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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* Copyright (C) 2012 Google Inc.
*
* 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.inject;
import junit.framework.TestCase;
/**
* Tests for {@link Binder#requireAtInjectOnConstructors()}
*
* @author sameb@google.com (Sam Berlin)
*/
public class RequireAtInjectOnConstructorsTest extends TestCase {
public void testNoCxtors_explicitBinding() {
try {
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
bind(NoCxtors.class);
binder().requireAtInjectOnConstructors();
}
});
fail();
} catch (CreationException ce) {
assertEquals(1, ce.getErrorMessages().size());
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$NoCxtors.",
"at RequireAtInjectOnConstructorsTest$1.configure");
}
}
public void testNoCxtors_jitBinding() {
Injector injector =
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
binder().requireAtInjectOnConstructors();
}
});
try {
injector.getInstance(NoCxtors.class);
fail();
} catch (ConfigurationException ce) {
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$NoCxtors.",
"while locating RequireAtInjectOnConstructorsTest$NoCxtors");
}
}
public void testNoCxtors_implicitBinding() {
try {
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
bind(Interface.class).to(NoCxtors.class);
binder().requireAtInjectOnConstructors();
}
});
fail();
} catch (CreationException ce) {
assertEquals(1, ce.getErrorMessages().size());
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$NoCxtors",
"at RequireAtInjectOnConstructorsTest$3.configure");
}
}
public void testNoCxtors_inheritedByPrivateModules() {
try {
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
binder().requireAtInjectOnConstructors();
install(
new PrivateModule() {
@Override
protected void configure() {
bind(NoCxtors.class);
}
});
}
});
fail();
} catch (CreationException ce) {
assertEquals(1, ce.getErrorMessages().size());
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$NoCxtors.",
"at RequireAtInjectOnConstructorsTest$4$1.configure");
}
}
public void testNoCxtors_accumulatesAllErrors() {
try {
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
bind(NoCxtors.class);
bind(AnotherNoCxtors.class);
binder().requireAtInjectOnConstructors();
}
});
fail();
} catch (CreationException ce) {
assertEquals(2, ce.getErrorMessages().size());
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$AnotherNoCxtors.",
"at RequireAtInjectOnConstructorsTest$5.configure",
"No injectable constructor for type RequireAtInjectOnConstructorsTest$NoCxtors.",
"at RequireAtInjectOnConstructorsTest$5.configure");
}
}
public void testNoCxtors_separateOptionsForPrivateModules() {
try {
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
bind(AnotherNoCxtors.class);
install(
new PrivateModule() {
@Override
protected void configure() {
binder().requireAtInjectOnConstructors();
bind(NoCxtors.class);
}
});
}
});
fail();
} catch (CreationException ce) {
// This is testing that the parent module doesn't fail because it isn't included
// in the error message.
assertEquals(1, ce.getErrorMessages().size());
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$NoCxtors.",
"Injector is configured to require @Inject constructors",
"at RequireAtInjectOnConstructorsTest$6$1.configure");
}
}
public void testManyConstructorsButNoneWithAtInject() {
try {
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
bind(ManyConstructors.class);
binder().requireAtInjectOnConstructors();
}
});
fail();
} catch (CreationException ce) {
assertEquals(1, ce.getErrorMessages().size());
Asserts.assertContains(
ce.getMessage(),
"No injectable constructor for type RequireAtInjectOnConstructorsTest$ManyConstructors.",
"at RequireAtInjectOnConstructorsTest$7.configure");
}
}
public void testRequireAtInjectStillAllowsToConstructorBindings() {
Injector injector =
Guice.createInjector(
new AbstractModule() {
@Override
protected void configure() {
try {
bind(ManyConstructors.class)
.toConstructor(ManyConstructors.class.getDeclaredConstructor());
} catch (Exception e) {
throw new RuntimeException(e);
}
binder().requireAtInjectOnConstructors();
}
});
injector.getInstance(ManyConstructors.class);
}
private static interface Interface {}
private static class NoCxtors implements Interface {}
private static class AnotherNoCxtors {}
private static class ManyConstructors {
@SuppressWarnings("unused")
ManyConstructors() {}
@SuppressWarnings("unused")
ManyConstructors(String a) {}
@SuppressWarnings("unused")
ManyConstructors(int a) {}
}
}
|
