Add unit test for PMDCheckAction

Author: adangel

net.sourceforge.pmd.eclipse.plugin.test/src/main/java/net/sourceforge/pmd/eclipse/ui/actions/PMDCheckActionTest.java

@@ -0,0 +1,91 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.eclipse.ui.actions;
+
+import java.io.InputStream;
+
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.WorkspaceJob;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import net.sourceforge.pmd.eclipse.EclipseUtils;
+import net.sourceforge.pmd.eclipse.plugin.PMDPlugin;
+import net.sourceforge.pmd.eclipse.runtime.properties.IProjectProperties;
+
+public class PMDCheckActionTest {
+    private IProject testProject;
+
+    @Before
+    public void setUp() throws Exception {
+        // 1. Create a Java project
+        this.testProject = EclipseUtils.createJavaProject("PMDCheckActionTest");
+        Assert.assertTrue("A test project cannot be created; the tests cannot be performed.",
+                this.testProject != null && this.testProject.exists() && this.testProject.isAccessible());
+
+        // 2. Create a test source file inside that project
+        EclipseUtils.createTestSourceFile(this.testProject);
+        final InputStream is = EclipseUtils.getResourceStream(this.testProject, "/src/Test.java");
+        Assert.assertNotNull("Cannot find the test source file", is);
+        is.close();
+
+        // 3. Enable PMD for the test project
+        IProjectProperties properties = PMDPlugin.getDefault().getPropertiesManager()
+                .loadProjectProperties(testProject);
+        properties.setPmdEnabled(true);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        try {
+            if (this.testProject != null) {
+                if (this.testProject.exists() && this.testProject.isAccessible()) {
+                    EclipseUtils.removePMDNature(this.testProject);
+                    this.testProject.refreshLocal(IResource.DEPTH_INFINITE, null);
+                    this.testProject.delete(true, true, null);
+                    this.testProject = null;
+                }
+            }
+        } catch (final Exception e) {
+            System.out.println("Exception " + e.getClass().getName() + " when tearing down. Ignored.");
+        }
+    }
+
+    @Test
+    public void runCheckAction() throws CoreException, InterruptedException {
+        IMarker[] markers = testProject.findMarkers("net.sourceforge.pmd.eclipse.plugin.pmdMarker", true, IResource.DEPTH_INFINITE);
+        Assert.assertEquals(0, markers.length);
+
+        ISelection selection = new StructuredSelection(testProject);
+        PMDCheckAction action = new PMDCheckAction();
+        action.selectionChanged(null, selection);
+        action.run(null);
+
+        while (isReviewCodeJobStillRunning()) {
+            Thread.sleep(500);
+        }
+
+        markers = testProject.findMarkers("net.sourceforge.pmd.eclipse.plugin.pmdMarker", true, IResource.DEPTH_INFINITE);
+        Assert.assertTrue("at least one marker is expected", markers.length > 0);
+    }
+
+    private boolean isReviewCodeJobStillRunning() {
+        Job[] jobs = WorkspaceJob.getJobManager().find(null);
+        for (Job job : jobs) {
+            if ("ReviewCode".equals(job.getName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+}