| package org.apache.maven.surefire.spi; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.maven.plugin.surefire.booterclient.ProviderDetector; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| import static java.lang.Thread.currentThread; |
| import static org.fest.assertions.Assertions.assertThat; |
| |
| /** |
| * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a> |
| * @since 2.20 |
| */ |
| public class SPITest |
| { |
| private final ServiceLoader spi = new ServiceLoader(); |
| private final ProviderDetector providerDetector = new ProviderDetector(); |
| private final ClassLoader ctx = currentThread().getContextClassLoader(); |
| |
| @Test |
| public void shouldNotLoadSpiDoesNotExist() throws IOException |
| { |
| assertThat( spi.lookup( NoServiceInterface.class, ctx ) ) |
| .isEmpty(); |
| |
| assertThat( spi.load( NoServiceInterface.class, ctx ) ) |
| .isEmpty(); |
| |
| assertThat( providerDetector.lookupServiceNames( NoServiceInterface.class, ctx ) ) |
| .isEmpty(); |
| } |
| |
| @Test |
| public void shouldNotLoadEmptySpi() throws IOException |
| { |
| assertThat( spi.lookup( EmptyServiceInterface.class, ctx ) ) |
| .isEmpty(); |
| |
| assertThat( spi.load( EmptyServiceInterface.class, ctx ) ) |
| .isEmpty(); |
| |
| assertThat( providerDetector.lookupServiceNames( EmptyServiceInterface.class, ctx ) ) |
| .isEmpty(); |
| } |
| |
| @Test |
| public void shouldLoad2SpiObjects() throws IOException |
| { |
| assertThat( spi.lookup( ExistingServiceInterface.class, ctx ) ) |
| .hasSize( 2 ); |
| |
| assertThat( spi.lookup( ExistingServiceInterface.class, ctx ) ) |
| .containsOnly( SPImpl1.class.getName(), SPImpl2.class.getName() ); |
| |
| |
| assertThat( spi.load( ExistingServiceInterface.class, ctx ) ) |
| .hasSize( 2 ); |
| |
| assertThat( spi.load( ExistingServiceInterface.class, ctx ) ) |
| .contains( new SPImpl1(), new SPImpl2() ); |
| |
| |
| assertThat( providerDetector.lookupServiceNames( ExistingServiceInterface.class, ctx ) ) |
| .hasSize( 2 ); |
| |
| assertThat( providerDetector.lookupServiceNames( ExistingServiceInterface.class, ctx ) ) |
| .containsOnly( SPImpl1.class.getName(), SPImpl2.class.getName() ); |
| } |
| } |