xref: /aosp_15_r20/external/dagger2/javatests/dagger/internal/codegen/ModelTest.java (revision f585d8a307d0621d6060bd7e80091fdcbf94fe27)
1*f585d8a3SJacky Wang /*
2*f585d8a3SJacky Wang  * Copyright (C) 2018 The Dagger Authors.
3*f585d8a3SJacky Wang  *
4*f585d8a3SJacky Wang  * Licensed under the Apache License, Version 2.0 (the "License");
5*f585d8a3SJacky Wang  * you may not use this file except in compliance with the License.
6*f585d8a3SJacky Wang  * You may obtain a copy of the License at
7*f585d8a3SJacky Wang  *
8*f585d8a3SJacky Wang  * http://www.apache.org/licenses/LICENSE-2.0
9*f585d8a3SJacky Wang  *
10*f585d8a3SJacky Wang  * Unless required by applicable law or agreed to in writing, software
11*f585d8a3SJacky Wang  * distributed under the License is distributed on an "AS IS" BASIS,
12*f585d8a3SJacky Wang  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*f585d8a3SJacky Wang  * See the License for the specific language governing permissions and
14*f585d8a3SJacky Wang  * limitations under the License.
15*f585d8a3SJacky Wang  */
16*f585d8a3SJacky Wang 
17*f585d8a3SJacky Wang package dagger.internal.codegen;
18*f585d8a3SJacky Wang 
19*f585d8a3SJacky Wang import static dagger.spi.model.testing.BindingGraphSubject.assertThat;
20*f585d8a3SJacky Wang 
21*f585d8a3SJacky Wang import androidx.room.compiler.processing.util.Source;
22*f585d8a3SJacky Wang import dagger.spi.model.BindingGraph;
23*f585d8a3SJacky Wang import dagger.spi.model.BindingGraphPlugin;
24*f585d8a3SJacky Wang import dagger.spi.model.DiagnosticReporter;
25*f585d8a3SJacky Wang import dagger.testing.compile.CompilerTests;
26*f585d8a3SJacky Wang import org.junit.Test;
27*f585d8a3SJacky Wang import org.junit.runner.RunWith;
28*f585d8a3SJacky Wang import org.junit.runners.JUnit4;
29*f585d8a3SJacky Wang 
30*f585d8a3SJacky Wang @RunWith(JUnit4.class)
31*f585d8a3SJacky Wang public final class ModelTest {
32*f585d8a3SJacky Wang 
33*f585d8a3SJacky Wang   @Test
cycleTest()34*f585d8a3SJacky Wang   public void cycleTest() {
35*f585d8a3SJacky Wang     Source a =
36*f585d8a3SJacky Wang         CompilerTests.javaSource(
37*f585d8a3SJacky Wang             "test.A",
38*f585d8a3SJacky Wang             "package test;",
39*f585d8a3SJacky Wang             "",
40*f585d8a3SJacky Wang             "import javax.inject.Inject;",
41*f585d8a3SJacky Wang             "",
42*f585d8a3SJacky Wang             "final class A {",
43*f585d8a3SJacky Wang             "  @Inject A(B b) {}",
44*f585d8a3SJacky Wang             "}");
45*f585d8a3SJacky Wang     Source b =
46*f585d8a3SJacky Wang         CompilerTests.javaSource(
47*f585d8a3SJacky Wang             "test.B",
48*f585d8a3SJacky Wang             "package test;",
49*f585d8a3SJacky Wang             "",
50*f585d8a3SJacky Wang             "import javax.inject.Inject;",
51*f585d8a3SJacky Wang             "import javax.inject.Provider;",
52*f585d8a3SJacky Wang             "",
53*f585d8a3SJacky Wang             "final class B {",
54*f585d8a3SJacky Wang             "  @Inject B(Provider<A> a) {}",
55*f585d8a3SJacky Wang             "}");
56*f585d8a3SJacky Wang     Source component =
57*f585d8a3SJacky Wang         CompilerTests.javaSource(
58*f585d8a3SJacky Wang             "test.TestComponent",
59*f585d8a3SJacky Wang             "package test;",
60*f585d8a3SJacky Wang             "",
61*f585d8a3SJacky Wang             "import dagger.Component;",
62*f585d8a3SJacky Wang             "",
63*f585d8a3SJacky Wang             "@Component",
64*f585d8a3SJacky Wang             "interface TestComponent {",
65*f585d8a3SJacky Wang             "  A a();",
66*f585d8a3SJacky Wang             "}");
67*f585d8a3SJacky Wang 
68*f585d8a3SJacky Wang     CompilerTests.daggerCompiler(a, b, component)
69*f585d8a3SJacky Wang         .withBindingGraphPlugins(
70*f585d8a3SJacky Wang             () -> new BindingGraphPlugin() {
71*f585d8a3SJacky Wang               @Override
72*f585d8a3SJacky Wang               public void visitGraph(BindingGraph graph, DiagnosticReporter reporter) {
73*f585d8a3SJacky Wang                 assertThat(graph).bindingWithKey("test.A").dependsOnBindingWithKey("test.B");
74*f585d8a3SJacky Wang                 assertThat(graph).bindingWithKey("test.B").dependsOnBindingWithKey("test.A");
75*f585d8a3SJacky Wang               }
76*f585d8a3SJacky Wang             })
77*f585d8a3SJacky Wang         .compile(subject -> subject.hasErrorCount(0));
78*f585d8a3SJacky Wang   }
79*f585d8a3SJacky Wang }
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