com.google.gerrit.server.tools.hooks.HookTestCase.java Source code

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Here is the source code for com.google.gerrit.server.tools.hooks.HookTestCase.java

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// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Portions related to finding the hook script to execute are:
// Copyright (C) 2008, Imran M Yousuf <imyousuf@smartitengineering.com>
//
// 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 Git Development Community 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 com.google.gerrit.server.tools.hooks;

import static org.junit.Assert.fail;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.io.ByteStreams;

import org.eclipse.jgit.junit.LocalDiskRepositoryTestCase;
import org.eclipse.jgit.lib.Repository;
import org.junit.After;
import org.junit.Before;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import java.util.Map;

public abstract class HookTestCase extends LocalDiskRepositoryTestCase {
    protected Repository repository;
    private final Map<String, File> hooks = Maps.newTreeMap();
    private final List<File> cleanup = Lists.newArrayList();

    @Override
    @Before
    public void setUp() throws Exception {
        super.setUp();
        repository = createWorkRepository();
    }

    @Override
    @After
    public void tearDown() throws Exception {
        super.tearDown();
        for (File p : cleanup) {
            if (!p.delete()) {
                p.deleteOnExit();
            }
        }
        cleanup.clear();
    }

    protected File getHook(final String name) throws IOException {
        File hook = hooks.get(name);
        if (hook != null) {
            return hook;
        }

        final String scproot = "com/google/gerrit/server/tools/root";
        final String path = scproot + "/hooks/" + name;
        URL url = cl().getResource(path);
        if (url == null) {
            fail("Cannot locate " + path + " in CLASSPATH");
        }

        if ("file".equals(url.getProtocol())) {
            hook = new File(url.getPath());
            if (!hook.isFile()) {
                fail("Cannot locate " + path + " in CLASSPATH");
            }
            long time = hook.lastModified();
            hook.setExecutable(true);
            hook.setLastModified(time);
            hooks.put(name, hook);
            return hook;
        } else if ("jar".equals(url.getProtocol())) {
            InputStream in = url.openStream();
            try {
                hook = File.createTempFile("hook_", ".sh");
                cleanup.add(hook);
                FileOutputStream out = new FileOutputStream(hook);
                try {
                    ByteStreams.copy(in, out);
                } finally {
                    out.close();
                }
            } finally {
                in.close();
            }
            hook.setExecutable(true);
            hooks.put(name, hook);
            return hook;
        } else {
            fail("Cannot invoke " + url);
            return null;
        }
    }

    private ClassLoader cl() {
        return HookTestCase.class.getClassLoader();
    }
}