clion: fix CNFE for nova mode (bazelbuild#7599)

oclang specific code was accidentally located in a shared library
move it to oclang module and create a simple radler implementation.

Author: ujohnny

clwb/src/META-INF/clwb-oclang.xml

@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright 2023 The Bazel Authors. All rights reserved.
+  ~ Copyright 2025 The Bazel Authors. All rights reserved.
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -21,5 +21,6 @@
   <extensions defaultExtensionNs="com.google.idea.blaze">
     <clwb.googleTestUtilAdapter implementation="com.google.idea.blaze.clwb.oclang.run.CidrGoogleTestUtilAdapter"/>
     <TestContextProvider implementation="com.google.idea.blaze.clwb.oclang.run.producers.CppTestContextProvider"/>
+    <BlazeTestEventsHandler implementation="com.google.idea.blaze.clwb.oclang.run.test.BlazeCidrTestEventsHandler"/>
   </extensions>
 </idea-plugin>

clwb/src/META-INF/clwb.xml

@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright 2016 The Bazel Authors. All rights reserved.
+  ~ Copyright 2025 The Bazel Authors. All rights reserved.
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -41,7 +41,6 @@
   <extensions defaultExtensionNs="com.google.idea.blaze">
     <SyncPlugin implementation="com.google.idea.blaze.clwb.sync.BlazeCLionSyncPlugin"/>
     <BlazeCommandRunConfigurationHandlerProvider implementation="com.google.idea.blaze.clwb.run.BlazeCidrRunConfigurationHandlerProvider" order="first"/>
-    <BlazeTestEventsHandler implementation="com.google.idea.blaze.clwb.oclang.run.test.BlazeCidrTestEventsHandler"/>
   </extensions>
 
   <extensions defaultExtensionNs="com.google.idea.blaze.cpp">

clwb/src/com/google/idea/blaze/clwb/radler/RadTestEventsHandler.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2025 The Bazel Authors. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.idea.blaze.clwb.radler
+
+import com.google.idea.blaze.base.model.primitives.Kind
+import com.google.idea.blaze.base.model.primitives.LanguageClass
+import com.google.idea.blaze.base.model.primitives.RuleType
+import com.google.idea.blaze.base.run.smrunner.BlazeTestEventsHandler
+import com.intellij.execution.Location
+import com.intellij.execution.testframework.sm.runner.SMTestLocator
+import com.intellij.openapi.project.Project
+
+class RadTestEventsHandler: BlazeTestEventsHandler {
+  override fun handlesKind(kind: Kind?): Boolean {
+    return kind != null
+        && kind.hasLanguage(LanguageClass.C)
+        && kind.getRuleType().equals(RuleType.TEST)
+  }
+
+  override fun getTestLocator(): SMTestLocator? {
+    // not supported yet
+    return null
+  }
+
+  override fun getTestFilter(
+    project: Project?,
+    testLocations: List<Location<*>?>?
+  ): String? {
+    // not supported yet
+    return null
+  }
+}

clwb/src/com/google/idea/blaze/clwb/radler/optional-plugin.xml

@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright 2024 The Bazel Authors. All rights reserved.
+  ~ Copyright 2025 The Bazel Authors. All rights reserved.
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -18,5 +18,6 @@
     <TestContextProvider implementation="com.google.idea.blaze.clwb.radler.RadGoogleTestContextProvider"/>
     <TestContextProvider implementation="com.google.idea.blaze.clwb.radler.RadCatchTestContextProvider"/>
     <BinaryContextProvider implementation="com.google.idea.blaze.clwb.radler.RadBinaryContextProvider"/>
+    <BlazeTestEventsHandler implementation="com.google.idea.blaze.clwb.radler.RadTestEventsHandler"/>
   </extensions>
 </idea-plugin>