test(bundle): drive labelCatalog.ts:80 (the /label allowlist's empty prefix) through dist/index.js

__tests__/bundle/labelSyncUnprefixedAllowlist.test.ts

@@ -0,0 +1,71 @@
+import type { FakeGithub } from './fakeGithub'
+import { Buffer } from 'node:buffer'
+import { afterAll, afterEach, beforeAll, describe, expect, it, vi } from 'vitest'
+
+import labelFileContents from '../fixtures/labels/labelFileContentsResp.json'
+import { start } from './fakeGithub'
+import { configReads, helpersFor, repo, token } from './helpers'
+import { runBundle } from './runBundle'
+
+vi.setConfig({ testTimeout: 30_000 })
+
+const labelsRead = `GET ${repo}/labels?per_page=100`
+
+function yamlFile(text: string) {
+  const file = structuredClone(labelFileContents)
+  file.content = Buffer.from(text).toString('base64')
+  return file
+}
+
+// the `/label` allowlist is the one registry section with an empty prefix (prefix: '' in
+// src/labels/prefixed.ts): the catalog must emit its values verbatim, never as `labels/<value>`
+describe('dist/index.js label-sync with the /label allowlist', () => {
+  let gh: FakeGithub
+  const { expectRequests } = helpersFor(() => gh)
+
+  beforeAll(async () => {
+    gh = await start()
+  })
+  afterEach(() => gh.reset())
+  afterAll(() => gh.close())
+
+  it('creates the labels section values unprefixed while a prefixed section keeps its prefix', async () => {
+    const config = yamlFile([
+      'labels:',
+      '  kind: [bug]',
+      '  labels:',
+      '    - documentation',
+      '    - name: question',
+      '      color: D876E3',
+      '      description: Further information is requested',
+      '',
+    ].join('\n'))
+    gh.route('GET', '/repos/Codertocat/.project/contents/prow.yaml', { status: 200, body: config })
+    gh.route('GET', `${repo}/labels`, { status: 200, body: [] })
+    gh.route('POST', `${repo}/labels`, { status: 201, body: {} })
+
+    const result = await runBundle({
+      eventName: 'workflow_dispatch',
+      payload: {},
+      inputs: { ...token, jobs: 'label-sync' },
+      apiUrl: gh.url,
+    })
+
+    expect(result.status, result.stdout).toBe(0)
+    expect(result.errors).toEqual([])
+    const posts = gh.requestsMatching('POST', /\/labels$/)
+    const names = posts.map(p => (p.body as { name: string }).name)
+    expect(names).toContain('documentation')
+    expect(names).toContain('question')
+    expect(names).toContain('kind/bug')
+    expect(names.some(name => name.startsWith('labels/'))).toBe(false)
+    expect(posts.find(p => (p.body as { name: string }).name === 'documentation')!.body).toEqual({ name: 'documentation' })
+    expect(posts.find(p => (p.body as { name: string }).name === 'question')!.body).toEqual({
+      name: 'question',
+      color: 'd876e3',
+      description: 'Further information is requested',
+    })
+    expect(result.stdout).toContain(`label-sync: created ${names.length} [${names.join(', ')}], updated 0 [], unchanged 0, failed 0`)
+    expectRequests([...configReads({ org: '.project' }), labelsRead], names.map(() => `POST ${repo}/labels`))
+  })
+})