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This Gist is a part of the Article: https://prokash-sarkar.medium.com/multi-module-multi-flavored-test-coverage-with-jacoco-in-android-bc4fb4d135a3
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def setupAndroidReporting() { | |
// 1 | |
tasks.withType(Test) { | |
// Whether or not classes without source location should be instrumented | |
jacoco.includeNoLocationClasses true | |
} | |
// Grab all build types and product flavors | |
// 2 | |
def buildTypes = android.buildTypes.collect { type -> | |
type.name | |
} | |
// 3 | |
def productFlavors = android.productFlavors.collect { flavor -> | |
flavor.name | |
} | |
// 4 | |
// When no product flavors defined, use empty | |
if (!productFlavors) productFlavors.add('') | |
productFlavors.each { productFlavorName -> | |
buildTypes.each { buildTypeName -> | |
def sourceName, sourcePath | |
if (!productFlavorName) { | |
sourceName = sourcePath = "${buildTypeName}" | |
} else { | |
sourceName = "${productFlavorName}${buildTypeName.capitalize()}" | |
sourcePath = "${productFlavorName}/${buildTypeName}" | |
} | |
def testTaskName = "test${sourceName.capitalize()}UnitTest" | |
System.out.println("Task -> $testTaskName") | |
// Create coverage task of form 'testFlavorTypeCoverage' depending on 'testFlavorTypeUnitTest' | |
// 5 | |
task "${testTaskName}Coverage"(type: JacocoReport, dependsOn: "$testTaskName") { | |
group = "Reporting" | |
description = "Generate Jacoco coverage reports on the ${sourceName.capitalize()} build." | |
def fileFilter = [ | |
// data binding | |
'android/databinding/**/*.class', | |
'**/android/databinding/*Binding.class', | |
'**/android/databinding/*', | |
'**/androidx/databinding/*', | |
'**/BR.*', | |
// android | |
'**/R.class', | |
'**/R$*.class', | |
'**/BuildConfig.*', | |
'**/Manifest*.*', | |
'**/*Test*.*', | |
'android/**/*.*', | |
// dagger | |
'**/*_MembersInjector.class', | |
'**/Dagger*Component.class', | |
'**/Dagger*Component$Builder.class', | |
'**/Dagger*Subcomponent*.class', | |
'**/*Subcomponent$Builder.class', | |
'**/*Module_*Factory.class', | |
'**/di/module/*', | |
'**/*_Factory*.*', | |
'**/*Module*.*', | |
'**/*Dagger*.*', | |
'**/*Hilt*.*', | |
// kotlin | |
'**/*MapperImpl*.*', | |
'**/*$ViewInjector*.*', | |
'**/*$ViewBinder*.*', | |
'**/BuildConfig.*', | |
'**/*Component*.*', | |
'**/*BR*.*', | |
'**/Manifest*.*', | |
'**/*$Lambda$*.*', | |
'**/*Companion*.*', | |
'**/*Module*.*', | |
'**/*Dagger*.*', | |
'**/*Hilt*.*', | |
'**/*MembersInjector*.*', | |
'**/*_MembersInjector.class', | |
'**/*_Factory*.*', | |
'**/*_Provide*Factory*.*', | |
'**/*Extensions*.*', | |
// sealed and data classes | |
'**/*$Result.*', | |
'**/*$Result$*.*', | |
// adapters generated by moshi | |
'**/*JsonAdapter.*', | |
] | |
// 6 | |
def javaTree = fileTree(dir: "${project.buildDir}/intermediates/javac/$sourceName/classes", excludes: fileFilter) | |
def kotlinTree = fileTree(dir: "${project.buildDir}/tmp/kotlin-classes/$sourceName", excludes: fileFilter) | |
classDirectories.from = files([javaTree], [kotlinTree]) | |
executionData.from = files("${project.buildDir}/jacoco/${testTaskName}.exec") | |
def coverageSourceDirs = ["src/main/java", | |
"src/$productFlavorName/java", | |
"src/$buildTypeName/java"] | |
sourceDirectories.setFrom(files(coverageSourceDirs)) | |
additionalSourceDirs.setFrom(files(coverageSourceDirs)) | |
// 7 | |
reports { | |
csv.enabled false // change if needed | |
xml.enabled false // change if needed | |
html { | |
enabled true | |
destination file("${buildDir}/coverage-report") | |
} | |
} | |
} | |
} | |
} | |
} |
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