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.Field;
26 import org.junit.Before;
27 import org.junit.Test;
29 public class FieldExtractorTest {
31 private static final String VALUE = "the value";
32 private static final Integer INT_VALUE = 10;
35 private FieldExtractor ext;
38 public void setUp() throws Exception {
39 field = MyClass.class.getDeclaredField("value");
40 ext = new FieldExtractor(field);
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();
53 assertEquals(null, ext.extract(obj));
55 obj.value = VALUE + "X";
56 assertEquals(VALUE + "X", ext.extract(obj));
58 // different value type
59 field = MyClass.class.getDeclaredField("value2");
60 ext = new FieldExtractor(field);
61 assertEquals(INT_VALUE, ext.extract(new MyClass()));
65 public void testExtract_ArgEx() {
66 // pass it the wrong class type
67 assertNull(ext.extract(this));
70 private static class MyClass {
71 @SuppressWarnings("unused")
72 private String value = VALUE;
74 @SuppressWarnings("unused")
75 private int value2 = INT_VALUE;