Ray Milkey | 33d9023 | 2014-11-04 10:49:00 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.net; |
Ray Milkey | 33d9023 | 2014-11-04 10:49:00 -0800 | [diff] [blame] | 17 | |
| 18 | import org.junit.Test; |
| 19 | |
| 20 | import static org.hamcrest.CoreMatchers.allOf; |
| 21 | import static org.hamcrest.CoreMatchers.containsString; |
| 22 | import static org.hamcrest.CoreMatchers.equalTo; |
| 23 | import static org.hamcrest.CoreMatchers.is; |
| 24 | import static org.hamcrest.CoreMatchers.not; |
| 25 | import static org.hamcrest.MatcherAssert.assertThat; |
| 26 | import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 27 | import static org.onosproject.net.DeviceId.deviceId; |
| 28 | import static org.onosproject.net.PortNumber.portNumber; |
Ray Milkey | 33d9023 | 2014-11-04 10:49:00 -0800 | [diff] [blame] | 29 | |
| 30 | /** |
| 31 | * Unit tests for the LinkKey class. |
| 32 | */ |
| 33 | public class LinkKeyTest { |
| 34 | |
| 35 | static final DeviceId D1 = deviceId("1"); |
| 36 | static final DeviceId D2 = deviceId("2"); |
| 37 | static final PortNumber P1 = portNumber(1); |
| 38 | static final PortNumber P2 = portNumber(2); |
| 39 | |
| 40 | static final ConnectPoint SRC1 = new ConnectPoint(D1, P1); |
| 41 | static final ConnectPoint DST1 = new ConnectPoint(D2, P1); |
| 42 | static final ConnectPoint DST2 = new ConnectPoint(D2, P2); |
| 43 | |
| 44 | |
| 45 | /** |
| 46 | * Checks that the LinkKey class is immutable. |
| 47 | */ |
| 48 | @Test |
| 49 | public void testLinkKeyImmutability() { |
| 50 | assertThatClassIsImmutable(LinkKey.class); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Check null source connection. |
| 55 | */ |
| 56 | @Test(expected = NullPointerException.class) |
| 57 | public void testNullSrc() { |
| 58 | LinkKey key = LinkKey.linkKey(null, DST1); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Check null destination connection. |
| 63 | */ |
| 64 | @Test(expected = NullPointerException.class) |
| 65 | public void testNullDst() { |
| 66 | LinkKey key = LinkKey.linkKey(SRC1, null); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Check that two LinkKeys based on the same source/destination pair compare |
| 71 | * equal. |
| 72 | */ |
| 73 | @Test |
| 74 | public void testCompareEquals() { |
| 75 | LinkKey k1 = LinkKey.linkKey(SRC1, DST2); |
| 76 | LinkKey k2 = LinkKey.linkKey(SRC1, DST2); |
| 77 | |
| 78 | assertThat(k1, is(equalTo(k2))); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Check that two LinkKeys based on different source/destination pairs compare |
| 83 | * not equal. |
| 84 | */ |
| 85 | @Test |
| 86 | public void testCompareNotEquals() { |
| 87 | LinkKey k1 = LinkKey.linkKey(SRC1, DST1); |
| 88 | LinkKey k2 = LinkKey.linkKey(SRC1, DST2); |
| 89 | |
| 90 | assertThat(k1, is(not(equalTo(k2)))); |
| 91 | assertThat(k1, is(not(equalTo(new Object())))); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Check that two LinkKeys based on the same source/destination pair compare |
| 96 | * equal. |
| 97 | */ |
| 98 | @Test |
| 99 | public void testHashCodeEquals() { |
| 100 | LinkKey k1 = LinkKey.linkKey(SRC1, DST2); |
| 101 | LinkKey k2 = LinkKey.linkKey(SRC1, DST2); |
| 102 | |
| 103 | assertThat(k1.hashCode(), is(equalTo(k2.hashCode()))); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Check that two LinkKeys based on different source/destination pairs compare |
| 108 | * not equal. |
| 109 | */ |
| 110 | @Test |
| 111 | public void testHashCodeNotEquals() { |
| 112 | LinkKey k1 = LinkKey.linkKey(SRC1, DST1); |
| 113 | LinkKey k2 = LinkKey.linkKey(SRC1, DST2); |
| 114 | |
| 115 | assertThat(k1.hashCode(), is(not(equalTo(k2.hashCode())))); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Check the toString() method of LinkKey. |
| 120 | */ |
| 121 | @Test |
| 122 | public void testToString() { |
| 123 | LinkKey k1 = LinkKey.linkKey(SRC1, DST1); |
| 124 | String k1String = k1.toString(); |
| 125 | assertThat(k1String, allOf(containsString("LinkKey{"), |
| 126 | containsString("src=ConnectPoint{elementId=1, portNumber=1}"), |
| 127 | containsString("dst=ConnectPoint{elementId=2, portNumber=1}"))); |
| 128 | } |
| 129 | } |