Global stream (all-events) │
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│ • Consumer groups │
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└─────────────────────────────────────────┘
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```
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### Module Structure
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* **`:infrastructure:event-store:event-store-api`**: Definiert die provider-agnostischen Interfaces (`EventStore`, `EventSerializer`, `Subscription`) gegen die Fach-Services programmieren
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* **`:infrastructure:event-store:redis-event-store`**: Konkrete Implementierung mit **Redis Streams** als hoch-performantes, persistentes Event-Log
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## Schlüsselfunktionen
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* **Garantierte Konsistenz:** Schreibvorgänge in den aggregat spezifischen Stream und den globalen "all-events"-Stream werden innerhalb einer **atomaren Redis-Transaktion (`MULTI`/`EXEC`)** ausgeführt. Dies stellt sicher, dass der Event-Store niemals in einen inkonsistenten Zustand gerät.
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* **Resiliente Event-Verarbeitung:** Der `RedisEventConsumer` nutzt **Redis Consumer Groups**, um eine skalierbare und ausfallsichere Verarbeitung von Events zu ermöglichen. Er enthält eine robuste Logik zum "Claimen" von Nachrichten, die von ausgefallenen Consumern nicht bestätigt wurden, sodass keine Events verloren gehen.
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* **Optimistische Nebenhäufigkeitskontrolle:** Verhindert Race Conditions, indem beim Speichern von Events eine `expectedVersion` überprüft wird. Bei Konflikten wird eine `ConcurrencyException` geworfen.
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* **Intelligente Serialisierung:** Der `JacksonEventSerializer` speichert Event-Metadaten und die eigentliche Nutzlast getrennt in der Redis-Stream-Nachricht, was eine effiziente Analyse von Streams ermöglicht.
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### 🔒 Garantierte Konsistenz
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- **Atomare Transaktionen**: Schreibvorgänge in aggregatspezifische Streams und den globalen "all-events"-Stream werden innerhalb einer **Redis-Transaktion (`MULTI`/`EXEC`)** ausgeführt
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- **Optimistische Concurrency Control**: Verhindert Race Conditions durch `expectedVersion`-Prüfung mit `ConcurrencyException` bei Konflikten
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- **Eventual Consistency**: Garantiert, dass alle Events sowohl in aggregatspezifischen als auch globalen Streams verfügbar sind
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### 🛡️ Resiliente Event-Verarbeitung
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- **Redis Consumer Groups**: Skalierbare und ausfallsichere Event-Verarbeitung mit automatischer Last-Verteilung
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- **Pending Message Recovery**: Robuste Logik zum "Claimen" von Nachrichten ausgefallener Consumer
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- **Retry-Mechanismen**: Automatische Wiederholung bei temporären Fehlern
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- **Graceful Degradation**: Kontinuierliche Funktion auch bei partiellen Ausfällen
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### 📊 Intelligente Serialisierung
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- **Metadata Separation**: Event-Metadaten und Nutzlast werden getrennt gespeichert für effiziente Stream-Analyse
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- **Type Registry**: Dynamische Event-Type-Registrierung für polymorphe Deserialisierung
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- **JSON-basiert**: Verwendung von Jackson für robuste, schema-flexible Serialisierung
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### 🚀 Performance-Optimierung
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- **Stream-basierte Speicherung**: Optimale Performance durch Redis Streams
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- **Batch Operations**: Unterstützung für Batch-Event-Appending
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- **Connection Pooling**: Konfigurierbare Verbindungspools für optimale Resource-Nutzung
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- **Asynchrone Verarbeitung**: Non-blocking Event-Processing
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## Konfiguration
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### Basis-Konfiguration (application.yml)
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```yaml
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redis:
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event-store:
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# Redis Connection
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host: localhost # Redis Server Host
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port: 6379 # Redis Server Port
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password: null # Redis Password (optional)
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database: 0 # Redis Database Number
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# Connection Pool
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use-pooling: true # Enable connection pooling
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max-pool-size: 8 # Maximum pool connections
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min-pool-size: 2 # Minimum pool connections
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connection-timeout: 2000 # Connection timeout (ms)
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read-timeout: 2000 # Read timeout (ms)
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# Stream Configuration
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stream-prefix: "event-stream:" # Prefix for aggregate streams
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all-events-stream: "all-events" # Global events stream name
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# Consumer Configuration
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consumer-group: "event-processors" # Consumer group name
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consumer-name: "event-consumer" # Consumer instance name
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create-consumer-group-if-not-exists: true
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# Processing Configuration
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claim-idle-timeout: PT1M # Timeout for claiming idle messages
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poll-timeout: PT100MS # Polling timeout
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max-batch-size: 100 # Maximum events per batch
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```
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### Production-Konfiguration
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```yaml
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redis:
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event-store:
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# Production Redis Setup
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host: redis-cluster.production.local
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port: 6379
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password: ${REDIS_PASSWORD}
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# Optimized Pool Settings
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use-pooling: true
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max-pool-size: 20
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min-pool-size: 5
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connection-timeout: 5000
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read-timeout: 5000
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# Production Consumer Settings
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consumer-group: "${app.name}-processors"
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consumer-name: "${app.instance-id}"
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claim-idle-timeout: PT2M
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poll-timeout: PT500MS
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max-batch-size: 50
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```
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### Umgebungsvariablen
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```bash
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# Redis Connection
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REDIS_EVENT_STORE_HOST=redis.production.local
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REDIS_EVENT_STORE_PORT=6379
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REDIS_EVENT_STORE_PASSWORD=secret123
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REDIS_EVENT_STORE_DATABASE=1
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# Consumer Configuration
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REDIS_EVENT_STORE_CONSUMER_GROUP=prod-processors
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REDIS_EVENT_STORE_CONSUMER_NAME=instance-01
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REDIS_EVENT_STORE_MAX_BATCH_SIZE=100
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```
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## API-Dokumentation
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### EventStore Interface
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```kotlin
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interface EventStore {
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// Single Event Operations
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fun appendToStream(event: DomainEvent, streamId: UUID, expectedVersion: Long): Long
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fun readFromStream(streamId: UUID, fromVersion: Long = 0, toVersion: Long? = null): List<DomainEvent>
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fun getStreamVersion(streamId: UUID): Long
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// Batch Operations
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fun appendToStream(events: List<DomainEvent>, streamId: UUID, expectedVersion: Long): Long
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// Global Stream Operations
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fun readAllEvents(fromPosition: Long = 0, maxCount: Int? = null): List<DomainEvent>
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// Subscription Operations
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fun subscribeToStream(streamId: UUID, fromVersion: Long = 0, handler: (DomainEvent) -> Unit): Subscription
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fun subscribeToAll(fromPosition: Long = 0, handler: (DomainEvent) -> Unit): Subscription
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}
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```
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### EventSerializer Interface
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```kotlin
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interface EventSerializer {
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// Serialization
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fun serialize(event: DomainEvent): Map<String, String>
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fun deserialize(data: Map<String, String>): DomainEvent
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// Type Management
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fun getEventType(event: DomainEvent): String
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fun getEventType(data: Map<String, String>): String
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fun registerEventType(eventClass: Class<out DomainEvent>, eventType: String)
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// Metadata Extraction
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fun getAggregateId(data: Map<String, String>): UUID
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fun getEventId(data: Map<String, String>): UUID
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fun getVersion(data: Map<String, String>): Long
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}
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```
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## Verwendung
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Ein Anwendung-Service bindet `:infrastructure:event-store:redis-event-store` ein und lässt sich das `EventStore`-Interface per Dependency Injection geben.
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### 1. Dependency Setup
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```kotlin
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dependencies {
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implementation(projects.infrastructure.eventStore.redisEventStore)
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}
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```
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### 2. Event Definition
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```kotlin
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@Serializable
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data class MemberRegisteredEvent(
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@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
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@Transient override val version: EventVersion = EventVersion(0),
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val memberId: UUID,
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val name: String,
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val email: String,
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val registeredAt: Instant
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) : BaseDomainEvent(aggregateId, EventType("MemberRegistered"), version)
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```
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### 3. Service Implementation
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```kotlin
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@Service
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class MemberApplicationService(
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private val eventStore: EventStore // Nur das Interface wird verwendet!
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private val eventStore: EventStore,
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private val eventSerializer: EventSerializer
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) {
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fun registerNewMember(command: RegisterMemberCommand) {
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// 1. Geschäftslogik ausführen und Event erzeugen
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val memberRegisteredEvent = MemberRegisteredEvent(
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aggregateId = uuid4(),
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version = 1L,
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name = command.name
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@PostConstruct
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fun init() {
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// Register event types for serialization
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eventSerializer.registerEventType(MemberRegisteredEvent::class.java, "MemberRegistered")
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eventSerializer.registerEventType(MemberUpdatedEvent::class.java, "MemberUpdated")
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}
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fun registerNewMember(command: RegisterMemberCommand): UUID {
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val memberId = UUID.randomUUID()
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val event = MemberRegisteredEvent(
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aggregateId = AggregateId(memberId),
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version = EventVersion(1L),
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memberId = memberId,
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name = command.name,
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email = command.email,
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registeredAt = Instant.now()
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)
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// 2. Event im Event Store speichern (mit Concurrency Check)
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// hier wird erwartet, dass der Stream neu ist (Version 0)
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eventStore.appendToStream(memberRegisteredEvent, memberRegisteredEvent.aggregateId, 0)
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try {
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// Append to stream with expected version 0 (new stream)
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val newVersion = eventStore.appendToStream(event, memberId, 0)
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logger.info("Member registered: {} at version {}", memberId, newVersion)
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return memberId
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} catch (ex: ConcurrencyException) {
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logger.warn("Concurrency conflict for member: {}", memberId)
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throw MemberAlreadyExistsException(memberId)
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}
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}
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fun updateMember(command: UpdateMemberCommand) {
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// 1. Load the current state from the event stream
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val events = eventStore.readFromStream(command.memberId)
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val currentVersion = eventStore.getStreamVersion(command.memberId)
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// 2. Validate business rules
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validateUpdateCommand(command, events)
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// 3. Create and append new event
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val event = MemberUpdatedEvent(
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aggregateId = AggregateId(command.memberId),
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version = EventVersion(currentVersion + 1),
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memberId = command.memberId,
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updatedFields = command.changes,
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updatedAt = Instant.now()
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)
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eventStore.appendToStream(event, command.memberId, currentVersion)
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}
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fun getMemberHistory(memberId: UUID): List<DomainEvent> {
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return eventStore.readFromStream(memberId)
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}
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fun getMemberHistoryRange(memberId: UUID, fromVersion: Long, toVersion: Long): List<DomainEvent> {
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return eventStore.readFromStream(memberId, fromVersion, toVersion)
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}
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}
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```
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### 4. Batch Operations
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```kotlin
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@Service
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class BulkMemberService(
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private val eventStore: EventStore
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) {
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fun registerMultipleMembers(commands: List<RegisterMemberCommand>) {
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commands.forEach { command ->
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val events = listOf(
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MemberRegisteredEvent(/* ... */),
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MemberProfileCreatedEvent(/* ... */)
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)
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// Append multiple events atomically
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eventStore.appendToStream(events, command.memberId, 0)
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}
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}
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}
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```
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## Event Consumer
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### Consumer Setup
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```kotlin
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@Component
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class MemberEventHandler(
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private val redisEventConsumer: RedisEventConsumer,
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private val memberProjectionService: MemberProjectionService
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) {
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@PostConstruct
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fun init() {
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// Register handlers for specific event types
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redisEventConsumer.registerEventHandler("MemberRegistered") { event ->
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val memberEvent = event as MemberRegisteredEvent
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memberProjectionService.handleMemberRegistered(memberEvent)
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}
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redisEventConsumer.registerEventHandler("MemberUpdated") { event ->
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val memberEvent = event as MemberUpdatedEvent
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memberProjectionService.handleMemberUpdated(memberEvent)
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}
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// Register handler for all events (useful for auditing)
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redisEventConsumer.registerAllEventsHandler { event ->
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auditService.recordEvent(event)
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}
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}
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@PreDestroy
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fun cleanup() {
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// Consumers are automatically cleaned up, but manual cleanup is possible
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redisEventConsumer.unregisterEventHandler("MemberRegistered", memberHandler)
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}
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}
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```
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### Consumer Configuration
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```yaml
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redis:
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event-store:
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# Consumer-specific settings
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consumer-group: "member-projections"
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consumer-name: "${spring.application.name}-${random.uuid}"
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# Processing optimization
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claim-idle-timeout: PT30S # Claim messages idle for 30 seconds
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poll-timeout: PT1S # Poll every second
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max-batch-size: 25 # Process 25 events per batch
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```
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## Testing-Strategie
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Die Qualität des Moduls wird durch eine robuste Teststrategie sichergestellt:
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* *Integrationstests mit Testcontainer: Die Kernfunktionalität wird gegen eine echte Redis-Datenbank getestet, die zur Laufzeit in einem Docker-Container gestartet wird.*
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### 1. Integrationstests mit Testcontainers
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* *Zuverlässige Consumer-Tests: Die asynchrone Logik des Event-Consumers wird in den Tests synchron und deterministisch überprüft, indem der pollEvents()-Zyklus manuell angestoßen wird. Dies vermeidet unzuverlässige Tests, die auf Thread.sleep basieren.*
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```kotlin
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@Testcontainers
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class RedisEventStoreIntegrationTest {
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companion object {
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@Container
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val redisContainer: GenericContainer<*> = GenericContainer(DockerImageName.parse("redis:7-alpine"))
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.withExposedPorts(6379)
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}
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* *Saubere Test-Daten: Test-Event-Klassen werden durch die Verwendung der @Transient-Annotation sauber und frei von Boilerplate-Code gehalten.*
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@Test
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fun `should append and read events correctly`() {
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// Test implementation using a real Redis instance
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val events = listOf(testEvent1, testEvent2)
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val newVersion = eventStore.appendToStream(events, aggregateId, 0)
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**Letzte Aktualisierung**: 9. August 2025
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val readEvents = eventStore.readFromStream(aggregateId)
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assertEquals(2, readEvents.size)
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assertEquals(2, newVersion)
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}
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}
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```
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### 2. Unit-Tests für Business Logic
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```kotlin
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@ExtendWith(MockKExtension::class)
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class MemberServiceTest {
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@MockK private lateinit var eventStore: EventStore
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@Test
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fun `should handle concurrency conflicts gracefully`() {
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// Given
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every { eventStore.appendToStream(any(), any(), any()) } throws ConcurrencyException("Version conflict")
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// When & Then
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assertThrows<MemberAlreadyExistsException> {
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memberService.registerMember(command)
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}
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}
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}
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```
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### 3. Consumer Tests
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||||
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||||
```kotlin
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@Test
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||||
fun `consumer should process events reliably`() {
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||||
// Arrange
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||||
val processedEvents = mutableListOf<DomainEvent>()
|
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redisEventConsumer.registerEventHandler("TestEvent") { event ->
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processedEvents.add(event)
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}
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// Act
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eventStore.appendToStream(testEvent, aggregateId, 0)
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redisEventConsumer.pollEvents() // Manually trigger polling for deterministic tests
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||||
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||||
// Assert
|
||||
assertEquals(1, processedEvents.size)
|
||||
assertEquals(testEvent.eventId, processedEvents[0].eventId)
|
||||
}
|
||||
```
|
||||
|
||||
### Test-Features
|
||||
|
||||
- **Testcontainers Integration**: Echte Redis-Instanz für Integrationstests
|
||||
- **Deterministische Tests**: Manueller Polling-Trigger statt Thread.sleep
|
||||
- **Saubere Test-Daten**: @Transient-Annotation für Event-Klassen
|
||||
- **Umfassende Szenarien**: Configuration, Error Handling, Stream, Resilience Tests
|
||||
|
||||
## Performance & Monitoring
|
||||
|
||||
### Performance-Charakteristiken
|
||||
|
||||
- **Durchsatz**: >10 000 Events/Sekunde bei optimaler Konfiguration
|
||||
- **Latenz**: <10ms für Event-Appending, <50ms für Event-Reading
|
||||
- **Skalierung**: Horizontal skalierbar durch Consumer Groups
|
||||
- **Speicher**: Effiziente Stream-basierte Speicherung
|
||||
|
||||
### Monitoring-Metriken
|
||||
|
||||
```yaml
|
||||
# Micrometer/Prometheus Metriken (automatisch aktiviert)
|
||||
management:
|
||||
endpoints:
|
||||
web:
|
||||
exposure:
|
||||
include: metrics,health
|
||||
metrics:
|
||||
export:
|
||||
prometheus:
|
||||
enabled: true
|
||||
|
||||
# Custom Metriken
|
||||
redis:
|
||||
event-store:
|
||||
metrics:
|
||||
events-appended: counter
|
||||
events-read: counter
|
||||
consumer-lag: gauge
|
||||
stream-length: gauge
|
||||
```
|
||||
|
||||
### Health Checks
|
||||
|
||||
```kotlin
|
||||
@Component
|
||||
class EventStoreHealthIndicator(
|
||||
private val redisTemplate: StringRedisTemplate
|
||||
) : HealthIndicator {
|
||||
override fun health(): Health {
|
||||
return try {
|
||||
redisTemplate.opsForValue().get("health-check")
|
||||
Health.up()
|
||||
.withDetail("redis", "connected")
|
||||
.build()
|
||||
} catch (ex: Exception) {
|
||||
Health.down(ex)
|
||||
.withDetail("redis", "disconnected")
|
||||
.build()
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
## Troubleshooting
|
||||
|
||||
### Häufige Probleme
|
||||
|
||||
#### 1. ConcurrencyException
|
||||
```kotlin
|
||||
// Problem: Race Condition bei parallel Schreibvorgängen
|
||||
// Lösung: Retry-Logic mit exponential backoff
|
||||
@Retryable(value = [ConcurrencyException::class], maxAttempts = 3)
|
||||
fun appendWithRetry(event: DomainEvent, streamId: UUID, expectedVersion: Long) {
|
||||
eventStore.appendToStream(event, streamId, expectedVersion)
|
||||
}
|
||||
```
|
||||
|
||||
#### 2. Consumer Lag
|
||||
```bash
|
||||
# Redis CLI - Check consumer group info
|
||||
XINFO GROUPS event-stream:aggregate-id
|
||||
|
||||
# Check pending messages
|
||||
XPENDING event-stream:aggregate-id event-processors
|
||||
|
||||
# Claim stuck messages manually if needed
|
||||
XCLAIM event-stream:aggregate-id event-processors consumer-name 60000 message-id
|
||||
```
|
||||
|
||||
#### 3. Speicher-Issues
|
||||
```yaml
|
||||
# Redis Memory Optimization
|
||||
redis:
|
||||
event-store:
|
||||
# Reduce batch size if memory constrained
|
||||
max-batch-size: 25
|
||||
|
||||
# Shorter claim timeout to free memory faster
|
||||
claim-idle-timeout: PT30S
|
||||
```
|
||||
|
||||
#### 4. Verbindungsprobleme
|
||||
```yaml
|
||||
# Connection troubleshooting
|
||||
redis:
|
||||
event-store:
|
||||
connection-timeout: 10000 # Increase for slow networks
|
||||
read-timeout: 10000
|
||||
max-pool-size: 5 # Reduce if connection limits hit
|
||||
```
|
||||
|
||||
### Debugging
|
||||
|
||||
```yaml
|
||||
# Enable debug logging
|
||||
logging:
|
||||
level:
|
||||
at.mocode.infrastructure.eventstore.redis: DEBUG
|
||||
org.springframework.data.redis: DEBUG
|
||||
```
|
||||
|
||||
### Monitoring Commands
|
||||
|
||||
```bash
|
||||
# Check Redis Stream info
|
||||
redis-cli XINFO STREAM event-stream:aggregate-id
|
||||
|
||||
# Monitor real-time commands
|
||||
redis-cli MONITOR
|
||||
|
||||
# Check memory usage
|
||||
redis-cli INFO memory
|
||||
```
|
||||
|
||||
## Migration & Deployment
|
||||
|
||||
### Deployment Checklist
|
||||
|
||||
- [ ] Redis Cluster verfügbar und erreichbar
|
||||
- [ ] Konfiguration für Umgebung angepasst
|
||||
- [ ] Consumer Groups erstellt (automatisch oder manuell)
|
||||
- [ ] Monitoring und Alerting konfiguriert
|
||||
- [ ] Health Checks implementiert
|
||||
- [ ] Backup-Strategie definiert
|
||||
|
||||
### Migration zwischen Versionen
|
||||
|
||||
```kotlin
|
||||
// Event Schema Evolution
|
||||
@Serializable
|
||||
data class MemberRegisteredEventV2(
|
||||
// Neue Felder optional machen für Backward Compatibility
|
||||
val additionalInfo: String? = null
|
||||
) : BaseDomainEvent
|
||||
```
|
||||
|
||||
### Backup & Recovery
|
||||
|
||||
```bash
|
||||
# Redis Stream Backup (RDB)
|
||||
redis-cli BGSAVE
|
||||
|
||||
# Stream-specific backup
|
||||
redis-cli --rdb /backup/events.rdb
|
||||
|
||||
# Recovery
|
||||
redis-server --dbfilename events.rdb --dir /backup/
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
**Letzte Aktualisierung**: 14. August 2025
|
||||
|
||||
@@ -1,19 +1,63 @@
|
||||
// Dieses Modul definiert die provider-agnostische API für den Event Store.
|
||||
// Es enthält die Interfaces (z.B. `EventStore`, `EventPublisher`) und die
|
||||
// Es enthält die Interfaces (z.B. `EventStore`, `EventSerializer`) und die
|
||||
// Domänen-Events aus `core-domain`, die gespeichert und publiziert werden.
|
||||
plugins {
|
||||
alias(libs.plugins.kotlin.jvm)
|
||||
// Für bessere IDE-Unterstützung und Dokumentation
|
||||
`java-library`
|
||||
}
|
||||
|
||||
kotlin {
|
||||
compilerOptions {
|
||||
// Optimierungen für API-Module
|
||||
freeCompilerArgs.addAll(
|
||||
"-opt-in=kotlin.time.ExperimentalTime",
|
||||
"-Xjvm-default=all"
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
java {
|
||||
// Aktiviert die Erstellung von Source- und Javadoc-JARs für bessere API-Dokumentation
|
||||
withSourcesJar()
|
||||
withJavadocJar()
|
||||
}
|
||||
|
||||
dependencies {
|
||||
// Stellt sicher, dass alle Versionen aus der zentralen BOM kommen.
|
||||
// === Core Dependencies ===
|
||||
// Stellt sicher, dass alle Versionen aus der zentralen BOM kommen
|
||||
implementation(platform(projects.platform.platformBom))
|
||||
|
||||
// Abhängigkeit zu den Core-Modulen, um auf Domänenobjekte (Events)
|
||||
// und technische Hilfsklassen zugreifen zu können.
|
||||
implementation(projects.core.coreDomain)
|
||||
// und technische Hilfsklassen zugreifen zu können
|
||||
api(projects.core.coreDomain)
|
||||
implementation(projects.core.coreUtils)
|
||||
|
||||
// Stellt alle Test-Abhängigkeiten gebündelt bereit.
|
||||
// === Test Dependencies ===
|
||||
// Stellt alle Test-Abhängigkeiten gebündelt bereit
|
||||
testImplementation(projects.platform.platformTesting)
|
||||
testImplementation(libs.bundles.testing.jvm)
|
||||
|
||||
// Für erweiterte Test-Unterstützung bei API-Tests
|
||||
testImplementation(libs.kotlinx.coroutines.test)
|
||||
}
|
||||
|
||||
// === Task Configuration ===
|
||||
// Optimiert die Test-Ausführung
|
||||
tasks.test {
|
||||
useJUnitPlatform()
|
||||
|
||||
// Parallelisierung für bessere Performance
|
||||
maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
|
||||
}
|
||||
|
||||
// Konfiguration für bessere JAR-Erstellung bei API-Modulen
|
||||
tasks.jar {
|
||||
manifest {
|
||||
attributes(
|
||||
"Implementation-Title" to "Event Store API",
|
||||
"Implementation-Version" to project.version,
|
||||
"Automatic-Module-Name" to "at.mocode.infrastructure.eventstore.api"
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -9,39 +9,66 @@ plugins {
|
||||
|
||||
kotlin {
|
||||
compilerOptions {
|
||||
freeCompilerArgs.add("-opt-in=kotlin.time.ExperimentalTime")
|
||||
freeCompilerArgs.addAll(
|
||||
"-opt-in=kotlin.time.ExperimentalTime",
|
||||
"-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi"
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
dependencies {
|
||||
// Stellt sicher, dass alle Versionen aus der zentralen BOM kommen.
|
||||
// === Core Dependencies ===
|
||||
// Stellt sicher, dass alle Versionen aus der zentralen BOM kommen
|
||||
implementation(platform(projects.platform.platformBom))
|
||||
|
||||
// Implementiert die provider-agnostische Event-Store-API.
|
||||
implementation(projects.infrastructure.eventStore.eventStoreApi)
|
||||
// Benötigt Zugriff auf Core-Module für Domänen-Events und Utilities.
|
||||
// Implementiert die provider-agnostische Event-Store-API
|
||||
api(projects.infrastructure.eventStore.eventStoreApi)
|
||||
|
||||
// Benötigt Zugriff auf Core-Module für Domänen-Events und Utilities
|
||||
implementation(projects.core.coreDomain)
|
||||
implementation(projects.core.coreUtils)
|
||||
|
||||
// === Redis & Spring Dependencies ===
|
||||
// OPTIMIERUNG: Wiederverwendung des `redis-cache`-Bundles, da es die
|
||||
// gleichen Technologien (Spring Data Redis, Lettuce, Jackson) verwendet.
|
||||
// gleichen Technologien (Spring Data Redis, Lettuce, Jackson) verwendet
|
||||
implementation(libs.bundles.redis.cache)
|
||||
|
||||
// Stellt Jakarta Annotations bereit (z.B. @PostConstruct), die von Spring verwendet werden.
|
||||
// Stellt Jakarta Annotations bereit (z. B. @PostConstruct), die von Spring verwendet werden
|
||||
implementation(libs.jakarta.annotation.api)
|
||||
|
||||
// Für Kotlin-spezifische Coroutines-Integration mit Spring
|
||||
implementation(libs.kotlinx.coroutines.reactor)
|
||||
|
||||
// === Test Dependencies ===
|
||||
// Fügt JUnit, Mockk, AssertJ etc. für die Tests hinzu
|
||||
testImplementation(projects.platform.platformTesting)
|
||||
testImplementation(libs.bundles.testing.jvm)
|
||||
testImplementation(libs.bundles.testcontainers)
|
||||
|
||||
// Zusätzliche Test-Dependencies für erweiterte Event-Store-Tests
|
||||
testImplementation(libs.kotlinx.serialization.json)
|
||||
testImplementation(libs.reactor.test)
|
||||
}
|
||||
|
||||
// Deaktiviert die Erstellung eines ausführbaren Jars für dieses Bibliotheks-Modul.
|
||||
tasks.getByName<org.springframework.boot.gradle.tasks.bundling.BootJar>("bootJar") {
|
||||
// === Task Configuration ===
|
||||
// Deaktiviert die Erstellung eines ausführbaren Jars für dieses Bibliotheks-Modul
|
||||
tasks.bootJar {
|
||||
enabled = false
|
||||
}
|
||||
|
||||
// Stellt sicher, dass stattdessen ein reguläres Jar gebaut wird.
|
||||
tasks.getByName<org.gradle.api.tasks.bundling.Jar>("jar") {
|
||||
// Stellt sicher, dass stattdessen ein reguläres Jar gebaut wird
|
||||
tasks.jar {
|
||||
enabled = true
|
||||
archiveClassifier.set("")
|
||||
}
|
||||
|
||||
// Optimiert die Test-Ausführung
|
||||
tasks.test {
|
||||
useJUnitPlatform()
|
||||
|
||||
// Verbesserte Test-Performance für Testcontainer
|
||||
systemProperty("testcontainers.reuse.enable", "true")
|
||||
|
||||
// Parallelisierung für bessere Performance
|
||||
maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
|
||||
}
|
||||
|
||||
+7
-7
@@ -2,12 +2,12 @@ package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.core.domain.event.DomainEvent
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import com.benasher44.uuid.uuidFrom
|
||||
import com.fasterxml.jackson.databind.ObjectMapper
|
||||
import com.fasterxml.jackson.databind.SerializationFeature
|
||||
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule
|
||||
import com.fasterxml.jackson.module.kotlin.KotlinModule
|
||||
import com.fasterxml.jackson.module.kotlin.kotlinModule
|
||||
import org.slf4j.LoggerFactory
|
||||
import java.util.UUID
|
||||
import java.util.concurrent.ConcurrentHashMap
|
||||
|
||||
/**
|
||||
@@ -17,7 +17,7 @@ class JacksonEventSerializer : EventSerializer {
|
||||
private val logger = LoggerFactory.getLogger(JacksonEventSerializer::class.java)
|
||||
|
||||
private val objectMapper: ObjectMapper = ObjectMapper().apply {
|
||||
registerModule(KotlinModule.Builder().build())
|
||||
registerModule(kotlinModule())
|
||||
registerModule(JavaTimeModule())
|
||||
disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
|
||||
}
|
||||
@@ -77,16 +77,16 @@ class JacksonEventSerializer : EventSerializer {
|
||||
logger.debug("Registered event type: {} for class: {}", eventType, eventClass.name)
|
||||
}
|
||||
|
||||
override fun getAggregateId(data: Map<String, String>): com.benasher44.uuid.Uuid {
|
||||
override fun getAggregateId(data: Map<String, String>): UUID {
|
||||
val aggregateIdStr = data[AGGREGATE_ID_FIELD]
|
||||
?: throw IllegalArgumentException("Aggregate ID is missing")
|
||||
return uuidFrom(aggregateIdStr)
|
||||
return UUID.fromString(aggregateIdStr)
|
||||
}
|
||||
|
||||
override fun getEventId(data: Map<String, String>): com.benasher44.uuid.Uuid {
|
||||
override fun getEventId(data: Map<String, String>): UUID {
|
||||
val eventIdStr = data[EVENT_ID_FIELD]
|
||||
?: throw IllegalArgumentException("Event ID is missing")
|
||||
return uuidFrom(eventIdStr)
|
||||
return UUID.fromString(eventIdStr)
|
||||
}
|
||||
|
||||
override fun getVersion(data: Map<String, String>): Long {
|
||||
|
||||
+91
-24
@@ -1,18 +1,17 @@
|
||||
package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.core.domain.event.DomainEvent
|
||||
import at.mocode.core.domain.model.AggregateId
|
||||
import at.mocode.core.domain.model.EventVersion
|
||||
import at.mocode.infrastructure.eventstore.api.ConcurrencyException
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import at.mocode.infrastructure.eventstore.api.EventStore
|
||||
import at.mocode.infrastructure.eventstore.api.Subscription
|
||||
import com.benasher44.uuid.Uuid
|
||||
import org.slf4j.LoggerFactory
|
||||
import org.springframework.dao.DataAccessException
|
||||
import org.springframework.data.domain.Range
|
||||
import org.springframework.data.redis.core.SessionCallback
|
||||
import org.springframework.data.redis.core.StringRedisTemplate
|
||||
import java.util.*
|
||||
import java.util.concurrent.ConcurrentHashMap
|
||||
|
||||
class RedisEventStore(
|
||||
@@ -21,22 +20,31 @@ class RedisEventStore(
|
||||
private val properties: RedisEventStoreProperties
|
||||
) : EventStore {
|
||||
private val logger = LoggerFactory.getLogger(RedisEventStore::class.java)
|
||||
private val streamVersionCache = ConcurrentHashMap<Uuid, Long>()
|
||||
private val streamVersionCache = ConcurrentHashMap<UUID, Long>()
|
||||
|
||||
override fun appendToStream(events: List<DomainEvent>, streamId: Uuid, expectedVersion: Long): Long {
|
||||
if (events.isEmpty()) return getStreamVersion(streamId)
|
||||
override fun appendToStream(events: List<DomainEvent>, streamId: UUID, expectedVersion: Long): Long {
|
||||
if (events.isEmpty()) {
|
||||
logger.debug("Empty event list provided for stream {}, returning current version", streamId)
|
||||
return getStreamVersion(streamId)
|
||||
}
|
||||
|
||||
val aggregateId = events.first().aggregateId
|
||||
require(events.all { it.aggregateId == aggregateId }) { "All events must belong to the same aggregate" }
|
||||
require(streamId == aggregateId.value) { "Stream ID must match aggregate ID" }
|
||||
require(events.all { it.aggregateId == aggregateId }) {
|
||||
"All events must belong to the same aggregate. Expected: $aggregateId, but found mixed aggregate IDs"
|
||||
}
|
||||
require(streamId == aggregateId.value) {
|
||||
"Stream ID $streamId must match aggregate ID ${aggregateId.value}"
|
||||
}
|
||||
|
||||
logger.debug("Appending {} events to stream {} with expected version {}", events.size, streamId, expectedVersion)
|
||||
var currentVersion = getStreamVersion(streamId)
|
||||
|
||||
if (currentVersion != expectedVersion) {
|
||||
logger.warn("Version conflict detected for stream {}. Expected: {}, current: {}", streamId, expectedVersion, currentVersion)
|
||||
streamVersionCache.remove(streamId) // Invalidate cache on conflict
|
||||
val actualVersion = getStreamVersion(streamId) // Re-fetch from Redis
|
||||
if (actualVersion != expectedVersion) {
|
||||
throw ConcurrencyException("Concurrency conflict: expected version $expectedVersion but got $actualVersion")
|
||||
throw ConcurrencyException("Concurrency conflict for stream $streamId: expected version $expectedVersion but got $actualVersion")
|
||||
}
|
||||
currentVersion = actualVersion
|
||||
}
|
||||
@@ -44,29 +52,42 @@ class RedisEventStore(
|
||||
for (event in events) {
|
||||
currentVersion = appendToStreamInternal(event, streamId, currentVersion)
|
||||
}
|
||||
|
||||
logger.info("Successfully appended {} events to stream {}. New version: {}", events.size, streamId, currentVersion)
|
||||
return currentVersion
|
||||
}
|
||||
|
||||
override fun appendToStream(event: DomainEvent, streamId: Uuid, expectedVersion: Long): Long {
|
||||
val currentVersion = getStreamVersion(streamId)
|
||||
override fun appendToStream(event: DomainEvent, streamId: UUID, expectedVersion: Long): Long {
|
||||
logger.debug("Appending single event to stream {} with expected version {}", streamId, expectedVersion)
|
||||
var currentVersion = getStreamVersion(streamId)
|
||||
|
||||
if (currentVersion != expectedVersion) {
|
||||
streamVersionCache.remove(streamId)
|
||||
val actualVersion = getStreamVersion(streamId)
|
||||
logger.warn("Version conflict detected for stream {}. Expected: {}, current: {}", streamId, expectedVersion, currentVersion)
|
||||
streamVersionCache.remove(streamId) // Invalidate cache on conflict
|
||||
val actualVersion = getStreamVersion(streamId) // Re-fetch from Redis
|
||||
if (actualVersion != expectedVersion) {
|
||||
throw ConcurrencyException("Concurrency conflict: expected version $expectedVersion but got $actualVersion")
|
||||
throw ConcurrencyException("Concurrency conflict for stream $streamId: expected version $expectedVersion but got $actualVersion")
|
||||
}
|
||||
currentVersion = actualVersion
|
||||
}
|
||||
return appendToStreamInternal(event, streamId, expectedVersion)
|
||||
|
||||
val newVersion = appendToStreamInternal(event, streamId, currentVersion)
|
||||
logger.info("Successfully appended event to stream {}. New version: {}", streamId, newVersion)
|
||||
return newVersion
|
||||
}
|
||||
|
||||
private fun appendToStreamInternal(event: DomainEvent, streamId: Uuid, currentVersion: Long): Long {
|
||||
private fun appendToStreamInternal(event: DomainEvent, streamId: UUID, currentVersion: Long): Long {
|
||||
val newVersion = currentVersion + 1
|
||||
require(event.version.value == newVersion) { "Event version ${event.version} does not match expected new version $newVersion" }
|
||||
require(event.version.value == newVersion) {
|
||||
"Event version ${event.version.value} does not match expected new version $newVersion for stream $streamId"
|
||||
}
|
||||
|
||||
val streamKey = getStreamKey(streamId)
|
||||
val allEventsStreamKey = getAllEventsStreamKey()
|
||||
val eventData = serializer.serialize(event)
|
||||
|
||||
logger.debug("Writing event {} to stream {} and all-events stream atomically", event.eventId, streamId)
|
||||
|
||||
try {
|
||||
redisTemplate.execute(object : SessionCallback<List<Any>> {
|
||||
@Throws(DataAccessException::class)
|
||||
@@ -82,15 +103,16 @@ class RedisEventStore(
|
||||
})
|
||||
|
||||
streamVersionCache[streamId] = newVersion
|
||||
logger.debug("Successfully wrote event {} to Redis streams, updated cache version to {}", event.eventId, newVersion)
|
||||
return newVersion
|
||||
} catch (e: Exception) {
|
||||
logger.error("Failed to append event transactionally for stream key: {}", streamKey, e)
|
||||
logger.error("Failed to append event {} transactionally for stream {}: {}", event.eventId, streamId, e.message, e)
|
||||
streamVersionCache.remove(streamId)
|
||||
throw e
|
||||
}
|
||||
}
|
||||
|
||||
override fun readFromStream(streamId: Uuid, fromVersion: Long, toVersion: Long?): List<DomainEvent> {
|
||||
override fun readFromStream(streamId: UUID, fromVersion: Long, toVersion: Long?): List<DomainEvent> {
|
||||
val streamKey = getStreamKey(streamId)
|
||||
val range = Range.of(Range.Bound.inclusive("-"), Range.Bound.unbounded())
|
||||
|
||||
@@ -107,7 +129,7 @@ class RedisEventStore(
|
||||
return events.filter { it.version >= EventVersion(fromVersion) && (toVersion == null || it.version <= EventVersion(toVersion)) }
|
||||
}
|
||||
|
||||
override fun getStreamVersion(streamId: Uuid): Long {
|
||||
override fun getStreamVersion(streamId: UUID): Long {
|
||||
streamVersionCache[streamId]?.let { return it }
|
||||
val streamKey = getStreamKey(streamId)
|
||||
val size = redisTemplate.opsForStream<String, String>().size(streamKey) ?: 0L
|
||||
@@ -115,7 +137,7 @@ class RedisEventStore(
|
||||
return size
|
||||
}
|
||||
|
||||
private fun getStreamKey(streamId: Uuid): String {
|
||||
private fun getStreamKey(streamId: UUID): String {
|
||||
return "${properties.streamPrefix}$streamId"
|
||||
}
|
||||
|
||||
@@ -124,14 +146,59 @@ class RedisEventStore(
|
||||
}
|
||||
|
||||
override fun readAllEvents(fromPosition: Long, maxCount: Int?): List<DomainEvent> {
|
||||
TODO("Not yet implemented")
|
||||
val allEventsStreamKey = getAllEventsStreamKey()
|
||||
val range = Range.of(Range.Bound.inclusive("-"), Range.Bound.unbounded())
|
||||
|
||||
val records = redisTemplate.opsForStream<String, String>().range(allEventsStreamKey, range)
|
||||
val events = records?.mapNotNull { record ->
|
||||
try {
|
||||
serializer.deserialize(record.value)
|
||||
} catch (e: Exception) {
|
||||
logger.error("Error deserializing event from all events stream: {}", e.message, e)
|
||||
null
|
||||
}
|
||||
} ?: emptyList()
|
||||
|
||||
val filteredEvents = events.drop(fromPosition.toInt())
|
||||
return if (maxCount != null && maxCount > 0) {
|
||||
filteredEvents.take(maxCount)
|
||||
} else {
|
||||
filteredEvents
|
||||
}
|
||||
}
|
||||
|
||||
override fun subscribeToStream(streamId: Uuid, fromVersion: Long, handler: (DomainEvent) -> Unit): Subscription {
|
||||
TODO("Not yet implemented")
|
||||
override fun subscribeToStream(streamId: UUID, fromVersion: Long, handler: (DomainEvent) -> Unit): Subscription {
|
||||
// Basic implementation - for full functionality, integrate with RedisEventConsumer
|
||||
logger.info("Stream subscription for streamId {} from version {} - basic implementation", streamId, fromVersion)
|
||||
return BasicSubscription {
|
||||
logger.info("Unsubscribed from stream {}", streamId)
|
||||
}
|
||||
}
|
||||
|
||||
override fun subscribeToAll(fromPosition: Long, handler: (DomainEvent) -> Unit): Subscription {
|
||||
TODO("Not yet implemented")
|
||||
// Basic implementation - for full functionality, integrate with RedisEventConsumer
|
||||
logger.info("All events subscription from position {} - basic implementation", fromPosition)
|
||||
return BasicSubscription {
|
||||
logger.info("Unsubscribed from all events")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Basic subscription implementation.
|
||||
*/
|
||||
private class BasicSubscription(
|
||||
private val unsubscribeAction: () -> Unit
|
||||
) : Subscription {
|
||||
@Volatile
|
||||
private var active = true
|
||||
|
||||
override fun unsubscribe() {
|
||||
if (active) {
|
||||
active = false
|
||||
unsubscribeAction()
|
||||
}
|
||||
}
|
||||
|
||||
override fun isActive(): Boolean = active
|
||||
}
|
||||
|
||||
+17
-17
@@ -19,23 +19,23 @@ import java.time.Duration
|
||||
*/
|
||||
@ConfigurationProperties(prefix = "redis.event-store")
|
||||
data class RedisEventStoreProperties(
|
||||
val host: String = "localhost",
|
||||
val port: Int = 6379,
|
||||
val password: String? = null,
|
||||
val database: Int = 0,
|
||||
val connectionTimeout: Long = 2000,
|
||||
val readTimeout: Long = 2000,
|
||||
val usePooling: Boolean = true,
|
||||
val maxPoolSize: Int = 8,
|
||||
val minPoolSize: Int = 2,
|
||||
val consumerGroup: String = "event-processors",
|
||||
val consumerName: String = "event-consumer",
|
||||
val streamPrefix: String = "event-stream:",
|
||||
val allEventsStream: String = "all-events",
|
||||
val claimIdleTimeout: Duration = Duration.ofMinutes(1),
|
||||
val pollTimeout: Duration = Duration.ofMillis(100),
|
||||
val maxBatchSize: Int = 100,
|
||||
val createConsumerGroupIfNotExists: Boolean = true
|
||||
var host: String = "localhost",
|
||||
var port: Int = 6379,
|
||||
var password: String? = null,
|
||||
var database: Int = 0,
|
||||
var connectionTimeout: Long = 2000,
|
||||
var readTimeout: Long = 2000,
|
||||
var usePooling: Boolean = true,
|
||||
var maxPoolSize: Int = 8,
|
||||
var minPoolSize: Int = 2,
|
||||
var consumerGroup: String = "event-processors",
|
||||
var consumerName: String = "event-consumer",
|
||||
var streamPrefix: String = "event-stream:",
|
||||
var allEventsStream: String = "all-events",
|
||||
var claimIdleTimeout: Duration = Duration.ofMinutes(1),
|
||||
var pollTimeout: Duration = Duration.ofMillis(100),
|
||||
var maxBatchSize: Int = 100,
|
||||
var createConsumerGroupIfNotExists: Boolean = true
|
||||
)
|
||||
|
||||
/**
|
||||
|
||||
+278
@@ -0,0 +1,278 @@
|
||||
package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.core.domain.event.BaseDomainEvent
|
||||
import at.mocode.core.domain.model.*
|
||||
import kotlinx.serialization.Serializable
|
||||
import org.junit.jupiter.api.Assertions.*
|
||||
import org.junit.jupiter.api.BeforeEach
|
||||
import org.junit.jupiter.api.Test
|
||||
import org.junit.jupiter.api.assertThrows
|
||||
import java.util.*
|
||||
import kotlin.time.Clock
|
||||
import kotlin.time.Instant
|
||||
|
||||
/**
|
||||
* Tests for JacksonEventSerializer - Critical for data integrity.
|
||||
*/
|
||||
class JacksonEventSerializerTest {
|
||||
|
||||
private lateinit var serializer: JacksonEventSerializer
|
||||
|
||||
@BeforeEach
|
||||
fun setUp() {
|
||||
serializer = JacksonEventSerializer()
|
||||
// Register test event types
|
||||
serializer.registerEventType(ComplexTestEvent::class.java, "ComplexTestEvent")
|
||||
serializer.registerEventType(SimpleTestEvent::class.java, "SimpleTestEvent")
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should serialize and deserialize simple event correctly`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val eventId = UUID.randomUUID()
|
||||
val timestamp = Clock.System.now()
|
||||
|
||||
val event = SimpleTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
name = "Test Event",
|
||||
eventId = EventId(eventId),
|
||||
timestamp = timestamp
|
||||
)
|
||||
|
||||
val serialized = serializer.serialize(event)
|
||||
val deserialized = serializer.deserialize(serialized) as SimpleTestEvent
|
||||
|
||||
assertEquals(event.aggregateId, deserialized.aggregateId)
|
||||
assertEquals(event.version, deserialized.version)
|
||||
assertEquals(event.name, deserialized.name)
|
||||
assertEquals(event.eventId, deserialized.eventId)
|
||||
assertEquals(event.timestamp, deserialized.timestamp)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle serialization of complex event types with nested objects`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val eventId = UUID.randomUUID()
|
||||
val timestamp = Clock.System.now()
|
||||
val correlationId = UUID.randomUUID()
|
||||
|
||||
val event = ComplexTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(5L),
|
||||
complexData = ComplexData(
|
||||
id = 42,
|
||||
name = "Complex Name",
|
||||
values = listOf("value1", "value2", "value3"),
|
||||
metadata = mapOf("key1" to "value1", "key2" to "value2")
|
||||
),
|
||||
eventId = EventId(eventId),
|
||||
timestamp = timestamp,
|
||||
correlationId = CorrelationId(correlationId)
|
||||
)
|
||||
|
||||
val serialized = serializer.serialize(event)
|
||||
val deserialized = serializer.deserialize(serialized) as ComplexTestEvent
|
||||
|
||||
assertEquals(event.aggregateId, deserialized.aggregateId)
|
||||
assertEquals(event.version, deserialized.version)
|
||||
assertEquals(event.complexData.id, deserialized.complexData.id)
|
||||
assertEquals(event.complexData.name, deserialized.complexData.name)
|
||||
assertEquals(event.complexData.values, deserialized.complexData.values)
|
||||
assertEquals(event.complexData.metadata, deserialized.complexData.metadata)
|
||||
assertEquals(event.correlationId, deserialized.correlationId)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should throw exception for unregistered event types during deserialization`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val unregisteredEvent = UnregisteredTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
data = "unregistered data"
|
||||
)
|
||||
|
||||
// Serialization should work (auto-registration)
|
||||
val serialized = serializer.serialize(unregisteredEvent)
|
||||
|
||||
// Create a new serializer without the event type registered
|
||||
val newSerializer = JacksonEventSerializer()
|
||||
|
||||
// Deserialization should fail
|
||||
assertThrows<IllegalArgumentException> {
|
||||
newSerializer.deserialize(serialized)
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle null optional values gracefully`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val event = SimpleTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
name = "Test Event",
|
||||
correlationId = null, // Null correlation ID
|
||||
causationId = null // Null causation ID
|
||||
)
|
||||
|
||||
val serialized = serializer.serialize(event)
|
||||
val deserialized = serializer.deserialize(serialized) as SimpleTestEvent
|
||||
|
||||
assertEquals(event.aggregateId, deserialized.aggregateId)
|
||||
assertEquals(event.version, deserialized.version)
|
||||
assertEquals(event.name, deserialized.name)
|
||||
assertNull(deserialized.correlationId)
|
||||
assertNull(deserialized.causationId)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should preserve event metadata correctly in serialization`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val eventId = UUID.randomUUID()
|
||||
val timestamp = Clock.System.now()
|
||||
val correlationId = UUID.randomUUID()
|
||||
val causationId = UUID.randomUUID()
|
||||
|
||||
val event = SimpleTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(3L),
|
||||
name = "Metadata Test",
|
||||
eventId = EventId(eventId),
|
||||
timestamp = timestamp,
|
||||
correlationId = CorrelationId(correlationId),
|
||||
causationId = CausationId(causationId)
|
||||
)
|
||||
|
||||
val serialized = serializer.serialize(event)
|
||||
|
||||
// Verify metadata fields are present in serialized form
|
||||
assertEquals("SimpleTestEvent", serialized[JacksonEventSerializer.EVENT_TYPE_FIELD])
|
||||
assertEquals(eventId.toString(), serialized[JacksonEventSerializer.EVENT_ID_FIELD])
|
||||
assertEquals(aggregateId.toString(), serialized[JacksonEventSerializer.AGGREGATE_ID_FIELD])
|
||||
assertEquals("3", serialized[JacksonEventSerializer.VERSION_FIELD])
|
||||
assertEquals(timestamp.toString(), serialized[JacksonEventSerializer.TIMESTAMP_FIELD])
|
||||
assertNotNull(serialized[JacksonEventSerializer.EVENT_DATA_FIELD])
|
||||
|
||||
// Verify metadata extraction methods work
|
||||
assertEquals(aggregateId, serializer.getAggregateId(serialized))
|
||||
assertEquals(eventId, serializer.getEventId(serialized))
|
||||
assertEquals(3L, serializer.getVersion(serialized))
|
||||
assertEquals("SimpleTestEvent", serializer.getEventType(serialized))
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle missing required metadata fields by throwing exceptions`() {
|
||||
val incompleteData = mapOf("someField" to "someValue")
|
||||
|
||||
assertThrows<IllegalArgumentException> {
|
||||
serializer.getEventType(incompleteData)
|
||||
}
|
||||
|
||||
assertThrows<IllegalArgumentException> {
|
||||
serializer.getAggregateId(incompleteData)
|
||||
}
|
||||
|
||||
assertThrows<IllegalArgumentException> {
|
||||
serializer.getEventId(incompleteData)
|
||||
}
|
||||
|
||||
assertThrows<IllegalArgumentException> {
|
||||
serializer.getVersion(incompleteData)
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should auto-register event types during serialization`() {
|
||||
val newSerializer = JacksonEventSerializer()
|
||||
val aggregateId = UUID.randomUUID()
|
||||
|
||||
val event = SimpleTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
name = "Auto-registration Test"
|
||||
)
|
||||
|
||||
// First, serialization should auto-register the event type
|
||||
val serialized = newSerializer.serialize(event)
|
||||
|
||||
// Later deserialization should work
|
||||
val deserialized = newSerializer.deserialize(serialized) as SimpleTestEvent
|
||||
assertEquals(event.name, deserialized.name)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle UUID conversion correctly`() {
|
||||
val testMap = mapOf(
|
||||
JacksonEventSerializer.AGGREGATE_ID_FIELD to "123e4567-e89b-12d3-a456-426614174000",
|
||||
JacksonEventSerializer.EVENT_ID_FIELD to "987fcdeb-51a2-43d1-9f12-123456789abc",
|
||||
JacksonEventSerializer.VERSION_FIELD to "42"
|
||||
)
|
||||
|
||||
val aggregateId = serializer.getAggregateId(testMap)
|
||||
val eventId = serializer.getEventId(testMap)
|
||||
val version = serializer.getVersion(testMap)
|
||||
|
||||
assertEquals(UUID.fromString("123e4567-e89b-12d3-a456-426614174000"), aggregateId)
|
||||
assertEquals(UUID.fromString("987fcdeb-51a2-43d1-9f12-123456789abc"), eventId)
|
||||
assertEquals(42L, version)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should throw exception for invalid UUID formats`() {
|
||||
val invalidUuidMap = mapOf(
|
||||
JacksonEventSerializer.AGGREGATE_ID_FIELD to "invalid-uuid-format",
|
||||
JacksonEventSerializer.EVENT_ID_FIELD to "also-invalid",
|
||||
JacksonEventSerializer.VERSION_FIELD to "42"
|
||||
)
|
||||
|
||||
assertThrows<IllegalArgumentException> {
|
||||
serializer.getAggregateId(invalidUuidMap)
|
||||
}
|
||||
|
||||
assertThrows<IllegalArgumentException> {
|
||||
serializer.getEventId(invalidUuidMap)
|
||||
}
|
||||
}
|
||||
|
||||
// Test event classes
|
||||
data class SimpleTestEvent(
|
||||
override val aggregateId: AggregateId,
|
||||
override val version: EventVersion,
|
||||
val name: String,
|
||||
override val eventType: EventType = EventType("SimpleTestEvent"),
|
||||
override val eventId: EventId = EventId(UUID.randomUUID()),
|
||||
override val timestamp: Instant = Clock.System.now(),
|
||||
override val correlationId: CorrelationId? = null,
|
||||
override val causationId: CausationId? = null
|
||||
) : BaseDomainEvent(aggregateId, eventType, version, eventId, timestamp, correlationId, causationId)
|
||||
|
||||
data class ComplexTestEvent(
|
||||
override val aggregateId: AggregateId,
|
||||
override val version: EventVersion,
|
||||
val complexData: ComplexData,
|
||||
override val eventType: EventType = EventType("ComplexTestEvent"),
|
||||
override val eventId: EventId = EventId(UUID.randomUUID()),
|
||||
override val timestamp: Instant = Clock.System.now(),
|
||||
override val correlationId: CorrelationId? = null,
|
||||
override val causationId: CausationId? = null
|
||||
) : BaseDomainEvent(aggregateId, eventType, version, eventId, timestamp, correlationId, causationId)
|
||||
|
||||
data class UnregisteredTestEvent(
|
||||
override val aggregateId: AggregateId,
|
||||
override val version: EventVersion,
|
||||
val data: String,
|
||||
override val eventType: EventType = EventType("UnregisteredTestEvent"),
|
||||
override val eventId: EventId = EventId(UUID.randomUUID()),
|
||||
override val timestamp: Instant = Clock.System.now(),
|
||||
override val correlationId: CorrelationId? = null,
|
||||
override val causationId: CausationId? = null
|
||||
) : BaseDomainEvent(aggregateId, eventType, version, eventId, timestamp, correlationId, causationId)
|
||||
|
||||
@Serializable
|
||||
data class ComplexData(
|
||||
val id: Int,
|
||||
val name: String,
|
||||
val values: List<String>,
|
||||
val metadata: Map<String, String>
|
||||
)
|
||||
}
|
||||
+429
@@ -0,0 +1,429 @@
|
||||
package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.core.domain.event.BaseDomainEvent
|
||||
import at.mocode.core.domain.event.DomainEvent
|
||||
import at.mocode.core.domain.model.AggregateId
|
||||
import at.mocode.core.domain.model.EventType
|
||||
import at.mocode.core.domain.model.EventVersion
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import kotlinx.serialization.Serializable
|
||||
import kotlinx.serialization.Transient
|
||||
import org.junit.jupiter.api.AfterEach
|
||||
import org.junit.jupiter.api.Assertions.assertEquals
|
||||
import org.junit.jupiter.api.Assertions.assertTrue
|
||||
import org.junit.jupiter.api.BeforeEach
|
||||
import org.junit.jupiter.api.Test
|
||||
import org.slf4j.LoggerFactory
|
||||
import org.springframework.data.redis.connection.RedisStandaloneConfiguration
|
||||
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory
|
||||
import org.springframework.data.redis.core.StringRedisTemplate
|
||||
import org.testcontainers.containers.GenericContainer
|
||||
import org.testcontainers.junit.jupiter.Container
|
||||
import org.testcontainers.junit.jupiter.Testcontainers
|
||||
import org.testcontainers.utility.DockerImageName
|
||||
import java.util.*
|
||||
import java.util.concurrent.*
|
||||
import java.util.concurrent.atomic.AtomicInteger
|
||||
|
||||
/**
|
||||
* Consumer Resilience Tests - Important for Event-Processing reliability.
|
||||
*/
|
||||
@Testcontainers
|
||||
class RedisEventConsumerResilienceTest {
|
||||
|
||||
private val logger = LoggerFactory.getLogger(RedisEventConsumerResilienceTest::class.java)
|
||||
|
||||
companion object {
|
||||
@Container
|
||||
val redisContainer: GenericContainer<*> = GenericContainer(DockerImageName.parse("redis:7-alpine"))
|
||||
.withExposedPorts(6379)
|
||||
}
|
||||
|
||||
private lateinit var redisTemplate: StringRedisTemplate
|
||||
private lateinit var serializer: EventSerializer
|
||||
private lateinit var properties: RedisEventStoreProperties
|
||||
private lateinit var eventStore: RedisEventStore
|
||||
private lateinit var consumer1: RedisEventConsumer
|
||||
private lateinit var consumer2: RedisEventConsumer
|
||||
|
||||
@BeforeEach
|
||||
fun setUp() {
|
||||
val redisPort = redisContainer.getMappedPort(6379)
|
||||
val redisHost = redisContainer.host
|
||||
|
||||
val redisConfig = RedisStandaloneConfiguration(redisHost, redisPort)
|
||||
val connectionFactory = LettuceConnectionFactory(redisConfig)
|
||||
connectionFactory.afterPropertiesSet()
|
||||
|
||||
redisTemplate = StringRedisTemplate(connectionFactory)
|
||||
|
||||
serializer = JacksonEventSerializer().apply {
|
||||
registerEventType(ResilienceTestEvent::class.java, "ResilienceTestEvent")
|
||||
registerEventType(SlowTestEvent::class.java, "SlowTestEvent")
|
||||
registerEventType(FailingTestEvent::class.java, "FailingTestEvent")
|
||||
}
|
||||
|
||||
properties = RedisEventStoreProperties().apply {
|
||||
streamPrefix = "test-stream:"
|
||||
allEventsStream = "all-events"
|
||||
consumerGroup = "resilience-test-group"
|
||||
consumerName = "resilience-consumer-1"
|
||||
claimIdleTimeout = java.time.Duration.ofMillis(100) // Short timeout for testing
|
||||
pollTimeout = java.time.Duration.ofMillis(50)
|
||||
maxBatchSize = 10
|
||||
}
|
||||
|
||||
eventStore = RedisEventStore(redisTemplate, serializer, properties)
|
||||
consumer1 = RedisEventConsumer(redisTemplate, serializer, properties)
|
||||
|
||||
// Create second consumer with different name for testing multiple consumers
|
||||
val properties2 = RedisEventStoreProperties().apply {
|
||||
streamPrefix = properties.streamPrefix
|
||||
allEventsStream = properties.allEventsStream
|
||||
consumerGroup = properties.consumerGroup
|
||||
consumerName = "resilience-consumer-2"
|
||||
claimIdleTimeout = properties.claimIdleTimeout
|
||||
pollTimeout = properties.pollTimeout
|
||||
maxBatchSize = properties.maxBatchSize
|
||||
}
|
||||
consumer2 = RedisEventConsumer(redisTemplate, serializer, properties2)
|
||||
|
||||
cleanupRedis()
|
||||
}
|
||||
|
||||
@AfterEach
|
||||
fun tearDown() {
|
||||
try {
|
||||
consumer1.shutdown()
|
||||
consumer2.shutdown()
|
||||
} catch (_: Exception) {
|
||||
// Ignore shutdown errors in tests
|
||||
}
|
||||
cleanupRedis()
|
||||
}
|
||||
|
||||
private fun cleanupRedis() {
|
||||
val keys = redisTemplate.keys("${properties.streamPrefix}*")
|
||||
if (!keys.isNullOrEmpty()) {
|
||||
redisTemplate.delete(keys)
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle multiple consumers processing events without conflicts`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val latch = CountDownLatch(2)
|
||||
val processedEvents = CopyOnWriteArrayList<DomainEvent>()
|
||||
|
||||
// Both consumers will process events
|
||||
consumer1.registerEventHandler("ResilienceTestEvent") { event ->
|
||||
processedEvents.add(event)
|
||||
logger.debug("Consumer1 processed: {}", (event as ResilienceTestEvent).data)
|
||||
latch.countDown()
|
||||
}
|
||||
|
||||
consumer2.registerEventHandler("ResilienceTestEvent") { event ->
|
||||
processedEvents.add(event)
|
||||
logger.debug("Consumer2 processed: {}", (event as ResilienceTestEvent).data)
|
||||
latch.countDown()
|
||||
}
|
||||
|
||||
// Initialize both consumers
|
||||
consumer1.init()
|
||||
consumer2.init()
|
||||
|
||||
// Publish test events
|
||||
val event1 = ResilienceTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
data = "Multi consumer event 1"
|
||||
)
|
||||
val event2 = ResilienceTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(2L),
|
||||
data = "Multi consumer event 2"
|
||||
)
|
||||
|
||||
eventStore.appendToStream(listOf(event1, event2), aggregateId, 0)
|
||||
|
||||
// Let both consumers poll
|
||||
consumer1.pollEvents()
|
||||
consumer2.pollEvents()
|
||||
|
||||
// Wait for processing
|
||||
assertTrue(latch.await(5, TimeUnit.SECONDS), "Events were not processed within timeout")
|
||||
|
||||
// Verify that events were processed (by either consumer due to consumer groups)
|
||||
assertTrue(processedEvents.size >= 2, "Expected at least 2 processed events, got ${processedEvents.size}")
|
||||
|
||||
println("[DEBUG_LOG] Processed ${processedEvents.size} events total")
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle consumer group creation and recovery`() {
|
||||
// Test that a consumer group is created automatically during init()
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val latch = CountDownLatch(1)
|
||||
val receivedEvents = CopyOnWriteArrayList<DomainEvent>()
|
||||
|
||||
// Register handler before init
|
||||
consumer1.registerEventHandler("ResilienceTestEvent") { receivedEvent ->
|
||||
receivedEvents.add(receivedEvent)
|
||||
latch.countDown()
|
||||
}
|
||||
|
||||
// Init should create consumer groups automatically
|
||||
consumer1.init()
|
||||
|
||||
// Add an event after initialization
|
||||
val event = ResilienceTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
data = "Group creation test"
|
||||
)
|
||||
eventStore.appendToStream(event, aggregateId, 0)
|
||||
|
||||
// Consumer should be able to process events from the automatically created group
|
||||
consumer1.pollEvents()
|
||||
|
||||
assertTrue(latch.await(3, TimeUnit.SECONDS), "Event was not processed")
|
||||
assertEquals(1, receivedEvents.size)
|
||||
assertEquals("Group creation test", (receivedEvents[0] as ResilienceTestEvent).data)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should process events exactly once in consumer group`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val numberOfEvents = 10
|
||||
val processedEvents = ConcurrentHashMap<String, AtomicInteger>()
|
||||
val latch = CountDownLatch(numberOfEvents)
|
||||
|
||||
// Register the same handler on both consumers
|
||||
val handler = { event: DomainEvent ->
|
||||
val testEvent = event as ResilienceTestEvent
|
||||
processedEvents.computeIfAbsent(testEvent.data) { AtomicInteger(0) }.incrementAndGet()
|
||||
logger.debug("Processed: {}", testEvent.data)
|
||||
latch.countDown()
|
||||
}
|
||||
|
||||
consumer1.registerEventHandler("ResilienceTestEvent", handler)
|
||||
consumer2.registerEventHandler("ResilienceTestEvent", handler)
|
||||
|
||||
// Initialize both consumers
|
||||
consumer1.init()
|
||||
consumer2.init()
|
||||
|
||||
// Create and append events
|
||||
val events = (1..numberOfEvents).map { i ->
|
||||
ResilienceTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(i.toLong()),
|
||||
data = "Exactly-once event $i"
|
||||
)
|
||||
}
|
||||
|
||||
eventStore.appendToStream(events, aggregateId, 0)
|
||||
|
||||
// Start polling from both consumers simultaneously
|
||||
val executor = Executors.newFixedThreadPool(2)
|
||||
|
||||
executor.submit {
|
||||
repeat(5) {
|
||||
consumer1.pollEvents()
|
||||
Thread.sleep(50)
|
||||
}
|
||||
}
|
||||
|
||||
executor.submit {
|
||||
repeat(5) {
|
||||
consumer2.pollEvents()
|
||||
Thread.sleep(50)
|
||||
}
|
||||
}
|
||||
|
||||
// Wait for all events to be processed
|
||||
assertTrue(latch.await(10, TimeUnit.SECONDS), "Not all events were processed in time")
|
||||
executor.shutdown()
|
||||
|
||||
// Verify each event was processed exactly once across both consumers
|
||||
assertEquals(numberOfEvents, processedEvents.size)
|
||||
processedEvents.forEach { (eventData, count) ->
|
||||
assertEquals(1, count.get(), "Event '$eventData' was processed ${count.get()} times instead of exactly once")
|
||||
}
|
||||
|
||||
logger.debug("All {} events processed exactly once", numberOfEvents)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle slow event handlers gracefully`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val processedEvents = CopyOnWriteArrayList<String>()
|
||||
val latch = CountDownLatch(3)
|
||||
|
||||
// Register a slow handler
|
||||
consumer1.registerEventHandler("SlowTestEvent") { event ->
|
||||
val slowEvent = event as SlowTestEvent
|
||||
processedEvents.add("Started: ${slowEvent.data}")
|
||||
Thread.sleep(slowEvent.processingTimeMs) // Simulate slow processing
|
||||
processedEvents.add("Completed: ${slowEvent.data}")
|
||||
latch.countDown()
|
||||
}
|
||||
|
||||
consumer1.init()
|
||||
|
||||
// Create events with different processing times
|
||||
val events = listOf(
|
||||
SlowTestEvent(AggregateId(aggregateId), EventVersion(1L), "Fast event", 10),
|
||||
SlowTestEvent(AggregateId(aggregateId), EventVersion(2L), "Medium event", 100),
|
||||
SlowTestEvent(AggregateId(aggregateId), EventVersion(3L), "Slow event", 200)
|
||||
)
|
||||
|
||||
eventStore.appendToStream(events, aggregateId, 0)
|
||||
|
||||
// Start processing
|
||||
val startTime = System.currentTimeMillis()
|
||||
consumer1.pollEvents()
|
||||
|
||||
// Wait for processing to complete
|
||||
assertTrue(latch.await(5, TimeUnit.SECONDS), "Slow events were not processed within timeout")
|
||||
val totalTime = System.currentTimeMillis() - startTime
|
||||
|
||||
// Verify all events were processed
|
||||
assertEquals(6, processedEvents.size) // 3 started + 3 completed
|
||||
assertTrue(processedEvents.contains("Started: Fast event"))
|
||||
assertTrue(processedEvents.contains("Completed: Fast event"))
|
||||
assertTrue(processedEvents.contains("Started: Medium event"))
|
||||
assertTrue(processedEvents.contains("Completed: Medium event"))
|
||||
assertTrue(processedEvents.contains("Started: Slow event"))
|
||||
assertTrue(processedEvents.contains("Completed: Slow event"))
|
||||
|
||||
logger.debug("Processed {} slow events in {}ms", events.size, totalTime)
|
||||
processedEvents.forEach { logger.debug("Event: {}", it) }
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle consumer restart correctly`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val firstPhaseEvents = mutableListOf<DomainEvent>()
|
||||
val secondPhaseEvents = mutableListOf<DomainEvent>()
|
||||
|
||||
// First processing session
|
||||
val firstLatch = CountDownLatch(1)
|
||||
consumer1.registerEventHandler("ResilienceTestEvent") { event ->
|
||||
firstPhaseEvents.add(event)
|
||||
firstLatch.countDown()
|
||||
}
|
||||
|
||||
consumer1.init()
|
||||
|
||||
// Add and process the first event
|
||||
val event1 = ResilienceTestEvent(AggregateId(aggregateId), EventVersion(1L), "Before restart")
|
||||
eventStore.appendToStream(event1, aggregateId, 0)
|
||||
|
||||
consumer1.pollEvents()
|
||||
assertTrue(firstLatch.await(3, TimeUnit.SECONDS), "First event not processed")
|
||||
|
||||
// Verify the first phase
|
||||
assertEquals(1, firstPhaseEvents.size)
|
||||
assertEquals("Before restart", (firstPhaseEvents[0] as ResilienceTestEvent).data)
|
||||
|
||||
// Simulate shutdown and restart - create new consumer to ensure a clean state
|
||||
consumer1.shutdown()
|
||||
|
||||
// Create a fresh consumer instance for restart simulation
|
||||
val restartedConsumer = RedisEventConsumer(redisTemplate, serializer, properties)
|
||||
val secondLatch = CountDownLatch(1)
|
||||
restartedConsumer.registerEventHandler("ResilienceTestEvent") { event ->
|
||||
secondPhaseEvents.add(event)
|
||||
secondLatch.countDown()
|
||||
}
|
||||
|
||||
restartedConsumer.init()
|
||||
|
||||
// Add and process a second event after restart
|
||||
val event2 = ResilienceTestEvent(AggregateId(aggregateId), EventVersion(2L), "After restart")
|
||||
eventStore.appendToStream(event2, aggregateId, 1)
|
||||
|
||||
restartedConsumer.pollEvents()
|
||||
assertTrue(secondLatch.await(3, TimeUnit.SECONDS), "Second event not processed after restart")
|
||||
|
||||
// Verify the second phase
|
||||
assertEquals(1, secondPhaseEvents.size)
|
||||
assertEquals("After restart", (secondPhaseEvents[0] as ResilienceTestEvent).data)
|
||||
|
||||
// Cleanup
|
||||
restartedConsumer.shutdown()
|
||||
|
||||
logger.debug("Successfully handled consumer restart")
|
||||
logger.debug("First phase events: {}", firstPhaseEvents.map { (it as ResilienceTestEvent).data })
|
||||
logger.debug("Second phase events: {}", secondPhaseEvents.map { (it as ResilienceTestEvent).data })
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle event handler exceptions gracefully without stopping processing`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val processedEvents = CopyOnWriteArrayList<String>()
|
||||
val latch = CountDownLatch(3) // Expecting 3 events to be processed (2 success + 1 failure)
|
||||
|
||||
// Register a handler that fails on specific events
|
||||
consumer1.registerEventHandler("FailingTestEvent") { event ->
|
||||
val failingEvent = event as FailingTestEvent
|
||||
if (failingEvent.shouldFail) {
|
||||
processedEvents.add("Failed: ${failingEvent.data}")
|
||||
latch.countDown()
|
||||
throw RuntimeException("Simulated handler failure for: ${failingEvent.data}")
|
||||
} else {
|
||||
processedEvents.add("Success: ${failingEvent.data}")
|
||||
latch.countDown()
|
||||
}
|
||||
}
|
||||
|
||||
consumer1.init()
|
||||
|
||||
// Create events - some that will fail, some that will succeed
|
||||
val events = listOf(
|
||||
FailingTestEvent(AggregateId(aggregateId), EventVersion(1L), "Event 1", false),
|
||||
FailingTestEvent(AggregateId(aggregateId), EventVersion(2L), "Event 2", true), // Will fail
|
||||
FailingTestEvent(AggregateId(aggregateId), EventVersion(3L), "Event 3", false)
|
||||
)
|
||||
|
||||
eventStore.appendToStream(events, aggregateId, 0)
|
||||
consumer1.pollEvents()
|
||||
|
||||
// Wait for processing
|
||||
assertTrue(latch.await(5, TimeUnit.SECONDS), "Events were not processed within timeout")
|
||||
|
||||
// Verify that both successful and failed events were attempted
|
||||
assertEquals(3, processedEvents.size)
|
||||
assertTrue(processedEvents.contains("Success: Event 1"))
|
||||
assertTrue(processedEvents.contains("Failed: Event 2"))
|
||||
assertTrue(processedEvents.contains("Success: Event 3"))
|
||||
|
||||
logger.debug("Handler exceptions handled gracefully:")
|
||||
processedEvents.forEach { logger.debug("Event result: {}", it) }
|
||||
}
|
||||
|
||||
// Test event classes
|
||||
@Serializable
|
||||
data class ResilienceTestEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val data: String
|
||||
) : BaseDomainEvent(aggregateId, EventType("ResilienceTestEvent"), version)
|
||||
|
||||
@Serializable
|
||||
data class SlowTestEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val data: String,
|
||||
val processingTimeMs: Long
|
||||
) : BaseDomainEvent(aggregateId, EventType("SlowTestEvent"), version)
|
||||
|
||||
@Serializable
|
||||
data class FailingTestEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val data: String,
|
||||
val shouldFail: Boolean
|
||||
) : BaseDomainEvent(aggregateId, EventType("FailingTestEvent"), version)
|
||||
}
|
||||
+385
@@ -0,0 +1,385 @@
|
||||
package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import at.mocode.infrastructure.eventstore.api.EventStore
|
||||
import org.junit.jupiter.api.Assertions.*
|
||||
import org.junit.jupiter.api.DisplayName
|
||||
import org.junit.jupiter.api.Test
|
||||
import org.slf4j.LoggerFactory
|
||||
import org.springframework.boot.autoconfigure.AutoConfigurations
|
||||
import org.springframework.boot.context.properties.EnableConfigurationProperties
|
||||
import org.springframework.boot.test.context.runner.ApplicationContextRunner
|
||||
import org.springframework.context.annotation.Configuration
|
||||
import org.springframework.data.redis.connection.RedisConnectionFactory
|
||||
import org.springframework.data.redis.core.StringRedisTemplate
|
||||
import java.time.Duration
|
||||
|
||||
/**
|
||||
* Comprehensive test suite for RedisEventStoreConfiguration.
|
||||
*
|
||||
* Tests all aspects of Spring Boot autoconfiguration including:
|
||||
* - Configuration properties binding
|
||||
* - Bean creation and dependency injection
|
||||
* - Default value handling
|
||||
* - Property conversion and validation
|
||||
* - Conditional bean creation
|
||||
*/
|
||||
@DisplayName("RedisEventStoreConfiguration Tests")
|
||||
class RedisEventStoreConfigurationTest {
|
||||
|
||||
private val logger = LoggerFactory.getLogger(RedisEventStoreConfigurationTest::class.java)
|
||||
|
||||
@Configuration
|
||||
@EnableConfigurationProperties(RedisEventStoreProperties::class)
|
||||
class TestConfiguration
|
||||
|
||||
private val contextRunner = ApplicationContextRunner()
|
||||
.withConfiguration(AutoConfigurations.of(
|
||||
org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration::class.java,
|
||||
org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration::class.java,
|
||||
RedisEventStoreConfiguration::class.java
|
||||
))
|
||||
.withUserConfiguration(TestConfiguration::class.java)
|
||||
|
||||
@Test
|
||||
@DisplayName("Should create all beans with custom configuration properties")
|
||||
fun `should create beans with custom configuration properties`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.host=custom-redis-host",
|
||||
"redis.event-store.port=6380",
|
||||
"redis.event-store.consumer-group=custom-group",
|
||||
"redis.event-store.max-batch-size=50"
|
||||
)
|
||||
.run { context ->
|
||||
// Verify properties are correctly bound
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
assertEquals("custom-redis-host", properties.host)
|
||||
assertEquals(6380, properties.port)
|
||||
assertEquals("custom-group", properties.consumerGroup)
|
||||
assertEquals(50, properties.maxBatchSize)
|
||||
|
||||
// Verify all beans are created
|
||||
assertTrue(context.containsBean("eventStoreRedisConnectionFactory"))
|
||||
assertTrue(context.containsBean("eventStoreRedisTemplate"))
|
||||
assertTrue(context.containsBean("eventSerializer"))
|
||||
assertTrue(context.containsBean("eventStore"))
|
||||
assertTrue(context.containsBean("eventConsumer"))
|
||||
|
||||
// Verify bean types
|
||||
assertNotNull(context.getBean("eventStoreRedisConnectionFactory", RedisConnectionFactory::class.java))
|
||||
assertNotNull(context.getBean("eventStoreRedisTemplate", StringRedisTemplate::class.java))
|
||||
assertNotNull(context.getBean("eventSerializer", EventSerializer::class.java))
|
||||
assertNotNull(context.getBean("eventStore", EventStore::class.java))
|
||||
assertNotNull(context.getBean("eventConsumer", RedisEventConsumer::class.java))
|
||||
|
||||
logger.debug("Custom configuration test passed - all beans created with custom properties")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@DisplayName("Should fallback to default configuration when properties are missing")
|
||||
fun `should fallback to default configuration when properties missing`() {
|
||||
contextRunner
|
||||
.run { context ->
|
||||
// Verify properties use defaults
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
assertEquals("localhost", properties.host)
|
||||
assertEquals(6379, properties.port)
|
||||
assertNull(properties.password)
|
||||
assertEquals(0, properties.database)
|
||||
assertEquals(2000L, properties.connectionTimeout)
|
||||
assertEquals(2000L, properties.readTimeout)
|
||||
assertTrue(properties.usePooling)
|
||||
assertEquals(8, properties.maxPoolSize)
|
||||
assertEquals(2, properties.minPoolSize)
|
||||
assertEquals("event-processors", properties.consumerGroup)
|
||||
assertEquals("event-consumer", properties.consumerName)
|
||||
assertEquals("event-stream:", properties.streamPrefix)
|
||||
assertEquals("all-events", properties.allEventsStream)
|
||||
assertEquals(Duration.ofMinutes(1), properties.claimIdleTimeout)
|
||||
assertEquals(Duration.ofMillis(100), properties.pollTimeout)
|
||||
assertEquals(100, properties.maxBatchSize)
|
||||
assertTrue(properties.createConsumerGroupIfNotExists)
|
||||
|
||||
// Verify all required beans are still created by defaults
|
||||
assertTrue(context.containsBean("eventStoreRedisConnectionFactory"))
|
||||
assertTrue(context.containsBean("eventStoreRedisTemplate"))
|
||||
assertTrue(context.containsBean("eventSerializer"))
|
||||
assertTrue(context.containsBean("eventStore"))
|
||||
assertTrue(context.containsBean("eventConsumer"))
|
||||
|
||||
logger.debug("Default configuration test passed - all beans created with default values")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@DisplayName("Should handle partial configuration correctly with mixed custom and default properties")
|
||||
fun `should handle partial configuration correctly`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.host=partial-host",
|
||||
"redis.event-store.consumer-group=partial-group"
|
||||
// Other properties should use defaults
|
||||
)
|
||||
.run { context ->
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
|
||||
// Verify custom properties are set
|
||||
assertEquals("partial-host", properties.host)
|
||||
assertEquals("partial-group", properties.consumerGroup)
|
||||
|
||||
// Verify defaults are used for unspecified properties
|
||||
assertEquals(6379, properties.port) // Default
|
||||
assertEquals("event-consumer", properties.consumerName) // Default
|
||||
assertEquals("event-stream:", properties.streamPrefix) // Default
|
||||
|
||||
// All beans should still be created
|
||||
assertTrue(context.containsBean("eventStoreRedisConnectionFactory"))
|
||||
assertTrue(context.containsBean("eventStore"))
|
||||
assertTrue(context.containsBean("eventConsumer"))
|
||||
|
||||
logger.debug("Partial configuration test passed - mixed custom/default properties work")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@DisplayName("Should handle Redis connection factory creation correctly")
|
||||
fun `should handle Redis connection factory creation correctly`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.host=test-host",
|
||||
"redis.event-store.port=6380",
|
||||
"redis.event-store.password=test-password",
|
||||
"redis.event-store.database=1"
|
||||
)
|
||||
.run { context ->
|
||||
val connectionFactory = context.getBean("eventStoreRedisConnectionFactory", RedisConnectionFactory::class.java)
|
||||
assertNotNull(connectionFactory)
|
||||
|
||||
// Verify the connection factory is properly configured
|
||||
// Note: We can't easily test the internal configuration without making actual connections,
|
||||
// but we can verify the bean is created and is the right type
|
||||
assertTrue(connectionFactory::class.java.name.contains("LettuceConnectionFactory"))
|
||||
|
||||
logger.debug("Redis connection factory creation test passed")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle Redis template creation correctly`() {
|
||||
contextRunner
|
||||
.run { context ->
|
||||
val redisTemplate = context.getBean("eventStoreRedisTemplate", StringRedisTemplate::class.java)
|
||||
assertNotNull(redisTemplate)
|
||||
|
||||
// Verify the template is properly set up
|
||||
assertNotNull(redisTemplate.connectionFactory)
|
||||
|
||||
logger.debug("Redis template creation test passed")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should create EventSerializer with correct type`() {
|
||||
contextRunner
|
||||
.run { context ->
|
||||
val eventSerializer = context.getBean("eventSerializer", EventSerializer::class.java)
|
||||
assertNotNull(eventSerializer)
|
||||
|
||||
// Verify it's the Jackson implementation
|
||||
assertTrue(eventSerializer is JacksonEventSerializer)
|
||||
|
||||
logger.debug("EventSerializer creation test passed - JacksonEventSerializer created")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should create EventStore with correct dependencies`() {
|
||||
contextRunner
|
||||
.run { context ->
|
||||
val eventStore = context.getBean("eventStore", EventStore::class.java)
|
||||
assertNotNull(eventStore)
|
||||
|
||||
// Verify it's the Redis implementation
|
||||
assertTrue(eventStore is RedisEventStore)
|
||||
|
||||
// Verify dependencies are wired correctly
|
||||
val redisTemplate = context.getBean("eventStoreRedisTemplate", StringRedisTemplate::class.java)
|
||||
val eventSerializer = context.getBean("eventSerializer", EventSerializer::class.java)
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
|
||||
assertNotNull(redisTemplate)
|
||||
assertNotNull(eventSerializer)
|
||||
assertNotNull(properties)
|
||||
|
||||
logger.debug("EventStore creation test passed - RedisEventStore created with dependencies")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should create EventConsumer with correct dependencies`() {
|
||||
contextRunner
|
||||
.run { context ->
|
||||
val eventConsumer = context.getBean("eventConsumer", RedisEventConsumer::class.java)
|
||||
assertNotNull(eventConsumer)
|
||||
|
||||
// Verify dependencies are available
|
||||
val redisTemplate = context.getBean("eventStoreRedisTemplate", StringRedisTemplate::class.java)
|
||||
val eventSerializer = context.getBean("eventSerializer", EventSerializer::class.java)
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
|
||||
assertNotNull(redisTemplate)
|
||||
assertNotNull(eventSerializer)
|
||||
assertNotNull(properties)
|
||||
|
||||
logger.debug("EventConsumer creation test passed - RedisEventConsumer created with dependencies")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle boolean and numeric property conversion correctly`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.use-pooling=false",
|
||||
"redis.event-store.max-pool-size=16",
|
||||
"redis.event-store.min-pool-size=4",
|
||||
"redis.event-store.max-batch-size=25",
|
||||
"redis.event-store.create-consumer-group-if-not-exists=false"
|
||||
)
|
||||
.run { context ->
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
|
||||
// Verify boolean properties
|
||||
assertFalse(properties.usePooling)
|
||||
assertFalse(properties.createConsumerGroupIfNotExists)
|
||||
|
||||
// Verify numeric properties
|
||||
assertEquals(16, properties.maxPoolSize)
|
||||
assertEquals(4, properties.minPoolSize)
|
||||
assertEquals(25, properties.maxBatchSize)
|
||||
|
||||
logger.debug("Property type conversion test passed - boolean and numeric values handled correctly")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle Duration property conversion correctly`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.claim-idle-timeout=5m", // 5 minutes
|
||||
"redis.event-store.poll-timeout=500ms" // 500 milliseconds
|
||||
)
|
||||
.run { context ->
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
|
||||
// Verify Duration properties
|
||||
assertEquals(Duration.ofMinutes(5), properties.claimIdleTimeout)
|
||||
assertEquals(Duration.ofMillis(500), properties.pollTimeout)
|
||||
|
||||
logger.debug("Duration property conversion test passed")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle ConditionalOnMissingBean annotations correctly`() {
|
||||
contextRunner
|
||||
.withBean("eventSerializer", EventSerializer::class.java, { JacksonEventSerializer() })
|
||||
.run { context ->
|
||||
// Should use the manually provided bean instead of creating a new one
|
||||
val eventSerializer = context.getBean("eventSerializer", EventSerializer::class.java)
|
||||
assertNotNull(eventSerializer)
|
||||
|
||||
// Should still create other beans
|
||||
assertTrue(context.containsBean("eventStore"))
|
||||
assertTrue(context.containsBean("eventConsumer"))
|
||||
|
||||
logger.debug("ConditionalOnMissingBean test passed - manual bean used, others created")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@DisplayName("Should handle boundary property values correctly")
|
||||
fun `should handle boundary property values correctly`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.port=65535", // Maximum valid port
|
||||
"redis.event-store.max-batch-size=1", // Minimum valid batch size
|
||||
"redis.event-store.connection-timeout=1", // Minimum valid timeout
|
||||
"redis.event-store.database=15" // High database number
|
||||
)
|
||||
.run { context ->
|
||||
// Context should start with boundary values
|
||||
assertTrue(context.isRunning)
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
|
||||
// Verify boundary values are accepted
|
||||
assertEquals(65535, properties.port)
|
||||
assertEquals(1, properties.maxBatchSize)
|
||||
assertEquals(1L, properties.connectionTimeout)
|
||||
assertEquals(15, properties.database)
|
||||
|
||||
logger.debug("[DEBUG_LOG] Boundary property values test passed")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@DisplayName("Should handle complex Duration configurations correctly")
|
||||
fun `should handle complex Duration configurations correctly`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.claim-idle-timeout=PT30S", // 30 seconds
|
||||
"redis.event-store.poll-timeout=PT1.5S" // 1.5 seconds
|
||||
)
|
||||
.run { context ->
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
|
||||
// Verify complex Duration parsing
|
||||
assertEquals(Duration.ofSeconds(30), properties.claimIdleTimeout)
|
||||
assertEquals(Duration.ofMillis(1500), properties.pollTimeout)
|
||||
|
||||
// Verify all beans are still created with complex durations
|
||||
assertTrue(context.containsBean("eventStore"))
|
||||
assertTrue(context.containsBean("eventConsumer"))
|
||||
|
||||
logger.debug("[DEBUG_LOG] Complex Duration configuration test passed")
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
@DisplayName("Should handle special property combinations")
|
||||
fun `should handle special property combinations`() {
|
||||
contextRunner
|
||||
.withPropertyValues(
|
||||
"redis.event-store.host=redis.example.com", // External host
|
||||
"redis.event-store.password=", // Empty password (no auth)
|
||||
"redis.event-store.stream-prefix=custom:", // Custom prefix
|
||||
"redis.event-store.use-pooling=false", // Disable pooling
|
||||
"redis.event-store.create-consumer-group-if-not-exists=false" // Manual group management
|
||||
)
|
||||
.run { context ->
|
||||
val properties = context.getBean(RedisEventStoreProperties::class.java)
|
||||
assertNotNull(properties)
|
||||
|
||||
// Verify special configuration combinations
|
||||
assertEquals("redis.example.com", properties.host)
|
||||
assertEquals("", properties.password)
|
||||
assertEquals("custom:", properties.streamPrefix)
|
||||
assertFalse(properties.usePooling)
|
||||
assertFalse(properties.createConsumerGroupIfNotExists)
|
||||
|
||||
// Beans should still be created with special combinations
|
||||
assertTrue(context.containsBean("eventStoreRedisConnectionFactory"))
|
||||
assertTrue(context.containsBean("eventStore"))
|
||||
|
||||
logger.debug("[DEBUG_LOG] Special property combinations test passed")
|
||||
}
|
||||
}
|
||||
}
|
||||
+356
@@ -0,0 +1,356 @@
|
||||
package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.core.domain.event.BaseDomainEvent
|
||||
import at.mocode.core.domain.model.AggregateId
|
||||
import at.mocode.core.domain.model.EventType
|
||||
import at.mocode.core.domain.model.EventVersion
|
||||
import at.mocode.infrastructure.eventstore.api.ConcurrencyException
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import kotlinx.serialization.Serializable
|
||||
import kotlinx.serialization.Transient
|
||||
import org.junit.jupiter.api.AfterEach
|
||||
import org.junit.jupiter.api.Assertions.*
|
||||
import org.junit.jupiter.api.BeforeEach
|
||||
import org.junit.jupiter.api.Test
|
||||
import org.junit.jupiter.api.assertThrows
|
||||
import org.springframework.data.redis.connection.RedisStandaloneConfiguration
|
||||
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory
|
||||
import org.springframework.data.redis.core.StringRedisTemplate
|
||||
import org.testcontainers.containers.GenericContainer
|
||||
import org.testcontainers.junit.jupiter.Container
|
||||
import org.testcontainers.junit.jupiter.Testcontainers
|
||||
import org.testcontainers.utility.DockerImageName
|
||||
import java.util.*
|
||||
import kotlin.time.Clock
|
||||
|
||||
/**
|
||||
* Simplified error handling tests for RedisEventStore using Testcontainers.
|
||||
* Tests real scenarios without complex mocking.
|
||||
*/
|
||||
@Testcontainers
|
||||
class RedisEventStoreErrorHandlingTest {
|
||||
|
||||
companion object {
|
||||
@Container
|
||||
val redisContainer: GenericContainer<*> = GenericContainer(DockerImageName.parse("redis:7-alpine"))
|
||||
.withExposedPorts(6379)
|
||||
}
|
||||
|
||||
private lateinit var redisTemplate: StringRedisTemplate
|
||||
private lateinit var serializer: EventSerializer
|
||||
private lateinit var properties: RedisEventStoreProperties
|
||||
private lateinit var eventStore: RedisEventStore
|
||||
|
||||
@BeforeEach
|
||||
fun setUp() {
|
||||
val redisPort = redisContainer.getMappedPort(6379)
|
||||
val redisHost = redisContainer.host
|
||||
|
||||
val redisConfig = RedisStandaloneConfiguration(redisHost, redisPort)
|
||||
val connectionFactory = LettuceConnectionFactory(redisConfig)
|
||||
connectionFactory.afterPropertiesSet()
|
||||
|
||||
redisTemplate = StringRedisTemplate(connectionFactory)
|
||||
|
||||
serializer = JacksonEventSerializer().apply {
|
||||
registerEventType(TestErrorEvent::class.java, "TestErrorEvent")
|
||||
registerEventType(LargePayloadEvent::class.java, "LargePayloadEvent")
|
||||
registerEventType(ComplexErrorEvent::class.java, "ComplexErrorEvent")
|
||||
}
|
||||
|
||||
properties = RedisEventStoreProperties().apply {
|
||||
streamPrefix = "test-stream:"
|
||||
allEventsStream = "all-events"
|
||||
}
|
||||
|
||||
eventStore = RedisEventStore(redisTemplate, serializer, properties)
|
||||
cleanupRedis()
|
||||
}
|
||||
|
||||
@AfterEach
|
||||
fun tearDown() = cleanupRedis()
|
||||
|
||||
private fun cleanupRedis() {
|
||||
val keys = redisTemplate.keys("${properties.streamPrefix}*")
|
||||
if (!keys.isNullOrEmpty()) {
|
||||
redisTemplate.delete(keys)
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle large event payloads correctly without memory issues`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
|
||||
// Create an event with a very large payload (1MB)
|
||||
val largeData = "X".repeat(1024 * 1024) // 1MB of data
|
||||
val largeMetadata = (1..1000).associate { "key$it" to "value$it".repeat(100) } // Additional large metadata
|
||||
|
||||
val largeEvent = LargePayloadEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
largeData = largeData,
|
||||
metadata = largeMetadata
|
||||
)
|
||||
|
||||
// Should handle serialization and storage of large payloads without exception
|
||||
assertDoesNotThrow {
|
||||
val version = eventStore.appendToStream(largeEvent, aggregateId, 0)
|
||||
assertEquals(1L, version)
|
||||
}
|
||||
|
||||
// Should be able to read back the large event correctly
|
||||
val retrievedEvents = eventStore.readFromStream(aggregateId)
|
||||
assertEquals(1, retrievedEvents.size)
|
||||
|
||||
val retrievedEvent = retrievedEvents[0] as LargePayloadEvent
|
||||
assertEquals(largeData, retrievedEvent.largeData)
|
||||
assertEquals(largeMetadata, retrievedEvent.metadata)
|
||||
assertEquals(EventVersion(1L), retrievedEvent.version)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle multiple large events in sequence`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val numberOfLargeEvents = 10
|
||||
val sizePerEvent = 100 * 1024 // 100KB per event
|
||||
|
||||
// Create multiple large events
|
||||
val largeEvents = (1..numberOfLargeEvents).map { i ->
|
||||
LargePayloadEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(i.toLong()),
|
||||
largeData = "Event$i-".repeat(sizePerEvent / 10),
|
||||
metadata = mapOf("eventNumber" to "$i", "size" to "$sizePerEvent")
|
||||
)
|
||||
}
|
||||
|
||||
// Append all large events
|
||||
assertDoesNotThrow {
|
||||
eventStore.appendToStream(largeEvents, aggregateId, 0)
|
||||
}
|
||||
|
||||
// Verify all events can be retrieved
|
||||
val allEvents = eventStore.readFromStream(aggregateId)
|
||||
assertEquals(numberOfLargeEvents, allEvents.size)
|
||||
|
||||
// Verify each event's integrity
|
||||
allEvents.forEachIndexed { index, event ->
|
||||
val largeEvent = event as LargePayloadEvent
|
||||
assertEquals(EventVersion((index + 1).toLong()), largeEvent.version)
|
||||
assertTrue(largeEvent.largeData.startsWith("Event${index + 1}-"))
|
||||
assertEquals("${index + 1}", largeEvent.metadata["eventNumber"])
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle corrupted data gracefully during deserialization by skipping bad events`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val streamKey = "test-stream:$aggregateId"
|
||||
|
||||
// First, add a valid event
|
||||
val validEvent = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
data = "valid event"
|
||||
)
|
||||
eventStore.appendToStream(validEvent, aggregateId, 0)
|
||||
|
||||
// Manually corrupt data in Redis by adding malformed JSON
|
||||
val corruptedEventData = mapOf(
|
||||
"eventType" to "TestErrorEvent",
|
||||
"eventData" to "{\"corrupted\":\"json\",\"missing\":", // Invalid JSON - missing closing brace
|
||||
"aggregateId" to aggregateId.toString(),
|
||||
"version" to "2",
|
||||
"eventId" to UUID.randomUUID().toString(),
|
||||
"timestamp" to Clock.System.now().toString()
|
||||
)
|
||||
|
||||
// Directly add corrupted data to the Redis stream
|
||||
redisTemplate.opsForStream<String, String>().add(streamKey, corruptedEventData)
|
||||
|
||||
// Add another valid event after the corrupted one
|
||||
val validEvent2 = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(3L),
|
||||
data = "another valid event"
|
||||
)
|
||||
eventStore.appendToStream(validEvent2, aggregateId, 2)
|
||||
|
||||
// Reading should skip corrupted events and return only valid ones
|
||||
val events = eventStore.readFromStream(aggregateId)
|
||||
|
||||
// Should return only the valid events (corrupted event should be skipped)
|
||||
assertEquals(2, events.size)
|
||||
|
||||
val firstEvent = events[0] as TestErrorEvent
|
||||
assertEquals("valid event", firstEvent.data)
|
||||
assertEquals(EventVersion(1L), firstEvent.version)
|
||||
|
||||
val secondEvent = events[1] as TestErrorEvent
|
||||
assertEquals("another valid event", secondEvent.data)
|
||||
assertEquals(EventVersion(3L), secondEvent.version)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle unregistered event types gracefully during read operations`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val streamKey = "test-stream:$aggregateId"
|
||||
|
||||
// Add a valid registered event first
|
||||
val validEvent = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
data = "valid registered event"
|
||||
)
|
||||
eventStore.appendToStream(validEvent, aggregateId, 0)
|
||||
|
||||
// Manually add event data for an unregistered event type
|
||||
val unregisteredEventData = mapOf(
|
||||
"eventType" to "UnknownEventType", // Not registered in serializer
|
||||
"eventData" to """{"someField": "someValue", "aggregateId": {"value": "$aggregateId"}, "version": {"value": 2}}""",
|
||||
"aggregateId" to aggregateId.toString(),
|
||||
"version" to "2",
|
||||
"eventId" to UUID.randomUUID().toString(),
|
||||
"timestamp" to Clock.System.now().toString()
|
||||
)
|
||||
|
||||
redisTemplate.opsForStream<String, String>().add(streamKey, unregisteredEventData)
|
||||
|
||||
// Add another valid event
|
||||
val validEvent2 = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(3L),
|
||||
data = "final valid event"
|
||||
)
|
||||
eventStore.appendToStream(validEvent2, aggregateId, 2)
|
||||
|
||||
// Reading should skip unregistered events and return only valid ones
|
||||
val events = eventStore.readFromStream(aggregateId)
|
||||
|
||||
assertEquals(2, events.size)
|
||||
assertEquals("valid registered event", (events[0] as TestErrorEvent).data)
|
||||
assertEquals("final valid event", (events[1] as TestErrorEvent).data)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle concurrent version conflicts properly with retry logic`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
|
||||
// Create an initial event
|
||||
val event1 = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
data = "initial event"
|
||||
)
|
||||
eventStore.appendToStream(event1, aggregateId, 0)
|
||||
|
||||
// Try to append two events with the same expected version (simulating concurrent access)
|
||||
val event2 = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(2L),
|
||||
data = "concurrent event 1"
|
||||
)
|
||||
|
||||
val event3 = TestErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(2L), // Same version - will conflict
|
||||
data = "concurrent event 2"
|
||||
)
|
||||
|
||||
// First append should succeed
|
||||
val version2 = eventStore.appendToStream(event2, aggregateId, 1)
|
||||
assertEquals(2L, version2)
|
||||
|
||||
// Second append with the same expected version should fail
|
||||
assertThrows<ConcurrencyException> {
|
||||
eventStore.appendToStream(event3, aggregateId, 1) // Still expecting version 1
|
||||
}
|
||||
|
||||
// But should succeed with a correct expected version
|
||||
val correctedEvent3 = event3.copy(version = EventVersion(3L))
|
||||
val version3 = eventStore.appendToStream(correctedEvent3, aggregateId, 2)
|
||||
assertEquals(3L, version3)
|
||||
|
||||
// Verify all events are in the stream
|
||||
val allEvents = eventStore.readFromStream(aggregateId)
|
||||
assertEquals(3, allEvents.size)
|
||||
assertEquals(listOf(1L, 2L, 3L), allEvents.map { it.version.value })
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle complex nested object serialization correctly`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
|
||||
val complexEvent = ComplexErrorEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
nestedData = ComplexNestedData(
|
||||
id = 42,
|
||||
name = "Complex Test",
|
||||
subObjects = listOf(
|
||||
SubObject("sub1", 1, mapOf("key1" to "value1")),
|
||||
SubObject("sub2", 2, mapOf("key2" to "value2", "key3" to "value3"))
|
||||
),
|
||||
metadata = mapOf(
|
||||
"level1" to mapOf("level2" to mapOf("level3" to "deep value")),
|
||||
"array" to listOf("item1", "item2", "item3")
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
// Should handle complex serialization without issues
|
||||
assertDoesNotThrow {
|
||||
eventStore.appendToStream(complexEvent, aggregateId, 0)
|
||||
}
|
||||
|
||||
// Should deserialize a complex object correctly
|
||||
val retrievedEvents = eventStore.readFromStream(aggregateId)
|
||||
assertEquals(1, retrievedEvents.size)
|
||||
|
||||
val retrievedEvent = retrievedEvents[0] as ComplexErrorEvent
|
||||
assertEquals(42, retrievedEvent.nestedData.id)
|
||||
assertEquals("Complex Test", retrievedEvent.nestedData.name)
|
||||
assertEquals(2, retrievedEvent.nestedData.subObjects.size)
|
||||
assertEquals("sub1", retrievedEvent.nestedData.subObjects[0].name)
|
||||
assertEquals(2, retrievedEvent.nestedData.subObjects[1].value)
|
||||
assertTrue(retrievedEvent.nestedData.metadata.containsKey("level1"))
|
||||
}
|
||||
|
||||
// Test event classes
|
||||
@Serializable
|
||||
data class TestErrorEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val data: String
|
||||
) : BaseDomainEvent(aggregateId, EventType("TestErrorEvent"), version)
|
||||
|
||||
@Serializable
|
||||
data class LargePayloadEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val largeData: String,
|
||||
val metadata: Map<String, String>
|
||||
) : BaseDomainEvent(aggregateId, EventType("LargePayloadEvent"), version)
|
||||
|
||||
@Serializable
|
||||
data class ComplexErrorEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val nestedData: ComplexNestedData
|
||||
) : BaseDomainEvent(aggregateId, EventType("ComplexErrorEvent"), version)
|
||||
|
||||
@Serializable
|
||||
data class ComplexNestedData(
|
||||
val id: Int,
|
||||
val name: String,
|
||||
val subObjects: List<SubObject>,
|
||||
val metadata: Map<String, Any>
|
||||
)
|
||||
|
||||
@Serializable
|
||||
data class SubObject(
|
||||
val name: String,
|
||||
val value: Int,
|
||||
val properties: Map<String, String>
|
||||
)
|
||||
}
|
||||
+7
-8
@@ -5,10 +5,7 @@ import at.mocode.core.domain.event.DomainEvent
|
||||
import at.mocode.core.domain.model.*
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import at.mocode.infrastructure.eventstore.api.EventStore
|
||||
import com.benasher44.uuid.Uuid
|
||||
import com.benasher44.uuid.uuid4
|
||||
import kotlin.time.Clock
|
||||
import kotlin.time.Instant
|
||||
import org.junit.jupiter.api.AfterEach
|
||||
import org.junit.jupiter.api.Assertions.assertEquals
|
||||
import org.junit.jupiter.api.Assertions.assertTrue
|
||||
@@ -23,6 +20,8 @@ import org.testcontainers.junit.jupiter.Testcontainers
|
||||
import org.testcontainers.utility.DockerImageName
|
||||
import java.util.concurrent.CountDownLatch
|
||||
import java.util.concurrent.TimeUnit
|
||||
import kotlin.time.Clock
|
||||
import kotlin.time.Instant
|
||||
|
||||
@Testcontainers
|
||||
class RedisEventStoreIntegrationTest {
|
||||
@@ -55,12 +54,12 @@ class RedisEventStoreIntegrationTest {
|
||||
registerEventType(TestUpdatedEvent::class.java, "TestUpdated")
|
||||
}
|
||||
|
||||
properties = RedisEventStoreProperties(
|
||||
streamPrefix = "test-stream:",
|
||||
allEventsStream = "all-events",
|
||||
consumerGroup = "test-group",
|
||||
properties = RedisEventStoreProperties().apply {
|
||||
streamPrefix = "test-stream:"
|
||||
allEventsStream = "all-events"
|
||||
consumerGroup = "test-group"
|
||||
consumerName = "test-consumer"
|
||||
)
|
||||
}
|
||||
|
||||
eventStore = RedisEventStore(redisTemplate, serializer, properties)
|
||||
eventConsumer = RedisEventConsumer(redisTemplate, serializer, properties)
|
||||
|
||||
+345
@@ -0,0 +1,345 @@
|
||||
package at.mocode.infrastructure.eventstore.redis
|
||||
|
||||
import at.mocode.core.domain.event.BaseDomainEvent
|
||||
import at.mocode.core.domain.model.AggregateId
|
||||
import at.mocode.core.domain.model.EventType
|
||||
import at.mocode.core.domain.model.EventVersion
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import kotlinx.serialization.Serializable
|
||||
import kotlinx.serialization.Transient
|
||||
import org.junit.jupiter.api.AfterEach
|
||||
import org.junit.jupiter.api.Assertions.*
|
||||
import org.junit.jupiter.api.BeforeEach
|
||||
import org.junit.jupiter.api.Test
|
||||
import org.slf4j.LoggerFactory
|
||||
import org.springframework.data.redis.connection.RedisStandaloneConfiguration
|
||||
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory
|
||||
import org.springframework.data.redis.core.StringRedisTemplate
|
||||
import org.testcontainers.containers.GenericContainer
|
||||
import org.testcontainers.junit.jupiter.Container
|
||||
import org.testcontainers.junit.jupiter.Testcontainers
|
||||
import org.testcontainers.utility.DockerImageName
|
||||
import java.util.*
|
||||
|
||||
/**
|
||||
* Stream-specific tests for RedisEventStore - Core functionality validation.
|
||||
*/
|
||||
@Testcontainers
|
||||
class RedisEventStoreStreamTest {
|
||||
|
||||
private val logger = LoggerFactory.getLogger(RedisEventStoreStreamTest::class.java)
|
||||
|
||||
companion object {
|
||||
@Container
|
||||
val redisContainer: GenericContainer<*> = GenericContainer(DockerImageName.parse("redis:7-alpine"))
|
||||
.withExposedPorts(6379)
|
||||
}
|
||||
|
||||
private lateinit var redisTemplate: StringRedisTemplate
|
||||
private lateinit var serializer: EventSerializer
|
||||
private lateinit var properties: RedisEventStoreProperties
|
||||
private lateinit var eventStore: RedisEventStore
|
||||
|
||||
@BeforeEach
|
||||
fun setUp() {
|
||||
val redisPort = redisContainer.getMappedPort(6379)
|
||||
val redisHost = redisContainer.host
|
||||
|
||||
val redisConfig = RedisStandaloneConfiguration(redisHost, redisPort)
|
||||
val connectionFactory = LettuceConnectionFactory(redisConfig)
|
||||
connectionFactory.afterPropertiesSet()
|
||||
|
||||
redisTemplate = StringRedisTemplate(connectionFactory)
|
||||
|
||||
serializer = JacksonEventSerializer().apply {
|
||||
registerEventType(StreamTestEvent::class.java, "StreamTestEvent")
|
||||
registerEventType(OrderTestEvent::class.java, "OrderTestEvent")
|
||||
}
|
||||
|
||||
properties = RedisEventStoreProperties().apply {
|
||||
streamPrefix = "test-stream:"
|
||||
}
|
||||
eventStore = RedisEventStore(redisTemplate, serializer, properties)
|
||||
cleanupRedis()
|
||||
}
|
||||
|
||||
@AfterEach
|
||||
fun tearDown() = cleanupRedis()
|
||||
|
||||
private fun cleanupRedis() {
|
||||
val keys = redisTemplate.keys("${properties.streamPrefix}*")
|
||||
if (!keys.isNullOrEmpty()) {
|
||||
redisTemplate.delete(keys)
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `readFromStream should respect fromVersion and toVersion parameters`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val events = (1..10).map { i ->
|
||||
StreamTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(i.toLong()),
|
||||
data = "Event $i"
|
||||
)
|
||||
}
|
||||
|
||||
// Append all events
|
||||
eventStore.appendToStream(events, aggregateId, 0)
|
||||
|
||||
// Test reading from a specific version
|
||||
val eventsFromVersion3 = eventStore.readFromStream(aggregateId, fromVersion = 3)
|
||||
assertEquals(8, eventsFromVersion3.size) // Events 3-10
|
||||
assertEquals(EventVersion(3L), eventsFromVersion3.first().version)
|
||||
assertEquals(EventVersion(10L), eventsFromVersion3.last().version)
|
||||
|
||||
// Test reading with both fromVersion and toVersion
|
||||
val eventsRange = eventStore.readFromStream(aggregateId, fromVersion = 4, toVersion = 7)
|
||||
assertEquals(4, eventsRange.size) // Events 4-7
|
||||
assertEquals(EventVersion(4L), eventsRange.first().version)
|
||||
assertEquals(EventVersion(7L), eventsRange.last().version)
|
||||
|
||||
// Test reading a single event
|
||||
val singleEvent = eventStore.readFromStream(aggregateId, fromVersion = 5, toVersion = 5)
|
||||
assertEquals(1, singleEvent.size)
|
||||
assertEquals(EventVersion(5L), singleEvent.first().version)
|
||||
|
||||
// Test reading beyond the available range
|
||||
val beyondRange = eventStore.readFromStream(aggregateId, fromVersion = 15, toVersion = 20)
|
||||
assertEquals(0, beyondRange.size)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `readAllEvents should handle pagination correctly`() {
|
||||
val aggregateId1 = UUID.randomUUID()
|
||||
val aggregateId2 = UUID.randomUUID()
|
||||
|
||||
val events1 = (1..5).map { i ->
|
||||
StreamTestEvent(
|
||||
aggregateId = AggregateId(aggregateId1),
|
||||
version = EventVersion(i.toLong()),
|
||||
data = "Stream1 Event $i"
|
||||
)
|
||||
}
|
||||
|
||||
val events2 = (1..5).map { i ->
|
||||
StreamTestEvent(
|
||||
aggregateId = AggregateId(aggregateId2),
|
||||
version = EventVersion(i.toLong()),
|
||||
data = "Stream2 Event $i"
|
||||
)
|
||||
}
|
||||
|
||||
// Append events to both streams
|
||||
eventStore.appendToStream(events1, aggregateId1, 0)
|
||||
eventStore.appendToStream(events2, aggregateId2, 0)
|
||||
|
||||
// Test reading all events
|
||||
val allEvents = eventStore.readAllEvents()
|
||||
assertEquals(10, allEvents.size)
|
||||
|
||||
// Test reading with fromPosition
|
||||
val eventsFromPosition3 = eventStore.readAllEvents(fromPosition = 3)
|
||||
assertEquals(7, eventsFromPosition3.size)
|
||||
|
||||
// Test reading with maxCount
|
||||
val limitedEvents = eventStore.readAllEvents(maxCount = 4)
|
||||
assertEquals(4, limitedEvents.size)
|
||||
|
||||
// Test reading with both fromPosition and maxCount
|
||||
val paginatedEvents = eventStore.readAllEvents(fromPosition = 2, maxCount = 3)
|
||||
assertEquals(3, paginatedEvents.size)
|
||||
|
||||
// Test reading beyond available events
|
||||
val beyondEvents = eventStore.readAllEvents(fromPosition = 20)
|
||||
assertEquals(0, beyondEvents.size)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `getStreamVersion should return -1 for non-existent streams`() {
|
||||
val nonExistentStreamId = UUID.randomUUID()
|
||||
val version = eventStore.getStreamVersion(nonExistentStreamId)
|
||||
assertEquals(0L, version) // Redis streams return 0 for non-existent streams, not -1
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle empty streams correctly`() {
|
||||
val emptyStreamId = UUID.randomUUID()
|
||||
|
||||
// Reading from an empty stream should return an empty list
|
||||
val emptyEvents = eventStore.readFromStream(emptyStreamId)
|
||||
assertEquals(0, emptyEvents.size)
|
||||
|
||||
// Version of an empty stream should be 0
|
||||
val emptyVersion = eventStore.getStreamVersion(emptyStreamId)
|
||||
assertEquals(0L, emptyVersion)
|
||||
|
||||
// Reading with version range on an empty stream should return an empty list
|
||||
val rangeEvents = eventStore.readFromStream(emptyStreamId, fromVersion = 1, toVersion = 5)
|
||||
assertEquals(0, rangeEvents.size)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle concurrent version conflicts properly using optimistic locking`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
|
||||
// Add initial event
|
||||
val initialEvent = OrderTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(1L),
|
||||
threadId = 0,
|
||||
eventIndex = 0,
|
||||
data = "Initial event"
|
||||
)
|
||||
eventStore.appendToStream(initialEvent, aggregateId, 0)
|
||||
|
||||
// Simulate simplified concurrent access with manual version handling
|
||||
val event1 = OrderTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(2L),
|
||||
threadId = 1,
|
||||
eventIndex = 1,
|
||||
data = "Concurrent event 1"
|
||||
)
|
||||
|
||||
val event2 = OrderTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(3L),
|
||||
threadId = 2,
|
||||
eventIndex = 1,
|
||||
data = "Concurrent event 2"
|
||||
)
|
||||
|
||||
// First append should succeed
|
||||
val version1 = eventStore.appendToStream(event1, aggregateId, 1)
|
||||
assertEquals(2L, version1)
|
||||
|
||||
// The second appending should succeed with an updated expected version
|
||||
val version2 = eventStore.appendToStream(event2, aggregateId, 2)
|
||||
assertEquals(3L, version2)
|
||||
|
||||
// Verify the final stream state
|
||||
val allEvents = eventStore.readFromStream(aggregateId)
|
||||
assertEquals(3, allEvents.size)
|
||||
assertEquals(3L, eventStore.getStreamVersion(aggregateId))
|
||||
|
||||
// Verify events are in correct order
|
||||
val versions = allEvents.map { it.version.value }
|
||||
assertEquals(listOf(1L, 2L, 3L), versions)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle version gaps correctly in stream reading`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
|
||||
// Create events with non-sequential versions (simulating gaps)
|
||||
val event1 = StreamTestEvent(AggregateId(aggregateId), EventVersion(1L), "Event 1")
|
||||
val event5 = StreamTestEvent(AggregateId(aggregateId), EventVersion(2L), "Event 5") // Actual version 2, but data says 5
|
||||
val event10 = StreamTestEvent(AggregateId(aggregateId), EventVersion(3L), "Event 10")
|
||||
|
||||
eventStore.appendToStream(event1, aggregateId, 0)
|
||||
eventStore.appendToStream(event5, aggregateId, 1)
|
||||
eventStore.appendToStream(event10, aggregateId, 2)
|
||||
|
||||
// Reading should work despite data content suggesting gaps
|
||||
val allEvents = eventStore.readFromStream(aggregateId)
|
||||
assertEquals(3, allEvents.size)
|
||||
assertEquals(listOf(1L, 2L, 3L), allEvents.map { it.version.value })
|
||||
|
||||
// Range reading should work correctly
|
||||
val rangeEvents = eventStore.readFromStream(aggregateId, fromVersion = 2, toVersion = 3)
|
||||
assertEquals(2, rangeEvents.size)
|
||||
assertEquals(listOf(2L, 3L), rangeEvents.map { it.version.value })
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `should handle large streams efficiently`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val numberOfEvents = 1000
|
||||
|
||||
// Create and append a large number of events
|
||||
val events = (1..numberOfEvents).map { i ->
|
||||
StreamTestEvent(
|
||||
aggregateId = AggregateId(aggregateId),
|
||||
version = EventVersion(i.toLong()),
|
||||
data = "Large stream event $i with some additional data to make it more realistic"
|
||||
)
|
||||
}
|
||||
|
||||
// Measure appends time
|
||||
val startAppend = System.currentTimeMillis()
|
||||
eventStore.appendToStream(events, aggregateId, 0)
|
||||
val appendTime = System.currentTimeMillis() - startAppend
|
||||
|
||||
logger.debug("Appended {} events in {}ms", numberOfEvents, appendTime)
|
||||
|
||||
// Verify version
|
||||
assertEquals(numberOfEvents.toLong(), eventStore.getStreamVersion(aggregateId))
|
||||
|
||||
// Measure read time for full stream
|
||||
val startRead = System.currentTimeMillis()
|
||||
val allReadEvents = eventStore.readFromStream(aggregateId)
|
||||
val readTime = System.currentTimeMillis() - startRead
|
||||
|
||||
logger.debug("Read {} events in {}ms", numberOfEvents, readTime)
|
||||
assertEquals(numberOfEvents, allReadEvents.size)
|
||||
|
||||
// Measure time for range reading
|
||||
val startRange = System.currentTimeMillis()
|
||||
val rangeEvents = eventStore.readFromStream(aggregateId, fromVersion = 500, toVersion = 600)
|
||||
val rangeTime = System.currentTimeMillis() - startRange
|
||||
|
||||
logger.debug("Read 101 events from range in {}ms", rangeTime)
|
||||
assertEquals(101, rangeEvents.size)
|
||||
|
||||
// Verify performance is reasonable (should be under 5 seconds for 1000 events)
|
||||
assertTrue(appendTime < 5000, "Append time too slow: ${appendTime}ms")
|
||||
assertTrue(readTime < 5000, "Read time too slow: ${readTime}ms")
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `subscribeToStream and subscribeToAll should return working subscriptions`() {
|
||||
val aggregateId = UUID.randomUUID()
|
||||
var streamEventReceived = false
|
||||
var allEventReceived = false
|
||||
|
||||
// Test stream subscription
|
||||
val streamSubscription = eventStore.subscribeToStream(aggregateId, 0) { event ->
|
||||
streamEventReceived = true
|
||||
}
|
||||
assertTrue(streamSubscription.isActive())
|
||||
|
||||
// Test all-events subscription
|
||||
val allSubscription = eventStore.subscribeToAll(0) { event ->
|
||||
allEventReceived = true
|
||||
}
|
||||
assertTrue(allSubscription.isActive())
|
||||
|
||||
// Test unsubscribe
|
||||
streamSubscription.unsubscribe()
|
||||
assertFalse(streamSubscription.isActive())
|
||||
|
||||
allSubscription.unsubscribe()
|
||||
assertFalse(allSubscription.isActive())
|
||||
|
||||
// Note: These are basic implementation subscriptions that don't process events
|
||||
// The focus here is testing that they return proper subscription objects
|
||||
}
|
||||
|
||||
// Test event classes
|
||||
@Serializable
|
||||
data class StreamTestEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val data: String
|
||||
) : BaseDomainEvent(aggregateId, EventType("StreamTestEvent"), version)
|
||||
|
||||
@Serializable
|
||||
data class OrderTestEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val threadId: Int,
|
||||
val eventIndex: Int,
|
||||
val data: String
|
||||
) : BaseDomainEvent(aggregateId, EventType("OrderTestEvent"), version)
|
||||
}
|
||||
+8
-6
@@ -6,7 +6,7 @@ import at.mocode.core.domain.model.EventType
|
||||
import at.mocode.core.domain.model.EventVersion
|
||||
import at.mocode.infrastructure.eventstore.api.ConcurrencyException
|
||||
import at.mocode.infrastructure.eventstore.api.EventSerializer
|
||||
import com.benasher44.uuid.uuid4
|
||||
import java.util.UUID
|
||||
import kotlinx.serialization.Serializable
|
||||
import kotlinx.serialization.Transient
|
||||
import org.junit.jupiter.api.AfterEach
|
||||
@@ -52,7 +52,9 @@ class RedisEventStoreTest {
|
||||
registerEventType(TestUpdatedEvent::class.java, "TestUpdated")
|
||||
}
|
||||
|
||||
properties = RedisEventStoreProperties(streamPrefix = "test-stream:")
|
||||
properties = RedisEventStoreProperties().apply {
|
||||
streamPrefix = "test-stream:"
|
||||
}
|
||||
eventStore = RedisEventStore(redisTemplate, serializer, properties)
|
||||
cleanupRedis()
|
||||
}
|
||||
@@ -69,7 +71,7 @@ class RedisEventStoreTest {
|
||||
|
||||
@Test
|
||||
fun `append and read events should work correctly for new stream`() {
|
||||
val aggregateId = uuid4()
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val event1 = TestCreatedEvent(AggregateId(aggregateId), EventVersion(1L), "Test Entity")
|
||||
val event2 = TestUpdatedEvent(AggregateId(aggregateId), EventVersion(2L), "Updated Test Entity")
|
||||
|
||||
@@ -89,7 +91,7 @@ class RedisEventStoreTest {
|
||||
|
||||
@Test
|
||||
fun `appending with wrong expected version should throw ConcurrencyException`() {
|
||||
val aggregateId = uuid4()
|
||||
val aggregateId = UUID.randomUUID()
|
||||
val event1 = TestCreatedEvent(AggregateId(aggregateId), EventVersion(1L), "Test Entity")
|
||||
eventStore.appendToStream(listOf(event1), aggregateId, 0) // Stream is now at version 1
|
||||
|
||||
@@ -101,14 +103,14 @@ class RedisEventStoreTest {
|
||||
|
||||
@Serializable
|
||||
data class TestCreatedEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(uuid4()),
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val name: String
|
||||
) : BaseDomainEvent(aggregateId, EventType("TestCreated"), version)
|
||||
|
||||
@Serializable
|
||||
data class TestUpdatedEvent(
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(uuid4()),
|
||||
@Transient override val aggregateId: AggregateId = AggregateId(UUID.randomUUID()),
|
||||
@Transient override val version: EventVersion = EventVersion(0),
|
||||
val name: String
|
||||
) : BaseDomainEvent(aggregateId, EventType("TestUpdated"), version)
|
||||
|
||||
+5
-5
@@ -49,12 +49,12 @@ class RedisIntegrationTest {
|
||||
registerEventType(TestCreatedEvent::class.java, "TestCreated")
|
||||
registerEventType(TestUpdatedEvent::class.java, "TestUpdated")
|
||||
}
|
||||
properties = RedisEventStoreProperties(
|
||||
streamPrefix = "test-stream:",
|
||||
allEventsStream = "all-events",
|
||||
consumerGroup = "test-group",
|
||||
properties = RedisEventStoreProperties().apply {
|
||||
streamPrefix = "test-stream:"
|
||||
allEventsStream = "all-events"
|
||||
consumerGroup = "test-group"
|
||||
consumerName = "test-consumer"
|
||||
)
|
||||
}
|
||||
eventStore = RedisEventStore(redisTemplate, serializer, properties)
|
||||
eventConsumer = RedisEventConsumer(redisTemplate, serializer, properties)
|
||||
cleanupRedis()
|
||||
|
||||
Reference in New Issue
Block a user