e2e.yml

name: E2E Tests (Mocked)

on:
    workflow_dispatch:
    pull_request:
        types: [opened, reopened, ready_for_review, synchronize]
    merge_group:
        types: [checks_requested]

permissions:
    contents: read

jobs:
    e2e-mock:
        runs-on: ubuntu-latest
        timeout-minutes: 30
        steps:
            - name: Checkout code
              uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4

            - name: Restore mocked E2E pass marker
              id: e2e-marker
              uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
              with:
                  path: .cache/e2e-pass
                  # packages/** is intentionally broader than the old packages/core/** to avoid false cache hits when any package changes
                  # base_ref is included to prevent same-repo branches from stuffing a pass marker for a different base
                  key: ${{ runner.os }}-mocked-e2e-${{ github.base_ref }}-${{ hashFiles('src/**', 'webview-ui/**', 'apps/vscode-e2e/**', 'packages/**', 'package.json', 'pnpm-lock.yaml', 'pnpm-workspace.yaml', 'turbo.json', '.github/workflows/e2e.yml', '.github/actions/setup-node-pnpm/**') }}

            - name: Use cached mocked E2E result
              if: github.event_name == 'pull_request' && steps.e2e-marker.outputs.cache-hit == 'true'
              run: echo "Skipping mocked E2E tests because this source hash already passed."

            - name: Setup Node.js and pnpm
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              uses: ./.github/actions/setup-node-pnpm
            - name: Install xvfb
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              run: sudo apt-get install -y xvfb

            - name: Get VS Code version from package.json
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              id: vscode-ver
              run: |
                  VERSION=$(node -p 'require("./apps/vscode-e2e/package.json").devDependencies["@types/vscode"]')
                  echo "version=$VERSION" >> $GITHUB_OUTPUT

            - name: Restore VS Code test binary cache
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              id: vscode-cache
              uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
              with:
                  path: |
                      apps/vscode-e2e/.vscode-test/
                  key: vscode-test-${{ runner.os }}-${{ steps.vscode-ver.outputs.version }}-v1
                  # Fall back to the most recent stale binary so a version bump or cache
                  # eviction doesn't force a download when the VS Code CDN is unreachable.
                  restore-keys: |
                      vscode-test-${{ runner.os }}-

            - name: Probe VS Code download endpoints
              if: (github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true') && steps.vscode-cache.outputs.cache-hit != 'true'
              id: vscode-probe
              # The version-resolution API and the archive CDN are different hosts. The
              # archive URL 302-redirects to the CDN, so a HEAD probe that follows the
              # redirect covers both. The fallback engages when either is unreachable.
              run: |
                  API_OK=false
                  CDN_OK=false
                  if curl -sf --max-time 10 https://update.code.visualstudio.com/api/releases/stable > /dev/null; then
                      API_OK=true
                  fi
                  if curl -sfIL --max-time 20 -o /dev/null "https://update.code.visualstudio.com/${{ steps.vscode-ver.outputs.version }}/linux-x64/stable"; then
                      CDN_OK=true
                  fi
                  if [ "$API_OK" = "true" ] && [ "$CDN_OK" = "true" ]; then
                      echo "reachable=true" >> "$GITHUB_OUTPUT"
                  else
                      echo "reachable=false" >> "$GITHUB_OUTPUT"
                      echo "::warning::VS Code download endpoints unreachable (api=$API_OK, cdn=$CDN_OK); will try the stale cached binary"
                  fi

            # @vscode/test-electron only skips its live version-resolution request when the
            # requested version already exists in .vscode-test/. On an exact-key miss it calls
            # the update API before its download retry loop, so an unreachable CDN fails the
            # job before any test runs. When the endpoints are down, point the runner at the
            # stale binary restored above (runTest.ts honors VSCODE_VERSION) so the suite
            # still runs.
            - name: Fall back to stale VS Code binary when CDN is unreachable
              if: (github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true') && steps.vscode-cache.outputs.cache-hit != 'true' && steps.vscode-probe.outputs.reachable == 'false'
              id: vscode-fallback
              run: |
                  STALE=$(ls -d apps/vscode-e2e/.vscode-test/vscode-linux-x64-* 2>/dev/null | sort -V | tail -n 1 || true)
                  if [ -n "$STALE" ]; then
                      echo "VSCODE_VERSION=${STALE##*-}" >> "$GITHUB_ENV"
                      echo "used=true" >> "$GITHUB_OUTPUT"
                      echo "VS Code download endpoints are unreachable; falling back to cached VS Code ${STALE##*-}"
                  else
                      echo "::warning::VS Code download endpoints are unreachable and no cached binary is available; the download step will retry but may fail"
                  fi

            # Retry only the binary download: version resolution and the archive fetch are
            # the network-fragile parts. Genuine test failures should fail fast, so the
            # test step itself is deliberately not retried.
            - name: Download VS Code test binary
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              id: vscode-download
              run: |
                  cd apps/vscode-e2e
                  for attempt in 1 2 3; do
                      if node -e "const { downloadAndUnzipVSCode } = require('@vscode/test-electron'); const version = process.env.VSCODE_VERSION || require('./package.json').devDependencies['@types/vscode']; downloadAndUnzipVSCode(version).catch((err) => { console.error(err); process.exit(1); });"; then
                          exit 0
                      fi
                      echo "VS Code download attempt ${attempt} failed"
                      if [ "$attempt" -lt 3 ]; then
                          sleep 15
                      fi
                  done
                  exit 1

            # restore-keys can bring back older binaries alongside the one just
            # downloaded; keep only the effective version so each saved cache entry
            # stays at one binary instead of growing with every version bump.
            - name: Prune stale VS Code binaries
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              run: |
                  EFFECTIVE="${VSCODE_VERSION:-${{ steps.vscode-ver.outputs.version }}}"
                  for dir in apps/vscode-e2e/.vscode-test/vscode-linux-x64-*; do
                      [ -e "$dir" ] || continue
                      if [ "$(basename "$dir")" != "vscode-linux-x64-$EFFECTIVE" ]; then
                          echo "Pruning stale VS Code binary $(basename "$dir")"
                          rm -rf "$dir"
                      fi
                  done

            # Skip the save when the stale-binary fallback ran: the pinned-version key
            # must not be populated with an older binary.
            - name: Save VS Code test binary cache
              if: (github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true') && steps.vscode-cache.outputs.cache-hit != 'true' && steps.vscode-fallback.outputs.used != 'true'
              continue-on-error: true
              uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
              with:
                  path: |
                      apps/vscode-e2e/.vscode-test/
                  key: vscode-test-${{ runner.os }}-${{ steps.vscode-ver.outputs.version }}-v1

            - name: Run mocked E2E tests
              id: run-e2e
              # merge_group and workflow_dispatch always run; cache skip is pull_request only
              if: github.event_name != 'pull_request' || steps.e2e-marker.outputs.cache-hit != 'true'
              run: xvfb-run -a pnpm --filter @roo-code/vscode-e2e test:ci:mock

            - name: Explain skipped mocked E2E pass marker
              if: steps.e2e-marker.outputs.cache-hit != 'true' && steps.run-e2e.outcome == 'success' && steps.vscode-fallback.outputs.used == 'true'
              run: echo "Skipping mocked E2E pass marker because tests ran against a stale cached VS Code binary (VS Code download endpoints unreachable)."

            - name: Write mocked E2E pass marker
              # Skip when the stale-binary fallback ran: a pass against an older VS Code
              # must not mint a marker for the intended-version source hash.
              if: steps.e2e-marker.outputs.cache-hit != 'true' && steps.run-e2e.outcome == 'success' && steps.vscode-fallback.outputs.used != 'true'
              run: mkdir -p .cache/e2e-pass && date -u > .cache/e2e-pass/passed

            - name: Save mocked E2E pass marker
              if: steps.e2e-marker.outputs.cache-hit != 'true' && steps.run-e2e.outcome == 'success' && steps.vscode-fallback.outputs.used != 'true'
              continue-on-error: true
              uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
              with:
                  path: .cache/e2e-pass
                  key: ${{ steps.e2e-marker.outputs.cache-primary-key }}