e2e.yml

name: E2E Tests

# Run E2E tests separately from main CI to avoid blocking PRs with flaky tests
# These tests may be unstable due to timing, process management, or runner environment
env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

on:
  # Manual trigger
  workflow_dispatch:
    inputs:
      test_filter:
        description: 'Test filter pattern (e.g., TestDaemonAutoRestart)'
        required: false
        default: ''

  # Nightly run
  schedule:
    - cron: '0 2 * * *'  # 2 AM UTC daily

  # Run after PR merge to main
  workflow_run:
    workflows: ["CI"]
    types: [completed]
    branches: [main]

jobs:
  e2e-tests:
    name: E2E Tests
    runs-on: ubuntu-latest
    # Only run on workflow_run if CI passed
    if: |
      github.event_name != 'workflow_run' ||
      github.event.workflow_run.conclusion == 'success'

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 22

      - name: Build Web UI
        working-directory: web
        run: |
          npm ci
          npm run build

      - name: Read Go version
        id: goversion
        run: echo "version=$(grep '^go ' go.mod | awk '{print $2}')" >> "$GITHUB_OUTPUT"

      - uses: actions/setup-go@v5
        with:
          go-version: ${{ steps.goversion.outputs.version }}

      - name: Build binary
        run: go build -o bin/zen .

      - name: Run E2E Tests
        run: |
          if [ -n "${{ github.event.inputs.test_filter }}" ]; then
            go test -v -timeout 600s -run "${{ github.event.inputs.test_filter }}" ./tests/...
          else
            go test -v -timeout 600s ./tests/...
          fi
        # Note: SKIP_FLAKY_TESTS is not set, so E2E tests will run

      - name: Upload test results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: e2e-test-results
          path: |
            *.log
            /tmp/zen-*
          retention-days: 7

      - name: Comment on PR (if triggered by workflow_run)
        if: github.event_name == 'workflow_run' && failure()
        uses: actions/github-script@v7
        with:
          script: |
            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
            const message = `⚠️ E2E tests failed after merge to main.\n\n[View run](${runUrl})`;

            // Find the PR that was merged
            const { data: prs } = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'closed',
              sort: 'updated',
              direction: 'desc',
              per_page: 10
            });

            const mergedPR = prs.find(pr =>
              pr.merge_commit_sha === context.payload.workflow_run.head_sha
            );

            if (mergedPR) {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: mergedPR.number,
                body: message
              });
            }

  # Summary job for easy status checking
  e2e-summary:
    name: E2E Summary
    runs-on: ubuntu-latest
    needs: [e2e-tests]
    if: always()
    steps:
      - name: Check E2E results
        run: |
          if [ "${{ needs.e2e-tests.result }}" == "success" ]; then
            echo "✅ All E2E tests passed"
            exit 0
          elif [ "${{ needs.e2e-tests.result }}" == "failure" ]; then
            echo "❌ E2E tests failed"
            exit 1
          else
            echo "⚠️ E2E tests were skipped or cancelled"
            exit 0
          fi