circle.yml

job_config: &job_config
  working_directory: ~/code
  docker:
    - image: circleci/android:api-26-alpha
  resource_class: xlarge
  environment:
    JVM_OPTS: -Xmx4096m
    GRADLE_MAX_PARALLEL_FORKS: 2


version: 2
jobs:
  build:
    << : *job_config
    steps:
      - checkout
      - run:
          name: Calculate Cache Hash
          command: |
            find . \( -name \*.gradle -or -name \*.groovy -or -name \*.sh -or -name \*.rb -or -name circle.yml \) -exec shasum {} \; | sort > .cache-hash
            cat .cache-hash
      - run:
          name: Install Maven
          command: sudo apt-get update; sudo apt-get install maven
      - restore_cache:
          key: cache-{{ checksum ".cache-hash" }}
      - run:
          name: Download Dependencies
          command: |
            sdkmanager --install 'platforms;android-27'
            sdkmanager --install 'platforms;android-P'
            ./scripts/install-dependencies.rb
            ./gradlew prefetchDependencies
      - save_cache:
          paths:
            - ~/.gradle
            - ~/.m2
            - /opt/android/sdk/platforms/android-27
            - /opt/android/sdk/platforms/android-P
          key: cache-{{ checksum ".cache-hash" }}
      - run:
          name: Build
          command: SKIP_JAVADOC=true ./gradlew clean assemble --parallel --stacktrace
      - persist_to_workspace:
          root: ~/code
          paths:
            - ".cache-hash"
            - "[a-zA-Z]*" # not .git

  test_1:
    << : *job_config
    steps:
      - attach_workspace:
          at: ~/code
      - restore_cache:
          key: cache-{{ checksum ".cache-hash" }}
      - run:
          name: Test 1/3
          command: |
            GRADLE_MAX_PARALLEL_FORKS=2 \
                SKIP_JAVADOC=true \
                ./gradlew test --stacktrace --continue \
                --parallel \
                -Drobolectric.enabledSdks=16,17,18,19 \
                -Drobolectric.alwaysIncludeVariantMarkersInTestName=true
      - run:
          name: Collect Test Results
          command: |
            mkdir -p ~/junit/
            find . -type f -regex ".*/build/test-results/.*xml" -exec cp {} ~/junit/ \;
          when: always
      - store_test_results:
          path: ~/junit
      - store_artifacts:
          path: build/reports
          destination: reports

  test_2:
    << : *job_config
    steps:
      - attach_workspace:
          at: ~/code
      - restore_cache:
          key: cache-{{ checksum ".cache-hash" }}
      - run:
          name: Test 2/3
          command: |
            GRADLE_MAX_PARALLEL_FORKS=2 \
                SKIP_JAVADOC=true \
                ./gradlew test --stacktrace --continue \
                --parallel \
                -Drobolectric.enabledSdks=21,22,23,24 \
                -Drobolectric.alwaysIncludeVariantMarkersInTestName=true
      - run:
          name: Collect Test Results
          command: |
            mkdir -p ~/junit/
            find . -type f -regex ".*/build/test-results/.*xml" -exec cp {} ~/junit/ \;
          when: always
      - store_test_results:
          path: ~/junit
      - store_artifacts:
          path: build/reports
          destination: reports

  test_3:
    << : *job_config
    steps:
      - attach_workspace:
          at: ~/code
      - restore_cache:
          key: cache-{{ checksum ".cache-hash" }}
      - run:
          name: Test 3/3
          command: |
            GRADLE_MAX_PARALLEL_FORKS=2 \
                SKIP_JAVADOC=true \
                ./gradlew test --stacktrace --continue \
                --parallel \
                -Drobolectric.enabledSdks=25,26,27,10000 \
                -Drobolectric.alwaysIncludeVariantMarkersInTestName=true
      - run:
          name: Collect Test Results
          command: |
            mkdir -p ~/junit/
            find . -type f -regex ".*/build/test-results/.*xml" -exec cp {} ~/junit/ \;
          when: always
      - store_test_results:
          path: ~/junit
      - store_artifacts:
          path: build/reports
          destination: reports

  finish:
    << : *job_config
    steps:
      - attach_workspace:
          at: ~/code
      - restore_cache:
          key: cache-{{ checksum ".cache-hash" }}
      - run:
          name: Upload Snapshot
          command: |
            if [ "${CIRCLE_BRANCH}" == "master" ]; then
              ./gradlew upload --no-rebuild
            fi

workflows:
  version: 2
  build-and-test:
    jobs:
      - build
      - test_1:
          requires:
            - build
      - test_2:
          requires:
            - build
      - test_3:
          requires:
            - build
      - finish:
          requires:
            - test_1
            - test_2
            - test_3