Moved tests over from testsuite to beans
This commit is contained in:
Arjen Poutsma
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/*
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* Copyright 2002-2008 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.beans.factory.config;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import junit.framework.TestCase;
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import org.springframework.beans.propertyeditors.StringTrimmerEditor;
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import org.springframework.beans.support.ArgumentConvertingMethodInvoker;
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import org.springframework.util.MethodInvoker;
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/**
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* @author Colin Sampaleanu
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* @author Juergen Hoeller
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* @since 21.11.2003
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*/
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public class MethodInvokingFactoryBeanTests extends TestCase {
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public void testParameterValidation() throws Exception {
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String validationError = "improper validation of input properties";
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// assert that only static OR non static are set, but not both or none
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MethodInvokingFactoryBean mcfb = new MethodInvokingFactoryBean();
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try {
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mcfb.afterPropertiesSet();
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fail(validationError);
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}
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catch (IllegalArgumentException ex) {
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// expected
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}
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(this);
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mcfb.setTargetMethod("whatever");
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try {
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mcfb.afterPropertiesSet();
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fail(validationError);
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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// bogus static method
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("some.bogus.Method.name");
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try {
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mcfb.afterPropertiesSet();
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fail(validationError);
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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// bogus static method
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("method1");
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try {
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mcfb.afterPropertiesSet();
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fail(validationError);
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}
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catch (IllegalArgumentException ex) {
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// expected
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}
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// missing method
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(this);
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try {
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mcfb.afterPropertiesSet();
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fail(validationError);
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}
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catch (IllegalArgumentException ex) {
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// expected
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}
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// bogus method
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(this);
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mcfb.setTargetMethod("bogus");
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try {
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mcfb.afterPropertiesSet();
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fail(validationError);
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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// static method
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TestClass1._staticField1 = 0;
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("staticMethod1");
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mcfb.afterPropertiesSet();
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// non-static method
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TestClass1 tc1 = new TestClass1();
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(tc1);
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mcfb.setTargetMethod("method1");
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mcfb.afterPropertiesSet();
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}
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public void testGetObjectType() throws Exception {
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TestClass1 tc1 = new TestClass1();
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MethodInvokingFactoryBean mcfb = new MethodInvokingFactoryBean();
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(tc1);
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mcfb.setTargetMethod("method1");
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mcfb.afterPropertiesSet();
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assertTrue(int.class.equals(mcfb.getObjectType()));
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("voidRetvalMethod");
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mcfb.afterPropertiesSet();
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Class objType = mcfb.getObjectType();
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assertTrue(objType.equals(void.class));
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// verify that we can call a method with args that are subtypes of the
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// target method arg types
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TestClass1._staticField1 = 0;
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes");
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mcfb.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello"});
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mcfb.afterPropertiesSet();
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mcfb.getObjectType();
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// fail on improper argument types at afterPropertiesSet
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mcfb = new MethodInvokingFactoryBean();
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mcfb.registerCustomEditor(String.class, new StringTrimmerEditor(false));
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes");
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mcfb.setArguments(new Object[] {"1", new Object()});
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try {
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mcfb.afterPropertiesSet();
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fail("Should have thrown NoSuchMethodException");
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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}
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public void testGetObject() throws Exception {
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// singleton, non-static
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TestClass1 tc1 = new TestClass1();
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MethodInvokingFactoryBean mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(tc1);
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mcfb.setTargetMethod("method1");
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mcfb.afterPropertiesSet();
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Integer i = (Integer) mcfb.getObject();
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assertEquals(1, i.intValue());
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i = (Integer) mcfb.getObject();
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assertEquals(1, i.intValue());
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// non-singleton, non-static
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tc1 = new TestClass1();
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetObject(tc1);
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mcfb.setTargetMethod("method1");
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mcfb.setSingleton(false);
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mcfb.afterPropertiesSet();
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i = (Integer) mcfb.getObject();
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assertEquals(1, i.intValue());
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i = (Integer) mcfb.getObject();
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assertEquals(2, i.intValue());
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// singleton, static
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TestClass1._staticField1 = 0;
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("staticMethod1");
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mcfb.afterPropertiesSet();
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i = (Integer) mcfb.getObject();
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assertEquals(1, i.intValue());
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i = (Integer) mcfb.getObject();
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assertEquals(1, i.intValue());
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// non-singleton, static
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TestClass1._staticField1 = 0;
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setStaticMethod("org.springframework.beans.factory.config.MethodInvokingFactoryBeanTests$TestClass1.staticMethod1");
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mcfb.setSingleton(false);
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mcfb.afterPropertiesSet();
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i = (Integer) mcfb.getObject();
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assertEquals(1, i.intValue());
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i = (Integer) mcfb.getObject();
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assertEquals(2, i.intValue());
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// void return value
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("voidRetvalMethod");
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mcfb.afterPropertiesSet();
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assertNull(mcfb.getObject());
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// now see if we can match methods with arguments that have supertype arguments
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes");
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mcfb.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello"});
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// should pass
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mcfb.afterPropertiesSet();
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}
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public void testArgumentConversion() throws Exception {
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MethodInvokingFactoryBean mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes");
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mcfb.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello", "bogus"});
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try {
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mcfb.afterPropertiesSet();
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fail("Matched method with wrong number of args");
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes");
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mcfb.setArguments(new Object[] {new Integer(1), new Object()});
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try {
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mcfb.afterPropertiesSet();
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mcfb.getObject();
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fail("Should have failed on getObject with mismatched argument types");
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes2");
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mcfb.setArguments(new Object[] {new ArrayList(), new ArrayList(), "hello", "bogus"});
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mcfb.afterPropertiesSet();
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assertEquals("hello", mcfb.getObject());
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mcfb = new MethodInvokingFactoryBean();
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mcfb.setTargetClass(TestClass1.class);
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mcfb.setTargetMethod("supertypes2");
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mcfb.setArguments(new Object[] {new ArrayList(), new ArrayList(), new Object()});
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try {
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mcfb.afterPropertiesSet();
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fail("Matched method when shouldn't have matched");
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}
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catch (NoSuchMethodException ex) {
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// expected
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}
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}
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public void testInvokeWithNullArgument() throws Exception {
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("nullArgument");
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methodInvoker.setArguments(new Object[] {null});
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methodInvoker.prepare();
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methodInvoker.invoke();
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}
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public void testInvokeWithIntArgument() throws Exception {
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ArgumentConvertingMethodInvoker methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArgument");
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methodInvoker.setArguments(new Object[] {new Integer(5)});
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methodInvoker.prepare();
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methodInvoker.invoke();
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methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArgument");
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methodInvoker.setArguments(new Object[] {"5"});
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methodInvoker.prepare();
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methodInvoker.invoke();
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}
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public void testInvokeWithIntArguments() throws Exception {
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ArgumentConvertingMethodInvoker methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArguments");
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methodInvoker.setArguments(new Object[] {new Integer[] {new Integer(5), new Integer(10)}});
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methodInvoker.prepare();
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methodInvoker.invoke();
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methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArguments");
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methodInvoker.setArguments(new Object[] {new String[] {"5", "10"}});
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methodInvoker.prepare();
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methodInvoker.invoke();
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methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArguments");
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methodInvoker.setArguments(new Integer[] {new Integer(5), new Integer(10)});
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methodInvoker.prepare();
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methodInvoker.invoke();
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methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArguments");
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methodInvoker.setArguments(new String[] {"5", "10"});
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methodInvoker.prepare();
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methodInvoker.invoke();
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methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArguments");
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methodInvoker.setArguments(new Object[] {new Integer(5), new Integer(10)});
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methodInvoker.prepare();
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methodInvoker.invoke();
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methodInvoker = new ArgumentConvertingMethodInvoker();
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methodInvoker.setTargetClass(TestClass1.class);
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methodInvoker.setTargetMethod("intArguments");
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methodInvoker.setArguments(new Object[] {"5", "10"});
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methodInvoker.prepare();
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methodInvoker.invoke();
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}
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public static class TestClass1 {
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public static int _staticField1;
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public int _field1 = 0;
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public int method1() {
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return ++_field1;
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}
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public static int staticMethod1() {
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return ++TestClass1._staticField1;
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}
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public static void voidRetvalMethod() {
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}
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public static void nullArgument(Object arg) {
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}
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public static void intArgument(int arg) {
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}
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public static void intArguments(int[] arg) {
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}
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public static String supertypes(Collection c, Integer i) {
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return i.toString();
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}
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public static String supertypes(Collection c, List l, String s) {
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return s;
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}
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public static String supertypes2(Collection c, List l, Integer i) {
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return i.toString();
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}
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public static String supertypes2(Collection c, List l, String s, Integer i) {
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return s;
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}
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public static String supertypes2(Collection c, List l, String s, String s2) {
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return s;
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}
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}
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}
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