With 2.1.20-RC2 and MPP plugin, a jvm target and the Gradle `java-test-fixtures` plugin, I need to s...

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[hfhbd]

With 2.1.20-RC2 and MPP plugin, a jvm target and the Gradle java-test-fixtures plugin, I need to switch from testFixturesImplementation to jvmTestFixturesImplementation. While it makes sense, shouldn't be there a migration path? And what about to extending the default testFixturesImplementation?

[Anton Lakotka [JB]]

Do you mean when you migrate from JVM project to KMP with JVM?

[Javier]

@hfhbd is text fixtures fixed on KMP? Or only for JVM

[hfhbd]

No, my project uses 2.1.10 with MPP and JVM target (and also linux). And I applied the java-test-fixtures plugin to provide Java only test fixtures.

[hfhbd]

plugins {
    kotlin("multiplatform")
    id("java-test-fixtures")
}

kotlin {
    jvm()
    linuxArm64()
}

dependencies {
    jvmTestFixturesApi(libs.sapci.script.api) // was previously testFixturesApi
    jvmTestFixturesApi(libs.sapci.adapter.api)
    jvmTestFixturesApi(libs.apache.camel)
    jvmTestFixturesApi(libs.sapci.javax.activation)
}

[hfhbd]

The default testFixturesApi configuration is created by the Gradle core plugin, so AFAIK the MPP plugin should extend them: jvmTestFixturesApi.extendsFrom(testFixturesApi), otherwise it is a little bit confusing to have two configurations, while the core config does not affect the Kotlin compile classpath and results into broken builds.

[tapchicoma]

just to be sure - in 2.1.10 you haven't used withJava() ?

[hfhbd]

With 2.1.10 I did use withJava

[tapchicoma]

you could still use withJava() in 2.1.20 if you have Gradle version <9.0 - then old test-fixtures configurations should work fine

We will add a section in What's new regarding this migration path.

[hfhbd]

Okay. I am fine with the change, but I think a migration or a hint in the docs about this changes would be helpful.

[hfhbd]

After testing again, when I remove the withJava function call, it does not work with the textFixtue dependency modifier: https://youtrack.jetbrains.com/issue/KT-75808/KGP-MPP-with-jvm-target-and-Gradle-java-test-fixtures-is-broken

[tapchicoma]

I will investigate

[tapchicoma]

Indeed a regression. As workarounds are available - will fix in 2.1.21

[tapchicoma]

Thank you for reporting it!