HdfsResourceTest.java

/**
 * 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.metamodel.util;

import org.apache.commons.lang.SerializationUtils;

import junit.framework.TestCase;

public class HdfsResourceTest extends TestCase {

    public void testGetQualifiedName() throws Exception {
        final HdfsResource res1 = new HdfsResource("hdfs://localhost:9000/home/metamodel.txt");
        assertEquals("hdfs://localhost:9000/home/metamodel.txt", res1.getQualifiedPath());
        assertEquals("metamodel.txt", res1.getName());
        assertEquals("hdfs", res1.getScheme());

        final HdfsResource res2 = new HdfsResource("localhost", 9000, "/home/metamodel.txt");
        assertEquals("hdfs://localhost:9000/home/metamodel.txt", res2.getQualifiedPath());
        assertEquals("metamodel.txt", res2.getName());
        assertEquals("hdfs", res2.getScheme());

        assertEquals(res1, res2);

        final HdfsResource res3 = new HdfsResource("localhost", 9000, "/home/apache.txt");
        assertEquals("hdfs://localhost:9000/home/apache.txt", res3.getQualifiedPath());
        assertEquals("apache.txt", res3.getName());
        assertEquals("hdfs", res3.getScheme());

        assertFalse(res3.equals(res1));
        
        final HdfsResource res4 = new HdfsResource("emrfs://localhost:9000/home/metamodel.txt");
        assertEquals("emrfs://localhost:9000/home/metamodel.txt", res4.getQualifiedPath());
        assertEquals("metamodel.txt", res4.getName());
        assertEquals("emrfs", res4.getScheme());
        
        assertFalse(res4.equals(res1));
    }
    
    public void testNoHostOrPortInUrl() throws Exception {
        final HdfsResource resource = new HdfsResource("emrfs:///home/metamodel.txt");
        assertEquals("emrfs:///home/metamodel.txt", resource.getQualifiedPath());
    }
    
    public void testSerialization() throws Exception {
        final HdfsResource res1 = new HdfsResource("hdfs://localhost:9000/home/metamodel.txt");
        final byte[] bytes = SerializationUtils.serialize(res1);
        final Object res2 = SerializationUtils.deserialize(bytes);
        assertEquals(res1, res2);
    }
}