.travis.yml

# modified version of https://github.com/ankidroid/Anki-Android/blob/master/.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:
    - COMPILE_API=29 # sync with compileSdkVersion
    - ANDROID_BUILD_TOOLS=29.0.2
    - 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}
    # fix gradle output
    - TERM=dumb
  matrix:
   - API=21 # Android 5.0
   - API=26 # Android 8.0
   - API=29 # Android 10.0

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
  - wget -q "${ANDROID_TOOLS_URL}" -O android-sdk-tools.zip
  - unzip -q android-sdk-tools.zip -d ${ANDROID_HOME}
  - rm android-sdk-tools.zip
  - mkdir ~/.android
  - echo 'count=0' > ~/.android/repositories.cfg
  - yes | sdkmanager --licenses >/dev/null
  - echo y | sdkmanager --no_https "platform-tools" >/dev/null
  - echo y | sdkmanager --no_https "tools" >/dev/null
  - echo y | sdkmanager --no_https "build-tools;${ANDROID_BUILD_TOOLS}" >/dev/null
  - echo y | sdkmanager --no_https "platforms;android-${COMPILE_API}" >/dev/null

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
  - |
    bootanim=""
    failcounter=0
    timeout_in_sec=600 # 10 minutes
    
    until [[ "$bootanim" =~ "stopped" ]]; do
      bootanim=`adb -e shell getprop init.svc.bootanim 2>&1 &`
      if [[ "$bootanim" =~ "device not found" || "$bootanim" =~ "device offline"
        || "$bootanim" =~ "running" || "$bootanim" =~  "error: no emulators found" ]]; then
        let "failcounter += 1"
        echo "Waiting for emulator to start"
        if [[ $failcounter -gt timeout_in_sec ]]; then
          echo "Timeout ($timeout_in_sec seconds) reached; failed to start emulator"
          exit 1
        fi
      fi
      sleep 1
    done
    
    echo "Emulator is ready"
  - adb shell input keyevent 82 &
  # disable animations for more reliable tests
  - adb shell settings put global window_animation_scale 0
  - adb shell settings put global transition_animation_scale 0
  - adb shell settings put global animator_duration_scale 0

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

before_script:
  - adb -e logcat | tee logcat.log > /dev/null 2>&1 &

script:
  - ./gradlew assembleDebug
  - ./gradlew test
  - ./gradlew testDebug
  - ./gradlew connectedDebugAndroidTest

after_script:
  # Uncomment the line below to kill adb and show logcat output.
  - echo " LOGCAT "; echo "========"; cat logcat.log; pkill -KILL -f adb

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/