/*
* Copyright (C) 2008, 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.
*
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* 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
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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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 org.eclipse.jgit.diff.DiffEntry;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.junit.Test;
public class FileHeaderTest {
@Test
public void testParseGitFileName_Empty() {
final FileHeader fh = data("");
assertEquals(-1, fh.parseGitFileName(0, fh.buf.length));
assertNotNull(fh.getHunks());
assertTrue(fh.getHunks().isEmpty());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_NoLF() {
final FileHeader fh = data("a/ b/");
assertEquals(-1, fh.parseGitFileName(0, fh.buf.length));
}
@Test
public void testParseGitFileName_NoSecondLine() {
final FileHeader fh = data("\n");
assertEquals(-1, fh.parseGitFileName(0, fh.buf.length));
}
@Test
public void testParseGitFileName_EmptyHeader() {
final FileHeader fh = data("\n\n");
assertEquals(1, fh.parseGitFileName(0, fh.buf.length));
}
@Test
public void testParseGitFileName_Foo() {
final String name = "foo";
final FileHeader fh = header(name);
assertEquals(gitLine(name).length(), fh.parseGitFileName(0,
fh.buf.length));
assertEquals(name, fh.getOldPath());
assertSame(fh.getOldPath(), fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_FailFooBar() {
final FileHeader fh = data("a/foo b/bar\n-");
assertTrue(fh.parseGitFileName(0, fh.buf.length) > 0);
assertNull(fh.getOldPath());
assertNull(fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_FooSpBar() {
final String name = "foo bar";
final FileHeader fh = header(name);
assertEquals(gitLine(name).length(), fh.parseGitFileName(0,
fh.buf.length));
assertEquals(name, fh.getOldPath());
assertSame(fh.getOldPath(), fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_DqFooTabBar() {
final String name = "foo\tbar";
final String dqName = "foo\\tbar";
final FileHeader fh = dqHeader(dqName);
assertEquals(dqGitLine(dqName).length(), fh.parseGitFileName(0,
fh.buf.length));
assertEquals(name, fh.getOldPath());
assertSame(fh.getOldPath(), fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_DqFooSpLfNulBar() {
final String name = "foo \n\0bar";
final String dqName = "foo \\n\\0bar";
final FileHeader fh = dqHeader(dqName);
assertEquals(dqGitLine(dqName).length(), fh.parseGitFileName(0,
fh.buf.length));
assertEquals(name, fh.getOldPath());
assertSame(fh.getOldPath(), fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_SrcFooC() {
final String name = "src/foo/bar/argh/code.c";
final FileHeader fh = header(name);
assertEquals(gitLine(name).length(), fh.parseGitFileName(0,
fh.buf.length));
assertEquals(name, fh.getOldPath());
assertSame(fh.getOldPath(), fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseGitFileName_SrcFooCNonStandardPrefix() {
final String name = "src/foo/bar/argh/code.c";
final String header = "project-v-1.0/" + name + " mydev/" + name + "\n";
final FileHeader fh = data(header + "-");
assertEquals(header.length(), fh.parseGitFileName(0, fh.buf.length));
assertEquals(name, fh.getOldPath());
assertSame(fh.getOldPath(), fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
}
@Test
public void testParseUnicodeName_NewFile() {
final FileHeader fh = data("diff --git \"a/\\303\\205ngstr\\303\\266m\" \"b/\\303\\205ngstr\\303\\266m\"\n"
+ "new file mode 100644\n"
+ "index 0000000..7898192\n"
+ "--- /dev/null\n"
+ "+++ \"b/\\303\\205ngstr\\303\\266m\"\n"
+ "@@ -0,0 +1 @@\n" + "+a\n");
assertParse(fh);
assertEquals("/dev/null", fh.getOldPath());
assertSame(DiffEntry.DEV_NULL, fh.getOldPath());
assertEquals("\u00c5ngstr\u00f6m", fh.getNewPath());
assertSame(FileHeader.ChangeType.ADD, fh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
assertTrue(fh.hasMetaDataChanges());
assertSame(FileMode.MISSING, fh.getOldMode());
assertSame(FileMode.REGULAR_FILE, fh.getNewMode());
assertEquals("0000000", fh.getOldId().name());
assertEquals("7898192", fh.getNewId().name());
assertEquals(0, fh.getScore());
}
@Test
public void testParseUnicodeName_DeleteFile() {
final FileHeader fh = data("diff --git \"a/\\303\\205ngstr\\303\\266m\" \"b/\\303\\205ngstr\\303\\266m\"\n"
+ "deleted file mode 100644\n"
+ "index 7898192..0000000\n"
+ "--- \"a/\\303\\205ngstr\\303\\266m\"\n"
+ "+++ /dev/null\n"
+ "@@ -1 +0,0 @@\n" + "-a\n");
assertParse(fh);
assertEquals("\u00c5ngstr\u00f6m", fh.getOldPath());
assertEquals("/dev/null", fh.getNewPath());
assertSame(DiffEntry.DEV_NULL, fh.getNewPath());
assertSame(FileHeader.ChangeType.DELETE, fh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
assertTrue(fh.hasMetaDataChanges());
assertSame(FileMode.REGULAR_FILE, fh.getOldMode());
assertSame(FileMode.MISSING, fh.getNewMode());
assertEquals("7898192", fh.getOldId().name());
assertEquals("0000000", fh.getNewId().name());
assertEquals(0, fh.getScore());
}
@Test
public void testParseModeChange() {
final FileHeader fh = data("diff --git a/a b b/a b\n"
+ "old mode 100644\n" + "new mode 100755\n");
assertParse(fh);
assertEquals("a b", fh.getOldPath());
assertEquals("a b", fh.getNewPath());
assertSame(FileHeader.ChangeType.MODIFY, fh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
assertTrue(fh.hasMetaDataChanges());
assertNull(fh.getOldId());
assertNull(fh.getNewId());
assertSame(FileMode.REGULAR_FILE, fh.getOldMode());
assertSame(FileMode.EXECUTABLE_FILE, fh.getNewMode());
assertEquals(0, fh.getScore());
}
@Test
public void testParseRename100_NewStyle() {
final FileHeader fh = data("diff --git a/a b/ c/\\303\\205ngstr\\303\\266m\n"
+ "similarity index 100%\n"
+ "rename from a\n"
+ "rename to \" c/\\303\\205ngstr\\303\\266m\"\n");
int ptr = fh.parseGitFileName(0, fh.buf.length);
assertTrue(ptr > 0);
assertNull(fh.getOldPath()); // can't parse names on a rename
assertNull(fh.getNewPath());
ptr = fh.parseGitHeaders(ptr, fh.buf.length);
assertTrue(ptr > 0);
assertEquals("a", fh.getOldPath());
assertEquals(" c/\u00c5ngstr\u00f6m", fh.getNewPath());
assertSame(FileHeader.ChangeType.RENAME, fh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
assertTrue(fh.hasMetaDataChanges());
assertNull(fh.getOldId());
assertNull(fh.getNewId());
assertNull(fh.getOldMode());
assertNull(fh.getNewMode());
assertEquals(100, fh.getScore());
}
@Test
public void testParseRename100_OldStyle() {
final FileHeader fh = data("diff --git a/a b/ c/\\303\\205ngstr\\303\\266m\n"
+ "similarity index 100%\n"
+ "rename old a\n"
+ "rename new \" c/\\303\\205ngstr\\303\\266m\"\n");
int ptr = fh.parseGitFileName(0, fh.buf.length);
assertTrue(ptr > 0);
assertNull(fh.getOldPath()); // can't parse names on a rename
assertNull(fh.getNewPath());
ptr = fh.parseGitHeaders(ptr, fh.buf.length);
assertTrue(ptr > 0);
assertEquals("a", fh.getOldPath());
assertEquals(" c/\u00c5ngstr\u00f6m", fh.getNewPath());
assertSame(FileHeader.ChangeType.RENAME, fh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
assertTrue(fh.hasMetaDataChanges());
assertNull(fh.getOldId());
assertNull(fh.getNewId());
assertNull(fh.getOldMode());
assertNull(fh.getNewMode());
assertEquals(100, fh.getScore());
}
@Test
public void testParseCopy100() {
final FileHeader fh = data("diff --git a/a b/ c/\\303\\205ngstr\\303\\266m\n"
+ "similarity index 100%\n"
+ "copy from a\n"
+ "copy to \" c/\\303\\205ngstr\\303\\266m\"\n");
int ptr = fh.parseGitFileName(0, fh.buf.length);
assertTrue(ptr > 0);
assertNull(fh.getOldPath()); // can't parse names on a copy
assertNull(fh.getNewPath());
ptr = fh.parseGitHeaders(ptr, fh.buf.length);
assertTrue(ptr > 0);
assertEquals("a", fh.getOldPath());
assertEquals(" c/\u00c5ngstr\u00f6m", fh.getNewPath());
assertSame(FileHeader.ChangeType.COPY, fh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, fh.getPatchType());
assertTrue(fh.hasMetaDataChanges());
assertNull(fh.getOldId());
assertNull(fh.getNewId());
assertNull(fh.getOldMode());
assertNull(fh.getNewMode());
assertEquals(100, fh.getScore());
}
@Test
public void testParseFullIndexLine_WithMode() {
final String oid = "78981922613b2afb6025042ff6bd878ac1994e85";
final String nid = "61780798228d17af2d34fce4cfbdf35556832472";
final FileHeader fh = data("diff --git a/a b/a\n" + "index " + oid
+ ".." + nid + " 100644\n" + "--- a/a\n" + "+++ b/a\n");
assertParse(fh);
assertEquals("a", fh.getOldPath());
assertEquals("a", fh.getNewPath());
assertSame(FileMode.REGULAR_FILE, fh.getOldMode());
assertSame(FileMode.REGULAR_FILE, fh.getNewMode());
assertFalse(fh.hasMetaDataChanges());
assertNotNull(fh.getOldId());
assertNotNull(fh.getNewId());
assertTrue(fh.getOldId().isComplete());
assertTrue(fh.getNewId().isComplete());
assertEquals(ObjectId.fromString(oid), fh.getOldId().toObjectId());
assertEquals(ObjectId.fromString(nid), fh.getNewId().toObjectId());
}
@Test
public void testParseFullIndexLine_NoMode() {
final String oid = "78981922613b2afb6025042ff6bd878ac1994e85";
final String nid = "61780798228d17af2d34fce4cfbdf35556832472";
final FileHeader fh = data("diff --git a/a b/a\n" + "index " + oid
+ ".." + nid + "\n" + "--- a/a\n" + "+++ b/a\n");
assertParse(fh);
assertEquals("a", fh.getOldPath());
assertEquals("a", fh.getNewPath());
assertFalse(fh.hasMetaDataChanges());
assertNull(fh.getOldMode());
assertNull(fh.getNewMode());
assertNotNull(fh.getOldId());
assertNotNull(fh.getNewId());
assertTrue(fh.getOldId().isComplete());
assertTrue(fh.getNewId().isComplete());
assertEquals(ObjectId.fromString(oid), fh.getOldId().toObjectId());
assertEquals(ObjectId.fromString(nid), fh.getNewId().toObjectId());
}
@Test
public void testParseAbbrIndexLine_WithMode() {
final int a = 7;
final String oid = "78981922613b2afb6025042ff6bd878ac1994e85";
final String nid = "61780798228d17af2d34fce4cfbdf35556832472";
final FileHeader fh = data("diff --git a/a b/a\n" + "index "
+ oid.substring(0, a - 1) + ".." + nid.substring(0, a - 1)
+ " 100644\n" + "--- a/a\n" + "+++ b/a\n");
assertParse(fh);
assertEquals("a", fh.getOldPath());
assertEquals("a", fh.getNewPath());
assertSame(FileMode.REGULAR_FILE, fh.getOldMode());
assertSame(FileMode.REGULAR_FILE, fh.getNewMode());
assertFalse(fh.hasMetaDataChanges());
assertNotNull(fh.getOldId());
assertNotNull(fh.getNewId());
assertFalse(fh.getOldId().isComplete());
assertFalse(fh.getNewId().isComplete());
assertEquals(oid.substring(0, a - 1), fh.getOldId().name());
assertEquals(nid.substring(0, a - 1), fh.getNewId().name());
assertTrue(ObjectId.fromString(oid).startsWith(fh.getOldId()));
assertTrue(ObjectId.fromString(nid).startsWith(fh.getNewId()));
}
@Test
public void testParseAbbrIndexLine_NoMode() {
final int a = 7;
final String oid = "78981922613b2afb6025042ff6bd878ac1994e85";
final String nid = "61780798228d17af2d34fce4cfbdf35556832472";
final FileHeader fh = data("diff --git a/a b/a\n" + "index "
+ oid.substring(0, a - 1) + ".." + nid.substring(0, a - 1)
+ "\n" + "--- a/a\n" + "+++ b/a\n");
assertParse(fh);
assertEquals("a", fh.getOldPath());
assertEquals("a", fh.getNewPath());
assertNull(fh.getOldMode());
assertNull(fh.getNewMode());
assertFalse(fh.hasMetaDataChanges());
assertNotNull(fh.getOldId());
assertNotNull(fh.getNewId());
assertFalse(fh.getOldId().isComplete());
assertFalse(fh.getNewId().isComplete());
assertEquals(oid.substring(0, a - 1), fh.getOldId().name());
assertEquals(nid.substring(0, a - 1), fh.getNewId().name());
assertTrue(ObjectId.fromString(oid).startsWith(fh.getOldId()));
assertTrue(ObjectId.fromString(nid).startsWith(fh.getNewId()));
}
private static void assertParse(final FileHeader fh) {
int ptr = fh.parseGitFileName(0, fh.buf.length);
assertTrue(ptr > 0);
ptr = fh.parseGitHeaders(ptr, fh.buf.length);
assertTrue(ptr > 0);
}
private static FileHeader data(final String in) {
return new FileHeader(Constants.encodeASCII(in), 0);
}
private static FileHeader header(final String path) {
return data(gitLine(path) + "--- " + path + "\n");
}
private static String gitLine(final String path) {
return "a/" + path + " b/" + path + "\n";
}
private static FileHeader dqHeader(final String path) {
return data(dqGitLine(path) + "--- " + path + "\n");
}
private static String dqGitLine(final String path) {
return "\"a/" + path + "\" \"b/" + path + "\"\n";
}
}