| /* |
| * Copyright (c) 2013-2014, Paul Merlin. 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.api.activation; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import org.junit.Test; |
| import org.qi4j.api.injection.scope.Structure; |
| import org.qi4j.api.mixin.Mixins; |
| import org.qi4j.api.service.ServiceReference; |
| import org.qi4j.api.structure.Application; |
| import org.qi4j.api.structure.Layer; |
| import org.qi4j.api.structure.Module; |
| import org.qi4j.bootstrap.Assembler; |
| import org.qi4j.bootstrap.AssemblyException; |
| import org.qi4j.bootstrap.ModuleAssembly; |
| import org.qi4j.bootstrap.builder.ApplicationBuilder; |
| |
| import static org.hamcrest.core.StringContains.containsString; |
| import static org.hamcrest.core.IsEqual.equalTo; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| |
| public class PassivationExceptionTest |
| { |
| private static String stack( Exception ex ) |
| { |
| StringWriter writer = new StringWriter(); |
| ex.printStackTrace( new PrintWriter( writer ) ); |
| return writer.toString(); |
| } |
| |
| @Test |
| public void testEmptyPassivationException() |
| { |
| PassivationException empty = new PassivationException( Collections.<Exception>emptyList() ); |
| assertThat( empty.getMessage(), containsString( "has 0 cause" ) ); |
| } |
| |
| @Test |
| public void testSinglePassivationException() |
| { |
| PassivationException single = new PassivationException( Collections.singletonList( new Exception( "single" ) ) ); |
| String stack = stack( single ); |
| assertThat( single.getMessage(), containsString( "has 1 cause" ) ); |
| assertThat( stack, containsString( "Suppressed: java.lang.Exception: single" ) ); |
| } |
| |
| @Test |
| public void testMultiplePassivationException() |
| { |
| PassivationException multi = new PassivationException( Arrays.asList( new Exception( "one" ), |
| new Exception( "two" ), |
| new Exception( "three" ) ) ); |
| String stack = stack( multi ); |
| assertThat( multi.getMessage(), containsString( "has 3 cause(s)" ) ); |
| assertThat( stack, containsString( "Suppressed: java.lang.Exception: one" ) ); |
| assertThat( stack, containsString( "Suppressed: java.lang.Exception: two" ) ); |
| assertThat( stack, containsString( "Suppressed: java.lang.Exception: three" ) ); |
| } |
| |
| @Test |
| public void testPassivationExceptionsAccrossStructure() |
| throws AssemblyException, ActivationException |
| { |
| ApplicationBuilder appBuilder = new ApplicationBuilder( "TestApplication" ); |
| appBuilder.withLayer( "Layer 1" ).withModule( "Module A" ).withAssembler( new Assembler() |
| { |
| @Override |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.services( TestService.class ). |
| identifiedBy( "TestService_Module.A" ). |
| withActivators( FailBeforePassivationServiceActivator.class ). |
| instantiateOnStartup(); |
| } |
| } ); |
| appBuilder.withLayer( "Layer 2" ).withModule( "Module B" ).withAssembler( new Assembler() |
| { |
| @Override |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.services( TestService.class ). |
| identifiedBy( "TestService_Module.B" ). |
| withActivators( FailAfterPassivationServiceActivator.class ). |
| instantiateOnStartup(); |
| } |
| } ); |
| appBuilder.registerActivationEventListener( new TestActivationEventListener() ); |
| |
| Application app = appBuilder.newApplication(); |
| |
| try |
| { |
| Module moduleA = app.findModule( "Layer 1", "Module A" ); |
| TestService service = moduleA.findService( TestService.class ).get(); |
| assertThat( service.hello(), equalTo( "Hello Zest!" ) ); |
| } |
| finally |
| { |
| try |
| { |
| app.passivate(); |
| fail( "No PassivationException" ); |
| } |
| catch( PassivationException ex ) |
| { |
| ex.printStackTrace(); |
| String stack = stack( ex ); |
| assertThat( ex.getMessage(), containsString( "has 12 cause(s)" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL BEFORE PASSIVATION for TestApplication" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL BEFORE PASSIVATION for Layer 2" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL BEFORE PASSIVATION for Module B" ) ); |
| assertThat( stack, containsString( "ACTIVATOR: FAIL AFTER PASSIVATION for TestService_Module.B(active=false,module='Module B')" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL AFTER PASSIVATION for Module B" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL AFTER PASSIVATION for Layer 2" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL BEFORE PASSIVATION for Layer 1" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL BEFORE PASSIVATION for Module A" ) ); |
| assertThat( stack, containsString( "ACTIVATOR: FAIL BEFORE PASSIVATION for TestService_Module.A(active=true,module='Module A')" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL AFTER PASSIVATION for Module A" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL AFTER PASSIVATION for Layer 1" ) ); |
| assertThat( stack, containsString( "EVENT: FAIL AFTER PASSIVATION for TestApplication" ) ); |
| } |
| } |
| } |
| |
| @Mixins( TestService.Mixin.class ) |
| public interface TestService |
| { |
| String hello(); |
| |
| static class Mixin |
| implements TestService |
| { |
| @Structure |
| private Module module; |
| |
| @Override |
| public String hello() |
| { |
| module.name(); |
| return "Hello Zest!"; |
| } |
| } |
| |
| } |
| |
| public static class FailBeforePassivationServiceActivator |
| extends ActivatorAdapter<ServiceReference<TestService>> |
| { |
| @Override |
| public void beforePassivation( ServiceReference<TestService> passivated ) |
| throws Exception |
| { |
| throw new Exception( "ACTIVATOR: FAIL BEFORE PASSIVATION for " + passivated ); |
| } |
| } |
| |
| public static class FailAfterPassivationServiceActivator |
| extends ActivatorAdapter<ServiceReference<TestService>> |
| { |
| @Override |
| public void afterPassivation( ServiceReference<TestService> passivated ) |
| throws Exception |
| { |
| throw new Exception( "ACTIVATOR: FAIL AFTER PASSIVATION for " + passivated ); |
| } |
| } |
| |
| public static class TestActivationEventListener |
| implements ActivationEventListener |
| { |
| @Override |
| public void onEvent( ActivationEvent event ) |
| throws Exception |
| { |
| if( !( event.source() instanceof Application ) |
| && !( event.source() instanceof Layer ) |
| && !( event.source() instanceof Module ) ) |
| { |
| return; |
| } |
| switch( event.type() ) |
| { |
| case PASSIVATING: |
| throw new Exception( "EVENT: FAIL BEFORE PASSIVATION for " + event.source() ); |
| case PASSIVATED: |
| throw new Exception( "EVENT: FAIL AFTER PASSIVATION for " + event.source() ); |
| } |
| } |
| } |
| |
| } |