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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.FileNotFoundException;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.OutputStreamWriter;
- import java.io.Writer;
- import java.lang.reflect.Method;
- import java.net.URISyntaxException;
- import java.net.URL;
- import java.nio.file.Path;
-
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.util.FileUtils;
- import org.eclipse.jgit.util.IO;
- 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);
- }
- if ("jar".equals(url.getProtocol())) {
- try {
- File tmp = File.createTempFile("tmp_", "_" + fileName);
- copyTestResource(fileName, tmp);
- return tmp;
- } catch (IOException err) {
- throw new RuntimeException("Cannot create temporary file", err);
- }
- }
- try {
- return new File(url.toURI());
- } catch (IllegalArgumentException e) {
- throw new IllegalArgumentException(e.getMessage() + " " + url);
- } catch (URISyntaxException e) {
- return new File(url.getPath());
- }
- }
-
- public static void copyTestResource(String name, File dest)
- throws IOException {
- URL url = cl().getResource(CLASSPATH_TO_RESOURCES + name);
- if (url == null)
- throw new FileNotFoundException(name);
- InputStream in = url.openStream();
- try {
- FileOutputStream out = new FileOutputStream(dest);
- try {
- byte[] buf = new byte[4096];
- for (int n; (n = in.read(buf)) > 0;)
- out.write(buf, 0, n);
- } finally {
- out.close();
- }
- } finally {
- in.close();
- }
- }
-
- private static ClassLoader cl() {
- return JGitTestUtil.class.getClassLoader();
- }
-
- public static File writeTrashFile(final Repository 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 Repository 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();
- }
- }
-
- /**
- * Fully read a UTF-8 file and return as a string.
- *
- * @param file
- * file to read the content of.
- * @return UTF-8 decoded content of the file, empty string if the file
- * exists but has no content.
- * @throws IOException
- * the file does not exist, or could not be read.
- */
- public static String read(final File file) throws IOException {
- final byte[] body = IO.readFully(file);
- return new String(body, 0, body.length, "UTF-8");
- }
-
- public static String read(final Repository db, final String name)
- throws IOException {
- File file = new File(db.getWorkTree(), name);
- return read(file);
- }
-
- public static boolean check(final Repository db, final String name) {
- File file = new File(db.getWorkTree(), name);
- return file.exists();
- }
-
- public static void deleteTrashFile(final Repository db,
- final String name) throws IOException {
- File path = new File(db.getWorkTree(), name);
- FileUtils.delete(path);
- }
-
- /**
- * @param db
- * the repository
- * @param link
- * the path of the symbolic link to create
- * @param target
- * the target of the symbolic link
- * @return the path to the symbolic link
- * @throws Exception
- * @since 4.2
- */
- public static Path writeLink(Repository db, String link,
- String target) throws Exception {
- return FileUtils.createSymLink(new File(db.getWorkTree(), link),
- target);
- }
-
- }
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