1 /* 2 * Copyright (C) 2018 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.internal.codegen; 18 19 import static dagger.spi.model.testing.BindingGraphSubject.assertThat; 20 21 import androidx.room.compiler.processing.util.Source; 22 import dagger.spi.model.BindingGraph; 23 import dagger.spi.model.BindingGraphPlugin; 24 import dagger.spi.model.DiagnosticReporter; 25 import dagger.testing.compile.CompilerTests; 26 import org.junit.Test; 27 import org.junit.runner.RunWith; 28 import org.junit.runners.JUnit4; 29 30 @RunWith(JUnit4.class) 31 public final class ModelTest { 32 33 @Test cycleTest()34 public void cycleTest() { 35 Source a = 36 CompilerTests.javaSource( 37 "test.A", 38 "package test;", 39 "", 40 "import javax.inject.Inject;", 41 "", 42 "final class A {", 43 " @Inject A(B b) {}", 44 "}"); 45 Source b = 46 CompilerTests.javaSource( 47 "test.B", 48 "package test;", 49 "", 50 "import javax.inject.Inject;", 51 "import javax.inject.Provider;", 52 "", 53 "final class B {", 54 " @Inject B(Provider<A> a) {}", 55 "}"); 56 Source component = 57 CompilerTests.javaSource( 58 "test.TestComponent", 59 "package test;", 60 "", 61 "import dagger.Component;", 62 "", 63 "@Component", 64 "interface TestComponent {", 65 " A a();", 66 "}"); 67 68 CompilerTests.daggerCompiler(a, b, component) 69 .withBindingGraphPlugins( 70 () -> new BindingGraphPlugin() { 71 @Override 72 public void visitGraph(BindingGraph graph, DiagnosticReporter reporter) { 73 assertThat(graph).bindingWithKey("test.A").dependsOnBindingWithKey("test.B"); 74 assertThat(graph).bindingWithKey("test.B").dependsOnBindingWithKey("test.A"); 75 } 76 }) 77 .compile(subject -> subject.hasErrorCount(0)); 78 } 79 } 80