unit-tests-on-pr.yml

name: Run unit test on PR

on:
  pull_request:
    types: [opened, synchronize, reopened]

jobs:
  build_and_preview:
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - name: Setup GH Actions
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          
      - run: |
          npx @puppeteer/browsers install chromedriver@stable

      - name: Get stable flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: '3.22.x'
          channel: 'stable'
      
      - name: Prepare build directory
        run: |
          flutter clean
          rm -rf build/*
          rm -rf web/src/mm2/*
          rm -rf web/src/kdfi/*
          rm -rf web/dist/*

      - name: Fetch packages and generate assets
        run: |
          echo "Running \`flutter build\` to generate assets for the deployment build"
          flutter pub get > /dev/null 2>&1
          flutter build web --release > /dev/null 2>&1 || true
          flutter pub get > /dev/null 2>&1
          flutter build web --release > /dev/null 2>&1 || true
          echo "Done fetching packages and generating assets"
          
      - name: Validate build
        run: |
          # Check that the web build folder contains a wasm file in the format build/web/dist/*.wasm
          if [ ! -f build/web/dist/*.wasm ]; then
            echo "Error: Web build failed. No wasm file found in build/web/dist/"
            # List files for debugging
            echo "Listing files in build/web recursively"
            ls -R build/web

            echo "Listing files in web recursively"
            ls -R web

            exit 1
          fi
          # Check that the index.html is present and that it is equal to the source index.html
          if ! cmp -s web/index.html build/web/index.html; then
            echo "Error: Web build failed. index.html is not equal to the source index.html"
            exit 1
          fi
          # Check that the index.html has uncommitted changes to ensure that the placeholder was replaced with the generated content
          if git diff --exit-code web/index.html; then
            echo "Error: Web build failed. index.html has no uncommitted changes which indicates an issue with the \`template.html\` to \`index.html\` generation"
            exit 1
          fi
          # Decode the AssetManifest.bin and check for the coin icon presence
          if [ ! -f build/web/assets/AssetManifest.bin ]; then
            echo "Error: AssetManifest.bin file not found."
            exit 1
          fi
          if ! strings build/web/assets/AssetManifest.bin | grep -q "assets/coin_icons/png/kmd.png"; then
            echo "Error: Coin icon not found in AssetManifest.bin"
            exit 1
          fi

      - name: Test unit_test (unix)
        id: unit_tests
        continue-on-error: false
        timeout-minutes: 15
        run: |
          flutter test test_units/main.dart