byGalax
62 lines
1.8 KiB
TypeScript
62 lines
1.8 KiB
TypeScript
import { afterEach, describe, expect, it } from 'vitest';
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import type { DecryptedMessage } from '@chat-app/shared/chat';
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import {
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__resetForTests,
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getCachedMessages,
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hasCachedMessages,
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setCachedMessages,
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} from './messageMemoryCache';
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function msg(id: string): DecryptedMessage {
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return {
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id,
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conversationId: 'conv-1',
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senderId: 'sender-1',
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senderDeviceId: null,
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replyToId: null,
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editedAt: null,
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deletedAt: null,
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createdAt: '2026-05-17T00:00:00Z',
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plaintext: 'hi ' + id,
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};
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}
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describe('messageMemoryCache', () => {
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afterEach(() => {
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__resetForTests();
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});
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it('returns empty array when nothing is cached', () => {
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expect(getCachedMessages('unknown')).toEqual([]);
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expect(hasCachedMessages('unknown')).toBe(false);
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});
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it('stores and returns messages per conversation', () => {
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setCachedMessages('a', [msg('m1'), msg('m2')]);
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expect(getCachedMessages('a').map((m) => m.id)).toEqual(['m1', 'm2']);
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expect(hasCachedMessages('a')).toBe(true);
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});
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it('isolates conversations', () => {
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setCachedMessages('a', [msg('m1')]);
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setCachedMessages('b', [msg('m9')]);
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expect(getCachedMessages('a').map((m) => m.id)).toEqual(['m1']);
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expect(getCachedMessages('b').map((m) => m.id)).toEqual(['m9']);
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});
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it('overwrites prior cache when set again', () => {
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setCachedMessages('a', [msg('m1')]);
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setCachedMessages('a', [msg('m1'), msg('m2')]);
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expect(getCachedMessages('a').map((m) => m.id)).toEqual(['m1', 'm2']);
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});
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it('treats an explicit empty list as "cached"', () => {
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// A conversation that genuinely has zero messages should still be
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// flagged as cached so the hook skips the loading spinner on re-entry.
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setCachedMessages('a', []);
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expect(hasCachedMessages('a')).toBe(true);
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expect(getCachedMessages('a')).toEqual([]);
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});
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});
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