Rider: Don't run tests if ComTest didn't generate anything

rider/src/main/kotlin/fi/jyu/intellij/comtest/rider/ComTestRunner.kt

@@ -25,16 +25,19 @@ internal object ComTestRunner {
      *
      * @param proj Solution for which to generate the tests.
      */
-    fun generateForDotNetSln(proj: Project) {
+    fun generateForDotNetSln(proj: Project): ComTestResult? {
         ComTestLoggerWindow.open(proj)
 
         val slnFile = proj.riderSolutionFile
-            ?: return Notifier.notifyError(
+            ?: run {
+                Notifier.notifyError(
                     proj,
                     "No solution found or solution is virtual (virtual solutions are not supported). Load a solution to generate tests."
                 )
+                return null
+            }
 
         val slnEntry = FileEntry(slnFile.path, Language.CsharpSolution)
-        FileProcessor.process(slnEntry, slnFile.parent, false)
+        return FileProcessor.process(slnEntry, slnFile.parent, false)
     }
 }
\ No newline at end of file

rider/src/main/kotlin/fi/jyu/intellij/comtest/rider/actions/ComTestGenerateDotNetSolutionAction.kt

@@ -6,6 +6,7 @@ import com.intellij.openapi.actionSystem.ex.ActionManagerEx
 import com.jetbrains.rd.platform.util.lifetime
 import com.jetbrains.rider.model.solutionAnalysisModel
 import com.jetbrains.rider.projectView.solution
+import comtest.v2.processors.ComTestResult
 import fi.jyu.intellij.comtest.common.util.runWithRefresh
 import fi.jyu.intellij.comtest.rider.ComTestRunner
 import fi.jyu.intellij.comtest.rider.util.hasRiderSolution
@@ -18,10 +19,14 @@ class ComTestGenerateDotNetSolutionAction : AnAction() {
     override fun actionPerformed(e: AnActionEvent) {
         val proj = e.project ?: return
 
-        runWithRefresh(proj) {
+        val res = runWithRefresh(proj) {
             ComTestRunner.generateForDotNetSln(proj)
         }
 
+        if (res == null || (res !is ComTestResult.Success && res !is ComTestResult.SkippedAsGood)) {
+            return
+        }
+
         // csproj change will trigger assembly analysis
         // Wait for it to finish and then trigger unit test discovery
         val l = proj.lifetime.createNested()