test.yml

name: Tests

on:
    workflow_dispatch:
    pull_request:
        branches:
            - main
    workflow_call:

# Set default permissions for all jobs
permissions:
    contents: read # Needed to check out code
    checks: write # Needed to report test results
    pull-requests: write # Needed to add comments/annotations to PRs

jobs:
    test:
        runs-on: ubuntu-latest
        steps:
            - name: Checkout code
              uses: actions/checkout@v4

            - name: Setup Node.js environment
              uses: actions/setup-node@v4
              with:
                  node-version: 20.15.1

            # Setup Python for coverage script
            - name: Setup Python
              uses: actions/setup-python@v4
              with:
                  python-version: "3.10"

            - name: Install Python dependencies
              run: |
                  python -m pip install --upgrade pip
                  pip install requests

            # Cache root dependencies - only reuse if package-lock.json exactly matches
            - name: Cache root dependencies
              uses: actions/cache@v4
              id: root-cache
              with:
                  path: node_modules
                  key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}

            # Cache webview-ui dependencies - only reuse if package-lock.json exactly matches
            - name: Cache webview-ui dependencies
              uses: actions/cache@v4
              id: webview-cache
              with:
                  path: webview-ui/node_modules
                  key: ${{ runner.os }}-npm-webview-${{ hashFiles('webview-ui/package-lock.json') }}

            - name: Install root dependencies
              if: steps.root-cache.outputs.cache-hit != 'true'
              run: npm ci

            - name: Install webview-ui dependencies
              if: steps.webview-cache.outputs.cache-hit != 'true'
              run: cd webview-ui && npm ci

            - name: Type Check
              run: npm run check-types

            - name: ESLint Check
              run: npm run lint

            - name: Prettier / Format Check
              run: npm run format

            # Build the extension before running tests
            - name: Build Extension
              run: npm run compile

            # Run extension tests with coverage
            - name: Extension Tests with Coverage
              id: extension_coverage
              continue-on-error: true
              run: |
                  xvfb-run -a npm run test:coverage > extension_coverage.txt 2>&1 || true
                  PYTHONPATH=.github/scripts python -m coverage_check extract-coverage extension_coverage.txt --type=extension --github-output --verbose

            # Run webview tests with coverage
            - name: Webview Tests with Coverage
              id: webview_coverage
              continue-on-error: true
              run: |
                  cd webview-ui
                  # Ensure coverage dependency is installed
                  npm install --no-save @vitest/coverage-v8
                  npm run test:coverage > webview_coverage.txt 2>&1 || true
                  cd ..
                  PYTHONPATH=.github/scripts python -m coverage_check extract-coverage webview-ui/webview_coverage.txt --type=webview --github-output --verbose

            # Save coverage reports as artifacts (workflow-scoped)
            - name: Save Coverage Reports
              uses: actions/upload-artifact@v4
              with:
                  name: pr-coverage-reports
                  path: |
                      extension_coverage.txt
                      webview-ui/webview_coverage.txt
                  retention-period: workflow # Artifacts are automatically deleted when the workflow completes

    coverage:
        needs: test
        runs-on: ubuntu-latest
        # Only run on PRs to main branch
        if: github.event_name == 'pull_request' && github.base_ref == 'main'
        steps:
            - name: Checkout code
              uses: actions/checkout@v4
              with:
                  fetch-depth: 0 # Fetch all history for accurate comparison

            # Setup Python for coverage script
            - name: Setup Python
              uses: actions/setup-python@v4
              with:
                  python-version: "3.10"

            - name: Install Python dependencies
              run: |
                  python -m pip install --upgrade pip
                  pip install requests

            - name: Setup Node.js environment
              uses: actions/setup-node@v4
              with:
                  node-version: 20.15.1

            # Cache root dependencies - only reuse if package-lock.json exactly matches
            - name: Cache root dependencies
              uses: actions/cache@v4
              id: root-cache
              with:
                  path: node_modules
                  key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}

            # Cache webview-ui dependencies - only reuse if package-lock.json exactly matches
            - name: Cache webview-ui dependencies
              uses: actions/cache@v4
              id: webview-cache
              with:
                  path: webview-ui/node_modules
                  key: ${{ runner.os }}-npm-webview-${{ hashFiles('webview-ui/package-lock.json') }}

            - name: Install root dependencies
              if: steps.root-cache.outputs.cache-hit != 'true'
              run: npm ci

            - name: Install webview-ui dependencies
              if: steps.webview-cache.outputs.cache-hit != 'true'
              run: cd webview-ui && npm ci

            # Build the extension before running tests
            - name: Build Extension
              run: npm run compile

            # Download coverage artifacts from test job
            - name: Download Coverage Reports
              uses: actions/download-artifact@v4
              with:
                  name: pr-coverage-reports
                  path: . # Download to root directory to match expected paths

            # Process coverage workflow
            - name: Process coverage workflow
              id: coverage
              run: |
                  # Extract PR number from GITHUB_REF
                  PR_NUMBER=$(echo "$GITHUB_REF" | sed -e 's/refs\/pull\///' -e 's/\/merge//')

                  # Run the coverage workflow from root directory
                  PYTHONPATH=.github/scripts python -m coverage_check process-workflow \
                    --base-branch ${{ github.base_ref }} \
                    --pr-number $PR_NUMBER \
                    --repo $GITHUB_REPOSITORY \
                    --token ${{ secrets.GITHUB_TOKEN }} \
                    --verbose
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}