/* * 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.beam.sdk.io.hdfs; import static org.junit.Assert.assertThat; import static org.junit.Assert.fail; import com.google.common.collect.Lists; import java.util.ServiceLoader; import org.apache.beam.sdk.options.PipelineOptionsRegistrar; import org.hamcrest.Matchers; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; /** * Tests for {@link HadoopFileSystemOptionsRegistrar}. */ @RunWith(JUnit4.class) public class HadoopFileSystemOptionsRegistrarTest { @Test public void testServiceLoader() { for (PipelineOptionsRegistrar registrar : Lists.newArrayList(ServiceLoader.load(PipelineOptionsRegistrar.class).iterator())) { if (registrar instanceof HadoopFileSystemOptionsRegistrar) { assertThat(registrar.getPipelineOptions(), Matchers.<Class<?>>contains(HadoopFileSystemOptions.class)); return; } } fail("Expected to find " + HadoopFileSystemOptionsRegistrar.class); } }