| // Copyright 2006, 2007 The Apache Software Foundation |
| // |
| // 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 org.apache.tapestry.ioc.internal.services; |
| |
| import org.apache.tapestry.ioc.internal.IOCInternalTestCase; |
| import org.apache.tapestry.ioc.services.DefaultImplementationBuilder; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| public class DefaultImplementationBuilderImplTest extends IOCInternalTestCase |
| { |
| private DefaultImplementationBuilder builder; |
| |
| @BeforeClass |
| public void setup_builder() |
| { |
| builder = getService("DefaultImplementationBuilder", DefaultImplementationBuilder.class); |
| } |
| |
| @AfterClass |
| public void cleanup_builder() |
| { |
| builder = null; |
| } |
| |
| @Test |
| public void simple_interface() |
| { |
| Runnable r = builder.createDefaultImplementation(Runnable.class); |
| |
| r.run(); |
| |
| assertEquals(r.toString(), "<NoOp java.lang.Runnable>"); |
| } |
| |
| public interface ToString |
| { |
| String toString(); |
| } |
| |
| @Test |
| public void interface_has_toString() |
| { |
| ToString ts = builder.createDefaultImplementation(ToString.class); |
| |
| assertNull(ts.toString()); |
| } |
| |
| @Test |
| public void instances_are_cached() |
| { |
| Runnable r1 = null; |
| Runnable r2 = null; |
| |
| // With tests in parallel, there's a harmless race condition that can cause r1 != r2 |
| // for one pass, so we give it a second chance to prove itself. |
| |
| for (int i = 0; i < 2; i++) |
| { |
| r1 = builder.createDefaultImplementation(Runnable.class); |
| r2 = builder.createDefaultImplementation(Runnable.class); |
| |
| if (r1 == r2) break; |
| } |
| |
| assertSame(r2, r1); |
| } |
| } |