| /* |
| * Copyright (c) 2012, Niclas Hedhman. 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.apache.zest.runtime.composite; |
| |
| import java.lang.reflect.Method; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| import org.apache.zest.api.composite.Composite; |
| import org.apache.zest.api.concern.ConcernOf; |
| import org.apache.zest.api.injection.scope.Invocation; |
| import org.apache.zest.api.injection.scope.This; |
| import org.apache.zest.api.value.ValueBuilder; |
| import org.apache.zest.bootstrap.AssemblyException; |
| import org.apache.zest.bootstrap.ModuleAssembly; |
| import org.apache.zest.test.AbstractQi4jTest; |
| |
| import static org.hamcrest.core.IsEqual.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| /** |
| * This test shows how to override any java.util.Map to become read-only. HashMap will be used as the Mixin!! |
| * |
| * Note that keySet(), values() and entrySet() would ALSO require overloading, but this has been left out for |
| * clarity reasons. |
| */ |
| @Ignore( "Awaiting QI-298" ) |
| public class MapOverrideTest |
| extends AbstractQi4jTest |
| { |
| @Override |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| // unable to add the concern, since it is applied on the prototype too! |
| // this seems to be a generic problem with prototypes. |
| module.transients( Map.class ).withMixins( HashMap.class ).withConcerns( ReadOnlyMapConcern.class ); |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingSizeExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| assertThat( underTest.size(), equalTo( 1 ) ); |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingIsEmptyExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| assertThat( underTest.isEmpty(), equalTo( false ) ); |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingContainsKeyExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| assertThat( underTest.containsKey( "Niclas" ), equalTo( true ) ); |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingContainsValueExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| assertThat( underTest.containsValue( "Hedhman" ), equalTo( true ) ); |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingGetExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| assertThat( underTest.get( "Niclas" ), equalTo( "Hedhman" ) ); |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingKeySetExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| assertThat( underTest.keySet(), equalTo( Collections.singleton( "Niclas" ) ) ); |
| } |
| |
| @Test |
| @Ignore |
| public void givenReadOnlyAnnotatedHashMapWhenCallingEntrySetExpectSuccess() |
| { |
| } |
| |
| @Test |
| public void givenReadOnlyAnnotatedHashMapWhenCallingValuesExpectSuccess() |
| { |
| ValueBuilder<Map> builder = module.newValueBuilder( Map.class ); |
| Map<String, String> prototype = builder.prototype(); |
| prototype.put( "Niclas", "Hedhman" ); |
| Map<String, String> underTest = builder.newInstance(); |
| Collection<String> values = Collections.singletonList( "Hedhman" ); |
| assertThat( underTest.values().size(), equalTo( values.size() ) ); |
| assertThat( underTest.values().contains( "Hedhman" ), equalTo( true ) ); |
| } |
| |
| @Test( expected = ReadOnlyException.class ) |
| @Ignore |
| public void givenReadOnlyAnnotatedHashMapWhenCallingPutExpectReadOnlyException() |
| { |
| |
| } |
| |
| @Test( expected = ReadOnlyException.class ) |
| @Ignore |
| public void givenReadOnlyAnnotatedHashMapWhenCallingRemoveExpectReadOnlyException() |
| { |
| |
| } |
| |
| @Test( expected = ReadOnlyException.class ) |
| @Ignore |
| public void givenReadOnlyAnnotatedHashMapWhenCallingPutAllExpectReadOnlyException() |
| { |
| |
| } |
| |
| @Test( expected = ReadOnlyException.class ) |
| @Ignore |
| public void givenReadOnlyAnnotatedHashMapWhenCallingClearExpectReadOnlyException() |
| { |
| |
| } |
| |
| public static abstract class ReadOnlyMapConcern |
| extends ConcernOf<Map> |
| implements Map |
| { |
| @Invocation |
| private Method method; |
| |
| @This |
| private Composite me; |
| |
| @Override |
| public Object put( Object key, Object value ) |
| { |
| throw new ReadOnlyException( me, method ); |
| } |
| |
| @Override |
| public Object remove( Object key ) |
| { |
| throw new ReadOnlyException( me, method ); |
| } |
| |
| @Override |
| public void putAll( Map m ) |
| { |
| throw new ReadOnlyException( me, method ); |
| } |
| |
| @Override |
| public void clear() |
| { |
| throw new ReadOnlyException( me, method ); |
| } |
| } |
| |
| private static class ReadOnlyException |
| extends RuntimeException |
| { |
| public ReadOnlyException( Composite me, Method method ) |
| { |
| super( "Method " + method.getName() + " in [" + me.toString() + "] is READ ONLY." ); |
| } |
| } |
| |
| } |