/*
* Copyright (C) 2008, Google Inc.
* 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
* 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
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* without modification, are permitted provided that the following
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* - Redistributions of source code must retain the above copyright
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* - Redistributions in binary form must reproduce the above
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package org.eclipse.jgit.patch;
import static org.junit.Assert.assertEquals;
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.diff.DiffEntry;
import org.eclipse.jgit.junit.JGitTestUtil;
import org.eclipse.jgit.lib.FileMode;
import org.junit.Test;
public class PatchCcTest {
@Test
public void testParse_OneFileCc() throws IOException {
final Patch p = parseTestPatchFile();
assertEquals(1, p.getFiles().size());
assertTrue(p.getErrors().isEmpty());
final CombinedFileHeader cfh = (CombinedFileHeader) p.getFiles().get(0);
assertEquals("org.spearce.egit.ui/src/org/spearce/egit/ui/UIText.java",
cfh.getNewPath());
assertEquals(cfh.getNewPath(), cfh.getOldPath());
assertEquals(98, cfh.startOffset);
assertEquals(2, cfh.getParentCount());
assertSame(cfh.getOldId(0), cfh.getOldId());
assertEquals("169356b", cfh.getOldId(0).name());
assertEquals("dd8c317", cfh.getOldId(1).name());
assertEquals("fd85931", cfh.getNewId().name());
assertSame(cfh.getOldMode(0), cfh.getOldMode());
assertSame(FileMode.REGULAR_FILE, cfh.getOldMode(0));
assertSame(FileMode.REGULAR_FILE, cfh.getOldMode(1));
assertSame(FileMode.EXECUTABLE_FILE, cfh.getNewMode());
assertSame(FileHeader.ChangeType.MODIFY, cfh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, cfh.getPatchType());
assertEquals(1, cfh.getHunks().size());
{
final CombinedHunkHeader h = cfh.getHunks().get(0);
assertSame(cfh, h.getFileHeader());
assertEquals(346, h.startOffset);
assertEquals(764, h.endOffset);
assertSame(h.getOldImage(0), h.getOldImage());
assertSame(cfh.getOldId(0), h.getOldImage(0).getId());
assertSame(cfh.getOldId(1), h.getOldImage(1).getId());
assertEquals(55, h.getOldImage(0).getStartLine());
assertEquals(12, h.getOldImage(0).getLineCount());
assertEquals(3, h.getOldImage(0).getLinesAdded());
assertEquals(0, h.getOldImage(0).getLinesDeleted());
assertEquals(163, h.getOldImage(1).getStartLine());
assertEquals(13, h.getOldImage(1).getLineCount());
assertEquals(2, h.getOldImage(1).getLinesAdded());
assertEquals(0, h.getOldImage(1).getLinesDeleted());
assertEquals(163, h.getNewStartLine());
assertEquals(15, h.getNewLineCount());
assertEquals(10, h.getLinesContext());
}
}
@Test
public void testParse_CcNewFile() throws IOException {
final Patch p = parseTestPatchFile();
assertEquals(1, p.getFiles().size());
assertTrue(p.getErrors().isEmpty());
final CombinedFileHeader cfh = (CombinedFileHeader) p.getFiles().get(0);
assertSame(DiffEntry.DEV_NULL, cfh.getOldPath());
assertEquals("d", cfh.getNewPath());
assertEquals(187, cfh.startOffset);
assertEquals(2, cfh.getParentCount());
assertSame(cfh.getOldId(0), cfh.getOldId());
assertEquals("0000000", cfh.getOldId(0).name());
assertEquals("0000000", cfh.getOldId(1).name());
assertEquals("4bcfe98", cfh.getNewId().name());
assertSame(cfh.getOldMode(0), cfh.getOldMode());
assertSame(FileMode.MISSING, cfh.getOldMode(0));
assertSame(FileMode.MISSING, cfh.getOldMode(1));
assertSame(FileMode.REGULAR_FILE, cfh.getNewMode());
assertSame(FileHeader.ChangeType.ADD, cfh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, cfh.getPatchType());
assertEquals(1, cfh.getHunks().size());
{
final CombinedHunkHeader h = cfh.getHunks().get(0);
assertSame(cfh, h.getFileHeader());
assertEquals(273, h.startOffset);
assertEquals(300, h.endOffset);
assertSame(h.getOldImage(0), h.getOldImage());
assertSame(cfh.getOldId(0), h.getOldImage(0).getId());
assertSame(cfh.getOldId(1), h.getOldImage(1).getId());
assertEquals(1, h.getOldImage(0).getStartLine());
assertEquals(0, h.getOldImage(0).getLineCount());
assertEquals(1, h.getOldImage(0).getLinesAdded());
assertEquals(0, h.getOldImage(0).getLinesDeleted());
assertEquals(1, h.getOldImage(1).getStartLine());
assertEquals(0, h.getOldImage(1).getLineCount());
assertEquals(1, h.getOldImage(1).getLinesAdded());
assertEquals(0, h.getOldImage(1).getLinesDeleted());
assertEquals(1, h.getNewStartLine());
assertEquals(1, h.getNewLineCount());
assertEquals(0, h.getLinesContext());
}
}
@Test
public void testParse_CcDeleteFile() throws IOException {
final Patch p = parseTestPatchFile();
assertEquals(1, p.getFiles().size());
assertTrue(p.getErrors().isEmpty());
final CombinedFileHeader cfh = (CombinedFileHeader) p.getFiles().get(0);
assertEquals("a", cfh.getOldPath());
assertSame(DiffEntry.DEV_NULL, cfh.getNewPath());
assertEquals(187, cfh.startOffset);
assertEquals(2, cfh.getParentCount());
assertSame(cfh.getOldId(0), cfh.getOldId());
assertEquals("7898192", cfh.getOldId(0).name());
assertEquals("2e65efe", cfh.getOldId(1).name());
assertEquals("0000000", cfh.getNewId().name());
assertSame(cfh.getOldMode(0), cfh.getOldMode());
assertSame(FileMode.REGULAR_FILE, cfh.getOldMode(0));
assertSame(FileMode.REGULAR_FILE, cfh.getOldMode(1));
assertSame(FileMode.MISSING, cfh.getNewMode());
assertSame(FileHeader.ChangeType.DELETE, cfh.getChangeType());
assertSame(FileHeader.PatchType.UNIFIED, cfh.getPatchType());
assertTrue(cfh.getHunks().isEmpty());
}
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();
}
}
}