Kover Gradle Plugin/kotlinx.kover.gradle.aggregation.settings.dsl/KoverSettingsExtension/instrumentation

instrumentation

abstract fun instrumentation(action: Action<InstrumentationSettings>)(source)

Instrumentation settings for the all non-skipped Gradle projects.

Instrumentation is the modification of classes when they are loaded into the JVM, which helps to determine which code was called and which was not. Instrumentation changes the bytecode of the class, so it may disable some JVM optimizations, slow down performance and concurrency tests, and may also be incompatible with other instrumentation libraries.

For this reason, it may be necessary to fine-tune the instrumentation, for example, disabling instrumentation for problematic classes. Note that such classes would be marked as uncovered because of that.

Example:

instrumentation {
    // disable instrumentation of specified classes in test tasks
    excludedClasses.addAll("foo.bar.*Biz", "*\$Generated")

    // enable instrumentation only for specified classes. Classes in excludedClasses have priority over classes from includedClasses.
    includedClasses.addAll("foo.bar.*")
}
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abstract val instrumentation: InstrumentationSettings(source)

Instance for configuring instrumentation in all non-skipped Gradle projects.

See details in instrumentation.