ci: check changed-file formatting (#557)

tests/config/frontend-workflow.spec.ts

@@ -0,0 +1,22 @@
+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { describe, expect, it } from 'vitest'
+
+const workflowPath = resolve(process.cwd(), '.github/workflows/test.yml')
+
+describe('前端 Pull Request workflow', () => {
+  it('使用只读的变更文件格式检查，并显式比较事件 base/head SHA', () => {
+    const workflow = readFileSync(workflowPath, 'utf8')
+    const formatJob = workflow.match(/\n {2}format:\n(?<job>[\s\S]*?)(?=\n {2}[\w-]+:\n|$)/)?.groups?.job
+
+    expect(workflow).toContain('permissions:\n  contents: read')
+    expect(formatJob).toBeDefined()
+    expect(formatJob).toContain('fetch-depth: 0')
+    expect(formatJob).toContain("node-version: '24'")
+    expect(formatJob).toContain('run: yarn --frozen-lockfile')
+    expect(formatJob).toContain('BASE_SHA: ${{ github.event.pull_request.base.sha }}')
+    expect(formatJob).toContain('HEAD_SHA: ${{ github.event.pull_request.head.sha }}')
+    expect(formatJob).toContain('run: yarn format:check --base "$BASE_SHA" --head "$HEAD_SHA"')
+    expect(formatJob).not.toContain('--write')
+  })
+})