learning_ai_common_plat/packages/event-store/src/file-store.test.ts

114 lines
3.5 KiB
TypeScript

import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { join } from 'node:path';
import { tmpdir } from 'node:os';
import { rm } from 'node:fs/promises';
import { FileEventStore } from './file-store.js';
import type { StoredEvent } from './types.js';
function makeEvent(overrides?: Partial<StoredEvent>): StoredEvent {
return {
id: crypto.randomUUID(),
type: 'test.event',
userId: 'u1',
productId: 'testprod',
timestamp: new Date().toISOString(),
payload: {},
...overrides,
};
}
describe('FileEventStore', () => {
let store: FileEventStore;
let filePath: string;
beforeEach(() => {
filePath = join(
tmpdir(),
`event-store-test-${Date.now()}-${Math.random().toString(36).slice(2)}.jsonl`
);
store = new FileEventStore({ filePath });
});
afterEach(async () => {
try {
await rm(filePath);
} catch {
/* may not exist */
}
});
it('appends and retrieves events', async () => {
await store.append(makeEvent());
expect(await store.count()).toBe(1);
const recent = await store.recent();
expect(recent).toHaveLength(1);
});
it('persists multiple events across reads', async () => {
await store.append(makeEvent({ id: 'e1' }));
await store.append(makeEvent({ id: 'e2' }));
await store.append(makeEvent({ id: 'e3' }));
expect(await store.count()).toBe(3);
const recent = await store.recent(2);
expect(recent).toHaveLength(2);
expect(recent[0].id).toBe('e2');
});
it('queries by userId', async () => {
await store.append(makeEvent({ userId: 'u1' }));
await store.append(makeEvent({ userId: 'u2' }));
await store.append(makeEvent({ userId: 'u1' }));
const results = await store.query({ userId: 'u1' });
expect(results).toHaveLength(2);
});
it('queries by type', async () => {
await store.append(makeEvent({ type: 'task.created' }));
await store.append(makeEvent({ type: 'schedule.generated' }));
const results = await store.query({ type: 'task.created' });
expect(results).toHaveLength(1);
});
it('queries with time range', async () => {
await store.append(makeEvent({ timestamp: '2026-01-01T00:00:00Z' }));
await store.append(makeEvent({ timestamp: '2026-03-01T00:00:00Z' }));
await store.append(makeEvent({ timestamp: '2026-06-01T00:00:00Z' }));
const results = await store.query({
after: '2026-02-01T00:00:00Z',
before: '2026-04-01T00:00:00Z',
});
expect(results).toHaveLength(1);
});
it('queries with limit', async () => {
for (let i = 0; i < 10; i++) {
await store.append(makeEvent());
}
const results = await store.query({ limit: 3 });
expect(results).toHaveLength(3);
});
it('clears all events', async () => {
await store.append(makeEvent());
await store.append(makeEvent());
await store.clear();
expect(await store.count()).toBe(0);
});
it('returns empty for non-existent file', async () => {
const fresh = new FileEventStore({
filePath: join(tmpdir(), 'nonexistent-' + Date.now() + '.jsonl'),
});
expect(await fresh.count()).toBe(0);
expect(await fresh.recent()).toEqual([]);
});
it('creates parent directory if needed', async () => {
const nested = join(tmpdir(), `nested-${Date.now()}`, 'sub', 'events.jsonl');
const nestedStore = new FileEventStore({ filePath: nested });
await nestedStore.append(makeEvent());
expect(await nestedStore.count()).toBe(1);
await rm(join(tmpdir(), `nested-${Date.now()}`), { recursive: true }).catch(() => {});
});
});