Migrate unit tests to Kotlin

.editorconfig

@@ -7,9 +7,6 @@ indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.{groovy,java}]
-indent_size = 4
-
 [*.{kt,kts}]
 ij_kotlin_imports_layout = *
 ij_kotlin_allow_trailing_comma = true

build.gradle.kts

@@ -76,6 +76,7 @@ dependencies {
 
   testImplementation(platform(libs.junit.bom))
   testImplementation(libs.junit.jupiter)
+  testImplementation(libs.assertk)
   testImplementation(libs.xmlunit)
   testImplementation(libs.apache.commonsLang)
   testRuntimeOnly(libs.junit.platformLauncher)
@@ -87,6 +88,7 @@ dependencies {
   funcTestImplementation(sourceSets.main.get().output)
 
   lintChecks(libs.androidx.gradlePluginLints)
+  lintChecks(libs.assertk.lint)
 }
 
 val integrationTest by tasks.registering(Test::class) {
@@ -130,6 +132,14 @@ tasks.withType<Test>().configureEach {
   )
 }
 
+tasks.whenTaskAdded {
+  if (name == "lintAnalyzeJvmTest") {
+    // This task often fails on Windows CI devices.
+    enabled = !providers.systemProperty("os.name").get().startsWith("Windows") &&
+      !providers.environmentVariable("CI").isPresent
+  }
+}
+
 tasks.register("release") {
   dependsOn(
     tasks.publish,

gradle/libs.versions.toml

@@ -11,13 +11,15 @@ plexus-xml = "org.codehaus.plexus:plexus-xml:4.0.4"
 xmlunit = "org.xmlunit:xmlunit-legacy:2.10.0"
 
 androidx-gradlePluginLints = "androidx.lint:lint-gradle:1.0.0-alpha02"
+assertk-lint = "com.jzbrooks:assertk-lint:1.3.0"
 # Dummy to get renovate updates, the version is used in rootProject build.gradle with spotless.
 ktlint = "com.pinterest.ktlint:ktlint-cli:1.4.1"
 
 spock = "org.spockframework:spock-core:2.3-groovy-3.0"
 junit-bom = "org.junit:junit-bom:5.11.3"
 junit-jupiter = { module = "org.junit.jupiter:junit-jupiter" }
 junit-platformLauncher = { module = "org.junit.platform:junit-platform-launcher" }
+assertk = "com.willowtreeapps.assertk:assertk:0.28.1"
 
 [plugins]
 kotlin = "org.jetbrains.kotlin.jvm:2.1.0"

src/funcTest/.editorconfig

@@ -0,0 +1,2 @@
+[*.{groovy,java}]
+indent_size = 4

src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/ComponentsXmlResourceTransformer.kt

@@ -13,6 +13,7 @@ import org.codehaus.plexus.util.xml.Xpp3Dom
 import org.codehaus.plexus.util.xml.Xpp3DomBuilder
 import org.codehaus.plexus.util.xml.Xpp3DomWriter
 import org.gradle.api.file.FileTreeElement
+import org.gradle.api.tasks.Internal
 
 /**
  * A resource processor that aggregates plexus `components.xml` files.
@@ -89,8 +90,8 @@ public open class ComponentsXmlResourceTransformer : Transformer {
 
   override fun hasTransformedResource(): Boolean = components.isNotEmpty()
 
-  @get:Throws(IOException::class)
-  private val transformedResource: ByteArray
+  @get:Internal
+  internal val transformedResource: ByteArray
     get() {
       val os = ByteArrayOutputStream(1024 * 4)
       XmlStreamWriter(os).use { writer ->