Implement class/method run configurations for MPP projects

idea/idea-jvm/src/org/jetbrains/kotlin/idea/run/KotlinJUnitRunConfigurationProducer.kt

@@ -23,6 +23,7 @@ import com.intellij.psi.PsiMember
 import com.intellij.psi.PsiMethod
 import com.intellij.psi.util.PsiTreeUtil
 import org.jetbrains.kotlin.asJava.toLightClass
+import org.jetbrains.kotlin.idea.caches.project.isNewMPPModule
 import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
 import org.jetbrains.kotlin.psi.KtClass
 import org.jetbrains.kotlin.psi.KtFile
@@ -35,6 +36,11 @@ class KotlinJUnitRunConfigurationProducer : RunConfigurationProducer<JUnitConfig
         return other.isProducedBy(JUnitConfigurationProducer::class.java) || other.isProducedBy(AbstractPatternBasedConfigurationProducer::class.java)
     }
 
+    private fun isAvailableInMpp(context: ConfigurationContext): Boolean {
+        val module = context.module
+        return module == null || !module.isNewMPPModule || !forceGradleRunnerInMPP()
+    }
+
     override fun isConfigurationFromContext(
         configuration: JUnitConfiguration,
         context: ConfigurationContext
@@ -43,6 +49,10 @@ class KotlinJUnitRunConfigurationProducer : RunConfigurationProducer<JUnitConfig
             return false
         }
 
+        if (!isAvailableInMpp(context)) {
+            return false
+        }
+
         val leaf = context.location?.psiElement ?: return false
         val method = getTestMethod(leaf)
         val testClass = getTestClass(leaf)
@@ -75,6 +85,10 @@ class KotlinJUnitRunConfigurationProducer : RunConfigurationProducer<JUnitConfig
     ): Boolean {
         if (DumbService.getInstance(context.project).isDumb) return false
 
+        if (!isAvailableInMpp(context)) {
+            return false
+        }
+
         val location = context.location ?: return false
         val leaf = location.psiElement
         val module = context.module?.asJvmModule() ?: return false

idea/idea-jvm/src/org/jetbrains/kotlin/idea/run/jvmMppUtils.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.idea.run
 
 import com.intellij.openapi.module.Module
+import com.intellij.openapi.util.registry.Registry
 import org.jetbrains.kotlin.idea.project.platform
 import org.jetbrains.kotlin.platform.jvm.isJvm
 
@@ -15,3 +16,4 @@ fun Module.asJvmModule(): Module? {
     return null
 }
 
+fun forceGradleRunnerInMPP() = Registry.`is`("kotlin.mpp.tests.force.gradle", true)