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/*
* 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.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* 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
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.patch;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import org.eclipse.jgit.junit.JGitTestUtil;
import org.junit.Test;
public class GetTextTest {
@Test
public void testGetText_BothISO88591() throws IOException {
final Charset cs = Charset.forName("ISO-8859-1");
final Patch p = parseTestPatchFile();
assertTrue(p.getErrors().isEmpty());
assertEquals(1, p.getFiles().size());
final FileHeader fh = p.getFiles().get(0);
assertEquals(2, fh.getHunks().size());
assertEquals(readTestPatchFile(cs), fh.getScriptText(cs, cs));
}
@Test
public void testGetText_NoBinary() throws IOException {
final Charset cs = Charset.forName("ISO-8859-1");
final Patch p = parseTestPatchFile();
assertTrue(p.getErrors().isEmpty());
assertEquals(1, p.getFiles().size());
final FileHeader fh = p.getFiles().get(0);
assertEquals(0, fh.getHunks().size());
assertEquals(readTestPatchFile(cs), fh.getScriptText(cs, cs));
}
@Test
public void testGetText_Convert() throws IOException {
final Charset csOld = Charset.forName("ISO-8859-1");
final Charset csNew = Charset.forName("UTF-8");
final Patch p = parseTestPatchFile();
assertTrue(p.getErrors().isEmpty());
assertEquals(1, p.getFiles().size());
final FileHeader fh = p.getFiles().get(0);
assertEquals(2, fh.getHunks().size());
// Read the original file as ISO-8859-1 and fix up the one place
// where we changed the character encoding. That makes the exp
// string match what we really expect to get back.
//
String exp = readTestPatchFile(csOld);
exp = exp.replace("\303\205ngstr\303\266m", "\u00c5ngstr\u00f6m");
assertEquals(exp, fh.getScriptText(csOld, csNew));
}
@Test
public void testGetText_DiffCc() throws IOException {
final Charset csOld = Charset.forName("ISO-8859-1");
final Charset csNew = Charset.forName("UTF-8");
final Patch p = parseTestPatchFile();
assertTrue(p.getErrors().isEmpty());
assertEquals(1, p.getFiles().size());
final CombinedFileHeader fh = (CombinedFileHeader) p.getFiles().get(0);
assertEquals(1, fh.getHunks().size());
// Read the original file as ISO-8859-1 and fix up the one place
// where we changed the character encoding. That makes the exp
// string match what we really expect to get back.
//
String exp = readTestPatchFile(csOld);
exp = exp.replace("\303\205ngstr\303\266m", "\u00c5ngstr\u00f6m");
assertEquals(exp, fh
.getScriptText(new Charset[] { csNew, csOld, csNew }));
}
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();
}
}
private String readTestPatchFile(final Charset cs) 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 InputStreamReader r = new InputStreamReader(in, cs);
char[] tmp = new char[2048];
final StringBuilder s = new StringBuilder();
int n;
while ((n = r.read(tmp)) > 0)
s.append(tmp, 0, n);
return s.toString();
} finally {
in.close();
}
}
}
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