I'm trying to get a test coverage report using Gradle Android plugin 0.10.2. But I still can't get a coverage report after running some tests. (connectedAndroidTest).
my main module's build.gradle is :
apply plugin: 'android'
android {
compileSdkVersion 19
buildToolsVersion "19.0.3"
defaultConfig {
minSdkVersion 8
targetSdkVersion 19
versionCode 1
versionName "1.0"
}
buildTypes {
debug {
testCoverageEnabled true
}
release {
runProguard false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:19.+'
}
and the buildscript section of project's build gradle is :
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.10.+'
}
}
Once I run a gradlew connectedAndroidTest from terminal, I can find coverage-instrumented-classes and code-coverage folder inside the build folder. But I can't find coverage folder in the reports folder. (Only I can see is androidTests folder)
Is there anything missing for getting a jacoco coverage report?
Over the hundreds of times searching the answer to getting a coverage report, I finally found an exact answer what I want.
From the this blog post, I found that gradlew createDebugCoverageReport creates the jacoco coverage report.
Also, from the gradle plugin source code, the plugin uses jacoco 0.6.2.201302030002 by default. (therefore, jacoco version definition is not required if you are going to use a default version)
In summary, the ESSENTIAL steps to get a jacoco coverage report with Android gradle plugin are:
build.gradle)testCoverageEnabled true to the build type you want (i.e. debug)$ gradlew createDebugCoverageReport or gradlew connectedCheck to get a jacoco coverage report.You can find your coverage report at the build/reports/coverage/{buildType}. (i.e. build/reports/coverage/debug for debug build)
(Add multi-flavor case from @odiggity's comment)
If your project uses multi-flavor configuration, use create{flavorName}CoverageReport instead. The coverage report will be generated at build/reports/coverage/{flavorName}/{buildType}.
Example for flavor krInternal with debug build type:
./gradlew createKrInternalDebugCoverageReportbuild/reports/coverage/krInternal/debugSince you can only get a coverage report with the emulator and device with root permission, you'll get following error after running a command on the regular(non-rooted) device:
05:48:33 E/Device: Error during Sync: Permission denied
java.io.IOException: com.android.ddmlib.SyncException: Permission denied
at com.android.builder.testing.ConnectedDevice.pullFile(ConnectedDevice.java:114)
at com.android.builder.internal.testing.SimpleTestCallable.call(SimpleTestCallable.java:158)
at com.android.builder.internal.testing.SimpleTestCallable.call(SimpleTestCallable.java:42)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:695)
Caused by: com.android.ddmlib.SyncException: Permission denied
at com.android.ddmlib.SyncService.doPullFile(SyncService.java:511)
at com.android.ddmlib.SyncService.pullFile(SyncService.java:320)
at com.android.ddmlib.Device.pullFile(Device.java:849)
at com.android.builder.testing.ConnectedDevice.pullFile(ConnectedDevice.java:107)
... 10 more
:myDirections:connectedAndroidTest FAILED
FAILURE: Build failed with an exception.
Travis-CI build script to get code coverage
Include this block in build.gradle, for all modules (library, sample, etc)
android {
lintOptions {
abortOnError false
}
}
Below is the .travis-ci.yml file
language: android
jdk: oraclejdk8
sudo: required
android:
components:
# Uncomment the lines below if you want to
# use the latest revision of Android SDK Tools
- tools
- platform-tools
# The BuildTools version used by your project
- build-tools-28.0.3
# The SDK version used to compile your project
- android-28
- android-22
- add-on
# Additional components
- extra-google-google_play_services
- extra-android-support
- extra-google-m2repository
- extra-android-m2repository
# Specify at least one system image,
# if you need to run emulator(s) during your tests
- sys-img-armeabi-v7a-android-22
licenses:
- 'android-sdk-preview-license-52d11cd2'
- 'android-sdk-license-.+'
- 'google-gdk-license-.+'
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
before_install:
- yes | sdkmanager "build-tools;28.0.3"
before_script:
- echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a -c 100M
- emulator -avd test -no-audio -no-window &
- android-wait-for-emulator
- sleep 180
- adb devices
- adb shell input keyevent 82 &
script:
- ./gradlew build connectedCheck
after_success:
- bash <(curl -s https://codecov.io/bash)
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