1   /*
2    * Copyright 2004-2009 the Seasar Foundation and the Others.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.spi;
17  
18  import static org.junit.Assert.assertSame;
19  import static org.junit.Assert.fail;
20  
21  import org.junit.Test;
22  import org.seasar.cubby.plugin.PluginRegistry;
23  import org.seasar.cubby.plugins.BinderPlugin;
24  
25  public class ProviderFactoryTest {
26  
27  	private final PluginRegistry pluginRegistry = PluginRegistry.getInstance();
28  
29  	@Test
30  	public void getSingletonInstanceInMultiThread() throws Exception {
31  		try {
32  			ProviderFactory.get(FooProvider.class);
33  			fail();
34  		} catch (IllegalArgumentException e) {
35  			// ok
36  		}
37  
38  		final BinderPlugin binderPlugin = new BinderPlugin();
39  		FooProviderImpl fooProviderImpl = new FooProviderImpl();
40  		binderPlugin.bind(FooProvider.class).toInstance(fooProviderImpl);
41  		pluginRegistry.register(binderPlugin);
42  
43  		assertSame(fooProviderImpl, ProviderFactory.get(FooProvider.class));
44  		assertSame(fooProviderImpl, ProviderFactory.get(FooProvider.class)); // twice
45  
46  		pluginRegistry.clear();
47  
48  		try {
49  			ProviderFactory.get(FooProvider.class);
50  			fail();
51  		} catch (IllegalArgumentException e) {
52  			// ok
53  		}
54  	}
55  
56  }