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Gradle Plugin: 1.0.31
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@mannodermaus mannodermaus released this 03 Mar 16:01
· 415 commits to main since this release
plugin-1.0.31
4d5a05d

This release enhances the compatibility for instrumentation tests with JUnit 5, improves internally by raising the minimum required Gradle version, and removes some deprecated APIs. It also updates the android-instrumentation-test library dependency to 0.2.1. If you explicitly depend on an earlier version in your build.gradle, please update.

Instrumentation Tests

Instrumentation Test Support is now transparently enabled by default, however you won't notice the impact of its minSdkVersion 26 requirement if you don't want to. At most, you will see an innocuous statement in your Logcat, but that's it:

E/TestLoader: Could not find class: de.mannodermaus.junit5.AndroidJUnit5

This refers to JUnit 5 detection being silently turned off if it doesn't detect the required runtime dependencies, which you provide through the junit5.instrumentationTests() dependency handler. If you do provide JUnit 5 tests though, they will be picked up by the Android Test Runner, and included in the resulting reports.

Creating a product flavor for experiments with JUnit 5 instrumentation tests is a great way of getting to know the new APIs in a safe way. Consult the sample application's build.gradle for how this can be done.

Minimum Gradle Version

Previously, the android-junit5 plugin mirrored its big brother's minimum Gradle requirement, which was 2.5+. With this release, this requirement was upgraded to 4.3+. This helps with internal house-keeping, as well as migration to new APIs exposed by Gradle.

With first-party support for JUnit 5 in recent versions of Gradle, expect this minimum requirement to go up even further in the future. Consult the README for a new section on minimum required Gradle versions.

API Changes

  • New: junitPlatform.unitTests.all can be used to configure JUnit test tasks (JVM arguments, environment variables, system properties)
  • New: junitPlatform.jacocoOptions.taskGenerationEnabled can be used to turn off automatic generation of Jacoco companion tasks if the plugin is applied alongside android-junit5
  • New: junitPlatform.jacocoOptions.onlyGenerateTasksForVariants can be used to specify Build Variants that should be provided with Jacoco companion tasks; all other variants won't get one. By default, this is an empty list, which will cause all variants to factor into task generation
  • Removed: The top-level junitPlatform closure is now gone. Move your configuration into android.TestOptions.junitPlatform!
  • Removed: The junitPlatform.jacoco container had been renamed to jacocoOptions; with this release, the old container is now gone.
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