40 lines
2.6 KiB
JavaScript
40 lines
2.6 KiB
JavaScript
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import test from 'node:test';
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import assert from 'node:assert/strict';
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import { memoirTimeline, readMemoirMode, saveMemoirMode } from '../src/pages/memoir-reading.ts';
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const chapter = (event_time, story_id) => ({ event_time, story_id, title: story_id, paragraphs: ['正文'], caption: '' });
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test('timeline uses explicit years, keeps chapter indices and groups multiple stories without changing the book', () => {
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const chapters = [chapter('1982年', 'a'), chapter('约1964年', 'b'), chapter('1968年夏天', 'c'), chapter('小时候', 'd')];
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const original = structuredClone(chapters);
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assert.deepEqual(memoirTimeline(chapters).map(group => [group.label, group.indices]), [['1960 年代', [1, 2]], ['1980 年代', [0]], ['时间未明确', [3]]]);
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assert.deepEqual(chapters, original);
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});
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test('cross-decade ranges and unknown dates never become invented exact years or life stages', () => {
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const groups = memoirTimeline([chapter('1968年至1982年', 'a'), chapter('年轻的时候', 'b'), chapter('', 'c'), chapter('1972—1976年', 'd')]);
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assert.deepEqual(groups.map(group => [group.label, group.indices]), [['1970 年代', [3]], ['跨年代往事', [0]], ['时间未明确', [1, 2]]]);
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assert.deepEqual(memoirTimeline([]), []);
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});
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test('mode preferences are scoped by elder and invalid stored values fall back to book', () => {
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const previous = Object.getOwnPropertyDescriptor(globalThis, 'localStorage');
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const values = new Map();
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Object.defineProperty(globalThis, 'localStorage', { configurable: true, value: { getItem: key => values.get(key), setItem: (key, value) => values.set(key, value) } });
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try {
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saveMemoirMode('elder-a', 'timeline');
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assert.equal(readMemoirMode('elder-a'), 'timeline');
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assert.equal(readMemoirMode('elder-b'), 'book');
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values.set('memoir-reading-mode:v1:elder-a', 'bad-mode');
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assert.equal(readMemoirMode('elder-a'), 'book');
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assert.deepEqual([...values.keys()], ['memoir-reading-mode:v1:elder-a']);
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} finally { if (previous) Object.defineProperty(globalThis, 'localStorage', previous); else delete globalThis.localStorage; }
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});
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test('unavailable browser storage does not block reading or switching', () => {
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const previous = Object.getOwnPropertyDescriptor(globalThis, 'localStorage');
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Object.defineProperty(globalThis, 'localStorage', { configurable: true, get: () => { throw new Error('blocked'); } });
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try { assert.equal(readMemoirMode('elder'), 'book'); assert.doesNotThrow(() => saveMemoirMode('elder', 'scroll')); }
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finally { if (previous) Object.defineProperty(globalThis, 'localStorage', previous); else delete globalThis.localStorage; }
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});
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