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364 lines
13 KiB
364 lines
13 KiB
/* |
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* Copyright (C) 2018, Google LLC. and others |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the Eclipse Distribution License v. 1.0 which is available at |
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* https://www.eclipse.org/org/documents/edl-v10.php. |
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* |
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* SPDX-License-Identifier: BSD-3-Clause |
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*/ |
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package org.eclipse.jgit.transport; |
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import static org.eclipse.jgit.lib.Constants.OBJ_BLOB; |
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import static org.eclipse.jgit.lib.Constants.OBJ_COMMIT; |
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import static org.eclipse.jgit.lib.Constants.OBJ_TAG; |
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import static org.eclipse.jgit.lib.Constants.OBJ_TREE; |
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import static org.eclipse.jgit.transport.ObjectIdMatcher.hasOnlyObjectIds; |
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import static org.hamcrest.MatcherAssert.assertThat; |
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import static org.hamcrest.Matchers.hasItems; |
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import static org.junit.Assert.assertEquals; |
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import static org.junit.Assert.assertFalse; |
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import static org.junit.Assert.assertThrows; |
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import static org.junit.Assert.assertTrue; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.IOException; |
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import org.eclipse.jgit.errors.PackProtocolException; |
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import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription; |
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import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository; |
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import org.eclipse.jgit.junit.TestRepository; |
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import org.eclipse.jgit.lib.Config; |
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import org.eclipse.jgit.revwalk.RevCommit; |
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import org.junit.Before; |
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import org.junit.Test; |
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public class ProtocolV2ParserTest { |
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private TestRepository<InMemoryRepository> testRepo; |
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@Before |
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public void setUp() throws Exception { |
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testRepo = new TestRepository<>(newRepo("protocol-v2-parser-test")); |
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} |
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private static InMemoryRepository newRepo(String name) { |
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return new InMemoryRepository(new DfsRepositoryDescription(name)); |
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} |
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private static class ConfigBuilder { |
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private boolean allowRefInWant; |
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private boolean allowFilter; |
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private ConfigBuilder() { |
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} |
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static ConfigBuilder start() { |
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return new ConfigBuilder(); |
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} |
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static TransferConfig getDefault() { |
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return start().done(); |
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} |
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ConfigBuilder allowRefInWant() { |
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allowRefInWant = true; |
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return this; |
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} |
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ConfigBuilder allowFilter() { |
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allowFilter = true; |
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return this; |
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} |
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TransferConfig done() { |
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Config rc = new Config(); |
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rc.setBoolean("uploadpack", null, "allowrefinwant", allowRefInWant); |
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rc.setBoolean("uploadpack", null, "allowfilter", allowFilter); |
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return new TransferConfig(rc); |
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} |
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} |
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/* |
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* Convert the input lines to the PacketLine that the parser reads. |
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*/ |
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private static PacketLineIn formatAsPacketLine(String... inputLines) |
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throws IOException { |
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ByteArrayOutputStream send = new ByteArrayOutputStream(); |
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PacketLineOut pckOut = new PacketLineOut(send); |
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for (String line : inputLines) { |
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if (PacketLineIn.isEnd(line)) { |
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pckOut.end(); |
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} else if (PacketLineIn.isDelimiter(line)) { |
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pckOut.writeDelim(); |
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} else { |
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pckOut.writeString(line); |
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} |
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} |
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return new PacketLineIn(new ByteArrayInputStream(send.toByteArray())); |
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} |
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/* |
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* Successful fetch with the basic core commands of the protocol. |
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*/ |
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@Test |
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public void testFetchBasicArguments() |
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throws PackProtocolException, IOException { |
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PacketLineIn pckIn = formatAsPacketLine( |
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PacketLineIn.delimiter(), |
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"thin-pack", "no-progress", "include-tag", "ofs-delta", |
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"want 4624442d68ee402a94364191085b77137618633e", |
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"want f900c8326a43303685c46b279b9f70411bff1a4b", |
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"have 554f6e41067b9e3e565b6988a8294fac1cb78f4b", |
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"have abc760ab9ad72f08209943251b36cb886a578f87", "done", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertTrue(request.getClientCapabilities() |
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.contains(GitProtocolConstants.OPTION_THIN_PACK)); |
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assertTrue(request.getClientCapabilities() |
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.contains(GitProtocolConstants.OPTION_NO_PROGRESS)); |
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assertTrue(request.getClientCapabilities() |
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.contains(GitProtocolConstants.OPTION_INCLUDE_TAG)); |
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assertTrue(request.getClientCapabilities() |
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.contains(GitProtocolConstants.CAPABILITY_OFS_DELTA)); |
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assertThat(request.getWantIds(), |
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hasOnlyObjectIds("4624442d68ee402a94364191085b77137618633e", |
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"f900c8326a43303685c46b279b9f70411bff1a4b")); |
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assertThat(request.getPeerHas(), |
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hasOnlyObjectIds("554f6e41067b9e3e565b6988a8294fac1cb78f4b", |
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"abc760ab9ad72f08209943251b36cb886a578f87")); |
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assertTrue(request.getWantedRefs().isEmpty()); |
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assertTrue(request.wasDoneReceived()); |
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} |
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@Test |
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public void testFetchWithShallow_deepen() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine( |
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PacketLineIn.delimiter(), |
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"deepen 15", |
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"deepen-relative", |
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"shallow 28274d02c489f4c7e68153056e9061a46f62d7a0", |
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"shallow 145e683b229dcab9d0e2ccb01b386f9ecc17d29d", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertThat(request.getClientShallowCommits(), |
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hasOnlyObjectIds("28274d02c489f4c7e68153056e9061a46f62d7a0", |
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"145e683b229dcab9d0e2ccb01b386f9ecc17d29d")); |
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assertTrue(request.getDeepenNotRefs().isEmpty()); |
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assertEquals(15, request.getDepth()); |
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assertTrue(request.getClientCapabilities() |
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.contains(GitProtocolConstants.OPTION_DEEPEN_RELATIVE)); |
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} |
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@Test |
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public void testFetchWithShallow_deepenNot() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"shallow 28274d02c489f4c7e68153056e9061a46f62d7a0", |
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"shallow 145e683b229dcab9d0e2ccb01b386f9ecc17d29d", |
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"deepen-not a08595f76159b09d57553e37a5123f1091bb13e7", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertThat(request.getClientShallowCommits(), |
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hasOnlyObjectIds("28274d02c489f4c7e68153056e9061a46f62d7a0", |
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"145e683b229dcab9d0e2ccb01b386f9ecc17d29d")); |
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assertThat(request.getDeepenNotRefs(), |
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hasItems("a08595f76159b09d57553e37a5123f1091bb13e7")); |
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} |
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@Test |
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public void testFetchWithShallow_deepenSince() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"shallow 28274d02c489f4c7e68153056e9061a46f62d7a0", |
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"shallow 145e683b229dcab9d0e2ccb01b386f9ecc17d29d", |
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"deepen-since 123123123", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertThat(request.getClientShallowCommits(), |
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hasOnlyObjectIds("28274d02c489f4c7e68153056e9061a46f62d7a0", |
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"145e683b229dcab9d0e2ccb01b386f9ecc17d29d")); |
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assertEquals(123123123, request.getDeepenSince()); |
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} |
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@Test |
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public void testFetchWithNoneFilter() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"filter blob:none", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.start().allowFilter().done()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertFalse(request.getFilterSpec().allowsType(OBJ_BLOB)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_TREE)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_COMMIT)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_TAG)); |
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assertEquals(-1, request.getFilterSpec().getBlobLimit()); |
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assertEquals(-1, request.getFilterSpec().getTreeDepthLimit()); |
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} |
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@Test |
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public void testFetchWithBlobSizeFilter() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"filter blob:limit=15", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.start().allowFilter().done()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_BLOB)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_TREE)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_COMMIT)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_TAG)); |
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assertEquals(15, request.getFilterSpec().getBlobLimit()); |
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assertEquals(-1, request.getFilterSpec().getTreeDepthLimit()); |
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} |
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@Test |
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public void testFetchWithTreeDepthFilter() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"filter tree:3", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.start().allowFilter().done()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_BLOB)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_TREE)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_COMMIT)); |
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assertTrue(request.getFilterSpec().allowsType(OBJ_TAG)); |
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assertEquals(-1, request.getFilterSpec().getBlobLimit()); |
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assertEquals(3, request.getFilterSpec().getTreeDepthLimit()); |
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} |
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@Test |
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public void testFetchMustNotHaveMultipleFilters() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"filter blob:none", |
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"filter blob:limit=12", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.start().allowFilter().done()); |
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assertThrows(PackProtocolException.class, |
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() -> parser.parseFetchRequest(pckIn)); |
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} |
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@Test |
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public void testFetchFilterWithoutAllowFilter() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"filter blob:limit=12", PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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assertThrows(PackProtocolException.class, |
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() -> parser.parseFetchRequest(pckIn)); |
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} |
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@Test |
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public void testFetchWithRefInWant() throws Exception { |
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RevCommit one = testRepo.commit().message("1").create(); |
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RevCommit two = testRepo.commit().message("2").create(); |
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testRepo.update("branchA", one); |
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testRepo.update("branchB", two); |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"want e4980cdc48cfa1301493ca94eb70523f6788b819", |
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"want-ref refs/heads/branchA", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.start().allowRefInWant().done()); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertEquals(1, request.getWantedRefs().size()); |
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assertThat(request.getWantedRefs(), |
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hasItems("refs/heads/branchA")); |
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assertEquals(1, request.getWantIds().size()); |
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assertThat(request.getWantIds(), hasOnlyObjectIds( |
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"e4980cdc48cfa1301493ca94eb70523f6788b819")); |
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} |
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@Test |
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public void testFetchWithRefInWantUnknownRef() throws Exception { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"want e4980cdc48cfa1301493ca94eb70523f6788b819", |
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"want-ref refs/heads/branchC", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.start().allowRefInWant().done()); |
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RevCommit one = testRepo.commit().message("1").create(); |
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RevCommit two = testRepo.commit().message("2").create(); |
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testRepo.update("branchA", one); |
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testRepo.update("branchB", two); |
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FetchV2Request request = parser.parseFetchRequest(pckIn); |
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assertEquals(1, request.getWantedRefs().size()); |
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assertThat(request.getWantedRefs(), hasItems("refs/heads/branchC")); |
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} |
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@Test |
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public void testLsRefsMinimalReq() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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LsRefsV2Request req = parser.parseLsRefsRequest(pckIn); |
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assertFalse(req.getPeel()); |
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assertFalse(req.getSymrefs()); |
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assertEquals(0, req.getRefPrefixes().size()); |
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} |
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@Test |
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public void testLsRefsSymrefs() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), "symrefs", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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LsRefsV2Request req = parser.parseLsRefsRequest(pckIn); |
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assertFalse(req.getPeel()); |
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assertTrue(req.getSymrefs()); |
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assertEquals(0, req.getRefPrefixes().size()); |
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} |
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@Test |
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public void testLsRefsPeel() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine( |
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PacketLineIn.delimiter(), |
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"peel", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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LsRefsV2Request req = parser.parseLsRefsRequest(pckIn); |
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assertTrue(req.getPeel()); |
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assertFalse(req.getSymrefs()); |
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assertEquals(0, req.getRefPrefixes().size()); |
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} |
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@Test |
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public void testLsRefsRefPrefixes() throws IOException { |
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PacketLineIn pckIn = formatAsPacketLine(PacketLineIn.delimiter(), |
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"ref-prefix refs/for", "ref-prefix refs/heads", |
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PacketLineIn.end()); |
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ProtocolV2Parser parser = new ProtocolV2Parser( |
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ConfigBuilder.getDefault()); |
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LsRefsV2Request req = parser.parseLsRefsRequest(pckIn); |
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assertFalse(req.getPeel()); |
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assertFalse(req.getSymrefs()); |
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assertEquals(2, req.getRefPrefixes().size()); |
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assertThat(req.getRefPrefixes(), hasItems("refs/for", "refs/heads")); |
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} |
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}
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