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;
26 import java.lang.reflect.Method;
27 import org.junit.Before;
28 import org.junit.Test;
30 public class MethodExtractorTest {
32 private static final String VALUE = "the value";
33 private static final Integer INT_VALUE = 10;
36 private MethodExtractor ext;
39 public void setUp() throws Exception {
40 meth = MyClass.class.getMethod("getValue");
41 ext = new MethodExtractor(meth);
45 public void testExtract() throws Exception {
46 assertEquals(VALUE, ext.extract(new MyClass()));
49 assertEquals(VALUE, ext.extract(new MyClass()));
52 MyClass obj = new MyClass();
53 meth = MyClass.class.getMethod("getNullValue");
54 ext = new MethodExtractor(meth);
55 assertEquals(null, ext.extract(obj));
57 // different value type
58 meth = MyClass.class.getMethod("getIntValue");
59 ext = new MethodExtractor(meth);
60 assertEquals(INT_VALUE, ext.extract(new MyClass()));
64 public void testExtract_ArgEx() {
65 // pass it the wrong class type
66 assertNull(ext.extract(this));
70 public void testExtract_InvokeEx() throws Exception {
71 // invoke method that throws an exception
72 meth = MyClass.class.getMethod("throwException");
73 ext = new MethodExtractor(meth);
74 assertEquals(null, ext.extract(new MyClass()));
77 private static class MyClass {
79 @SuppressWarnings("unused")
80 public String getValue() {
84 @SuppressWarnings("unused")
85 public int getIntValue() {
89 @SuppressWarnings("unused")
90 public String getNullValue() {
94 @SuppressWarnings("unused")
95 public String throwException() {
96 throw new IllegalStateException("expected");