Implement test icon provider for 'native' platform

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/KotlinNativeRunConfigurationProvider.kt

@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2019 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.ide.konan
+
+interface KotlinNativeRunConfigurationProvider {
+    val isForTests: Boolean
+}

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/NativeIdePlatformKindTooling.kt

@@ -5,17 +5,18 @@
 
 package org.jetbrains.kotlin.ide.konan
 
+import com.intellij.execution.actions.RunConfigurationProducer
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.roots.libraries.DummyLibraryProperties
 import com.intellij.openapi.roots.libraries.Library
 import com.intellij.openapi.roots.libraries.PersistentLibraryKind
 import com.intellij.openapi.roots.ui.configuration.libraries.CustomLibraryDescription
-import org.jetbrains.kotlin.ide.konan.analyzer.NativeResolverForModuleFactory
 import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.gradle.KotlinPlatform
 import org.jetbrains.kotlin.idea.framework.KotlinLibraryKind
 import org.jetbrains.kotlin.idea.platform.IdePlatformKindTooling
+import org.jetbrains.kotlin.idea.platform.getGenericTestIcon
 import org.jetbrains.kotlin.platform.impl.NativeIdePlatformKind
 import org.jetbrains.kotlin.psi.KtFunction
 import org.jetbrains.kotlin.psi.KtNamedDeclaration
@@ -37,7 +38,21 @@ class NativeIdePlatformKindTooling : IdePlatformKindTooling() {
     override fun getLibraryDescription(project: Project): CustomLibraryDescription? = null
     override fun getLibraryVersionProvider(project: Project): (Library) -> String? = { null }
 
-    override fun getTestIcon(declaration: KtNamedDeclaration, descriptor: DeclarationDescriptor): Icon? = null
+    override fun getTestIcon(declaration: KtNamedDeclaration, descriptor: DeclarationDescriptor): Icon? {
+        return getGenericTestIcon(declaration, descriptor) {
+            val availableRunConfigurations = RunConfigurationProducer
+                .getProducers(declaration.project)
+                .asSequence()
+                .filterIsInstance<KotlinNativeRunConfigurationProvider>()
+                .filter { it.isForTests }
+
+            if (availableRunConfigurations.firstOrNull() == null) {
+                return@getGenericTestIcon null
+            }
+
+            return@getGenericTestIcon emptyList()
+        }
+    }
 
     override fun acceptsAsEntryPoint(function: KtFunction) = false
 }