xref: /aosp_15_r20/external/dagger2/javatests/dagger/functional/jakarta/SimpleJakartaTest.java (revision f585d8a307d0621d6060bd7e80091fdcbf94fe27)
1 /*
2  * Copyright (C) 2020 The Dagger Authors.
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  */
16 
17 package dagger.functional.jakarta;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import dagger.Binds;
22 import dagger.Component;
23 import dagger.Module;
24 import jakarta.inject.Inject;
25 import jakarta.inject.Qualifier;
26 import jakarta.inject.Scope;
27 import org.junit.Test;
28 import org.junit.runner.RunWith;
29 import org.junit.runners.JUnit4;
30 
31 @RunWith(JUnit4.class)
32 public final class SimpleJakartaTest {
33 
34   @Scope
35   public @interface TestScope {}
36 
37   @Qualifier
38   public @interface TestQualifier {}
39 
40   @TestScope
41   @Component(modules = TestModule.class)
42   interface TestComponent {
getQualifiedFoo()43     @TestQualifier Foo getQualifiedFoo();
44   }
45 
46   public static final class Foo {
Foo()47     @Inject Foo() {}
48   }
49 
50   @Module
51   interface TestModule {
52     // By binding this to itself, if the qualifier annotation isn't picked up, it will created a
53     // cycle.
54     @Binds
55     @TestScope
56     @TestQualifier
bind(Foo impl)57     Foo bind(Foo impl);
58   }
59 
60   @Test
testFooFactory()61   public void testFooFactory() {
62     TestComponent testComponent = DaggerSimpleJakartaTest_TestComponent.create();
63     Foo foo = testComponent.getQualifiedFoo();
64 
65     assertThat(foo).isSameInstanceAs(testComponent.getQualifiedFoo());
66   }
67 }
68