[Gradle] Implement CInteropIdeaSyncIT to cover ^KT-48882

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

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.native
+
+import org.jetbrains.kotlin.gradle.BaseGradleIT
+import kotlin.test.Test
+
+class CInteropIdeaSyncIT : BaseGradleIT() {
+
+    private val ideaSyncBuildOptions = defaultBuildOptions().copy(
+        freeCommandLineArgs = listOf("-Didea.sync.active=true")
+    )
+
+    @Test
+    fun `test failing cinterop warning`() {
+        val ideaSyncWarningMessage = "Warning: Failed to generate cinterop for :cinteropSampleInteropNative"
+        val interopTaskName = ":cinteropSampleInteropNative"
+
+        with(Project("cinterop-failing")) {
+            /* Task still fails on 'normal' builds */
+            build("commonize") {
+                assertTasksFailed(interopTaskName)
+            }
+
+            /* Task failure is just a warning during import */
+            build("commonize", options = ideaSyncBuildOptions) {
+                assertSuccessful()
+                assertTasksExecuted(interopTaskName)
+                assertContains(ideaSyncWarningMessage)
+            }
+
+            /* Task is not considered up-to-date after lenient failure */
+            build("commonize", options = ideaSyncBuildOptions) {
+                assertSuccessful()
+                assertTasksExecuted(interopTaskName)
+                assertContains(ideaSyncWarningMessage)
+            }
+
+            /* Remove noise that causes failure */
+            projectDir.resolve("src/nativeInterop/cinterop/sampleInteropNoise.h").writeText("")
+
+            build("commonize", options = ideaSyncBuildOptions) {
+                assertSuccessful()
+                assertTasksExecuted(interopTaskName)
+                assertNotContains(ideaSyncWarningMessage)
+            }
+
+            /* Task is considered up-to-date after first successful run */
+            build("commonize", options = ideaSyncBuildOptions) {
+                assertSuccessful()
+                assertTasksUpToDate(interopTaskName)
+                assertNotContains(ideaSyncWarningMessage)
+            }
+
+            /* Task is still considered up-to-date after successful run in idea sync */
+            build("commonize") {
+                assertSuccessful()
+                assertTasksUpToDate(interopTaskName)
+                assertNotContains(ideaSyncWarningMessage)
+            }
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/cinterop-failing/build.gradle.kts

@@ -0,0 +1,25 @@
+import org.jetbrains.kotlin.konan.target.HostManager
+
+plugins {
+    kotlin("multiplatform")
+}
+
+repositories {
+    mavenCentral()
+    mavenLocal()
+}
+
+
+kotlin {
+    val nativeTarget = when {
+        HostManager.hostIsMac -> macosX64("native")
+        HostManager.hostIsMingw -> mingwX64("native")
+        HostManager.hostIsLinux -> linuxX64("native")
+        else -> error("Unexpected host: ${HostManager.host}")
+    }
+
+    nativeTarget.compilations["main"].cinterops.create("sampleInterop") {
+        header(file("src/nativeInterop/cinterop/sampleInterop.h"))
+        header(file("src/nativeInterop/cinterop/sampleInteropNoise.h"))
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/cinterop-failing/gradle.properties

@@ -0,0 +1,3 @@
+kotlin.mpp.enableGranularSourceSetsMetadata=true
+kotlin.mpp.enableCInteropCommonization=true
+kotlin.native.enableDependencyPropagation=false

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/cinterop-failing/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/cinterop-failing/src/nativeInterop/cinterop/sampleInterop.h

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

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/cinterop-failing/src/nativeInterop/cinterop/sampleInteropNoise.h

@@ -0,0 +1 @@
+This is not a valid header file.

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/cinterop-failing/src/nativeMain/kotlin/NativeMain.kt

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