2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.drools.pooling.extractor;
23 import static org.junit.Assert.assertEquals;
24 import static org.junit.Assert.assertNull;
25 import java.lang.reflect.Method;
26 import org.junit.Before;
27 import org.junit.Test;
29 public class MethodExtractorTest {
31 private static final String VALUE = "the value";
32 private static final Integer INT_VALUE = 10;
35 private MethodExtractor ext;
38 public void setUp() throws Exception {
39 meth = MyClass.class.getMethod("getValue");
40 ext = new MethodExtractor(meth);
44 public void testExtract() throws Exception {
45 assertEquals(VALUE, ext.extract(new MyClass()));
48 assertEquals(VALUE, ext.extract(new MyClass()));
51 MyClass obj = new MyClass();
52 meth = MyClass.class.getMethod("getNullValue");
53 ext = new MethodExtractor(meth);
54 assertEquals(null, ext.extract(obj));
56 // different value type
57 meth = MyClass.class.getMethod("getIntValue");
58 ext = new MethodExtractor(meth);
59 assertEquals(INT_VALUE, ext.extract(new MyClass()));
63 public void testExtract_ArgEx() {
64 // pass it the wrong class type
65 assertNull(ext.extract(this));
69 public void testExtract_InvokeEx() throws Exception {
70 // invoke method that throws an exception
71 meth = MyClass.class.getMethod("throwException");
72 ext = new MethodExtractor(meth);
73 assertEquals(null, ext.extract(new MyClass()));
76 private static class MyClass {
78 @SuppressWarnings("unused")
79 public String getValue() {
83 @SuppressWarnings("unused")
84 public int getIntValue() {
88 @SuppressWarnings("unused")
89 public String getNullValue() {
93 @SuppressWarnings("unused")
94 public String throwException() {
95 throw new IllegalStateException("expected");