.travis.yml

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

services:
 - docker

before_cache:
  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
cache:
  directories:
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/
    - $HOME/.android/build-cache

env:
  global:
    - API=21 # Android API level 21 by default
    - EMU_FLAVOR=default # use google_apis flavor if no default flavor emulator
    - ABI=x86_64
    - ADB_INSTALL_TIMEOUT=8 # minutes (2 minutes by default)
    - GRAVIS="https://raw.githubusercontent.com/DanySK/Gravis-CI/master/"
    - JDK="1.8"
    - ANDROID_HOME=${HOME}/android-sdk
    - ANDROID_TOOLS_URL="https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip"
    - TOOLS=${ANDROID_HOME}/tools # PATH order matters, exists more than one emulator script
    - PATH=${ANDROID_HOME}:${ANDROID_HOME}/emulator:${TOOLS}:${TOOLS}/bin:${ANDROID_HOME}/platform-tools:${PATH}

before_install:
  # 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}"
  - source ~/.install-jdk-travis.sh
  - wget -q "${ANDROID_TOOLS_URL}" -O android-sdk-tools.zip
  - unzip -q android-sdk-tools.zip -d ${ANDROID_HOME}
  - rm android-sdk-tools.zip
  - echo 'count=0' > ~/.android/repositories.cfg # avoid harmless sdkmanager warning
  - yes | sdkmanager --licenses >/dev/null # accept all sdkmanager warnings
  - echo y | sdkmanager --no_https "platform-tools" >/dev/null
  - echo y | sdkmanager --no_https "tools" >/dev/null # A second time per Travis docs, gets latest versions
  - echo y | sdkmanager --no_https "build-tools;28.0.3" >/dev/null # Implicit gradle dependency - gradle drives changes
  - echo y | sdkmanager --no_https "platforms;android-28" >/dev/null # We need the API of the current compileSdkVersion from gradle.properties

  - export EMULATOR="system-images;android-${API};${EMU_FLAVOR};${ABI}" # Used to install/create emulator
  - docker build -t rpicheck/test-sshd ./ssh/src/test/resources/
  - docker run -d -p 127.0.0.1:2222:22 rpicheck/test-sshd

install:
  # List and delete unnecessary components to free space
  - sdkmanager --list || true
  # Update sdk tools to latest version and install/update components
  - echo yes | sdkmanager "platforms;android-28" >/dev/null # Latest platform required by SDK tools
  - echo yes | sdkmanager "platforms;android-${API}" >/dev/null # Android platform required by emulator
  - echo yes | sdkmanager "extras;android;m2repository" >/dev/null
  - echo yes | sdkmanager "extras;google;m2repository" >/dev/null
  - echo yes | sdkmanager "emulator" >/dev/null   # latest emulator
  - echo yes | sdkmanager "$EMULATOR"  >/dev/null # Install emulator system image
  # 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
  # Check components status
  - sdkmanager --list || true
  - echo $PATH

before_script:
  # Create and start emulator
  - echo no | avdmanager create avd --force -n test -k "$EMULATOR" -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 fully-booted and disable animations
  - sudo chmod a+x ./tools/android-wait-for-emulator.sh
  - ./tools/android-wait-for-emulator.sh
  - adb shell input keyevent 82 &


script:
  # Run all device checks
  - cd ${TRAVIS_BUILD_DIR}/${DIR} && ./gradlew build connectedCheck -PdisablePreDex

after_script:
  # Show tests and lint results
  - cat ${TRAVIS_BUILD_DIR}/${DIR}/*/build/outputs/androidTest-results/connected/*
  - cat ${TRAVIS_BUILD_DIR}/${DIR}/*/build/reports/lint-results.xml