Migrate test kits to Kotlin

build.gradle.kts

@@ -48,15 +48,15 @@ val testKitImplementation: Configuration by configurations.getting
 
 val intiTest: SourceSet by sourceSets.creating
 val intiTestImplementation: Configuration by configurations.getting {
-  extendsFrom(configurations.testImplementation.get())
+  extendsFrom(testKitImplementation, configurations.testImplementation.get())
 }
 val intiTestRuntimeOnly: Configuration by configurations.getting {
   extendsFrom(configurations.testRuntimeOnly.get())
 }
 
 val funcTest: SourceSet by sourceSets.creating
 val funcTestImplementation: Configuration by configurations.getting {
-  extendsFrom(configurations.testImplementation.get())
+  extendsFrom(testKitImplementation, configurations.testImplementation.get())
 }
 val funcTestRuntimeOnly: Configuration by configurations.getting {
   extendsFrom(configurations.testRuntimeOnly.get())
@@ -80,6 +80,8 @@ dependencies {
   val mainOutput = sourceSets.main.map { it.output }
   testKitImplementation(mainOutput)
   testKitImplementation(gradleTestKit())
+  testKitImplementation(libs.apache.maven)
+  testKitImplementation(libs.assertk)
 
   testImplementation(testKit.output)
   testImplementation(platform(libs.junit.bom))

gradle/libs.versions.toml

@@ -3,6 +3,7 @@ apache-ant = "org.apache.ant:ant:1.10.15"
 apache-commonsIo = "commons-io:commons-io:2.18.0"
 apache-commonsLang = "org.apache.commons:commons-lang3:3.17.0"
 apache-log4j = "org.apache.logging.log4j:log4j-core:2.24.2"
+apache-maven = "org.apache.maven:maven-repository-metadata:3.9.9"
 asm = "org.ow2.asm:asm-commons:9.7.1"
 jdependency = "org.vafer:jdependency:2.11"
 jdom2 = "org.jdom:jdom2:2.0.6.1"

src/funcTest/groovy/com/github/jengelman/gradle/plugins/shadow/transformers/PropertiesFileTransformerSpec.groovy

@@ -22,7 +22,7 @@ package com.github.jengelman.gradle.plugins.shadow.transformers
 import com.github.jengelman.gradle.plugins.shadow.transformers.PropertiesFileTransformer.MergeStrategy
 import spock.lang.Unroll
 
-import static com.github.jengelman.gradle.plugins.shadow.testkit.util.Utils.testObjectFactory
+import static com.github.jengelman.gradle.plugins.shadow.testkit.Utils.testObjectFactory
 import static groovy.lang.Closure.IDENTITY
 
 @Unroll

src/funcTest/groovy/com/github/jengelman/gradle/plugins/shadow/util/AppendableMavenFileModule.groovy

@@ -1,6 +1,7 @@
 package com.github.jengelman.gradle.plugins.shadow.util
 
 import com.github.jengelman.gradle.plugins.shadow.util.repo.maven.MavenFileModule
+import com.github.jengelman.gradle.plugins.shadow.testkit.JarBuilder
 import groovy.transform.InheritConstructors
 import org.apache.commons.io.IOUtils
 

src/funcTest/groovy/com/github/jengelman/gradle/plugins/shadow/util/PluginSpecification.groovy

@@ -1,5 +1,6 @@
 package com.github.jengelman.gradle.plugins.shadow.util
 
+import com.github.jengelman.gradle.plugins.shadow.testkit.AppendableJar
 import org.codehaus.plexus.util.IOUtil
 import org.gradle.testkit.runner.BuildResult
 import org.gradle.testkit.runner.GradleRunner

src/funcTest/groovy/com/github/jengelman/gradle/plugins/shadow/util/repo/AbstractModule.groovy

@@ -1,6 +1,6 @@
 package com.github.jengelman.gradle.plugins.shadow.util.repo
 
-import com.github.jengelman.gradle.plugins.shadow.util.HashUtil
+import com.github.jengelman.gradle.plugins.shadow.testkit.HashUtil
 
 abstract class AbstractModule {
     /**

src/test/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/ApacheNoticeResourceTransformerTest.kt

@@ -4,7 +4,7 @@ import assertk.assertThat
 import assertk.assertions.isFalse
 import assertk.assertions.isTrue
 import assertk.fail
-import com.github.jengelman.gradle.plugins.shadow.testkit.util.testObjectFactory
+import com.github.jengelman.gradle.plugins.shadow.testkit.testObjectFactory
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 

src/test/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/AppendingTransformerTest.kt

@@ -3,7 +3,7 @@ package com.github.jengelman.gradle.plugins.shadow.transformers
 import assertk.assertThat
 import assertk.assertions.isFalse
 import assertk.assertions.isTrue
-import com.github.jengelman.gradle.plugins.shadow.testkit.util.testObjectFactory
+import com.github.jengelman.gradle.plugins.shadow.testkit.testObjectFactory
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 

src/test/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/ManifestAppenderTransformerTest.kt

@@ -6,7 +6,7 @@ import assertk.assertions.isFalse
 import assertk.assertions.isGreaterThan
 import assertk.assertions.isNotEmpty
 import assertk.assertions.isTrue
-import com.github.jengelman.gradle.plugins.shadow.testkit.util.testObjectFactory
+import com.github.jengelman.gradle.plugins.shadow.testkit.testObjectFactory
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 

src/test/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/PropertiesFileTransformerTest.kt

@@ -6,7 +6,7 @@ import assertk.assertions.isEqualTo
 import assertk.assertions.isFalse
 import assertk.assertions.isNotEmpty
 import assertk.assertions.isTrue
-import com.github.jengelman.gradle.plugins.shadow.testkit.util.testObjectFactory
+import com.github.jengelman.gradle.plugins.shadow.testkit.testObjectFactory
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 

src/test/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/XmlAppendingTransformerTest.kt

@@ -3,7 +3,7 @@ package com.github.jengelman.gradle.plugins.shadow.transformers
 import assertk.assertThat
 import assertk.assertions.isFalse
 import assertk.assertions.isTrue
-import com.github.jengelman.gradle.plugins.shadow.testkit.util.testObjectFactory
+import com.github.jengelman.gradle.plugins.shadow.testkit.testObjectFactory
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 

src/testKit/kotlin/com/github/jengelman/gradle/plugins/shadow/testkit/AppendableJar.kt

@@ -0,0 +1,20 @@
+package com.github.jengelman.gradle.plugins.shadow.testkit
+
+import java.io.File
+
+class AppendableJar(private val file: File) {
+  private val contents = mutableMapOf<String, String>()
+
+  fun insertFile(path: String, content: String): AppendableJar = apply {
+    contents[path] = content
+  }
+
+  fun write(): File {
+    val builder = JarBuilder(file.outputStream())
+    contents.forEach { (path, content) ->
+      builder.withFile(path, content)
+    }
+    builder.build()
+    return file
+  }
+}