1 files changed, 81 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.tasks.core.tests/src/org/eclipse/mylyn/internal/tasks/core/externalization/LazyTransferListTest.java b/org.eclipse.mylyn.tasks.core.tests/src/org/eclipse/mylyn/internal/tasks/core/externalization/LazyTransferListTest.java
new file mode 100644
index 000000000..c66e67797
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.core.tests/src/org/eclipse/mylyn/internal/tasks/core/externalization/LazyTransferListTest.java
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * Copyright (c) 2018 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.internal.tasks.core.externalization;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+
+import org.eclipse.mylyn.internal.tasks.core.AbstractTask;
+import org.eclipse.mylyn.internal.tasks.core.ITransferList;
+import org.eclipse.mylyn.internal.tasks.core.TaskList;
+import org.eclipse.mylyn.internal.tasks.core.TaskTask;
+import org.junit.Before;
+import org.junit.Test;
+
+public class LazyTransferListTest {
+
+	private ITransferList taskList;
+
+	private LazyTransferList lazyList;
+
+	@Before
+	public void setUp() throws Exception {
+		taskList = mock(TaskList.class);
+		lazyList = new LazyTransferList(taskList);
+	}
+
+	@Test
+	public void addUnmatchedTask() {
+		AbstractTask task = spy(new TaskTask("kind", "repoUrl", "id"));
+
+		// add to unmatched
+		lazyList.addTask(task);
+
+		// should not add task to task list
+		verify(taskList, never()).addTask(task);
+		verify(taskList, never()).addTask(eq(task), any());
+
+		// commit should add the task to task list
+		lazyList.commit();
+		verify(taskList).addTask(task);
+
+		// subsequent commit should not add task again
+		lazyList.commit();
+		verifyNoMoreInteractions(taskList);
+	}
+
+	@Test
+	public void addSubTask() {
+		AbstractTask task = spy(new TaskTask("kind", "repoUrl", "parent"));
+		AbstractTask subTask = spy(new TaskTask("kind", "repoUrl", "child"));
+
+		// add subtask to a task container
+		lazyList.addTask(subTask);
+		lazyList.addTask(task);
+		lazyList.addTask(subTask, task);
+
+		// should add task and subtask to task list
+		verify(taskList).addTask(task);
+		verify(taskList).addTask(subTask, task);
+		verifyNoMoreInteractions(taskList);
+
+		// commit should not add anything to task list
+		lazyList.commit();
+		verifyNoMoreInteractions(taskList);
+	}
+
+}