| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.commons.beanutils2; |
| |
| import java.beans.IntrospectionException; |
| import java.beans.PropertyDescriptor; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Test class for {@code SuppressPropertiesBeanIntrospector}. |
| * |
| */ |
| public class SuppressPropertiesBeanIntrospectorTestCase extends TestCase { |
| /** |
| * Tries to create an instance without properties. |
| */ |
| public void testInitNoPropertyNames() { |
| try { |
| new SuppressPropertiesBeanIntrospector(null); |
| fail("Missing properties not detected!"); |
| } catch (final IllegalArgumentException iaex) { |
| // ok |
| } |
| } |
| |
| /** |
| * Tests whether the expected properties have been removed during introspection. |
| */ |
| public void testRemovePropertiesDuringIntrospection() throws IntrospectionException { |
| final String[] properties = { "test", "other", "oneMore" }; |
| final SuppressPropertiesBeanIntrospector introspector = new SuppressPropertiesBeanIntrospector( |
| Arrays.asList(properties)); |
| final IntrospectionContextTestImpl context = new IntrospectionContextTestImpl(); |
| |
| introspector.introspect(context); |
| assertEquals("Wrong number of removed properties", properties.length, context |
| .getRemovedProperties().size()); |
| for (final String property : properties) { |
| assertTrue("Property not removed: " + property, context |
| .getRemovedProperties().contains(property)); |
| } |
| } |
| |
| /** |
| * Tests that a defensive copy is created from the collection with properties to be |
| * removed. |
| */ |
| public void testPropertyNamesDefensiveCopy() throws IntrospectionException { |
| final Collection<String> properties = new HashSet<>(); |
| properties.add("prop1"); |
| final SuppressPropertiesBeanIntrospector introspector = new SuppressPropertiesBeanIntrospector( |
| properties); |
| properties.add("prop2"); |
| final IntrospectionContextTestImpl context = new IntrospectionContextTestImpl(); |
| |
| introspector.introspect(context); |
| assertEquals("Wrong number of removed properties", 1, context |
| .getRemovedProperties().size()); |
| assertTrue("Wrong removed property", |
| context.getRemovedProperties().contains("prop1")); |
| } |
| |
| /** |
| * Tests that the set with properties to be removed cannot be modified. |
| */ |
| public void testGetSuppressedPropertiesModify() { |
| final SuppressPropertiesBeanIntrospector introspector = new SuppressPropertiesBeanIntrospector( |
| Arrays.asList("p1", "p2")); |
| final Set<String> properties = introspector.getSuppressedProperties(); |
| try { |
| properties.add("anotherProperty"); |
| fail("Could modify properties"); |
| } catch (final UnsupportedOperationException uoex) { |
| // ok |
| } |
| } |
| |
| /** |
| * A test implementation of IntrospectionContext which collects the properties which |
| * have been removed. |
| */ |
| private static class IntrospectionContextTestImpl implements IntrospectionContext { |
| /** Stores the names of properties which have been removed. */ |
| private final Set<String> removedProperties = new HashSet<>(); |
| |
| /** |
| * Returns the names of properties which have been removed. |
| * |
| * @return the set with removed properties |
| */ |
| public Set<String> getRemovedProperties() { |
| return removedProperties; |
| } |
| |
| @Override |
| public Class<?> getTargetClass() { |
| throw new UnsupportedOperationException("Unexpected method call!"); |
| } |
| |
| @Override |
| public void addPropertyDescriptor(final PropertyDescriptor desc) { |
| throw new UnsupportedOperationException("Unexpected method call!"); |
| } |
| |
| @Override |
| public void addPropertyDescriptors(final PropertyDescriptor[] descriptors) { |
| throw new UnsupportedOperationException("Unexpected method call!"); |
| } |
| |
| @Override |
| public boolean hasProperty(final String name) { |
| throw new UnsupportedOperationException("Unexpected method call!"); |
| } |
| |
| @Override |
| public PropertyDescriptor getPropertyDescriptor(final String name) { |
| throw new UnsupportedOperationException("Unexpected method call!"); |
| } |
| |
| @Override |
| public void removePropertyDescriptor(final String name) { |
| removedProperties.add(name); |
| } |
| |
| @Override |
| public Set<String> propertyNames() { |
| throw new UnsupportedOperationException("Unexpected method call!"); |
| } |
| } |
| } |