teqo-backup/tests/unit/changelog.unit.spec.ts

289 lines
9.1 KiB
TypeScript

// @vitest-environment node
import { describe, expect, it } from 'vitest'
import {
assertChangelogAppendOnly,
buildChangelog,
CHANGELOG_REWRITE_ESCAPE_RE,
entryDateOf,
listChangelogEntries,
missingLines,
parseChangelogEntryName,
splitChangelogBody,
} from '../../scripts/lib/changelog.mjs'
const HEADER = `# Changelog de contexto para agentes (fatias do AGENTS.md)
Conteúdo movido do \`AGENTS.md\` em 2026-07-30.
---`
const ENTRY_2026_08_13 = `**Recently resolved (2026-08-13):** **OPS44** — teste. Intenção [x](plans/x.md); impl [x-impl](plans/x-impl.md).`
const ENTRY_2026_08_12 = `**Recently resolved (2026-08-12):** **B200** — teste.`
describe('parseChangelogEntryName', () => {
it('parses the canonical date-id filename', () => {
expect(parseChangelogEntryName('2026-08-13-ops44.md')).toEqual({
date: '2026-08-13',
id: 'ops44',
})
})
it('accepts alphanumeric ids with dashes', () => {
expect(parseChangelogEntryName('2026-08-12-c123-teste.md')).toEqual({
date: '2026-08-12',
id: 'c123-teste',
})
})
it('rejects malformed names', () => {
expect(parseChangelogEntryName('ops44.md')).toBeNull()
expect(parseChangelogEntryName('2026-13-01-ops44.md')).toBeNull()
expect(parseChangelogEntryName('2026-08-13.md')).toBeNull()
expect(parseChangelogEntryName('2026-08-13-OPS44.md')).toBeNull()
expect(parseChangelogEntryName('README.md')).toBeNull()
})
it('rejects impossible calendar dates', () => {
expect(parseChangelogEntryName('2026-02-31-ops44.md')).toBeNull()
expect(parseChangelogEntryName('2026-04-31-ops44.md')).toBeNull()
})
})
describe('listChangelogEntries', () => {
it('sorts by date desc then id asc', () => {
const { entries, errors } = listChangelogEntries([
'docs/changelog/2026-08-10-b197.md',
'docs/changelog/2026-08-13-ops44.md',
'docs/changelog/2026-08-12-a.md',
'docs/changelog/2026-08-12-b.md',
])
expect(errors).toEqual([])
expect(entries.map((entry) => entry.name)).toEqual([
'2026-08-13-ops44.md',
'2026-08-12-a.md',
'2026-08-12-b.md',
'2026-08-10-b197.md',
])
})
it('fails closed on a .md that does not match the pattern', () => {
const { entries, errors } = listChangelogEntries([
'docs/changelog/2026-08-13-ops44.md',
'docs/changelog/not-an-entry.md',
])
expect(entries).toHaveLength(1)
expect(errors).toEqual([
'docs/changelog/not-an-entry.md — não casa o padrão <YYYY-MM-DD>-<id>.md',
])
})
it('ignores non-md files (e.g. stray assets)', () => {
const { entries, errors } = listChangelogEntries([
'docs/changelog/2026-08-13-ops44.md',
'docs/changelog/foo.txt',
])
expect(errors).toEqual([])
expect(entries).toHaveLength(1)
})
})
describe('splitChangelogBody', () => {
const aggregate = `${HEADER}\n\n${ENTRY_2026_08_13}\n\n${ENTRY_2026_08_12}\n`
it('splits the static header from the entry blocks', () => {
expect(splitChangelogBody(aggregate)).toEqual({
header: HEADER,
blocks: [ENTRY_2026_08_13, ENTRY_2026_08_12],
})
})
it('trims trailing whitespace from blocks', () => {
const { blocks } = splitChangelogBody(`${HEADER}\n\n${ENTRY_2026_08_13} \n`)
expect(blocks).toEqual([ENTRY_2026_08_13])
})
it('throws when the separator is missing', () => {
expect(() => splitChangelogBody('sem separador')).toThrow('sem separador')
})
})
describe('entryDateOf', () => {
it('extracts the date from a Recently resolved header', () => {
expect(entryDateOf(ENTRY_2026_08_13)).toBe('2026-08-13')
})
it('returns null for a block without the header', () => {
expect(entryDateOf('bloco sem header')).toBeNull()
})
})
describe('buildChangelog', () => {
const aggregate = `${HEADER}\n\n${ENTRY_2026_08_12}\n`
it('inserts a newer entry before an existing older block', () => {
const content = buildChangelog({
entries: [{ content: ENTRY_2026_08_13 }],
aggregateContent: aggregate,
})
expect(content).toBe(`${HEADER}\n\n${ENTRY_2026_08_13}\n\n${ENTRY_2026_08_12}\n`)
})
it('inserts an older entry after a newer existing block', () => {
const content = buildChangelog({
entries: [{ content: ENTRY_2026_08_12 }],
aggregateContent: `${HEADER}\n\n${ENTRY_2026_08_13}\n`,
})
expect(content).toBe(`${HEADER}\n\n${ENTRY_2026_08_13}\n\n${ENTRY_2026_08_12}\n`)
})
it('is idempotent — a present entry is skipped', () => {
const first = buildChangelog({
entries: [{ content: ENTRY_2026_08_13 }],
aggregateContent: aggregate,
})
const second = buildChangelog({
entries: [{ content: ENTRY_2026_08_13 }],
aggregateContent: first,
})
expect(second).toBe(first)
})
it('skips only on exact equality — a longer entry is not hidden by a prefix', () => {
const content = buildChangelog({
entries: [{ content: `${ENTRY_2026_08_12} detalhes extras.` }, { content: ENTRY_2026_08_13 }],
aggregateContent: aggregate,
})
expect(content).toBe(
`${HEADER}\n\n${ENTRY_2026_08_13}\n\n${ENTRY_2026_08_12}\n\n${ENTRY_2026_08_12} detalhes extras.\n`,
)
})
it('is idempotent for entries with trailing blank lines (trimmed both sides)', () => {
const first = buildChangelog({
entries: [{ content: `${ENTRY_2026_08_13}\n \n\n` }],
aggregateContent: aggregate,
})
const second = buildChangelog({
entries: [{ content: ENTRY_2026_08_13 }],
aggregateContent: first,
})
expect(second).toBe(first)
})
it('inserts an entry without a date header at the top', () => {
const content = buildChangelog({
entries: [{ content: 'bloco sem data' }],
aggregateContent: aggregate,
})
expect(content).toBe(`${HEADER}\n\nbloco sem data\n\n${ENTRY_2026_08_12}\n`)
})
it('trims trailing newlines from entry contents', () => {
const content = buildChangelog({
entries: [{ content: `${ENTRY_2026_08_13}\n\n` }],
aggregateContent: aggregate,
})
expect(content).toBe(`${HEADER}\n\n${ENTRY_2026_08_13}\n\n${ENTRY_2026_08_12}\n`)
})
})
describe('missingLines', () => {
it('returns [] for a pure addition', () => {
expect(missingLines('a\nb\n', 'x\na\nb\n')).toEqual([])
})
it('flags a removed line', () => {
expect(missingLines('a\nb\n', 'a\n')).toEqual(['b'])
})
it('treats a moved line as present (multiset, not position)', () => {
expect(missingLines('a\nb\nc\n', 'c\na\nb\n')).toEqual([])
})
it('flags a line whose count decreases (duplicate lost)', () => {
expect(missingLines('a\na\n', 'a\n')).toEqual(['a'])
})
it('returns distinct missing lines', () => {
expect(missingLines('a\nb\nb\n', 'a\n')).toEqual(['b'])
})
})
describe('CHANGELOG_REWRITE_ESCAPE_RE', () => {
it('matches a standalone changelog-rewrite line in a PR body', () => {
expect(
CHANGELOG_REWRITE_ESCAPE_RE.test('## Notas\n\nchangelog-rewrite: header do agregado mudou'),
).toBe(true)
expect(CHANGELOG_REWRITE_ESCAPE_RE.test('changelog-rewrite:restauração D8')).toBe(true)
})
it('never matches the PR template checkbox text (which cites the token)', () => {
expect(
CHANGELOG_REWRITE_ESCAPE_RE.test(
'- [ ] Se o changelog perdeu linhas de propósito: `changelog-rewrite: <motivo>` no body',
),
).toBe(false)
})
})
describe('assertChangelogAppendOnly', () => {
it('passes on a pure addition with no changelog file touched', () => {
expect(
assertChangelogAppendOnly({
oldAggregate: 'a\nb\n',
newAggregate: 'a\nb\nc\n',
changelogDiff: [{ status: 'A', path: 'docs/changelog/2026-08-13-ops44.md' }],
}),
).toEqual({ ok: true })
})
it('fails when an aggregate line disappears', () => {
const result = assertChangelogAppendOnly({
oldAggregate: 'a\nb\n',
newAggregate: 'a\n',
changelogDiff: [],
})
expect(result.ok).toBe(false)
if (!result.ok) {
expect(result.message).toContain('não é append-only')
expect(result.message).toContain('changelog-rewrite')
}
})
it('passes on an addition inside docs/changelog/', () => {
expect(
assertChangelogAppendOnly({
oldAggregate: 'a\n',
newAggregate: 'a\nb\n',
changelogDiff: [{ status: 'A', path: 'docs/changelog/2026-08-13-ops44.md' }],
}),
).toEqual({ ok: true })
})
it('fails when a docs/changelog file is modified', () => {
const result = assertChangelogAppendOnly({
oldAggregate: 'a\n',
newAggregate: 'a\nb\n',
changelogDiff: [{ status: 'M', path: 'docs/changelog/2026-08-13-ops44.md' }],
})
expect(result.ok).toBe(false)
if (!result.ok) {
expect(result.message).toContain('additions-only')
expect(result.message).toContain('M docs/changelog/2026-08-13-ops44.md')
}
})
it('fails when a docs/changelog file is deleted', () => {
const result = assertChangelogAppendOnly({
oldAggregate: 'a\n',
newAggregate: 'a\n',
changelogDiff: [{ status: 'D', path: 'docs/changelog/2026-08-12-b200.md' }],
})
expect(result.ok).toBe(false)
if (!result.ok) {
expect(result.message).toContain('D docs/changelog/2026-08-12-b200.md')
}
})
})