[Extdoc] add tests for Drag'n'Droprefs/changes/71/8371/6

Change-Id: I01733481beeaa2a8b62cfe730a3f6d148bb723a5

2 files changed, 126 insertions, 0 deletions

diff --git a/plugins/org.eclipse.recommenders.extdoc.rcp/src/org/eclipse/recommenders/internal/extdoc/rcp/ui/ExtdocView.java b/plugins/org.eclipse.recommenders.extdoc.rcp/src/org/eclipse/recommenders/internal/extdoc/rcp/ui/ExtdocView.java
index ab6f724..1b4ab95 100644
--- a/plugins/org.eclipse.recommenders.extdoc.rcp/src/org/eclipse/recommenders/internal/extdoc/rcp/ui/ExtdocView.java
+++ b/plugins/org.eclipse.recommenders.extdoc.rcp/src/org/eclipse/recommenders/internal/extdoc/rcp/ui/ExtdocView.java
@@ -274,6 +274,11 @@ public class ExtdocView extends ViewPart {
         move(oldIndex, newIndex, MOVE_BEFORE);
     }
 
+    @VisibleForTesting
+    public List<ExtdocProvider> getProviderRanking() {
+        return providerRanking;
+    }
+
     private void createContentArea() {
         scrollable = new ScrolledComposite(sash, SWT.H_SCROLL | SWT.V_SCROLL);
         scrollable.getVerticalBar().setIncrement(20);
diff --git a/tests/org.eclipse.recommenders.tests.extdoc.rcp/src/org/eclipse/recommenders/tests/extdoc/ExtdocDnDTest.java b/tests/org.eclipse.recommenders.tests.extdoc.rcp/src/org/eclipse/recommenders/tests/extdoc/ExtdocDnDTest.java
new file mode 100644
index 0000000..68a3cb0
--- a/dev/null
+++ b/tests/org.eclipse.recommenders.tests.extdoc.rcp/src/org/eclipse/recommenders/tests/extdoc/ExtdocDnDTest.java
@@ -0,0 +1,121 @@
+/**
+ * Copyright (c) 2010, 2012 Darmstadt University of Technology.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Patrick Gottschaemmer, Olav Lenz - initial tests
+ */
+package org.eclipse.recommenders.tests.extdoc;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.eclipse.recommenders.extdoc.rcp.providers.ExtdocProvider;
+import org.eclipse.recommenders.internal.extdoc.rcp.ui.ExtdocPreferences;
+import org.eclipse.recommenders.internal.extdoc.rcp.ui.ExtdocView;
+import org.eclipse.recommenders.internal.extdoc.rcp.ui.SubscriptionManager;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.google.common.collect.Lists;
+import com.google.common.eventbus.EventBus;
+
+public class ExtdocDnDTest {
+
+    private ExtdocView view;
+    private List<ExtdocProvider> defaultOrder;
+    private ExtdocProvider provider0;
+    private ExtdocProvider provider1;
+    private ExtdocProvider provider2;
+    private ExtdocProvider provider3;
+    private ExtdocProvider provider4;
+
+    @Before
+    public void setup() {
+        EventBus bus = mock(EventBus.class);
+        SubscriptionManager subManger = mock(SubscriptionManager.class);
+
+        provider0 = mock(ExtdocProvider.class);
+        provider1 = mock(ExtdocProvider.class);
+        provider2 = mock(ExtdocProvider.class);
+        provider3 = mock(ExtdocProvider.class);
+        provider4 = mock(ExtdocProvider.class);
+
+        List<ExtdocProvider> providers = Lists.newArrayList(provider0, provider1, provider2, provider3, provider4);
+
+        defaultOrder = new LinkedList<ExtdocProvider>(providers);
+
+        ExtdocPreferences preferences = mock(ExtdocPreferences.class);
+        view = new ExtdocView(bus, subManger, providers, preferences);
+    }
+
+    @Test
+    public void moveOnItselfBefore() {
+        view.moveBefore(1, 1);
+
+        assertEquals(defaultOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveOnItselfAfter() {
+        view.moveAfter(0, 0);
+
+        assertEquals(defaultOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveAfterNoChange() {
+        view.moveAfter(3, 2);
+
+        assertEquals(defaultOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveBeforeNoChange() {
+        view.moveBefore(2, 3);
+
+        assertEquals(defaultOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveBeforeTop() {
+        view.moveBefore(4, 0);
+
+        List<ExtdocProvider> expectedOrder = Lists.newArrayList(provider4, provider0, provider1, provider2, provider3);
+
+        assertEquals(expectedOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveAfterTop() {
+        view.moveAfter(2, 0);
+
+        List<ExtdocProvider> expectedOrder = Lists.newArrayList(provider0, provider2, provider1, provider3, provider4);
+
+        assertEquals(expectedOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveBeforeBottom() {
+        view.moveBefore(2, 4);
+
+        List<ExtdocProvider> expectedOrder = Lists.newArrayList(provider0, provider1, provider3, provider2, provider4);
+
+        assertEquals(expectedOrder, view.getProviderRanking());
+    }
+
+    @Test
+    public void moveAfterBottom() {
+        view.moveAfter(2, 4);
+
+        List<ExtdocProvider> expectedOrder = Lists.newArrayList(provider0, provider1, provider3, provider4, provider2);
+
+        assertEquals(expectedOrder, view.getProviderRanking());
+    }
+}
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