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- /*
- * Copyright (C) 2008-2009, Google Inc. 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.patch;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.assertSame;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.fail;
-
- import java.io.IOException;
- import java.io.InputStream;
-
- import org.eclipse.jgit.junit.JGitTestUtil;
- import org.eclipse.jgit.lib.FileMode;
- import org.eclipse.jgit.lib.ObjectId;
- import org.junit.Test;
-
- public class PatchTest {
- @Test
- public void testEmpty() {
- final Patch p = new Patch();
- assertTrue(p.getFiles().isEmpty());
- assertTrue(p.getErrors().isEmpty());
- }
-
- @Test
- public void testParse_ConfigCaseInsensitive() throws IOException {
- final Patch p = parseTestPatchFile();
- assertEquals(2, p.getFiles().size());
- assertTrue(p.getErrors().isEmpty());
-
- final FileHeader fRepositoryConfigTest = p.getFiles().get(0);
- final FileHeader fRepositoryConfig = p.getFiles().get(1);
-
- assertEquals(
- "org.eclipse.jgit.test/tst/org/spearce/jgit/lib/RepositoryConfigTest.java",
- fRepositoryConfigTest.getNewPath());
-
- assertEquals(
- "org.eclipse.jgit/src/org/spearce/jgit/lib/RepositoryConfig.java",
- fRepositoryConfig.getNewPath());
-
- assertEquals(572, fRepositoryConfigTest.startOffset);
- assertEquals(1490, fRepositoryConfig.startOffset);
-
- assertEquals("da7e704", fRepositoryConfigTest.getOldId().name());
- assertEquals("34ce04a", fRepositoryConfigTest.getNewId().name());
- assertSame(FileHeader.PatchType.UNIFIED, fRepositoryConfigTest
- .getPatchType());
- assertSame(FileMode.REGULAR_FILE, fRepositoryConfigTest.getOldMode());
- assertSame(FileMode.REGULAR_FILE, fRepositoryConfigTest.getNewMode());
- assertEquals(1, fRepositoryConfigTest.getHunks().size());
- {
- final HunkHeader h = fRepositoryConfigTest.getHunks().get(0);
- assertSame(fRepositoryConfigTest, h.getFileHeader());
- assertEquals(921, h.startOffset);
- assertEquals(109, h.getOldImage().getStartLine());
- assertEquals(4, h.getOldImage().getLineCount());
- assertEquals(109, h.getNewStartLine());
- assertEquals(11, h.getNewLineCount());
-
- assertEquals(4, h.getLinesContext());
- assertEquals(7, h.getOldImage().getLinesAdded());
- assertEquals(0, h.getOldImage().getLinesDeleted());
- assertSame(fRepositoryConfigTest.getOldId(), h.getOldImage()
- .getId());
-
- assertEquals(1490, h.endOffset);
- }
-
- assertEquals("45c2f8a", fRepositoryConfig.getOldId().name());
- assertEquals("3291bba", fRepositoryConfig.getNewId().name());
- assertSame(FileHeader.PatchType.UNIFIED, fRepositoryConfig
- .getPatchType());
- assertSame(FileMode.REGULAR_FILE, fRepositoryConfig.getOldMode());
- assertSame(FileMode.REGULAR_FILE, fRepositoryConfig.getNewMode());
- assertEquals(3, fRepositoryConfig.getHunks().size());
- {
- final HunkHeader h = fRepositoryConfig.getHunks().get(0);
- assertSame(fRepositoryConfig, h.getFileHeader());
- assertEquals(1803, h.startOffset);
- assertEquals(236, h.getOldImage().getStartLine());
- assertEquals(9, h.getOldImage().getLineCount());
- assertEquals(236, h.getNewStartLine());
- assertEquals(9, h.getNewLineCount());
-
- assertEquals(7, h.getLinesContext());
- assertEquals(2, h.getOldImage().getLinesAdded());
- assertEquals(2, h.getOldImage().getLinesDeleted());
- assertSame(fRepositoryConfig.getOldId(), h.getOldImage().getId());
-
- assertEquals(2434, h.endOffset);
- }
- {
- final HunkHeader h = fRepositoryConfig.getHunks().get(1);
- assertEquals(2434, h.startOffset);
- assertEquals(300, h.getOldImage().getStartLine());
- assertEquals(7, h.getOldImage().getLineCount());
- assertEquals(300, h.getNewStartLine());
- assertEquals(7, h.getNewLineCount());
-
- assertEquals(6, h.getLinesContext());
- assertEquals(1, h.getOldImage().getLinesAdded());
- assertEquals(1, h.getOldImage().getLinesDeleted());
-
- assertEquals(2816, h.endOffset);
- }
- {
- final HunkHeader h = fRepositoryConfig.getHunks().get(2);
- assertEquals(2816, h.startOffset);
- assertEquals(954, h.getOldImage().getStartLine());
- assertEquals(7, h.getOldImage().getLineCount());
- assertEquals(954, h.getNewStartLine());
- assertEquals(7, h.getNewLineCount());
-
- assertEquals(6, h.getLinesContext());
- assertEquals(1, h.getOldImage().getLinesAdded());
- assertEquals(1, h.getOldImage().getLinesDeleted());
-
- assertEquals(3035, h.endOffset);
- }
- }
-
- @Test
- public void testParse_NoBinary() throws IOException {
- final Patch p = parseTestPatchFile();
- assertEquals(5, p.getFiles().size());
- assertTrue(p.getErrors().isEmpty());
-
- for (int i = 0; i < 4; i++) {
- final FileHeader fh = p.getFiles().get(i);
- assertSame(FileHeader.ChangeType.ADD, fh.getChangeType());
- assertNotNull(fh.getOldId());
- assertNotNull(fh.getNewId());
- assertEquals("0000000", fh.getOldId().name());
- assertSame(FileMode.MISSING, fh.getOldMode());
- assertSame(FileMode.REGULAR_FILE, fh.getNewMode());
- assertTrue(fh.getNewPath().startsWith(
- "org.spearce.egit.ui/icons/toolbar/"));
- assertSame(FileHeader.PatchType.BINARY, fh.getPatchType());
- assertTrue(fh.getHunks().isEmpty());
- assertTrue(fh.hasMetaDataChanges());
-
- assertNull(fh.getForwardBinaryHunk());
- assertNull(fh.getReverseBinaryHunk());
- }
-
- final FileHeader fh = p.getFiles().get(4);
- assertEquals("org.spearce.egit.ui/plugin.xml", fh.getNewPath());
- assertSame(FileHeader.ChangeType.MODIFY, fh.getChangeType());
- assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
- assertFalse(fh.hasMetaDataChanges());
- assertEquals("ee8a5a0", fh.getNewId().name());
- assertNull(fh.getForwardBinaryHunk());
- assertNull(fh.getReverseBinaryHunk());
- assertEquals(1, fh.getHunks().size());
- assertEquals(272, fh.getHunks().get(0).getOldImage().getStartLine());
- }
-
- @Test
- public void testParse_GitBinaryLiteral() throws IOException {
- final Patch p = parseTestPatchFile();
- final int[] binsizes = { 359, 393, 372, 404 };
- assertEquals(5, p.getFiles().size());
- assertTrue(p.getErrors().isEmpty());
-
- for (int i = 0; i < 4; i++) {
- final FileHeader fh = p.getFiles().get(i);
- assertSame(FileHeader.ChangeType.ADD, fh.getChangeType());
- assertNotNull(fh.getOldId());
- assertNotNull(fh.getNewId());
- assertEquals(ObjectId.zeroId().name(), fh.getOldId().name());
- assertSame(FileMode.REGULAR_FILE, fh.getNewMode());
- assertTrue(fh.getNewPath().startsWith(
- "org.spearce.egit.ui/icons/toolbar/"));
- assertSame(FileHeader.PatchType.GIT_BINARY, fh.getPatchType());
- assertTrue(fh.getHunks().isEmpty());
- assertTrue(fh.hasMetaDataChanges());
-
- final BinaryHunk fwd = fh.getForwardBinaryHunk();
- final BinaryHunk rev = fh.getReverseBinaryHunk();
- assertNotNull(fwd);
- assertNotNull(rev);
- assertEquals(binsizes[i], fwd.getSize());
- assertEquals(0, rev.getSize());
-
- assertSame(fh, fwd.getFileHeader());
- assertSame(fh, rev.getFileHeader());
-
- assertSame(BinaryHunk.Type.LITERAL_DEFLATED, fwd.getType());
- assertSame(BinaryHunk.Type.LITERAL_DEFLATED, rev.getType());
- }
-
- final FileHeader fh = p.getFiles().get(4);
- assertEquals("org.spearce.egit.ui/plugin.xml", fh.getNewPath());
- assertSame(FileHeader.ChangeType.MODIFY, fh.getChangeType());
- assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
- assertFalse(fh.hasMetaDataChanges());
- assertEquals("ee8a5a0", fh.getNewId().name());
- assertNull(fh.getForwardBinaryHunk());
- assertNull(fh.getReverseBinaryHunk());
- assertEquals(1, fh.getHunks().size());
- assertEquals(272, fh.getHunks().get(0).getOldImage().getStartLine());
- }
-
- @Test
- public void testParse_GitBinaryDelta() throws IOException {
- final Patch p = parseTestPatchFile();
- assertEquals(1, p.getFiles().size());
- assertTrue(p.getErrors().isEmpty());
-
- final FileHeader fh = p.getFiles().get(0);
- assertTrue(fh.getNewPath().startsWith("zero.bin"));
- assertSame(FileHeader.ChangeType.MODIFY, fh.getChangeType());
- assertSame(FileHeader.PatchType.GIT_BINARY, fh.getPatchType());
- assertSame(FileMode.REGULAR_FILE, fh.getNewMode());
-
- assertNotNull(fh.getOldId());
- assertNotNull(fh.getNewId());
- assertEquals("08e7df176454f3ee5eeda13efa0adaa54828dfd8", fh.getOldId()
- .name());
- assertEquals("d70d8710b6d32ff844af0ee7c247e4b4b051867f", fh.getNewId()
- .name());
-
- assertTrue(fh.getHunks().isEmpty());
- assertFalse(fh.hasMetaDataChanges());
-
- final BinaryHunk fwd = fh.getForwardBinaryHunk();
- final BinaryHunk rev = fh.getReverseBinaryHunk();
- assertNotNull(fwd);
- assertNotNull(rev);
- assertEquals(12, fwd.getSize());
- assertEquals(11, rev.getSize());
-
- assertSame(fh, fwd.getFileHeader());
- assertSame(fh, rev.getFileHeader());
-
- assertSame(BinaryHunk.Type.DELTA_DEFLATED, fwd.getType());
- assertSame(BinaryHunk.Type.DELTA_DEFLATED, rev.getType());
-
- assertEquals(496, fh.endOffset);
- }
-
- @Test
- public void testParse_FixNoNewline() throws IOException {
- final Patch p = parseTestPatchFile();
- assertEquals(1, p.getFiles().size());
- assertTrue(p.getErrors().isEmpty());
-
- final FileHeader f = p.getFiles().get(0);
-
- assertEquals("a", f.getNewPath());
- assertEquals(252, f.startOffset);
-
- assertEquals("2e65efe", f.getOldId().name());
- assertEquals("f2ad6c7", f.getNewId().name());
- assertSame(FileHeader.PatchType.UNIFIED, f.getPatchType());
- assertSame(FileMode.REGULAR_FILE, f.getOldMode());
- assertSame(FileMode.REGULAR_FILE, f.getNewMode());
- assertEquals(1, f.getHunks().size());
- {
- final HunkHeader h = f.getHunks().get(0);
- assertSame(f, h.getFileHeader());
- assertEquals(317, h.startOffset);
- assertEquals(1, h.getOldImage().getStartLine());
- assertEquals(1, h.getOldImage().getLineCount());
- assertEquals(1, h.getNewStartLine());
- assertEquals(1, h.getNewLineCount());
-
- assertEquals(0, h.getLinesContext());
- assertEquals(1, h.getOldImage().getLinesAdded());
- assertEquals(1, h.getOldImage().getLinesDeleted());
- assertSame(f.getOldId(), h.getOldImage().getId());
-
- assertEquals(363, h.endOffset);
- }
- }
-
- @Test
- public void testParse_AddNoNewline() throws IOException {
- final Patch p = parseTestPatchFile();
- assertEquals(1, p.getFiles().size());
- assertTrue(p.getErrors().isEmpty());
-
- final FileHeader f = p.getFiles().get(0);
-
- assertEquals("a", f.getNewPath());
- assertEquals(256, f.startOffset);
-
- assertEquals("f2ad6c7", f.getOldId().name());
- assertEquals("c59d9b6", f.getNewId().name());
- assertSame(FileHeader.PatchType.UNIFIED, f.getPatchType());
- assertSame(FileMode.REGULAR_FILE, f.getOldMode());
- assertSame(FileMode.REGULAR_FILE, f.getNewMode());
- assertEquals(1, f.getHunks().size());
- {
- final HunkHeader h = f.getHunks().get(0);
- assertSame(f, h.getFileHeader());
- assertEquals(321, h.startOffset);
- assertEquals(1, h.getOldImage().getStartLine());
- assertEquals(1, h.getOldImage().getLineCount());
- assertEquals(1, h.getNewStartLine());
- assertEquals(1, h.getNewLineCount());
-
- assertEquals(0, h.getLinesContext());
- assertEquals(1, h.getOldImage().getLinesAdded());
- assertEquals(1, h.getOldImage().getLinesDeleted());
- assertSame(f.getOldId(), h.getOldImage().getId());
-
- assertEquals(367, h.endOffset);
- }
- }
-
- private Patch parseTestPatchFile() throws IOException {
- final String patchFile = JGitTestUtil.getName() + ".patch";
- try (InputStream in = getClass().getResourceAsStream(patchFile)) {
- if (in == null) {
- fail("No " + patchFile + " test vector");
- return null; // Never happens
- }
- final Patch p = new Patch();
- p.parse(in);
- return p;
- }
- }
- }
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