1   /*
2    * Copyright 2004-2010 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  
17  package org.seasar.cubby.spi;
18  
19  import static org.junit.Assert.assertSame;
20  import static org.junit.Assert.fail;
21  
22  import org.junit.Test;
23  import org.seasar.cubby.plugin.PluginRegistry;
24  import org.seasar.cubby.plugins.BinderPlugin;
25  
26  public class ProviderFactoryTest {
27  
28  	private final PluginRegistry pluginRegistry = PluginRegistry.getInstance();
29  
30  	@Test
31  	public void getSingletonInstanceInMultiThread() throws Exception {
32  		try {
33  			ProviderFactory.get(FooProvider.class);
34  			fail();
35  		} catch (IllegalArgumentException e) {
36  			// ok
37  		}
38  
39  		final BinderPlugin binderPlugin = new BinderPlugin();
40  		FooProviderImpl fooProviderImpl = new FooProviderImpl();
41  		binderPlugin.bind(FooProvider.class).toInstance(fooProviderImpl);
42  		pluginRegistry.register(binderPlugin);
43  
44  		assertSame(fooProviderImpl, ProviderFactory.get(FooProvider.class));
45  		assertSame(fooProviderImpl, ProviderFactory.get(FooProvider.class)); // twice
46  
47  		pluginRegistry.clear();
48  
49  		try {
50  			ProviderFactory.get(FooProvider.class);
51  			fail();
52  		} catch (IllegalArgumentException e) {
53  			// ok
54  		}
55  	}
56  
57  }