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* and other copyright owners as documented in the project's IP log.
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* This program and the accompanying materials are made available
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* accompanies this distribution, is reproduced below, and is
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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";
final InputStream in = getClass().getResourceAsStream(patchFile);
if (in == null) {
fail("No " + patchFile + " test vector");
return null; // Never happens
}
try {
final Patch p = new Patch();
p.parse(in);
return p;
} finally {
in.close();
}
}
}