.github/workflows/ci.yaml

on:
  push:
    branches:
      - main
  pull_request:
name: ci
env:
  SHOWCASE_VERSION: 0.26.0
jobs:
  build:
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        java: [ 11, 17 ]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-java@v3
        with:
          java-version: ${{ matrix.java }}
          distribution: temurin
          cache: maven
      - run: java -version
      - name: Unit Tests
        run: |
          mvn test --batch-mode --no-transfer-progress -Dcheckstyle.skip \
              -Dfmt.skip -DenableTestCoverage
      - run: bazelisk version
      - name: Install maven modules
        run: |
          mvn install -B -ntp -DskipTests -Dclirr.skip -Dcheckstyle.skip
      - name: Integration Tests
        run: |
          bazelisk --batch test //test/integration/...
      - name: Gradle Build Generated Storage Client Library
        run: |
          echo "Building Storage lib from generated source..."
          mkdir /tmp/java-storage
          bazelisk --batch build @com_google_googleapis//google/storage/v2:google-cloud-storage-v2-java
          tar zxvf bazel-bin/external/com_google_googleapis/google/storage/v2/google-cloud-storage-v2-java.tar.gz -C /tmp/java-storage
          pushd /tmp/java-storage/google-cloud-storage-v2-java
          ./gradlew clean build publishToMavenLocal sourcesJar allJars
          popd

      - name: Gradle Build Generated Compute Client Library
        run: |
          echo "Building Compute lib from generated source..."
          mkdir /tmp/java-compute
          bazelisk --batch build @com_google_googleapis//google/cloud/compute/v1small:google-cloud-compute-small-v1-java
          tar zxvf bazel-bin/external/com_google_googleapis/google/cloud/compute/v1small/google-cloud-compute-small-v1-java.tar.gz -C /tmp/java-compute
          pushd /tmp/java-compute/google-cloud-compute-small-v1-java
          ./gradlew clean build publishToMavenLocal sourcesJar allJars
          popd

  build-java8-except-gapic-generator-java:
    name: "build(8) except for gapic-generator-java"
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      # Java 8 tests uses JDK 11 to compile and JDK 8 to run tests.
      - uses: actions/setup-java@v3
        with:
          java-version: 8
          distribution: temurin
          cache: maven
      - run: echo "JAVA8_HOME=${JAVA_HOME}" >> $GITHUB_ENV
      - uses: actions/setup-java@v3
        with:
          java-version: 11
          distribution: temurin
      - run: echo "JAVA11_HOME=${JAVA_HOME}" >> $GITHUB_ENV
      - name: Compile with Java 11
        shell: bash
        run: |
          set -x
          export JAVA_HOME=$JAVA11_HOME
          export PATH=${JAVA_HOME}/bin:$PATH
          # Why not compile? It's because the process needs to package jar so
          # that gapic-generator-java module can use testlib modules of gax.
          mvn verify --batch-mode --no-transfer-progress -Dcheckstyle.skip \
              -DskipTests -Dfmt.skip
      - name: Run test with Java 8 for all modules except gapic-generator-java
        shell: bash
        run: |
          set -x
          export JAVA_HOME=$JAVA8_HOME
          export PATH=${JAVA_HOME}/bin:$PATH
          # useIncrementalCompilation=false to avoid recompiling classes
          # generated by Java 11 compiler above.
          mvn -B -ntp test  --projects '!gapic-generator-java' \
              -Dcheckstyle.skip -Dmaven.compiler.useIncrementalCompilation=false \
              -Dfmt.skip

  build-java8-gapic-generator-java:
    name: "build(8) for gapic-generator-java"
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-java@v3
        with:
          java-version: 11
          distribution: temurin
          cache: maven
      - name: Install all modules using Java 11
        shell: bash
        run: |
          mvn -V -B -ntp clean install -DskipTests
      - uses: actions/setup-java@v3
        with:
          java-version: 8
          distribution: temurin
      - run: java -version
      - name: Run tests in Java 8 with the source compiled in Java 11 for gapic-generator-java
        shell: bash
        run: |
          mvn -V -B -ntp surefire:test --projects 'gapic-generator-java'
      - run: bazelisk version
      - name: Integration Tests
        run: |
          bazelisk --batch test //test/integration/...
      - name: Gradle Build Generated Storage Client Library
        run: |
          echo "Building Storage lib from generated source..."
          mkdir /tmp/java-storage
          bazelisk --batch build @com_google_googleapis//google/storage/v2:google-cloud-storage-v2-java
          tar zxvf bazel-bin/external/com_google_googleapis/google/storage/v2/google-cloud-storage-v2-java.tar.gz -C /tmp/java-storage
          pushd /tmp/java-storage/google-cloud-storage-v2-java
          ./gradlew clean build publishToMavenLocal sourcesJar allJars
          popd

      - name: Gradle Build Generated Compute Client Library
        run: |
          echo "Building Compute lib from generated source..."
          mkdir /tmp/java-compute
          bazelisk --batch build @com_google_googleapis//google/cloud/compute/v1small:google-cloud-compute-small-v1-java
          tar zxvf bazel-bin/external/com_google_googleapis/google/cloud/compute/v1small/google-cloud-compute-small-v1-java.tar.gz -C /tmp/java-compute
          pushd /tmp/java-compute/google-cloud-compute-small-v1-java
          ./gradlew clean build publishToMavenLocal sourcesJar allJars
          popd

  lint:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-java@v3
        with:
          java-version: 11
          distribution: temurin
          cache: maven
      - run: java -version
      - name: Java Linter
        # Exclude the root project
        run: mvn -B -ntp fmt:check

  compatibility:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-java@v3
        with:
          java-version: 11
          distribution: temurin
          cache: maven
      - run: java -version
      - name: Compatibility check
        #  package jar so that gapic-generator-java module can use
        #  testlib modules of gax
        run: mvn package clirr:check -DskipTests

  showcase:
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        java: [ 11, 17 ]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-java@v3
        with:
          java-version: ${{ matrix.java }}
          distribution: temurin
      - run: mvn -version
      - name: Install maven modules
        run: |
          mvn install -B -ntp -DskipTests -Dclirr.skip -Dcheckstyle.skip
      - name: Java Linter
        working-directory: showcase
        run: |
          mvn -B -ntp fmt:check
      - name: Showcase golden tests
        working-directory: showcase
        run: |
          mvn test \
            -P enable-golden-tests \
            --batch-mode \
            --no-transfer-progress

      - name: Install showcase server
        run: |
          sudo mkdir -p /usr/src/showcase
          sudo chown -R ${USER} /usr/src/
          curl --location https://github.com/googleapis/gapic-showcase/releases/download/v${SHOWCASE_VERSION}/gapic-showcase-${SHOWCASE_VERSION}-linux-amd64.tar.gz --output /usr/src/showcase/showcase-${SHOWCASE_VERSION}-linux-amd64.tar.gz
          cd /usr/src/showcase/
          tar -xf showcase-*
          ./gapic-showcase run &
          cd -
      - name: Showcase integration tests
        working-directory: showcase
        run: |
          mvn verify \
            -P enable-integration-tests \
            --batch-mode \
            --no-transfer-progress