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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// Copyright (C) 2015 The Android Open Source Project
//
// 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.
package com.google.gerrit.extensions.registration;
import static com.google.common.truth.Truth.assertThat;
import static java.util.stream.Collectors.toSet;
import com.google.inject.Key;
import com.google.inject.Provider;
import com.google.inject.util.Providers;
import java.util.Iterator;
import org.junit.Test;
public class DynamicSetTest {
// In tests for {@link DynamicSet#contains(Object)}, be sure to avoid
// {@code assertThat(ds).contains(...) @} and
// {@code assertThat(ds).DoesNotContains(...) @} as (since
// {@link DynamicSet@} is not a {@link Collection@}) those boil down to
// iterating over the {@link DynamicSet@} and checking equality instead
// of calling {@link DynamicSet#contains(Object)}.
// To test for {@link DynamicSet#contains(Object)}, use
// {@code assertThat(ds.contains(...)).isTrue() @} and
// {@code assertThat(ds.contains(...)).isFalse() @} instead.
@Test
public void containsWithEmpty() throws Exception {
DynamicSet<Integer> ds = new DynamicSet<>();
assertThat(ds.contains(2)).isFalse(); // See above comment about ds.contains
}
@Test
public void containsTrueWithSingleElement() throws Exception {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("gerrit", 2);
assertThat(ds.contains(2)).isTrue(); // See above comment about ds.contains
}
@Test
public void containsFalseWithSingleElement() throws Exception {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("gerrit", 2);
assertThat(ds.contains(3)).isFalse(); // See above comment about ds.contains
}
@Test
public void containsTrueWithTwoElements() throws Exception {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("gerrit", 2);
ds.add("gerrit", 4);
assertThat(ds.contains(4)).isTrue(); // See above comment about ds.contains
}
@Test
public void containsFalseWithTwoElements() throws Exception {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("gerrit", 2);
ds.add("gerrit", 4);
assertThat(ds.contains(3)).isFalse(); // See above comment about ds.contains
}
@Test
public void containsDynamic() throws Exception {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("gerrit", 2);
Key<Integer> key = Key.get(Integer.class);
ReloadableRegistrationHandle<Integer> handle = ds.add("gerrit", key, Providers.of(4));
ds.add("gerrit", 6);
// At first, 4 is contained.
assertThat(ds.contains(4)).isTrue(); // See above comment about ds.contains
// Then we remove 4.
handle.remove();
// And now 4 should no longer be contained.
assertThat(ds.contains(4)).isFalse(); // See above comment about ds.contains
}
@Test
public void plugins() {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("foo", 1);
ds.add("bar", 2);
ds.add("bar", 3);
assertThat(ds.plugins()).containsExactly("bar", "foo").inOrder();
}
@Test
public void byPlugin() {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("foo", 1);
ds.add("bar", 2);
ds.add("bar", 3);
assertThat(ds.byPlugin("foo").stream().map(Provider::get).collect(toSet())).containsExactly(1);
assertThat(ds.byPlugin("bar").stream().map(Provider::get).collect(toSet()))
.containsExactly(2, 3);
}
@Test
public void entryIterator() {
DynamicSet<Integer> ds = new DynamicSet<>();
ds.add("foo", 1);
ds.add("bar", 2);
ds.add("bar", 3);
Iterator<Extension<Integer>> entryIterator = ds.entries().iterator();
Extension<Integer> next = entryIterator.next();
assertThat(next.getPluginName()).isEqualTo("foo");
assertThat(next.getProvider().get()).isEqualTo(1);
next = entryIterator.next();
assertThat(next.getPluginName()).isEqualTo("bar");
assertThat(next.getProvider().get()).isEqualTo(2);
next = entryIterator.next();
assertThat(next.getPluginName()).isEqualTo("bar");
assertThat(next.getProvider().get()).isEqualTo(3);
assertThat(entryIterator.hasNext()).isFalse();
}
}
|
