flink-filesystems/flink-hadoop-fs/src/test/java/org/apache/flink/runtime/fs/hdfs/HadoopFsFactoryTest.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.flink.runtime.fs.hdfs;

import org.apache.flink.core.fs.FileSystem;
import org.apache.flink.util.TestLogger;

import org.junit.Test;

import java.io.IOException;
import java.net.URI;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * Tests that validate the behavior of the Hadoop File System Factory.
 */
public class HadoopFsFactoryTest extends TestLogger {

	@Test
	public void testCreateHadoopFsWithoutConfig() throws Exception {
		final URI uri = URI.create("hdfs://localhost:12345/");

		HadoopFsFactory factory = new HadoopFsFactory();
		FileSystem fs = factory.create(uri);

		assertEquals(uri.getScheme(), fs.getUri().getScheme());
		assertEquals(uri.getAuthority(), fs.getUri().getAuthority());
		assertEquals(uri.getPort(), fs.getUri().getPort());
	}

	@Test
	public void testCreateHadoopFsWithMissingAuthority() throws Exception {
		final URI uri = URI.create("hdfs:///my/path");

		HadoopFsFactory factory = new HadoopFsFactory();

		try {
			factory.create(uri);
			fail("should have failed with an exception");
		}
		catch (IOException e) {
			assertTrue(e.getMessage().contains("authority"));
		}
	}
}