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

 /*
  * Copyright (C) 2015, Google Inc.
  * 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.eclipse.jgit.transport.BasePackPushConnection.CAPABILITY_REPORT_STATUS;
 import static org.eclipse.jgit.transport.BasePackPushConnection.CAPABILITY_SIDE_BAND_64K;
 import static org.eclipse.jgit.transport.RemoteRefUpdate.Status.REJECTED_OTHER_REASON;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;

 import java.io.IOException;
 import java.io.StringWriter;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
 import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
 import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.NullProgressMonitor;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectInserter;
 import org.eclipse.jgit.lib.RefUpdate;
 import org.eclipse.jgit.lib.Repository;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;

 public class PushConnectionTest {
 	private URIish uri;
 	private TestProtocol<Object> testProtocol;
 	private Object ctx = new Object();
 	private InMemoryRepository server;
 	private InMemoryRepository client;
 	private List<String> processedRefs;
 	private ObjectId obj1;
 	private ObjectId obj2;
 	private ObjectId obj3;
 	private String refName = "refs/tags/blob";

 	@Before
 	public void setUp() throws Exception {
 		server = newRepo("server");
 		client = newRepo("client");
 		processedRefs = new ArrayList<>();
 		testProtocol = new TestProtocol<>(null, (Object req, Repository db) -> {
 			ReceivePack rp = new ReceivePack(db);
 			rp.setPreReceiveHook((ReceivePack receivePack,
 					Collection<ReceiveCommand> cmds) -> {
 				for (ReceiveCommand cmd : cmds) {
 					processedRefs.add(cmd.getRefName());
 				}
 			});
 			return rp;
 		});
 		uri = testProtocol.register(ctx, server);

 		try (ObjectInserter ins = server.newObjectInserter()) {
 			obj1 = ins.insert(Constants.OBJ_BLOB, Constants.encode("test"));
 			obj3 = ins.insert(Constants.OBJ_BLOB, Constants.encode("not"));
 			ins.flush();

 			RefUpdate u = server.updateRef(refName);
 			u.setNewObjectId(obj1);
 			assertEquals(RefUpdate.Result.NEW, u.update());
 		}

 		try (ObjectInserter ins = client.newObjectInserter()) {
 			obj2 = ins.insert(Constants.OBJ_BLOB, Constants.encode("file"));
 			ins.flush();
 		}
 	}

 	@After
 	public void tearDown() {
 		Transport.unregister(testProtocol);
 	}

 	private static InMemoryRepository newRepo(String name) {
 		return new InMemoryRepository(new DfsRepositoryDescription(name));
 	}

 	@Test
 	public void testWrongOldIdDoesNotReplace() throws IOException {
 		RemoteRefUpdate rru = new RemoteRefUpdate(null, null, obj2, refName,
 				false, null, obj3);

 		Map<String, RemoteRefUpdate> updates = new HashMap<>();
 		updates.put(rru.getRemoteName(), rru);

 		try (Transport tn = testProtocol.open(uri, client, "server");
 				PushConnection connection = tn.openPush()) {
 			connection.push(NullProgressMonitor.INSTANCE, updates);
 		}

 		assertEquals(REJECTED_OTHER_REASON, rru.getStatus());
 		assertEquals("invalid old id sent", rru.getMessage());
 	}

 	@Test
 	public void invalidCommand() throws IOException {
 		try (Transport tn = testProtocol.open(uri, client, "server");
 				InternalPushConnection c = (InternalPushConnection) tn.openPush()) {
 			StringWriter msgs = new StringWriter();
 			PacketLineOut pckOut = c.pckOut;

 			@SuppressWarnings("resource")
 			SideBandInputStream in = new SideBandInputStream(c.in,
 					NullProgressMonitor.INSTANCE, msgs, null);

 			// Explicitly invalid command, but sane enough capabilities.
 			StringBuilder buf = new StringBuilder();
 			buf.append("42");
 			buf.append(' ');
 			buf.append(obj2.name());
 			buf.append(' ');
 			buf.append("refs/heads/A" + obj2.name());
 			buf.append('\0').append(CAPABILITY_SIDE_BAND_64K);
 			buf.append(' ').append(CAPABILITY_REPORT_STATUS);
 			buf.append('\n');
 			pckOut.writeString(buf.toString());
 			pckOut.end();

 			try {
 				in.read();
 				fail("expected TransportException");
 			} catch (TransportException e) {
 				assertEquals(
 						"remote: error: invalid protocol: wanted 'old new ref'",
 						e.getMessage());
 			}
 		}
 	}

 	@Test
 	public void limitCommandBytes() throws IOException {
 		Map<String, RemoteRefUpdate> updates = new HashMap<>();
 		for (int i = 0; i < 4; i++) {
 			RemoteRefUpdate rru = new RemoteRefUpdate(
 					null, null, obj2, "refs/test/T" + i,
 					false, null, ObjectId.zeroId());
 			updates.put(rru.getRemoteName(), rru);
 		}

 		server.getConfig().setInt("receive", null, "maxCommandBytes", 195);
 		try (Transport tn = testProtocol.open(uri, client, "server");
 				PushConnection connection = tn.openPush()) {
 			try {
 				connection.push(NullProgressMonitor.INSTANCE, updates);
 				fail("server did not abort");
 			} catch (TransportException e) {
 				String msg = e.getMessage();
 				assertEquals("remote: Too many commands", msg);
 			}
 		}
 	}

 	@Test
 	public void commandOrder() throws Exception {
 		List<RemoteRefUpdate> updates = new ArrayList<>();
 		try (TestRepository<?> tr = new TestRepository<>(client)) {
 			// Arbitrary non-sorted order.
 			for (int i = 9; i >= 0; i--) {
 				String name = "refs/heads/b" + i;
 				tr.branch(name).commit().create();
 				RemoteRefUpdate rru = new RemoteRefUpdate(client, name, name,
 						false, null, ObjectId.zeroId());
 				updates.add(rru);
 			}
 		}

 		PushResult result;
 		try (Transport tn = testProtocol.open(uri, client, "server")) {
 			result = tn.push(NullProgressMonitor.INSTANCE, updates);
 		}

 		for (RemoteRefUpdate remoteUpdate : result.getRemoteUpdates()) {
 			assertEquals(
 					"update should succeed on " + remoteUpdate.getRemoteName(),
 					RemoteRefUpdate.Status.OK, remoteUpdate.getStatus());
 		}

 		List<String> expected = remoteRefNames(updates);
 		assertEquals(
 				"ref names processed by ReceivePack should match input ref names in order",
 				expected, processedRefs);
 		assertEquals(
 				"remote ref names should match input ref names in order",
 				expected, remoteRefNames(result.getRemoteUpdates()));
 	}

 	private static List<String> remoteRefNames(Collection<RemoteRefUpdate> updates) {
 		List<String> result = new ArrayList<>();
 		for (RemoteRefUpdate u : updates) {
 			result.add(u.getRemoteName());
 		}
 		return result;
 	}
 }
	/*
	* Copyright (C) 2015, Google Inc.
	* 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.eclipse.jgit.transport.BasePackPushConnection.CAPABILITY_REPORT_STATUS;
	import static org.eclipse.jgit.transport.BasePackPushConnection.CAPABILITY_SIDE_BAND_64K;
	import static org.eclipse.jgit.transport.RemoteRefUpdate.Status.REJECTED_OTHER_REASON;
	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.fail;

	import java.io.IOException;
	import java.io.StringWriter;
	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.jgit.errors.TransportException;
	import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
	import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
	import org.eclipse.jgit.junit.TestRepository;
	import org.eclipse.jgit.lib.Constants;
	import org.eclipse.jgit.lib.NullProgressMonitor;
	import org.eclipse.jgit.lib.ObjectId;
	import org.eclipse.jgit.lib.ObjectInserter;
	import org.eclipse.jgit.lib.RefUpdate;
	import org.eclipse.jgit.lib.Repository;
	import org.junit.After;
	import org.junit.Before;
	import org.junit.Test;

	public class PushConnectionTest {
	private URIish uri;
	private TestProtocol<Object> testProtocol;
	private Object ctx = new Object();
	private InMemoryRepository server;
	private InMemoryRepository client;
	private List<String> processedRefs;
	private ObjectId obj1;
	private ObjectId obj2;
	private ObjectId obj3;
	private String refName = "refs/tags/blob";

	@Before
	public void setUp() throws Exception {
	server = newRepo("server");
	client = newRepo("client");
	processedRefs = new ArrayList<>();
	testProtocol = new TestProtocol<>(null, (Object req, Repository db) -> {
	ReceivePack rp = new ReceivePack(db);
	rp.setPreReceiveHook((ReceivePack receivePack,
	Collection<ReceiveCommand> cmds) -> {
	for (ReceiveCommand cmd : cmds) {
	processedRefs.add(cmd.getRefName());
	}
	});
	return rp;
	});
	uri = testProtocol.register(ctx, server);

	try (ObjectInserter ins = server.newObjectInserter()) {
	obj1 = ins.insert(Constants.OBJ_BLOB, Constants.encode("test"));
	obj3 = ins.insert(Constants.OBJ_BLOB, Constants.encode("not"));
	ins.flush();

	RefUpdate u = server.updateRef(refName);
	u.setNewObjectId(obj1);
	assertEquals(RefUpdate.Result.NEW, u.update());
	}

	try (ObjectInserter ins = client.newObjectInserter()) {
	obj2 = ins.insert(Constants.OBJ_BLOB, Constants.encode("file"));
	ins.flush();
	}
	}

	@After
	public void tearDown() {
	Transport.unregister(testProtocol);
	}

	private static InMemoryRepository newRepo(String name) {
	return new InMemoryRepository(new DfsRepositoryDescription(name));
	}

	@Test
	public void testWrongOldIdDoesNotReplace() throws IOException {
	RemoteRefUpdate rru = new RemoteRefUpdate(null, null, obj2, refName,
	false, null, obj3);

	Map<String, RemoteRefUpdate> updates = new HashMap<>();
	updates.put(rru.getRemoteName(), rru);

	try (Transport tn = testProtocol.open(uri, client, "server");
	PushConnection connection = tn.openPush()) {
	connection.push(NullProgressMonitor.INSTANCE, updates);
	}

	assertEquals(REJECTED_OTHER_REASON, rru.getStatus());
	assertEquals("invalid old id sent", rru.getMessage());
	}

	@Test
	public void invalidCommand() throws IOException {
	try (Transport tn = testProtocol.open(uri, client, "server");
	InternalPushConnection c = (InternalPushConnection) tn.openPush()) {
	StringWriter msgs = new StringWriter();
	PacketLineOut pckOut = c.pckOut;

	@SuppressWarnings("resource")
	SideBandInputStream in = new SideBandInputStream(c.in,
	NullProgressMonitor.INSTANCE, msgs, null);

	// Explicitly invalid command, but sane enough capabilities.
	StringBuilder buf = new StringBuilder();
	buf.append("42");
	buf.append(' ');
	buf.append(obj2.name());
	buf.append(' ');
	buf.append("refs/heads/A" + obj2.name());
	buf.append('\0').append(CAPABILITY_SIDE_BAND_64K);
	buf.append(' ').append(CAPABILITY_REPORT_STATUS);
	buf.append('\n');
	pckOut.writeString(buf.toString());
	pckOut.end();

	try {
	in.read();
	fail("expected TransportException");
	} catch (TransportException e) {
	assertEquals(
	"remote: error: invalid protocol: wanted 'old new ref'",
	e.getMessage());
	}
	}
	}

	@Test
	public void limitCommandBytes() throws IOException {
	Map<String, RemoteRefUpdate> updates = new HashMap<>();
	for (int i = 0; i < 4; i++) {
	RemoteRefUpdate rru = new RemoteRefUpdate(
	null, null, obj2, "refs/test/T" + i,
	false, null, ObjectId.zeroId());
	updates.put(rru.getRemoteName(), rru);
	}

	server.getConfig().setInt("receive", null, "maxCommandBytes", 195);
	try (Transport tn = testProtocol.open(uri, client, "server");
	PushConnection connection = tn.openPush()) {
	try {
	connection.push(NullProgressMonitor.INSTANCE, updates);
	fail("server did not abort");
	} catch (TransportException e) {
	String msg = e.getMessage();
	assertEquals("remote: Too many commands", msg);
	}
	}
	}

	@Test
	public void commandOrder() throws Exception {
	List<RemoteRefUpdate> updates = new ArrayList<>();
	try (TestRepository<?> tr = new TestRepository<>(client)) {
	// Arbitrary non-sorted order.
	for (int i = 9; i >= 0; i--) {
	String name = "refs/heads/b" + i;
	tr.branch(name).commit().create();
	RemoteRefUpdate rru = new RemoteRefUpdate(client, name, name,
	false, null, ObjectId.zeroId());
	updates.add(rru);
	}
	}

	PushResult result;
	try (Transport tn = testProtocol.open(uri, client, "server")) {
	result = tn.push(NullProgressMonitor.INSTANCE, updates);
	}

	for (RemoteRefUpdate remoteUpdate : result.getRemoteUpdates()) {
	assertEquals(
	"update should succeed on " + remoteUpdate.getRemoteName(),
	RemoteRefUpdate.Status.OK, remoteUpdate.getStatus());
	}

	List<String> expected = remoteRefNames(updates);
	assertEquals(
	"ref names processed by ReceivePack should match input ref names in order",
	expected, processedRefs);
	assertEquals(
	"remote ref names should match input ref names in order",
	expected, remoteRefNames(result.getRemoteUpdates()));
	}

	private static List<String> remoteRefNames(Collection<RemoteRefUpdate> updates) {
	List<String> result = new ArrayList<>();
	for (RemoteRefUpdate u : updates) {
	result.add(u.getRemoteName());
	}
	return result;
	}
	}