96 lines
3.6 KiB
TypeScript
96 lines
3.6 KiB
TypeScript
/** Regression tests for the bilingual cutoff and structural signature. */
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import { describe, expect, it } from 'vitest'
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import {
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datedDocumentDate,
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isIsoDate,
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parseTranslationMarkdown,
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parseTranslationPairingManifest,
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requiresPairByDate,
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translationStructureDiff,
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translationStructureSignature,
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} from './translation-pairing.ts'
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function signature(markdown: string) {
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return translationStructureSignature(parseTranslationMarkdown(markdown), 'counterpart.zh.md')
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}
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describe('translation pairing manifest', () => {
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it('accepts a real ISO cutoff and string-array fields', () => {
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expect(parseTranslationPairingManifest(JSON.stringify({
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requiredSince: '2026-07-14',
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required: ['README.md'],
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excluded: ['docs/generated/'],
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}))).toEqual({
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requiredSince: '2026-07-14',
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required: ['README.md'],
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excluded: ['docs/generated/'],
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})
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})
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it.each(['2026-7-14', '2026-02-29', '2026-13-01', 'not-a-date'])('rejects invalid cutoff %s', (cutoff) => {
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expect(isIsoDate(cutoff)).toBe(false)
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expect(() => parseTranslationPairingManifest(JSON.stringify({
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requiredSince: cutoff,
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required: [],
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excluded: [],
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}))).toThrow('requiredSince must be a valid YYYY-MM-DD date')
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})
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it('rejects non-string manifest arrays', () => {
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expect(() => parseTranslationPairingManifest(JSON.stringify({
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requiredSince: '2026-07-14',
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required: [42],
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excluded: [],
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}))).toThrow('required must be an array of strings')
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})
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})
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describe('date-based pairing frontier', () => {
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const cutoff = '2026-07-14'
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it('enforces the cutoff day and every later day, but not the preceding day', () => {
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expect(requiresPairByDate('docs/rfc/2026-07-13-before.md', cutoff)).toBe(false)
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expect(requiresPairByDate('docs/rfc/2026-07-14-at-cutoff.md', cutoff)).toBe(true)
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expect(requiresPairByDate('docs/rfc/2026-07-15-after.md', cutoff)).toBe(true)
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})
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it('matches only a date at the start of the basename', () => {
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expect(datedDocumentDate('docs/rfc/2026-07-14-proposal.md')).toBe('2026-07-14')
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expect(datedDocumentDate('docs/release-notes-2026-07-14-alpha.md')).toBeUndefined()
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expect(requiresPairByDate('docs/release-notes-2026-07-14-alpha.md', cutoff)).toBe(false)
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})
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})
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describe('translation structural signature', () => {
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it('accepts matching list kinds, starts, and item counts', () => {
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const source = signature('3. One\n4. Two\n\n- A\n- B\n')
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const counterpart = signature('3. 一\n4. 二\n\n- 甲\n- 乙\n')
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expect(translationStructureDiff(source, counterpart)).toEqual([])
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})
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it('rejects an altered ordered-list start', () => {
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const source = signature('3. One\n4. Two\n\n- A\n- B\n')
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const counterpart = signature('1. 一\n2. 二\n\n- 甲\n- 乙\n')
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expect(translationStructureDiff(source, counterpart)).toEqual([
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'list (kind, start, item count) #1 diverges between the pair: "ordered:start=3:items=2" vs "ordered:start=1:items=2"',
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])
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})
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it('rejects a missing list item', () => {
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const source = signature('- A\n- B\n')
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const counterpart = signature('- 甲\n')
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expect(translationStructureDiff(source, counterpart)).toEqual([
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'list (kind, start, item count) #1 diverges between the pair: "bullet:items=2" vs "bullet:items=1"',
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])
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})
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it('rejects altered table row or column counts', () => {
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const source = signature('| A | B |\n|---|---|\n| 1 | 2 |\n| 3 | 4 |\n')
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const counterpart = signature('| 甲 | 乙 |\n|---|---|\n| 一 | 二 |\n')
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expect(translationStructureDiff(source, counterpart)).toEqual([
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'table (row x column count) #1 diverges between the pair: "3x2" vs "2x2"',
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])
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})
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})
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