391953: add tests for TaskDataDiff

Change-Id: I51b9c2f85675e2e6ca92ffda39228826114bdb5b
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=391953

2 files changed, 126 insertions, 0 deletions

diff --git a/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java b/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java
index 2db09cc2b..d490fa4dc 100644
--- a/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java
+++ b/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/AllTasksTests.java
@@ -28,6 +28,7 @@ import org.eclipse.mylyn.tasks.tests.core.TaskRepositoryLocationTest;
 import org.eclipse.mylyn.tasks.tests.core.TaskRepositoryTest;
 import org.eclipse.mylyn.tasks.tests.data.TaskAttributeMapperTest;
 import org.eclipse.mylyn.tasks.tests.data.TaskAttributeTest;
+import org.eclipse.mylyn.tasks.tests.data.TaskDataDiffTest;
 import org.eclipse.mylyn.tasks.tests.data.TaskDataExternalizerTest;
 import org.eclipse.mylyn.tasks.tests.data.Xml11InputStreamTest;
 import org.eclipse.mylyn.tasks.tests.ui.AbstractRepositoryConnectorUiTest;
@@ -144,6 +145,7 @@ public class AllTasksTests {
 		suite.addTestSuite(ScheduledTaskContainerTest.class);
 		suite.addTestSuite(RepositoryConnectorContributorTest.class);
 		suite.addTestSuite(TaskInitializationDataTest.class);
+		suite.addTestSuite(TaskDataDiffTest.class);
 		return suite;
 	}
 
diff --git a/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/data/TaskDataDiffTest.java b/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/data/TaskDataDiffTest.java
new file mode 100644
index 000000000..de6db56d2
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.tests/src/org/eclipse/mylyn/tasks/tests/data/TaskDataDiffTest.java
@@ -0,0 +1,124 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Tasktop Technologies and others.
+ * 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.tasks.tests.data;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.eclipse.mylyn.internal.tasks.core.RepositoryModel;
+import org.eclipse.mylyn.internal.tasks.core.TaskList;
+import org.eclipse.mylyn.internal.tasks.core.TaskRepositoryManager;
+import org.eclipse.mylyn.internal.tasks.core.TaskTask;
+import org.eclipse.mylyn.internal.tasks.core.data.TaskAttributeDiff;
+import org.eclipse.mylyn.internal.tasks.core.data.TaskDataDiff;
+import org.eclipse.mylyn.tasks.core.IRepositoryManager;
+import org.eclipse.mylyn.tasks.core.ITask;
+import org.eclipse.mylyn.tasks.core.TaskRepository;
+import org.eclipse.mylyn.tasks.core.data.ITaskAttributeDiff;
+import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
+import org.eclipse.mylyn.tasks.core.data.TaskAttributeMapper;
+import org.eclipse.mylyn.tasks.core.data.TaskData;
+import org.junit.Test;
+
+/**
+ * @author Steffen Pingel
+ */
+public class TaskDataDiffTest extends TestCase {
+
+	private RepositoryModel model;
+
+	private TaskRepository repository;
+
+	private TaskAttributeMapper mapper;
+
+	private TaskData newData;
+
+	private TaskData oldData;
+
+	@Override
+	protected void setUp() throws Exception {
+		ITask task = new TaskTask("kind", "url", "1");
+		repository = new TaskRepository(task.getConnectorKind(), task.getRepositoryUrl());
+		mapper = new TaskAttributeMapper(repository);
+		IRepositoryManager repositoryManager = new TaskRepositoryManager();
+		repositoryManager.addRepository(repository);
+		TaskList taskList = new TaskList();
+		taskList.addTask(task);
+		model = new RepositoryModel(taskList, repositoryManager);
+
+		newData = new TaskData(mapper, repository.getConnectorKind(), repository.getUrl(), "1");
+		oldData = new TaskData(mapper, repository.getConnectorKind(), repository.getUrl(), "1");
+	}
+
+	@Test
+	public void testGetChangedAttributes() {
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		assertEquals(Collections.emptySet(), diff.getChangedAttributes());
+	}
+
+	@Test
+	public void testGetChangedAttributesMultiple() {
+		TaskAttribute attributeCustom = newData.getRoot().createAttribute("custom");
+		attributeCustom.setValue("1");
+		TaskAttribute attributeSummary = newData.getRoot().createAttribute(TaskAttribute.SUMMARY);
+		attributeSummary.setValue("1");
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		assertEquals(Collections.singleton(new TaskAttributeDiff(null, attributeSummary)), diff.getChangedAttributes());
+	}
+
+	@Test
+	public void testGetChangedAttributesMultipleKind() {
+		TaskAttribute attributeCustom = newData.getRoot().createAttribute("custom");
+		attributeCustom.setValue("1");
+		attributeCustom.getMetaData().setKind("kind");
+		TaskAttribute attributeSummary = newData.getRoot().createAttribute(TaskAttribute.SUMMARY);
+		attributeSummary.setValue("1");
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		List<TaskAttributeDiff> expected = Arrays.asList(new TaskAttributeDiff(null, attributeSummary),
+				new TaskAttributeDiff(null, attributeCustom));
+		assertEquals(new LinkedHashSet<ITaskAttributeDiff>(expected), diff.getChangedAttributes());
+	}
+
+	@Test
+	public void testGetChangedAttributesSummary() {
+		TaskAttribute attribute = newData.getRoot().createAttribute(TaskAttribute.SUMMARY);
+		attribute.setValue("text");
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		assertEquals(Collections.singleton(new TaskAttributeDiff(null, attribute)), diff.getChangedAttributes());
+	}
+
+	@Test
+	public void testGetChangedAttributesSummaryEmptyValue() {
+		newData.getRoot().createAttribute(TaskAttribute.SUMMARY);
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		assertEquals(Collections.emptySet(), diff.getChangedAttributes());
+	}
+
+	@Test
+	public void testHasChanges() {
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		assertTrue(diff.hasChanged());
+	}
+
+	@Test
+	public void testHasChangesAttribute() {
+		newData.getRoot().createAttribute(TaskAttribute.SUMMARY).setValue("text");
+		TaskDataDiff diff = new TaskDataDiff(model, newData, oldData);
+		assertTrue(diff.hasChanged());
+		diff.setHasChanged(false);
+		assertFalse(diff.hasChanged());
+	}
+}