ci-java7.yaml

# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Github action job to test core java library features on
# downstream client libraries before they are released.
on:
  push:
    branches:
    - main
  pull_request:
name: ci-java7
jobs:
  units:
    name: "units (7)"
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-java@v4
      # setup-java v2 or higher does not have version 1.7
      with:
        java-version: 7
        distribution: zulu
        architecture: x64
    - run: |
        java -version
        # This value is used in "-Djvm=" later
        echo "JAVA7_HOME=${JAVA_HOME}" >> $GITHUB_ENV
    - uses: actions/setup-java@v4
      with:
        java-version: 17
        distribution: zulu
    - name: Set up Maven
      uses: stCarolas/setup-maven@v4.5
      with:
        maven-version: 3.8.8
    - name: Build
      shell: bash
      run: |
        # Leveraging surefire's jvm option, running the test on Java 7.
        # Surefire plugin 2.22.2 is the last version for Java 7. Newer version would fail with 
        # "UnsupportedClassVersionError: org/apache/maven/surefire/booter/ForkedBooter" error.
        
        # Why are these modules are skipped?
        # google-http-client-jackson2 and google-http-client-appengine do not work with Java 7
        # any more because of Jackson and appengine library are compiled for Java 8.
        # dailymotion-simple-cmdline-sample and google-http-client-assembly depend on
        # google-http-client-jackson2 
        mvn --batch-mode --show-version -ntp test \
            --projects '!google-http-client-jackson2,!google-http-client-appengine,!samples/dailymotion-simple-cmdline-sample,!google-http-client-assembly,!google-http-client-apache-v5' \
            -Dclirr.skip=true -Denforcer.skip=true -Dmaven.javadoc.skip=true \
            -Dgcloud.download.skip=true -T 1C \
            -Dproject.surefire.version=2.22.2 \
            -Djvm=${JAVA7_HOME}/bin/java