[Gradle] [MPP] Implement integration test to cover ^KT-48856

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/CommonizerIT.kt

@@ -386,6 +386,27 @@ class CommonizerIT : BaseGradleIT() {
         }
     }
 
+    @Test
+    fun `test KT-48856 single native target dependency propagation - test source set - cinterop`() {
+        fun CompiledProject.containsCinteropDependency(): Boolean {
+            val nativeMainContainsCInteropDependencyRegex = Regex(""".*Dependency:.*cinterop-sampleInterop.*""")
+            return output.lineSequence().any { line ->
+                line.matches(nativeMainContainsCInteropDependencyRegex)
+            }
+        }
+
+        with(Project("commonize-kt-48856-singleNativeTargetPropagation-testSourceSet")) {
+            build("listNativeTestDependencies") {
+                assertSuccessful()
+                assertTrue(containsCinteropDependency(), "Expected sourceSet 'nativeTest' to list cinterop dependency")
+            }
+
+            build("assemble") {
+                assertSuccessful()
+            }
+        }
+    }
+
     @Test
     fun `test KT-46856 filename too long - all native targets configured`() {
         with(Project("commonize-kt-46856-all-targets")) {
@@ -663,4 +684,3 @@ private object CommonizableTargets {
         else -> fail("Unsupported os: ${os.name}")
     }
 }
-

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonize-kt-48856-singleNativeTargetPropagation-testSourceSet/build.gradle.kts

@@ -0,0 +1,40 @@
+import org.jetbrains.kotlin.gradle.plugin.sources.DefaultKotlinSourceSet
+import org.jetbrains.kotlin.konan.target.HostManager
+
+plugins {
+    kotlin("multiplatform")
+}
+
+repositories {
+    mavenCentral()
+    mavenLocal()
+}
+
+kotlin {
+    val platformTarget = when {
+        HostManager.hostIsMac -> macosX64("platform")
+        HostManager.hostIsMingw -> mingwX64("platform")
+        HostManager.hostIsLinux -> linuxX64("platform")
+        else -> error("Unexpected host: ${HostManager.host}")
+    }
+
+    platformTarget.compilations["main"].cinterops.create("sampleInterop") {
+        header(file("src/nativeInterop/cinterop/sampleInterop.h"))
+    }
+
+    val platformTest by sourceSets.getting
+    val nativeTest = sourceSets.create("nativeTest")
+    platformTest.dependsOn(nativeTest)
+
+    tasks.create("listNativeTestDependencies") {
+        nativeTest as DefaultKotlinSourceSet
+        val nativeTestMetadataConfiguration = configurations[nativeTest.intransitiveMetadataConfigurationName]
+        dependsOn(nativeTestMetadataConfiguration)
+
+        doFirst {
+            nativeTestMetadataConfiguration.files.forEach { dependencyFile ->
+                logger.quiet("Dependency: ${dependencyFile.path}")
+            }
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonize-kt-48856-singleNativeTargetPropagation-testSourceSet/gradle.properties

@@ -0,0 +1,6 @@
+kotlin.code.style=official
+kotlin.js.generate.executable.default=false
+kotlin.mpp.enableGranularSourceSetsMetadata=true
+kotlin.mpp.enableCInteropCommonization=true
+kotlin.native.enableDependencyPropagation=false
+kotlin.mpp.enableIntransitiveMetadataConfiguration=true

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonize-kt-48856-singleNativeTargetPropagation-testSourceSet/settings.gradle.kts

@@ -0,0 +1,10 @@
+pluginManagement {
+    repositories {
+        mavenLocal()
+        gradlePluginPortal()
+    }
+    val kotlin_version: String by settings
+    plugins {
+        kotlin("multiplatform").version(kotlin_version)
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonize-kt-48856-singleNativeTargetPropagation-testSourceSet/src/nativeInterop/cinterop/sampleInterop.h

@@ -0,0 +1,2 @@
+void sampleInterop() {
+};

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonize-kt-48856-singleNativeTargetPropagation-testSourceSet/src/nativeTest/kotlin/NativeIntermediateTest.kt

@@ -0,0 +1,7 @@
+@file:Suppress("unused")
+
+import sampleInterop.sampleInterop
+
+object NativeIntermediateTest {
+    fun x() = sampleInterop()
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/commonize-kt-48856-singleNativeTargetPropagation-testSourceSet/src/platformMain/kotlin/NativeMain.kt

@@ -0,0 +1,7 @@
+@file:Suppress("unused")
+
+import sampleInterop.sampleInterop
+
+object NativeMain {
+    fun x() = sampleInterop()
+}