| /* |
| * Copyright (c) 2013, Paul Merlin. |
| * |
| * 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.activation; |
| |
| import java.util.Arrays; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.qi4j.api.activation.ActivationException; |
| import org.qi4j.api.activation.ActivatorAdapter; |
| import org.qi4j.api.activation.Activators; |
| import org.qi4j.api.activation.PassivationException; |
| import org.qi4j.api.injection.scope.This; |
| import org.qi4j.api.mixin.Mixins; |
| import org.qi4j.api.service.ServiceReference; |
| import org.qi4j.bootstrap.AssemblyException; |
| import org.qi4j.bootstrap.ModuleAssembly; |
| import org.qi4j.bootstrap.SingletonAssembler; |
| import org.qi4j.runtime.activation.ActivatorOrderTestSupport.ActivationStep; |
| import org.qi4j.runtime.activation.ActivatorOrderTestSupport.ActivationStepsRecorder; |
| import org.qi4j.runtime.activation.ActivatorOrderTestSupport.ActivationStepsRecorderInstance; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * Assert that intra-mixin activation order is correct. |
| * Alpha* depends on Beta* to be activated. |
| */ |
| public class IntraMixinActivationOrderTest |
| { |
| |
| public static final ActivationStepsRecorder RECORDER = new ActivationStepsRecorderInstance(); |
| |
| @Before |
| public void beforeEachTest() |
| { |
| RECORDER.reset(); |
| } |
| |
| public interface AlphaMixinType |
| { |
| } |
| |
| public static class AlphaMixin |
| implements AlphaMixinType, AlphaActivation |
| { |
| |
| @This |
| private BetaMixinType beta; |
| |
| @Override |
| public void setupAlpha() |
| { |
| beta.ensureActivated(); |
| RECORDER.record( new ActivationStep( "alpha", "setup" ) ); |
| } |
| |
| @Override |
| public void tearDownAlpha() |
| { |
| RECORDER.record( new ActivationStep( "alpha", "tear-down" ) ); |
| } |
| |
| } |
| |
| public interface BetaMixinType |
| { |
| |
| void ensureActivated(); |
| |
| } |
| |
| public static class BetaMixin |
| implements BetaMixinType, BetaActivation |
| { |
| |
| private boolean activated = false; |
| |
| @Override |
| public void ensureActivated() |
| { |
| if( !activated ) |
| { |
| throw new IllegalStateException( "BetaMixin is not activated" ); |
| } |
| } |
| |
| @Override |
| public void setupBeta() |
| { |
| RECORDER.record( new ActivationStep( "beta", "setup" ) ); |
| activated = true; |
| } |
| |
| @Override |
| public void tearDownBeta() |
| { |
| RECORDER.record( new ActivationStep( "beta", "tear-down" ) ); |
| activated = false; |
| } |
| |
| } |
| |
| @Activators( AlphaActivation.AlphaActivator.class ) |
| @Mixins( AlphaMixin.class ) |
| public interface AlphaActivation |
| { |
| |
| void setupAlpha(); |
| |
| void tearDownAlpha(); |
| |
| public class AlphaActivator |
| extends ActivatorAdapter<ServiceReference<AlphaActivation>> |
| { |
| |
| @Override |
| public void afterActivation( ServiceReference<AlphaActivation> activated ) |
| throws Exception |
| { |
| activated.get().setupAlpha(); |
| } |
| |
| @Override |
| public void beforePassivation( ServiceReference<AlphaActivation> passivating ) |
| throws Exception |
| { |
| passivating.get().tearDownAlpha(); |
| } |
| |
| } |
| |
| } |
| |
| @Activators( BetaActivation.BetaActivator.class ) |
| @Mixins( BetaMixin.class ) |
| public interface BetaActivation |
| { |
| |
| void setupBeta(); |
| |
| void tearDownBeta(); |
| |
| public class BetaActivator |
| extends ActivatorAdapter<ServiceReference<BetaActivation>> |
| { |
| |
| @Override |
| public void afterActivation( ServiceReference<BetaActivation> activated ) |
| throws Exception |
| { |
| activated.get().setupBeta(); |
| } |
| |
| @Override |
| public void beforePassivation( ServiceReference<BetaActivation> passivating ) |
| throws Exception |
| { |
| passivating.get().tearDownBeta(); |
| } |
| |
| } |
| |
| } |
| |
| // Order of declaration here ensure that Beta is activated before Alpha |
| public interface UnderTestServiceType |
| extends BetaActivation, AlphaActivation |
| { |
| } |
| |
| @Test |
| public void test() |
| throws AssemblyException, ActivationException, PassivationException |
| { |
| new SingletonAssembler() |
| { |
| @Override |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.services( UnderTestServiceType.class ).instantiateOnStartup(); |
| } |
| }.application().passivate(); |
| // System.out.println( RECORDER.steps() ); |
| String expected = Arrays.toString( new String[] |
| { |
| "beta.setup", |
| "alpha.setup", |
| "alpha.tear-down", |
| "beta.tear-down", |
| } ); |
| String actual = Arrays.toString( RECORDER.steps().toArray() ); |
| assertEquals( expected, actual ); |
| } |
| |
| } |