/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.hadoop;
import org.apache.hadoop.fs.Path;
import org.junit.Assert;
import org.junit.Test;
import java.net.URI;
/**
* Tests for the {@link HadoopUtils} class.
*/
public final class HadoopUtilsTest {
/**
* Test for the {@link HadoopUtils#getPathWithoutScheme(Path)} method.
*/
@Test
public void testGetPathWithoutSchema() {
final Path path = new Path("/foo/bar/baz");
final String output = HadoopUtils.getPathWithoutScheme(path);
Assert.assertEquals("/foo/bar/baz", output);
}
/**
* Test for the {@link HadoopUtils#getPathWithoutScheme(Path)} method that contains the schema.
*/
@Test
public void testGetPathWithoutSchemaThatContainsSchema() {
final Path path = new Path("file:///foo/bar/baz");
final String output = HadoopUtils.getPathWithoutScheme(path);
Assert.assertEquals("/foo/bar/baz", output);
}
/**
* This test doesn't work the way you might expect.
*
* If you take the URI.create("hdfs://localhost:1234/foo/bar/baz?please=dont&show=up").getPath
* it will return /foo/bar/baz. If you go through Hadoop's Path using {@link Path#Path(String)}
* then Hadoop injects the query params into the path, so when you call toURI it gives a different
* response.
*/
@Test
public void testGetPathWithoutSchemaFromHDFS() {
final Path path = new Path("hdfs://localhost:1234/foo/bar/baz?please=dont&show=up");
final String output = HadoopUtils.getPathWithoutScheme(path);
Assert.assertFalse("/foo/bar/baz".equals(output));
}
/**
* Test for the {@link HadoopUtils#getPathWithoutScheme(Path)} method from an HDFS URI.
*/
@Test
public void testGetPathWithoutSchemaFromHDFSURI() {
final Path path = new Path(URI.create("hdfs://localhost:1234/foo/bar/baz?please=dont&show=up"));
final String output = HadoopUtils.getPathWithoutScheme(path);
Assert.assertEquals("/foo/bar/baz", output);
}
}