fix tests not showing in C projects

Author: zinkko

tmc-plugin/src/fi/helsinki/cs/tmc/actions/RefreshCoursesAction.java

@@ -128,7 +128,6 @@ public void onSuccess(final List<Course> courses) {
                             createSystemHandle("Loading course");
                     loadingCourse.start();
                     URI uri = new URI(currentCourse.getDetailsUrl());
-                    System.out.println(uri + "  here we go!\n\n\n\n\n\n\n\n\n\n");
                     ListenableFuture<Course> courseFuture = tmcCore.getCourse(uri);
 
                     Futures.addCallback(courseFuture, new UpdateCourse(courses, loadingCourse));

tmc-plugin/src/fi/helsinki/cs/tmc/runners/CheckstyleRunHandler.java

@@ -6,13 +6,18 @@
 import fi.helsinki.cs.tmc.data.ResultCollector;
 import fi.helsinki.cs.tmc.model.ProjectMediator;
 import fi.helsinki.cs.tmc.model.TmcProjectInfo;
-import fi.helsinki.cs.tmc.model.NBTmcSettings;
 import fi.helsinki.cs.tmc.model.TmcCoreSingleton;
 import fi.helsinki.cs.tmc.stylerunner.validation.CheckstyleResult;
 import fi.helsinki.cs.tmc.stylerunner.validation.ValidationResult;
 import fi.helsinki.cs.tmc.ui.ConvenientDialogDisplayer;
 import fi.helsinki.cs.tmc.core.exceptions.TmcCoreException;
+import fi.helsinki.cs.tmc.stylerunner.validation.Strategy;
+import fi.helsinki.cs.tmc.stylerunner.validation.ValidationError;
+import java.io.File;
 import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 import javax.swing.SwingUtilities;
 
@@ -32,11 +37,11 @@ public void performAction(final ResultCollector resultCollector, final Project p
         final String projectType = projectInfo.getProjectType().name();
         ProjectMediator.getInstance().saveAllFiles();
         try {
-        ListenableFuture<ValidationResult> result = TmcCoreSingleton.getInstance().runCheckstyle(
-                Paths.get(
-                        projectInfo.getProjectDirAsFile().getAbsolutePath()
-                ));
-        Futures.addCallback(result, new ExplainValidationResult(resultCollector, dialogDisplayer));
+            ListenableFuture<ValidationResult> result = TmcCoreSingleton.getInstance().runCheckstyle(
+                    Paths.get(
+                            projectInfo.getProjectDirAsFile().getAbsolutePath()
+                    ));
+            Futures.addCallback(result, new ExplainValidationResult(resultCollector, dialogDisplayer));
         } catch (TmcCoreException ex) {
             ConvenientDialogDisplayer.getDefault().displayError("Checkstyle audit failed.");
             Exceptions.printStackTrace(ex);
@@ -60,17 +65,33 @@ public void onSuccess(final ValidationResult v) {
         SwingUtilities.invokeLater(new Runnable() {
             @Override
             public void run() {
+                System.out.println("style done yay");
                 resultCollector.setValidationResult(v);
             }
         });
     }
 
     @Override
-    public void onFailure(Throwable thrwbl) {
+    public void onFailure(final Throwable ex) {
         SwingUtilities.invokeLater(new Runnable() {
             @Override
             public void run() {
-                dialogDisplayer.displayError("Failed to validate the code.");
+                if (ex instanceof UnsupportedOperationException) {
+                    resultCollector.setValidationResult(new ValidationResult() {
+
+                        @Override
+                        public Strategy getStrategy() {
+                            return null;
+                        }
+
+                        @Override
+                        public Map<File, List<ValidationError>> getValidationErrors() {
+                            return new HashMap<File, List<ValidationError>>();
+                        }
+                    });
+                } else {
+                    dialogDisplayer.displayError("Failed to validate the code.");
+                }
             }
         });
     }