1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*-
* ============LICENSE_START=======================================================
* ONAP-Logging
* ================================================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.logging.flexlogger;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;
import java.util.Set;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.common.logging.flexlogger.PropertyUtil.Listener;
public class PropertyUtilTest {
private static final File FILE = new File("target/test.properties");
private TestListener testListener = new TestListener();
@Before
public void setUp() throws IOException{
FileOutputStream fileOutputStream = new FileOutputStream(FILE);
Properties properties = new Properties();
properties.put("testProperty", "testValue");
properties.store(fileOutputStream, "");
fileOutputStream.close();
}
@After
public void tearDown() throws IOException{
PropertyUtil.stopListening(FILE, testListener);
FILE.delete();
}
@Test
public void testGetProperties() throws IOException{
FileOutputStream fileOutputStream = new FileOutputStream(FILE);
Properties properties = new Properties();
properties.put("testProperty", "testValue");
properties.store(fileOutputStream, "");
fileOutputStream.close();
Properties readProperties = PropertyUtil.getProperties(FILE, testListener);
assertEquals("testValue", readProperties.getProperty("testProperty"));
}
@Test
public void testPropertiesChanged() throws IOException, InterruptedException{
PropertyUtil.getProperties(FILE, testListener);
FileOutputStream fileOutputStream = new FileOutputStream(FILE);
Properties newProperties = new Properties();
newProperties.put("testProperty", "testValueNew");
newProperties.store(fileOutputStream, "");
assertTrue(testListener.isPropertiesChangedInvoked());
}
@Test
public void testStopListening() throws IOException{
FileOutputStream fileOutputStream = new FileOutputStream(FILE);
Properties properties = new Properties();
properties.put("testProperty", "testValue");
properties.store(fileOutputStream, "");
Properties readProperties = PropertyUtil.getProperties(FILE, testListener);
assertEquals("testValue", readProperties.getProperty("testProperty"));
PropertyUtil.stopListening(FILE, testListener);
properties.put("testProperty", "testValueNew");
properties.store(fileOutputStream, "");
fileOutputStream.close();
readProperties = PropertyUtil.getProperties(FILE, testListener);
// If stopListening did not remove the listener, the properties file will not be re-read until poll expires and
// hence "testValue" will be returned here instead of "testNewValue"
assertEquals("testValueNew", readProperties.getProperty("testProperty"));
}
private class TestListener implements Listener {
boolean propertiesChangedInvoked = false;
@Override
public void propertiesChanged(Properties properties, Set<String> changedKeys) {
propertiesChangedInvoked = true;
}
public boolean isPropertiesChangedInvoked() throws InterruptedException{
for (int i =0; i<20; i++){
if (propertiesChangedInvoked){
return true;
}
Thread.sleep(1000);
}
return false;
}
}
}
|
