qwsdcvghyu89
102 lines
3.2 KiB
TypeScript
102 lines
3.2 KiB
TypeScript
import { describe, test, expect, beforeEach, afterEach } from 'bun:test';
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import { mkdtempSync, rmSync } from 'fs';
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import { join } from 'path';
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import { tmpdir } from 'os';
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import { Cache } from '../src/services/cache.ts';
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import type { TextFragment } from '../src/types.ts';
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let tmpDir: string;
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let cache: Cache;
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beforeEach(() => {
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tmpDir = mkdtempSync(join(tmpdir(), 'qa-cache-test-'));
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cache = new Cache(tmpDir);
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});
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afterEach(() => {
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rmSync(tmpDir, { recursive: true, force: true });
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});
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describe('cache — chapters', () => {
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test('returns null on a cold cache', () => {
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expect(cache.tryGetChapters(1, 0, 5)).toBeNull();
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});
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test('returns null when a chapter in range is missing', () => {
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cache.saveChapters(1, [
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{ index: 0, content: 'Chapter zero content here' },
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// index 1 is intentionally missing
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{ index: 2, content: 'Chapter two content here' },
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]);
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expect(cache.tryGetChapters(1, 0, 2)).toBeNull();
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});
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test('returns null for invalid range (min > max)', () => {
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expect(cache.tryGetChapters(1, 5, 2)).toBeNull();
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});
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test('saves and retrieves plain-text chapters', () => {
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cache.saveChapters(1, [
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{ index: 0, content: 'Line one\nLine two' },
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{ index: 1, content: 'Chapter one content here' },
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]);
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const view = cache.tryGetChapters(1, 0, 1);
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expect(view).not.toBeNull();
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expect(view!.id).toBe(1);
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expect(view!.min).toBe(0);
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expect(view!.max).toBe(1);
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expect(view!.chapters).toHaveLength(2);
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expect(view!.chapters[0]!.hasStyle).toBe(false);
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});
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test('detects styled (JSON fragment) chapters', () => {
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const fragments: TextFragment[] = [{ body: 'Hello world', style: undefined }];
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cache.saveChapters(1, [{ index: 0, content: JSON.stringify(fragments) }]);
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const view = cache.tryGetChapters(1, 0, 0);
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expect(view).not.toBeNull();
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expect(view!.chapters[0]!.hasStyle).toBe(true);
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});
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test('returns null when a chapter file is too short', () => {
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cache.saveChapters(1, [{ index: 0, content: 'hi' }]); // < 10 bytes
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expect(cache.tryGetChapters(1, 0, 0)).toBeNull();
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});
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test('handles single-chapter range', () => {
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cache.saveChapters(42, [{ index: 7, content: 'Single chapter content ok' }]);
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const view = cache.tryGetChapters(42, 7, 7);
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expect(view).not.toBeNull();
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expect(view!.chapters).toHaveLength(1);
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});
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});
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describe('cache — TOC', () => {
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test('returns null on a cold cache', () => {
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expect(cache.tryGetToc(1)).toBeNull();
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});
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test('round-trips a TOC', () => {
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const urls = [
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'https://example.com/chapter-1',
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'https://example.com/chapter-2',
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'https://example.com/chapter-3',
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];
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cache.saveToc(1, urls);
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expect(cache.tryGetToc(1)).toEqual(urls);
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});
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test('returns null for an empty TOC file', () => {
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cache.saveToc(1, []);
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expect(cache.tryGetToc(1)).toBeNull();
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});
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test('overwrites an existing TOC on re-save', () => {
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cache.saveToc(1, ['https://example.com/old']);
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cache.saveToc(1, ['https://example.com/new-1', 'https://example.com/new-2']);
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expect(cache.tryGetToc(1)).toEqual([
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'https://example.com/new-1',
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'https://example.com/new-2',
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]);
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});
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});
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