45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
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import AppProjections from "../AppProjections";
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import AppQueries from "../AppQueries";
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import EventStore from "../EventStore";
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export class TestApp {
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readonly eventStore: InMemoryEventStore = new InMemoryEventStore();
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readonly projections: AppProjections = new AppProjections();
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readonly queries: AppQueries = new AppQueries(this.projections);
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constructor(history: DomainEvent<any>[] = []) {
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this.projections.getAll().forEach((projection) => {
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this.eventStore.subscribe(projection);
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});
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for (const event of history) {
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this.eventStore.append(event);
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}
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}
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}
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class InMemoryEventStore implements EventStore {
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private handlers: DomainProjection[] = [];
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private readonly events: DomainEvent<any>[] = [];
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async append(event: DomainEvent<any>): Promise<void> {
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this.events.push(event);
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for (const handler of this.handlers) {
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handler.handle(event);
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}
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}
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subscribe(projection: DomainProjection): void {
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this.handlers.push(projection);
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}
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async replay(): Promise<void> {
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throw new Error(
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"Replay is not relevant for InMemoryEventStore. Use append instead."
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);
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}
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getAllEvents(): DomainEvent<any>[] {
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return this.events;
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}
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}
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