1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.proxy2.interceptor;
19
20 import static org.junit.Assert.assertEquals;
21 import static org.junit.Assert.assertNotNull;
22
23 import java.lang.reflect.Method;
24
25 import org.apache.commons.proxy2.Invocation;
26 import org.apache.commons.proxy2.Invoker;
27 import org.apache.commons.proxy2.util.AbstractTestCase;
28 import org.apache.commons.proxy2.util.Echo;
29 import org.junit.Test;
30
31 public class InvokerInterceptorTest extends AbstractTestCase
32 {
33 // ----------------------------------------------------------------------------------------------------------------------
34 // Other Methods
35 // ----------------------------------------------------------------------------------------------------------------------
36
37 @Test
38 public void testIntercept() throws Throwable
39 {
40 final InvokerInterceptor interceptor = new InvokerInterceptor(new Invoker()
41 {
42 private static final long serialVersionUID = 1L;
43
44 @Override
45 public Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable
46 {
47 return "Hello!";
48 }
49 });
50 final Invocation invocation = new MockInvocationBuilder(Echo.class.getDeclaredMethod("echoBack", String.class))
51 .withArguments("foo").build();
52
53 assertEquals("Hello!", interceptor.intercept(invocation));
54 }
55
56 @Test(expected = NullPointerException.class)
57 public void testWithNullInvoker()
58 {
59 assertNotNull(new InvokerInterceptor(null)); // assert is used to avoid not used warning
60 }
61 }