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/*
* Copyright (C) 2008-2009, Google Inc.
* Copyright (C) 2008, Imran M Yousuf <imyousuf@smartitengineering.com>
* Copyright (C) 2008, Jonas Fonseca <fonseca@diku.dk>
* 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.junit;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.lang.reflect.Method;
import java.net.URISyntaxException;
import java.net.URL;
import org.eclipse.jgit.storage.file.FileRepository;
import org.eclipse.jgit.util.FileUtils;
import org.eclipse.jgit.util.RawParseUtils;
import org.junit.Assert;
import org.junit.Test;
public abstract class JGitTestUtil {
public static final String CLASSPATH_TO_RESOURCES = "org/eclipse/jgit/test/resources/";
private JGitTestUtil() {
throw new UnsupportedOperationException();
}
public static String getName() {
GatherStackTrace stack;
try {
throw new GatherStackTrace();
} catch (GatherStackTrace wanted) {
stack = wanted;
}
try {
for (StackTraceElement stackTrace : stack.getStackTrace()) {
String className = stackTrace.getClassName();
String methodName = stackTrace.getMethodName();
Method method;
try {
method = Class.forName(className) //
.getMethod(methodName, (Class[]) null);
} catch (NoSuchMethodException e) {
// could be private, i.e. not a test method
// could have arguments, not handled
continue;
}
Test annotation = method.getAnnotation(Test.class);
if (annotation != null)
return methodName;
}
} catch (ClassNotFoundException shouldNeverOccur) {
// Fall through and crash.
}
throw new AssertionError("Cannot determine name of current test");
}
@SuppressWarnings("serial")
private static class GatherStackTrace extends Exception {
// Thrown above to collect the stack frame.
}
public static void assertEquals(byte[] exp, byte[] act) {
Assert.assertEquals(s(exp), s(act));
}
private static String s(byte[] raw) {
return RawParseUtils.decode(raw);
}
public static File getTestResourceFile(final String fileName) {
if (fileName == null || fileName.length() <= 0) {
return null;
}
final URL url = cl().getResource(CLASSPATH_TO_RESOURCES + fileName);
if (url == null) {
// If URL is null then try to load it as it was being
// loaded previously
return new File("tst", fileName);
}
try {
return new File(url.toURI());
} catch(URISyntaxException e) {
return new File(url.getPath());
}
}
private static ClassLoader cl() {
return JGitTestUtil.class.getClassLoader();
}
public static File writeTrashFile(final FileRepository db,
final String name, final String data) throws IOException {
File path = new File(db.getWorkTree(), name);
write(path, data);
return path;
}
public static File writeTrashFile(final FileRepository db,
final String subdir,
final String name, final String data) throws IOException {
File path = new File(db.getWorkTree() + "/" + subdir, name);
write(path, data);
return path;
}
/**
* Write a string as a UTF-8 file.
*
* @param f
* file to write the string to. Caller is responsible for making
* sure it is in the trash directory or will otherwise be cleaned
* up at the end of the test. If the parent directory does not
* exist, the missing parent directories are automatically
* created.
* @param body
* content to write to the file.
* @throws IOException
* the file could not be written.
*/
public static void write(final File f, final String body)
throws IOException {
FileUtils.mkdirs(f.getParentFile(), true);
Writer w = new OutputStreamWriter(new FileOutputStream(f), "UTF-8");
try {
w.write(body);
} finally {
w.close();
}
}
public static void deleteTrashFile(final FileRepository db,
final String name) throws IOException {
File path = new File(db.getWorkTree(), name);
FileUtils.delete(path);
}
}
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