| /* |
| * Copyright (c) 2008, Rickard Öberg. All Rights Reserved. |
| * |
| * 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.qi4j.runtime.mixin; |
| |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Method; |
| import org.junit.Test; |
| import org.qi4j.api.composite.TransientComposite; |
| import org.qi4j.api.mixin.Mixins; |
| import org.qi4j.bootstrap.AssemblyException; |
| import org.qi4j.bootstrap.ModuleAssembly; |
| import org.qi4j.test.AbstractQi4jTest; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| |
| /** |
| * Test mixin declaration precedence satisfiedBy |
| */ |
| public class MixinPrecedenceTest |
| extends AbstractQi4jTest |
| { |
| |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.transients( TestComposite1.class, |
| TestComposite2.class, |
| TestComposite3.class ); |
| } |
| |
| @Test |
| public void whenMultipleTypedMixinsPrecedence() |
| { |
| TestComposite1 instance = module.newTransient( TestComposite1.class ); |
| assertThat( "Mixin precedence", instance.AMethod(), equalTo( "A1" ) ); |
| } |
| |
| @Test |
| public void whenGenericAndTypedMixinPrecedence() |
| { |
| TestComposite2 instance = module.newTransient( TestComposite2.class ); |
| assertThat( "Typed mixin is chosen over generic mixin", instance.AMethod(), equalTo( "A1" ) ); |
| } |
| |
| @Test |
| public void whenMultipleGenericMixinsPrecedence() |
| { |
| TestComposite3 instance = module.newTransient( TestComposite3.class ); |
| assertEquals( "GM1", instance.AMethod() ); |
| } |
| |
| @Mixins( { AMixin1.class, AMixin2.class } ) |
| public static interface TestComposite1 |
| extends A, TransientComposite |
| { |
| } |
| |
| @Mixins( { GenericMixin1.class, AMixin1.class } ) |
| public static interface TestComposite2 |
| extends A, TransientComposite |
| { |
| } |
| |
| @Mixins( { GenericMixin1.class, GenericMixin2.class } ) |
| public static interface TestComposite3 |
| extends A, TransientComposite |
| { |
| } |
| |
| public interface A |
| { |
| String AMethod(); |
| } |
| |
| public static class AMixin1 |
| implements A |
| { |
| |
| public String AMethod() |
| { |
| return "A1"; |
| } |
| } |
| |
| public static class AMixin2 |
| implements A |
| { |
| |
| public String AMethod() |
| { |
| return "A2"; |
| } |
| } |
| |
| public static class GenericMixin1 |
| implements InvocationHandler |
| { |
| public Object invoke( Object object, Method method, Object[] objects ) |
| throws Throwable |
| { |
| return "GM1"; |
| } |
| } |
| |
| public static class GenericMixin2 |
| implements InvocationHandler |
| { |
| public Object invoke( Object object, Method method, Object[] objects ) |
| throws Throwable |
| { |
| return "GM2"; |
| } |
| } |
| } |