test(ci): [CI-01] checkpoint verified Ads installed browser coverage

test/helpers/browser-candidate.js

@@ -0,0 +1,22 @@
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+import process from 'node:process'
+import { fileURLToPath } from 'node:url'
+import { hash } from '../../refactor/scripts/releases.mjs'
+import { verifyInstalledArtifacts } from '../../scripts/installed-artifacts.mjs'
+import { compilePackage } from './load.js'
+
+const root = fileURLToPath(new URL('../../', import.meta.url))
+
+export async function browserCandidate(name, artifact) {
+  const map = process.env.ARTPLAYER_BROWSER_ARTIFACTS
+  if (map) {
+    assert(!artifact, `Installed browser checks cannot override ${name} artifact`)
+    const { inputs } = verifyInstalledArtifacts(root, map, ['artplayer', 'artplayer-plugin-chapter', name])
+    const input = inputs.find(input => input.name === name)
+    const code = fs.readFileSync(input.file, 'utf8')
+    return { code, provenance: { kind: 'installed', ...input } }
+  }
+  const code = artifact ? fs.readFileSync(artifact, 'utf8') : await compilePackage(name, 'umd')
+  return { code, provenance: { kind: artifact ? 'explicit-artifact' : 'source-build', file: artifact || null, sha256: hash(code) } }
+}