Java tutorial
/* * Copyright 2017 Cask Data, Inc. * * 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 co.cask.cdap.common.io; import org.apache.hadoop.conf.Configuration; import org.apache.twill.filesystem.FileContextLocationFactory; import org.apache.twill.filesystem.LocalLocationFactory; import org.apache.twill.filesystem.Location; import org.apache.twill.filesystem.LocationFactory; import org.junit.Assert; import org.junit.Test; import java.io.File; import java.io.IOException; /** * Unit test for {@link Locations} */ public class LocationsTest { private static final String TEST_BASE_PATH = "test_base"; private static final String TEST_PATH = "some/test/path"; @Test public void absolutePathTests() throws IOException { // Test HDFS: Configuration conf = new Configuration(); conf.set("fs.defaultFS", "hdfs://1.2.3.4:8020/"); LocationFactory locationFactory = new FileContextLocationFactory(conf, TEST_BASE_PATH); Location location1 = locationFactory.create(TEST_PATH); Location location2 = Locations.getLocationFromAbsolutePath(locationFactory, location1.toURI().getPath()); Assert.assertEquals(location1.toURI(), location2.toURI()); // Test file: conf = new Configuration(); conf.set("fs.defaultFS", "file:///"); locationFactory = new FileContextLocationFactory(conf, TEST_BASE_PATH); location1 = locationFactory.create(TEST_PATH); location2 = Locations.getLocationFromAbsolutePath(locationFactory, location1.toURI().getPath()); Assert.assertEquals(location1.toURI(), location2.toURI()); // Test LocalLocation locationFactory = new LocalLocationFactory(new File(TEST_BASE_PATH)); location1 = locationFactory.create(TEST_PATH); location2 = Locations.getLocationFromAbsolutePath(locationFactory, location1.toURI().getPath()); Assert.assertEquals(location1.toURI(), location2.toURI()); } }