/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.commons.vfs2.provider.ram.test;
import java.io.OutputStream;
import junit.framework.TestCase;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemOptions;
import org.apache.commons.vfs2.impl.DefaultFileSystemManager;
import org.apache.commons.vfs2.provider.ram.RamFileProvider;
import org.apache.commons.vfs2.provider.ram.RamFileSystemConfigBuilder;
/**
* Custom tests
*
* @author edgar poce
*
*/
public class CustomRamProviderTest extends TestCase
{
DefaultFileSystemManager manager;
FileSystemOptions zeroSized = new FileSystemOptions();
FileSystemOptions smallSized = new FileSystemOptions();
FileSystemOptions defaultRamFs = new FileSystemOptions();
@Override
protected void setUp() throws Exception
{
super.setUp();
manager = new DefaultFileSystemManager();
manager.addProvider("ram", new RamFileProvider());
manager.init();
// File Systems Options
RamFileSystemConfigBuilder.getInstance().setMaxSize(zeroSized, 0);
RamFileSystemConfigBuilder.getInstance().setMaxSize(smallSized, 10);
}
@Override
protected void tearDown() throws Exception
{
super.tearDown();
manager.close();
}
public void testSmallFS() throws Exception
{
// Default FS
FileObject fo1 = manager.resolveFile("ram:/");
FileObject fo2 = manager.resolveFile("ram:/");
assertTrue("Both files should exist in the same fs instance.", fo1
.getFileSystem() == fo2.getFileSystem());
// Small FS
FileObject fo3 = manager.resolveFile("ram:/fo3", smallSized);
FileObject fo4 = manager.resolveFile("ram:/", smallSized);
assertTrue("Both files should exist in different fs instances.", fo3
.getFileSystem() == fo4.getFileSystem());
assertTrue("These file shouldn't be in the same file system.", fo1
.getFileSystem() != fo3.getFileSystem());
fo3.createFile();
try
{
OutputStream os = fo3.getContent().getOutputStream();
os.write(new byte[10]);
os.close();
}
catch (FileSystemException e)
{
fail("It shouldn't save such a small file");
}
try
{
OutputStream os = fo3.getContent().getOutputStream();
os.write(new byte[11]);
os.close();
fail("It shouldn't save such a big file");
}
catch (FileSystemException e)
{
// exception awaited
}
}
/**
*
* Checks root folder exists
*
* @throws FileSystemException
*/
public void testRootFolderExists() throws FileSystemException {
FileObject root = manager.resolveFile("ram:///", defaultRamFs);
assertTrue(root.getType().hasChildren());
try {
root.delete();
fail();
} catch (FileSystemException e) {
}
}
}