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- /*
- * Copyright (C) 2018, Google LLC. and others
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Distribution License v. 1.0 which is available at
- * https://www.eclipse.org/org/documents/edl-v10.php.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- package org.eclipse.jgit.transport;
-
- import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
- import static org.eclipse.jgit.lib.Constants.OBJ_COMMIT;
- import static org.eclipse.jgit.lib.Constants.OBJ_TAG;
- import static org.eclipse.jgit.lib.Constants.OBJ_TREE;
- import static org.eclipse.jgit.transport.ObjectIdMatcher.hasOnlyObjectIds;
- import static org.hamcrest.MatcherAssert.assertThat;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
-
- import java.io.ByteArrayInputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.IOException;
-
- import org.eclipse.jgit.errors.PackProtocolException;
- import org.eclipse.jgit.lib.Config;
- import org.junit.Test;
-
- public class ProtocolV0ParserTest {
- /*
- * Convert the input lines to the PacketLine that the parser reads.
- */
- private static PacketLineIn formatAsPacketLine(String... inputLines)
- throws IOException {
- ByteArrayOutputStream send = new ByteArrayOutputStream();
- PacketLineOut pckOut = new PacketLineOut(send);
- for (String line : inputLines) {
- if (PacketLineIn.isEnd(line)) {
- pckOut.end();
- } else if (PacketLineIn.isDelimiter(line)) {
- pckOut.writeDelim();
- } else {
- pckOut.writeString(line);
- }
- }
-
- return new PacketLineIn(new ByteArrayInputStream(send.toByteArray()));
- }
-
- private static TransferConfig defaultConfig() {
- Config rc = new Config();
- rc.setBoolean("uploadpack", null, "allowfilter", true);
- return new TransferConfig(rc);
- }
-
- @Test
- public void testRecvWantsWithCapabilities()
- throws PackProtocolException, IOException {
- PacketLineIn pckIn = formatAsPacketLine(
- String.join(" ", "want",
- "4624442d68ee402a94364191085b77137618633e", "thin-pack",
- "no-progress", "include-tag", "ofs-delta", "\n"),
- "want f900c8326a43303685c46b279b9f70411bff1a4b\n",
- PacketLineIn.end());
- ProtocolV0Parser parser = new ProtocolV0Parser(defaultConfig());
- FetchV0Request request = parser.recvWants(pckIn);
- assertTrue(request.getClientCapabilities()
- .contains(GitProtocolConstants.OPTION_THIN_PACK));
- assertTrue(request.getClientCapabilities()
- .contains(GitProtocolConstants.OPTION_NO_PROGRESS));
- assertTrue(request.getClientCapabilities()
- .contains(GitProtocolConstants.OPTION_INCLUDE_TAG));
- assertTrue(request.getClientCapabilities()
- .contains(GitProtocolConstants.CAPABILITY_OFS_DELTA));
- assertThat(request.getWantIds(),
- hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e",
- "f900c8326a43303685c46b279b9f70411bff1a4b"));
- }
-
- @Test
- public void testRecvWantsWithAgent()
- throws PackProtocolException, IOException {
- PacketLineIn pckIn = formatAsPacketLine(
- String.join(" ", "want",
- "4624442d68ee402a94364191085b77137618633e", "thin-pack",
- "agent=JGit.test/0.0.1", "\n"),
- "want f900c8326a43303685c46b279b9f70411bff1a4b\n",
- PacketLineIn.end());
- ProtocolV0Parser parser = new ProtocolV0Parser(defaultConfig());
- FetchV0Request request = parser.recvWants(pckIn);
- assertTrue(request.getClientCapabilities()
- .contains(GitProtocolConstants.OPTION_THIN_PACK));
- assertEquals(1, request.getClientCapabilities().size());
- assertEquals("JGit.test/0.0.1", request.getAgent());
- assertThat(request.getWantIds(),
- hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e",
- "f900c8326a43303685c46b279b9f70411bff1a4b"));
- }
-
- /*
- * First round of protocol v0 negotiation. Client send wants, no
- * capabilities.
- */
- @Test
- public void testRecvWantsWithoutCapabilities()
- throws PackProtocolException, IOException {
- PacketLineIn pckIn = formatAsPacketLine(
- "want 4624442d68ee402a94364191085b77137618633e\n",
- "want f900c8326a43303685c46b279b9f70411bff1a4b\n",
- PacketLineIn.end());
- ProtocolV0Parser parser = new ProtocolV0Parser(defaultConfig());
- FetchV0Request request = parser.recvWants(pckIn);
- assertTrue(request.getClientCapabilities().isEmpty());
- assertThat(request.getWantIds(),
- hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e",
- "f900c8326a43303685c46b279b9f70411bff1a4b"));
- }
-
- @Test
- public void testRecvWantsDeepen()
- throws PackProtocolException, IOException {
- PacketLineIn pckIn = formatAsPacketLine(
- "want 4624442d68ee402a94364191085b77137618633e\n",
- "want f900c8326a43303685c46b279b9f70411bff1a4b\n", "deepen 3\n",
- PacketLineIn.end());
- ProtocolV0Parser parser = new ProtocolV0Parser(defaultConfig());
- FetchV0Request request = parser.recvWants(pckIn);
- assertTrue(request.getClientCapabilities().isEmpty());
- assertEquals(3, request.getDepth());
- assertThat(request.getWantIds(),
- hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e",
- "f900c8326a43303685c46b279b9f70411bff1a4b"));
- }
-
- @Test
- public void testRecvWantsShallow()
- throws PackProtocolException, IOException {
- PacketLineIn pckIn = formatAsPacketLine(
- "want 4624442d68ee402a94364191085b77137618633e\n",
- "want f900c8326a43303685c46b279b9f70411bff1a4b\n",
- "shallow 4b643d0ef739a1b494e7d6926d8d8ed80d35edf4\n",
- PacketLineIn.end());
- ProtocolV0Parser parser = new ProtocolV0Parser(defaultConfig());
- FetchV0Request request = parser.recvWants(pckIn);
- assertTrue(request.getClientCapabilities().isEmpty());
- assertThat(request.getWantIds(),
- hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e",
- "f900c8326a43303685c46b279b9f70411bff1a4b"));
- assertThat(request.getClientShallowCommits(),
- hasOnlyObjectIds("4b643d0ef739a1b494e7d6926d8d8ed80d35edf4"));
- }
-
- @Test
- public void testRecvWantsFilter()
- throws PackProtocolException, IOException {
- PacketLineIn pckIn = formatAsPacketLine(
- "want 4624442d68ee402a94364191085b77137618633e\n",
- "want f900c8326a43303685c46b279b9f70411bff1a4b\n",
- "filter blob:limit=13000\n",
- PacketLineIn.end());
- ProtocolV0Parser parser = new ProtocolV0Parser(defaultConfig());
- FetchV0Request request = parser.recvWants(pckIn);
- assertTrue(request.getClientCapabilities().isEmpty());
- assertThat(request.getWantIds(),
- hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e",
- "f900c8326a43303685c46b279b9f70411bff1a4b"));
- assertTrue(request.getFilterSpec().allowsType(OBJ_BLOB));
- assertTrue(request.getFilterSpec().allowsType(OBJ_TREE));
- assertTrue(request.getFilterSpec().allowsType(OBJ_COMMIT));
- assertTrue(request.getFilterSpec().allowsType(OBJ_TAG));
- assertEquals(13000, request.getFilterSpec().getBlobLimit());
- assertEquals(-1, request.getFilterSpec().getTreeDepthLimit());
- }
-
- }
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