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1 /**
2  * Copyright (c) 2010-2020 Contributors to the openHAB project
3  *
4  * See the NOTICE file(s) distributed with this work for additional
5  * information.
6  *
7  * This program and the accompanying materials are made available under the
8  * terms of the Eclipse Public License 2.0 which is available at
9  * http://www.eclipse.org/legal/epl-2.0
10  *
11  * SPDX-License-Identifier: EPL-2.0
12  */
13 package org.openhab.binding.danfossairunit.internal;
14
15 import static org.junit.Assert.assertFalse;
16 import static org.junit.Assert.assertTrue;
17
18 import org.eclipse.jdt.annotation.NonNullByDefault;
19 import org.junit.Test;
20 import org.openhab.core.library.types.OnOffType;
21
22 /**
23  * @author Robert Bach - Initial contribution
24  */
25 @NonNullByDefault
26 public class ValueCacheTest {
27
28     @Test
29     public void updateValueNotInCache() {
30         ValueCache valueCache = new ValueCache(10000);
31         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
32     }
33
34     @Test
35     public void updateValueInCacheUnchangedWithinCacheDuration() {
36         ValueCache valueCache = new ValueCache(10000);
37         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
38         assertFalse(valueCache.updateValue("channel", OnOffType.ON));
39     }
40
41     @Test
42     public void updateValueInCacheChangedWithinCacheDuration() {
43         ValueCache valueCache = new ValueCache(10000);
44         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
45         assertTrue(valueCache.updateValue("channel", OnOffType.OFF));
46     }
47
48     @Test
49     public void updateValueInCacheUnchangedButCacheDurationExpired() throws InterruptedException {
50         ValueCache valueCache = new ValueCache(1);
51         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
52         Thread.sleep(2);
53         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
54     }
55
56     @Test
57     public void updateValueMultipleCacheUpdatesButNotReportedAsToUpdate() throws InterruptedException {
58         ValueCache valueCache = new ValueCache(60);
59         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
60         Thread.sleep(30);
61         assertFalse(valueCache.updateValue("channel", OnOffType.ON));
62         Thread.sleep(35);
63         assertTrue(valueCache.updateValue("channel", OnOffType.ON));
64     }
65 }