--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/org/tmatesoft/hg/test/TestMqExtension.java	Thu Jul 12 16:57:40 2012 +0200
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2012 TMate Software Ltd
+ *  
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * For information on how to redistribute this software under
+ * the terms of a license other than GNU General Public License
+ * contact TMate Software at support@hg4j.com
+ */
+package org.tmatesoft.hg.test;
+
+import static org.junit.Assert.*;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+
+import org.junit.Test;
+import org.tmatesoft.hg.repo.HgRepository;
+import org.tmatesoft.hg.repo.ext.MqManager;
+import org.tmatesoft.hg.repo.ext.MqManager.PatchRecord;
+
+/**
+ * {junit-test-repos}/test-mq/
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+public class TestMqExtension {
+
+	@Test
+	public void testMqManager() throws Exception {
+		HgRepository repo = Configuration.get().find("test-mq");
+		MqManager mqManager = new MqManager(repo);
+		mqManager.refresh();
+		OutputParser.Stub output = new OutputParser.Stub();
+		ExecHelper eh = new ExecHelper(output, repo.getWorkingDir());
+		// `hg qseries`
+		eh.run("hg", "qseries");
+		LinkedList<PatchRecord> allKnownPatches = new LinkedList<PatchRecord>(mqManager.getAllKnownPatches());
+		assertTrue("[sanity]", allKnownPatches.size() > 0);
+		for (CharSequence l : output.lines()) {
+			for (Iterator<PatchRecord> it = allKnownPatches.listIterator(); it.hasNext(); ) {
+				if (it.next().getName().equals(l)) {
+					it.remove();
+				}
+			}
+		}
+		assertTrue("Known patches shall match those from `hg qseries`", allKnownPatches.isEmpty());
+		//
+		// `hg qapplied`, patches from the queue already applied to the repo
+		eh.run("hg", "qapplied");
+		LinkedList<PatchRecord> appliedPatches = new LinkedList<PatchRecord>(mqManager.getAppliedPatches());
+		assertTrue("[sanity]", appliedPatches.size() > 0);
+		for (CharSequence l : output.lines()) {
+			for (Iterator<PatchRecord> it = appliedPatches.listIterator(); it.hasNext(); ) {
+				if (it.next().getName().equals(l)) {
+					it.remove();
+				}
+			}
+		}
+		assertTrue("Each patch reported as applied shall match thos from `hg qapplied`", appliedPatches.isEmpty());
+		
+		assertTrue("[sanity] ",mqManager.getQueueSize() > 0);
+		boolean allAppliedAreKnown = mqManager.getAllKnownPatches().containsAll(mqManager.getAppliedPatches());
+		assertTrue(allAppliedAreKnown); // ensure instances are the same, ==
+
+		// `hg qqueue`
+		assertTrue("[sanity]",mqManager.getQueueNames().size() > 1);
+		assertTrue(mqManager.getActiveQueueName().length() > 0);
+		eh.run("hg", "qqueue");
+		boolean activeQueueFound = false;
+		LinkedList<String> queueNames = new LinkedList<String>(mqManager.getQueueNames());
+		for (String l : output.lines()) {
+			if (l.endsWith("(active)")) {
+				l = l.substring(0, l.length() - 8).trim();
+				assertEquals(l, mqManager.getActiveQueueName());
+				assertFalse("only single active queue", activeQueueFound);
+				activeQueueFound = true;
+			}
+			assertTrue(queueNames.remove(l));
+		}
+		assertTrue(activeQueueFound);
+		assertTrue(queueNames.isEmpty()); // every queue name we found matches `hg qqueue` output 
+	}
+}