org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushProcessTest.java - jgit - Git at Google

 /*
  * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
  * and other copyright owners as documented in the project's IP log.
  *
  * This program and the accompanying materials are made available
  * under the terms of the Eclipse Distribution License v1.0 which
  * accompanies this distribution, is reproduced below, and is
  * available at http://www.eclipse.org/org/documents/edl-v10.php
  *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or
  * without modification, are permitted provided that the following
  * conditions are met:
  *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  *
  * - Redistributions in binary form must reproduce the above
  *   copyright notice, this list of conditions and the following
  *   disclaimer in the documentation and/or other materials provided
  *   with the distribution.
  *
  * - Neither the name of the Eclipse Foundation, Inc. nor the
  *   names of its contributors may be used to endorse or promote
  *   products derived from this software without specific prior
  *   written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 package org.eclipse.jgit.transport;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;

 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;

 import org.eclipse.jgit.errors.NotSupportedException;
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectIdRef;
 import org.eclipse.jgit.lib.ProgressMonitor;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.RefUpdate.Result;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.lib.TextProgressMonitor;
 import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
 import org.eclipse.jgit.transport.RemoteRefUpdate.Status;
 import org.junit.Before;
 import org.junit.Test;

 public class PushProcessTest extends SampleDataRepositoryTestCase {
 	private PushProcess process;

 	private MockTransport transport;

 	private HashSet<RemoteRefUpdate> refUpdates;

 	private HashSet<Ref> advertisedRefs;

 	private Status connectionUpdateStatus;

 	@Override
 	@Before
 	public void setUp() throws Exception {
 		super.setUp();
 		transport = new MockTransport(db, new URIish());
 		refUpdates = new HashSet<>();
 		advertisedRefs = new HashSet<>();
 		connectionUpdateStatus = Status.OK;
 	}

 	/**
 	 * Test for fast-forward remote update.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateFastForward() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		testOneUpdateStatus(rru, ref, Status.OK, Boolean.TRUE);
 	}

 	/**
 	 * Test for non fast-forward remote update, when remote object is not known
 	 * to local repository.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateNonFastForwardUnknownObject() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("0000000000000000000000000000000000000001"));
 		testOneUpdateStatus(rru, ref, Status.REJECTED_NONFASTFORWARD, null);
 	}

 	/**
 	 * Test for non fast-forward remote update, when remote object is known to
 	 * local repository, but it is not an ancestor of new object.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateNonFastForward() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
 		testOneUpdateStatus(rru, ref, Status.REJECTED_NONFASTFORWARD, null);
 	}

 	/**
 	 * Test for non fast-forward remote update, when force update flag is set.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateNonFastForwardForced() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
 				"refs/heads/master", true, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
 		testOneUpdateStatus(rru, ref, Status.OK, Boolean.FALSE);
 	}

 	/**
 	 * Test for remote ref creation.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateCreateRef() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
 				"refs/heads/master", false, null, null);
 		testOneUpdateStatus(rru, null, Status.OK, Boolean.TRUE);
 	}

 	/**
 	 * Test for remote ref deletion.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateDelete() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db, (String) null,
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
 		testOneUpdateStatus(rru, ref, Status.OK, Boolean.TRUE);
 	}

 	/**
 	 * Test for remote ref deletion (try), when that ref doesn't exist on remote
 	 * repo.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateDeleteNonExisting() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db, (String) null,
 				"refs/heads/master", false, null, null);
 		testOneUpdateStatus(rru, null, Status.NON_EXISTING, null);
 	}

 	/**
 	 * Test for remote ref update, when it is already up to date.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateUpToDate() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
 		testOneUpdateStatus(rru, ref, Status.UP_TO_DATE, null);
 	}

 	/**
 	 * Test for remote ref update with expected remote object.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateExpectedRemote() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, ObjectId
 						.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		testOneUpdateStatus(rru, ref, Status.OK, Boolean.TRUE);
 	}

 	/**
 	 * Test for remote ref update with expected old object set, when old object
 	 * is not that expected one.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateUnexpectedRemote() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, ObjectId
 						.fromString("0000000000000000000000000000000000000001"));
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		testOneUpdateStatus(rru, ref, Status.REJECTED_REMOTE_CHANGED, null);
 	}

 	/**
 	 * Test for remote ref update with expected old object set, when old object
 	 * is not that expected one and force update flag is set (which should have
 	 * lower priority) - shouldn't change behavior.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateUnexpectedRemoteVsForce() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", true, null, ObjectId
 						.fromString("0000000000000000000000000000000000000001"));
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		testOneUpdateStatus(rru, ref, Status.REJECTED_REMOTE_CHANGED, null);
 	}

 	/**
 	 * Test for remote ref update, when connection rejects update.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateRejectedByConnection() throws IOException {
 		connectionUpdateStatus = Status.REJECTED_OTHER_REASON;
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		testOneUpdateStatus(rru, ref, Status.REJECTED_OTHER_REASON, null);
 	}

 	/**
 	 * Test for remote refs updates with mixed cases that shouldn't depend on
 	 * each other.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testUpdateMixedCases() throws IOException {
 		final RemoteRefUpdate rruOk = new RemoteRefUpdate(db, (String) null,
 				"refs/heads/master", false, null, null);
 		final Ref refToChange = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
 		final RemoteRefUpdate rruReject = new RemoteRefUpdate(db,
 				(String) null, "refs/heads/nonexisting", false, null, null);
 		refUpdates.add(rruOk);
 		refUpdates.add(rruReject);
 		advertisedRefs.add(refToChange);
 		executePush();
 		assertEquals(Status.OK, rruOk.getStatus());
 		assertTrue(rruOk.isFastForward());
 		assertEquals(Status.NON_EXISTING, rruReject.getStatus());
 	}

 	/**
 	 * Test for local tracking ref update.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testTrackingRefUpdateEnabled() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, "refs/remotes/test/master", null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		refUpdates.add(rru);
 		advertisedRefs.add(ref);
 		final PushResult result = executePush();
 		final TrackingRefUpdate tru = result
 				.getTrackingRefUpdate("refs/remotes/test/master");
 		assertNotNull(tru);
 		assertEquals("refs/remotes/test/master", tru.getLocalName());
 		assertEquals(Result.NEW, tru.getResult());
 	}

 	/**
 	 * Test for local tracking ref update disabled.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testTrackingRefUpdateDisabled() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		refUpdates.add(rru);
 		advertisedRefs.add(ref);
 		final PushResult result = executePush();
 		assertTrue(result.getTrackingRefUpdates().isEmpty());
 	}

 	/**
 	 * Test for local tracking ref update when remote update has failed.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testTrackingRefUpdateOnReject() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
 				"refs/heads/master", false, null, null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
 		final PushResult result = testOneUpdateStatus(rru, ref,
 				Status.REJECTED_NONFASTFORWARD, null);
 		assertTrue(result.getTrackingRefUpdates().isEmpty());
 	}

 	/**
 	 * Test for push operation result - that contains expected elements.
 	 *
 	 * @throws IOException
 	 */
 	@Test
 	public void testPushResult() throws IOException {
 		final RemoteRefUpdate rru = new RemoteRefUpdate(db,
 				"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
 				"refs/heads/master", false, "refs/remotes/test/master", null);
 		final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
 				ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
 		refUpdates.add(rru);
 		advertisedRefs.add(ref);
 		final PushResult result = executePush();
 		assertEquals(1, result.getTrackingRefUpdates().size());
 		assertEquals(1, result.getAdvertisedRefs().size());
 		assertEquals(1, result.getRemoteUpdates().size());
 		assertNotNull(result.getTrackingRefUpdate("refs/remotes/test/master"));
 		assertNotNull(result.getAdvertisedRef("refs/heads/master"));
 		assertNotNull(result.getRemoteUpdate("refs/heads/master"));
 	}

 	private PushResult testOneUpdateStatus(final RemoteRefUpdate rru,
 			final Ref advertisedRef, final Status expectedStatus,
 			Boolean fastForward) throws NotSupportedException,
 			TransportException {
 		refUpdates.add(rru);
 		if (advertisedRef != null)
 			advertisedRefs.add(advertisedRef);
 		final PushResult result = executePush();
 		assertEquals(expectedStatus, rru.getStatus());
 		if (fastForward != null)
 			assertEquals(fastForward, Boolean.valueOf(rru.isFastForward()));
 		return result;
 	}

 	private PushResult executePush() throws NotSupportedException,
 			TransportException {
 		process = new PushProcess(transport, refUpdates);
 		return process.execute(new TextProgressMonitor());
 	}

 	private class MockTransport extends Transport {
 		MockTransport(Repository local, URIish uri) {
 			super(local, uri);
 		}

 		@Override
 		public FetchConnection openFetch() throws NotSupportedException,
 				TransportException {
 			throw new NotSupportedException("mock");
 		}

 		@Override
 		public PushConnection openPush() throws NotSupportedException,
 				TransportException {
 			return new MockPushConnection();
 		}

 		@Override
 		public void close() {
 			// nothing here
 		}
 	}

 	private class MockPushConnection extends BaseConnection implements
 			PushConnection {
 		MockPushConnection() {
 			final Map<String, Ref> refsMap = new HashMap<>();
 			for (Ref r : advertisedRefs)
 				refsMap.put(r.getName(), r);
 			available(refsMap);
 		}

 		@Override
 		public void close() {
 			// nothing here
 		}

 		@Override
 		public void push(ProgressMonitor monitor,
 				Map<String, RemoteRefUpdate> refsToUpdate, OutputStream out)
 				throws TransportException {
 			push(monitor, refsToUpdate);
 		}

 		@Override
 		public void push(ProgressMonitor monitor,
 				Map<String, RemoteRefUpdate> refsToUpdate)
 				throws TransportException {
 			for (RemoteRefUpdate rru : refsToUpdate.values()) {
 				assertEquals(Status.NOT_ATTEMPTED, rru.getStatus());
 				rru.setStatus(connectionUpdateStatus);
 			}
 		}
 	}
 }
	/*
	* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
	* and other copyright owners as documented in the project's IP log.
	*
	* This program and the accompanying materials are made available
	* under the terms of the Eclipse Distribution License v1.0 which
	* accompanies this distribution, is reproduced below, and is
	* available at http://www.eclipse.org/org/documents/edl-v10.php
	*
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials provided
	* with the distribution.
	*
	* - Neither the name of the Eclipse Foundation, Inc. nor the
	* names of its contributors may be used to endorse or promote
	* products derived from this software without specific prior
	* written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
	* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	package org.eclipse.jgit.transport;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertNotNull;
	import static org.junit.Assert.assertTrue;

	import java.io.IOException;
	import java.io.OutputStream;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Map;

	import org.eclipse.jgit.errors.NotSupportedException;
	import org.eclipse.jgit.errors.TransportException;
	import org.eclipse.jgit.lib.ObjectId;
	import org.eclipse.jgit.lib.ObjectIdRef;
	import org.eclipse.jgit.lib.ProgressMonitor;
	import org.eclipse.jgit.lib.Ref;
	import org.eclipse.jgit.lib.RefUpdate.Result;
	import org.eclipse.jgit.lib.Repository;
	import org.eclipse.jgit.lib.TextProgressMonitor;
	import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase;
	import org.eclipse.jgit.transport.RemoteRefUpdate.Status;
	import org.junit.Before;
	import org.junit.Test;

	public class PushProcessTest extends SampleDataRepositoryTestCase {
	private PushProcess process;

	private MockTransport transport;

	private HashSet<RemoteRefUpdate> refUpdates;

	private HashSet<Ref> advertisedRefs;

	private Status connectionUpdateStatus;

	@Override
	@Before
	public void setUp() throws Exception {
	super.setUp();
	transport = new MockTransport(db, new URIish());
	refUpdates = new HashSet<>();
	advertisedRefs = new HashSet<>();
	connectionUpdateStatus = Status.OK;
	}

	/**
	* Test for fast-forward remote update.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateFastForward() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	testOneUpdateStatus(rru, ref, Status.OK, Boolean.TRUE);
	}

	/**
	* Test for non fast-forward remote update, when remote object is not known
	* to local repository.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateNonFastForwardUnknownObject() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("0000000000000000000000000000000000000001"));
	testOneUpdateStatus(rru, ref, Status.REJECTED_NONFASTFORWARD, null);
	}

	/**
	* Test for non fast-forward remote update, when remote object is known to
	* local repository, but it is not an ancestor of new object.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateNonFastForward() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
	testOneUpdateStatus(rru, ref, Status.REJECTED_NONFASTFORWARD, null);
	}

	/**
	* Test for non fast-forward remote update, when force update flag is set.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateNonFastForwardForced() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
	"refs/heads/master", true, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
	testOneUpdateStatus(rru, ref, Status.OK, Boolean.FALSE);
	}

	/**
	* Test for remote ref creation.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateCreateRef() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
	"refs/heads/master", false, null, null);
	testOneUpdateStatus(rru, null, Status.OK, Boolean.TRUE);
	}

	/**
	* Test for remote ref deletion.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateDelete() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db, (String) null,
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
	testOneUpdateStatus(rru, ref, Status.OK, Boolean.TRUE);
	}

	/**
	* Test for remote ref deletion (try), when that ref doesn't exist on remote
	* repo.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateDeleteNonExisting() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db, (String) null,
	"refs/heads/master", false, null, null);
	testOneUpdateStatus(rru, null, Status.NON_EXISTING, null);
	}

	/**
	* Test for remote ref update, when it is already up to date.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateUpToDate() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
	testOneUpdateStatus(rru, ref, Status.UP_TO_DATE, null);
	}

	/**
	* Test for remote ref update with expected remote object.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateExpectedRemote() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, ObjectId
	.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	testOneUpdateStatus(rru, ref, Status.OK, Boolean.TRUE);
	}

	/**
	* Test for remote ref update with expected old object set, when old object
	* is not that expected one.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateUnexpectedRemote() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, ObjectId
	.fromString("0000000000000000000000000000000000000001"));
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	testOneUpdateStatus(rru, ref, Status.REJECTED_REMOTE_CHANGED, null);
	}

	/**
	* Test for remote ref update with expected old object set, when old object
	* is not that expected one and force update flag is set (which should have
	* lower priority) - shouldn't change behavior.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateUnexpectedRemoteVsForce() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", true, null, ObjectId
	.fromString("0000000000000000000000000000000000000001"));
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	testOneUpdateStatus(rru, ref, Status.REJECTED_REMOTE_CHANGED, null);
	}

	/**
	* Test for remote ref update, when connection rejects update.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateRejectedByConnection() throws IOException {
	connectionUpdateStatus = Status.REJECTED_OTHER_REASON;
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	testOneUpdateStatus(rru, ref, Status.REJECTED_OTHER_REASON, null);
	}

	/**
	* Test for remote refs updates with mixed cases that shouldn't depend on
	* each other.
	*
	* @throws IOException
	*/
	@Test
	public void testUpdateMixedCases() throws IOException {
	final RemoteRefUpdate rruOk = new RemoteRefUpdate(db, (String) null,
	"refs/heads/master", false, null, null);
	final Ref refToChange = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
	final RemoteRefUpdate rruReject = new RemoteRefUpdate(db,
	(String) null, "refs/heads/nonexisting", false, null, null);
	refUpdates.add(rruOk);
	refUpdates.add(rruReject);
	advertisedRefs.add(refToChange);
	executePush();
	assertEquals(Status.OK, rruOk.getStatus());
	assertTrue(rruOk.isFastForward());
	assertEquals(Status.NON_EXISTING, rruReject.getStatus());
	}

	/**
	* Test for local tracking ref update.
	*
	* @throws IOException
	*/
	@Test
	public void testTrackingRefUpdateEnabled() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, "refs/remotes/test/master", null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	refUpdates.add(rru);
	advertisedRefs.add(ref);
	final PushResult result = executePush();
	final TrackingRefUpdate tru = result
	.getTrackingRefUpdate("refs/remotes/test/master");
	assertNotNull(tru);
	assertEquals("refs/remotes/test/master", tru.getLocalName());
	assertEquals(Result.NEW, tru.getResult());
	}

	/**
	* Test for local tracking ref update disabled.
	*
	* @throws IOException
	*/
	@Test
	public void testTrackingRefUpdateDisabled() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	refUpdates.add(rru);
	advertisedRefs.add(ref);
	final PushResult result = executePush();
	assertTrue(result.getTrackingRefUpdates().isEmpty());
	}

	/**
	* Test for local tracking ref update when remote update has failed.
	*
	* @throws IOException
	*/
	@Test
	public void testTrackingRefUpdateOnReject() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"ac7e7e44c1885efb472ad54a78327d66bfc4ecef",
	"refs/heads/master", false, null, null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("2c349335b7f797072cf729c4f3bb0914ecb6dec9"));
	final PushResult result = testOneUpdateStatus(rru, ref,
	Status.REJECTED_NONFASTFORWARD, null);
	assertTrue(result.getTrackingRefUpdates().isEmpty());
	}

	/**
	* Test for push operation result - that contains expected elements.
	*
	* @throws IOException
	*/
	@Test
	public void testPushResult() throws IOException {
	final RemoteRefUpdate rru = new RemoteRefUpdate(db,
	"2c349335b7f797072cf729c4f3bb0914ecb6dec9",
	"refs/heads/master", false, "refs/remotes/test/master", null);
	final Ref ref = new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, "refs/heads/master",
	ObjectId.fromString("ac7e7e44c1885efb472ad54a78327d66bfc4ecef"));
	refUpdates.add(rru);
	advertisedRefs.add(ref);
	final PushResult result = executePush();
	assertEquals(1, result.getTrackingRefUpdates().size());
	assertEquals(1, result.getAdvertisedRefs().size());
	assertEquals(1, result.getRemoteUpdates().size());
	assertNotNull(result.getTrackingRefUpdate("refs/remotes/test/master"));
	assertNotNull(result.getAdvertisedRef("refs/heads/master"));
	assertNotNull(result.getRemoteUpdate("refs/heads/master"));
	}

	private PushResult testOneUpdateStatus(final RemoteRefUpdate rru,
	final Ref advertisedRef, final Status expectedStatus,
	Boolean fastForward) throws NotSupportedException,
	TransportException {
	refUpdates.add(rru);
	if (advertisedRef != null)
	advertisedRefs.add(advertisedRef);
	final PushResult result = executePush();
	assertEquals(expectedStatus, rru.getStatus());
	if (fastForward != null)
	assertEquals(fastForward, Boolean.valueOf(rru.isFastForward()));
	return result;
	}

	private PushResult executePush() throws NotSupportedException,
	TransportException {
	process = new PushProcess(transport, refUpdates);
	return process.execute(new TextProgressMonitor());
	}

	private class MockTransport extends Transport {
	MockTransport(Repository local, URIish uri) {
	super(local, uri);
	}

	@Override
	public FetchConnection openFetch() throws NotSupportedException,
	TransportException {
	throw new NotSupportedException("mock");
	}

	@Override
	public PushConnection openPush() throws NotSupportedException,
	TransportException {
	return new MockPushConnection();
	}

	@Override
	public void close() {
	// nothing here
	}
	}

	private class MockPushConnection extends BaseConnection implements
	PushConnection {
	MockPushConnection() {
	final Map<String, Ref> refsMap = new HashMap<>();
	for (Ref r : advertisedRefs)
	refsMap.put(r.getName(), r);
	available(refsMap);
	}

	@Override
	public void close() {
	// nothing here
	}

	@Override
	public void push(ProgressMonitor monitor,
	Map<String, RemoteRefUpdate> refsToUpdate, OutputStream out)
	throws TransportException {
	push(monitor, refsToUpdate);
	}

	@Override
	public void push(ProgressMonitor monitor,
	Map<String, RemoteRefUpdate> refsToUpdate)
	throws TransportException {
	for (RemoteRefUpdate rru : refsToUpdate.values()) {
	assertEquals(Status.NOT_ATTEMPTED, rru.getStatus());
	rru.setStatus(connectionUpdateStatus);
	}
	}
	}
	}