/*
* Copyright 2004-2012 the original author or authors.
*
* 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.springframework.binding.method;
import junit.framework.TestCase;
import org.springframework.binding.expression.support.StaticExpression;
/**
* Unit tests for {@link org.springframework.binding.method.MethodInvoker}.
*
* @author Erwin Vervaet
* @author Jeremy Grelle
*/
public class MethodInvokerTests extends TestCase {
private MethodInvoker methodInvoker;
protected void setUp() throws Exception {
this.methodInvoker = new MethodInvoker();
}
public void testInvocationTargetException() {
try {
methodInvoker.invoke(new MethodSignature("test"), new TestObject(), null);
fail();
} catch (MethodInvocationException e) {
assertTrue(e.getTargetException() instanceof IllegalArgumentException);
assertEquals("just testing", e.getTargetException().getMessage());
}
}
public void testInvalidMethod() {
try {
methodInvoker.invoke(new MethodSignature("bogus"), new TestObject(), null);
fail();
} catch (MethodInvocationException e) {
assertTrue(e.getTargetException() instanceof InvalidMethodKeyException);
}
}
public void testBeanArg() {
Parameters parameters = new Parameters();
Bean bean = new Bean();
parameters.add(new Parameter(Bean.class, new StaticExpression(bean)));
MethodSignature method = new MethodSignature("testBeanArg", parameters);
assertSame(bean, methodInvoker.invoke(method, new TestObject(), null));
}
public void testPrimitiveArg() {
Parameters parameters = new Parameters();
parameters.add(new Parameter(Boolean.class, new StaticExpression(true)));
MethodSignature method = new MethodSignature("testPrimitiveArg", parameters);
assertEquals(Boolean.TRUE, methodInvoker.invoke(method, new TestObject(), null));
}
static class TestObject {
public void test() {
throw new IllegalArgumentException("just testing");
}
public Object testBeanArg(Bean bean) {
return bean;
}
public boolean testPrimitiveArg(boolean primitive) {
return primitive;
}
}
static class Bean {
String value;
}
}