.travis.yml

sudo: true
language: bash
# ignored on non-linux platforms, but bionic is required for nested virtualization
dist: bionic

stages:
  - install
  - unit_test # custom stage defined in jobs::include section
  - test
  - finalize_coverage # custom stage defined in jobs::include section
  - cache

env:
  global:
    - ABI=x86_64
    - ADB_INSTALL_TIMEOUT=8
    - ANDROID_HOME=${HOME}/android-sdk
    - ANDROID_TOOLS_URL="https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip"
    - EMU_FLAVOR=default # use google_apis flavor if no default flavor emulator
    - GRAVIS="https://raw.githubusercontent.com/DanySK/Gravis-CI/master/"
    - JDK="1.8"
    - TOOLS=${ANDROID_HOME}/tools
    # PATH order is incredibly important. e.g. the 'emulator' script exists in more than one place!
    - PATH=${ANDROID_HOME}:${ANDROID_HOME}/emulator:${TOOLS}:${TOOLS}/bin:${ANDROID_HOME}/platform-tools:${PATH}
    - UNIT_TEST=FALSE # by default we don't run the unit tests, they are run only in specific builds
    - LINT=FALSE # by default we don't lint, they are run only in specific builds
    - FINALIZE_COVERAGE=FALSE # by default we don't finalize coverage, it is done in one specific build
  matrix:
   #- API=15 # only runs locally. Create+Start once from AndroidStudio to init sdcard. Then only from command-line w/-engine classic
   - API=16 ABI=x86 AUDIO=-no-audio
   - API=17 ABI=x86
   #- API=18 ABI=x86 # frequently flaky: test run failed: 'Instrumentation run failed due to 'java.lang.SecurityException''
   - API=19 ABI=x86
   # API 20 was Android Wear only
   - API=21
   - API=22
   - API=23
   - API=24
   - API=25
   #- API=26 # Fails with unrecognized tests? orchestrator change or something?
   - API=27
   - API=28
   - API=29
   - API=24 JDK="1.11" # make sure we work in the future

jobs:
  fast_finish: true  # Report success without waiting for jobs that allowed to fail.
  include:
    # The "test" stage is implicit and gets the main matrix. This adds extra stages/jobs
    - stage: unit_test
      env: UNIT_TEST=TRUE API=NONE
      install: skip
      os: windows
    - stage: unit_test
      env: UNIT_TEST=TRUE API=NONE
      install: skip
      os: osx
    - stage: unit_test
      env: UNIT_TEST=TRUE API=NONE
      install: skip
      os: linux
    - stage: unit_test
      env: LINT=TRUE API=NONE
      install: skip
      os: linux
    - stage: finalize_coverage
      env: FINALIZE_COVERAGE=TRUE API=NONE
      install: skip
      script: echo finalize codacy coverage uploads
  allow_failures:
    - env: API=24 JDK="1.11" # non-default JDKs should not hold up success reporting
    - env: FINALIZE_COVERAGE=TRUE API=NONE # finalizing coverage should not hold up success reporting

before_install:
  # This section may run on all platforms, and may run for unit tests or for coverage finalization
  # It should not make assumptions about os platform or desired tool installation

  # Set up JDK 8 for Android SDK - Java is universally needed: codacy, unit tests, emulators
  - curl "${GRAVIS}.install-jdk-travis.sh" --output ~/.install-jdk-travis.sh
  - export TARGET_JDK="${JDK}"
  - JDK="1.8"
  - source ~/.install-jdk-travis.sh

  # Set up Android SDK - this is needed everywhere but coverage finalization, so toggle on that
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then wget -q "${ANDROID_TOOLS_URL}" -O android-sdk-tools.zip; fi
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then unzip -q android-sdk-tools.zip -d ${ANDROID_HOME}; fi
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then rm android-sdk-tools.zip; fi
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then mkdir ~/.android; fi # avoid harmless sdkmanager warning
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then echo 'count=0' > ~/.android/repositories.cfg; fi # avoid harmless sdkmanager warning
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then yes | sdkmanager --licenses >/dev/null; fi # accept all sdkmanager warnings
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then echo y | sdkmanager --no_https "platform-tools" >/dev/null; fi
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then echo y | sdkmanager --no_https "tools" >/dev/null; fi # A second time per Travis docs, gets latest versions
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then echo y | sdkmanager --no_https "build-tools;28.0.3" >/dev/null; fi # Implicit gradle dependency - gradle drives changes
  - if [ "$FINALIZE_COVERAGE" = "FALSE" ]; then echo y | sdkmanager --no_https "platforms;android-28" >/dev/null; fi # We need the API of the current compileSdkVersion from gradle.properties

install:
  # In our setup, install only runs on matrix entries we want full emulator tests on
  # That only happens currently on linux, so this section can assume linux + emulator is desired
  # Download required emulator tools
  - echo y | sdkmanager --no_https "platforms;android-$API" >/dev/null # We need the API of the emulator we will run
  - echo y | sdkmanager --no_https "emulator" >/dev/null
  - echo y | sdkmanager --no_https "system-images;android-$API;$EMU_FLAVOR;$ABI" >/dev/null # install our emulator

  # Set up KVM on linux for hardware acceleration. Manually here so it only happens for emulator tests, takes ~30s
  - sudo -E apt-get -yq --no-install-suggests --no-install-recommends install bridge-utils libpulse0 libvirt-bin qemu-kvm virtinst ubuntu-vm-builder
  - sudo adduser $USER libvirt
  - sudo adduser $USER kvm

  # Create an Android emulator
  - echo no | avdmanager create avd --force -n test -k "system-images;android-$API;$EMU_FLAVOR;$ABI" -c 10M
  - |
    EMU_PARAMS="-verbose -no-snapshot -no-window -camera-back none -camera-front none -selinux permissive -qemu -m 2048"
    EMU_COMMAND="emulator"
    # This double "sudo" monstrosity is used to have Travis execute the
    # emulator with its new group permissions and help preserve the rule
    # of least privilege.
    sudo -E sudo -u $USER -E bash -c "${ANDROID_HOME}/emulator/${EMU_COMMAND} -avd test ${AUDIO} ${EMU_PARAMS} &"

  # Wait for emulator to be ready
  - ./tools/android-wait-for-emulator.sh
  - adb shell input keyevent 82 &

  # Switch back to our target JDK version to build and run tests
  - JDK="${TARGET_JDK}"
  - source ~/.install-jdk-travis.sh

script:
  - if [ "$UNIT_TEST" = "TRUE" ]; then ./gradlew jacocoUnitTestReport; fi
  - if [ "$LINT" = "TRUE" ]; then ./gradlew lint; fi
  - if [ "$API" != "NONE" ]; then ./gradlew jacocoAndroidTestReport; fi

after_success:
  - if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash tools/upload-codacy-report.sh; fi

before_cache:
  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
  - curl "${GRAVIS}.clean_gradle_cache.sh" --output ~/.clean_gradle_cache.sh
  - bash ~/.clean_gradle_cache.sh > /dev/null

cache:
  directories:
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/

notifications:
  email:
    - github@mikehardy.net