org.jclouds.vfs.provider.blobstore.test.BlobStoreProviderTestCase.java Source code

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Here is the source code for org.jclouds.vfs.provider.blobstore.test.BlobStoreProviderTestCase.java

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
 *
 * ====================================================================
 * 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.
 * ====================================================================
 */

package org.jclouds.vfs.provider.blobstore.test;

import java.io.IOException;

import junit.framework.Test;

import org.apache.commons.vfs.AllFileSelector;
import org.apache.commons.vfs.FileContent;
import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileSystemException;
import org.apache.commons.vfs.FileSystemManager;
import org.apache.commons.vfs.impl.DefaultFileSystemManager;
import org.apache.commons.vfs.test.AbstractProviderTestConfig;
import org.jclouds.blobstore.BlobStore;
import org.jclouds.logging.log4j.config.Log4JLoggingModule;
import org.jclouds.util.Utils;
import org.jclouds.vfs.provider.blobstore.BlobStoreFileObject;
import org.jclouds.vfs.provider.blobstore.BlobStoreFileProvider;

import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableList;
import com.google.common.io.CharStreams;
import com.google.inject.Module;

/**
 * @author Adrian Cole
 */
public class BlobStoreProviderTestCase extends AbstractProviderTestConfig {
    private static final String TEST_URI = "test.blobstore.uri";

    public static Test suite() throws Exception {
        return new BlobStoreProviderTestSuite(new BlobStoreProviderTestCase());
    }

    /**
     * Prepares the file system manager.
     */
    public void prepare(final DefaultFileSystemManager manager) throws Exception {
        manager.addProvider("blobstore",
                new BlobStoreFileProvider(ImmutableList.<Module>of(new Log4JLoggingModule())));
    }

    /**
     * Returns the base folder for tests.
     */
    public FileObject getBaseTestFolder(final FileSystemManager manager) throws Exception {
        String uri = System.getProperty(TEST_URI, "blobstore://identity:key@stub/stub");
        return setUpTests(manager, uri);
    }

    private FileObject setUpTests(final FileSystemManager manager, String uri)
            throws FileSystemException, IOException {
        FileObject base = manager.resolveFile(uri);
        FileObject writeTests = base.resolveFile("write-tests");
        FileObject readTests = base.resolveFile("read-tests");

        if (base instanceof BlobStoreFileObject) {
            BlobStore blobStore = ((BlobStoreFileObject) base).getBlobStore();
            String container = ((BlobStoreFileObject) base).getContainer();
            blobStore.clearContainer(container);
        } else {
            writeTests.delete(new AllFileSelector());
            readTests.delete(new AllFileSelector());
        }

        writeTests.createFolder();
        readTests.createFolder();
        for (String name : new String[] { "file1.txt", "file%25.txt", "file space.txt" }) {
            writeFile(readTests, name, FILE1_CONTENT);
        }
        writeFile(readTests, "empty.txt", "");
        FileObject dir = readTests.resolveFile("dir1");
        dir.createFolder();
        write3Files(dir);
        for (String subdirName : new String[] { "subdir1", "subdir2", "subdir3" }) {
            FileObject subdir = dir.resolveFile(subdirName);
            subdir.createFolder();
            write3Files(subdir);
        }
        return base;
    }

    private void write3Files(FileObject base) throws IOException {
        for (String name : new String[] { "file1.txt", "file2.txt", "file3.txt" }) {
            writeFile(base, name, TEST_FILE_CONTENT);
        }
    }

    private void writeFile(FileObject base, String name, String value) throws FileSystemException, IOException {
        FileObject file = base.resolveFile(name);
        FileContent content = file.getContent();
        CharStreams.write(value, CharStreams
                .newWriterSupplier(Utils.newOutputStreamSupplier(content.getOutputStream()), Charsets.UTF_8));
        content.close();
    }

}