1 /* 2 * Copyright (C) 2014 Google, Inc. 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 package dagger.internal.codegen; 17 18 import com.google.common.collect.Iterables; 19 import com.google.testing.compile.CompilationRule; 20 import dagger.MembersInjector; 21 import dagger.internal.codegen.writer.ClassName; 22 import dagger.internal.codegen.writer.ParameterizedTypeName; 23 import dagger.internal.codegen.writer.TypeName; 24 import dagger.internal.codegen.writer.TypeNames; 25 import javax.inject.Inject; 26 import javax.inject.Provider; 27 import javax.lang.model.element.ExecutableElement; 28 import javax.lang.model.element.TypeElement; 29 import javax.lang.model.util.ElementFilter; 30 import javax.lang.model.util.Elements; 31 import javax.lang.model.util.Types; 32 import org.junit.Before; 33 import org.junit.Rule; 34 import org.junit.Test; 35 import org.junit.runner.RunWith; 36 import org.junit.runners.JUnit4; 37 38 import static com.google.common.truth.Truth.assertThat; 39 40 /** 41 * Test case for {@link FrameworkField}. 42 */ 43 @RunWith(JUnit4.class) 44 public class BindingFieldTest { 45 @Rule public CompilationRule compilationRule = new CompilationRule(); 46 47 private Elements elements; 48 private Types types; 49 private Key.Factory keyFactory; 50 setUp()51 @Before public void setUp() { 52 this.types = compilationRule.getTypes(); 53 this.elements = compilationRule.getElements(); 54 this.keyFactory = new Key.Factory(types, elements); 55 } 56 getXConstructor()57 private ExecutableElement getXConstructor() { 58 TypeElement classElement = elements.getTypeElement(X.class.getCanonicalName()); 59 return Iterables.getOnlyElement( 60 ElementFilter.constructorsIn(classElement.getEnclosedElements())); 61 } 62 frameworkType()63 @Test public void frameworkType() { 64 Key key = keyFactory.forInjectConstructorWithResolvedType( 65 getXConstructor().getEnclosingElement().asType()); 66 TypeName xClass = TypeNames.forTypeMirror(key.type()); 67 assertThat(FrameworkField.createWithTypeFromKey(Provider.class, 68 BindingKey.create(BindingKey.Kind.CONTRIBUTION, key), "test") 69 .frameworkType()) 70 .isEqualTo(ParameterizedTypeName.create( 71 ClassName.fromClass(Provider.class), xClass)); 72 assertThat(FrameworkField.createWithTypeFromKey(MembersInjector.class, 73 BindingKey.create(BindingKey.Kind.MEMBERS_INJECTION, key), "test") 74 .frameworkType()) 75 .isEqualTo(ParameterizedTypeName.create( 76 ClassName.fromClass(MembersInjector.class), xClass)); 77 } 78 nameSuffix()79 @Test public void nameSuffix() { 80 Key key = keyFactory.forInjectConstructorWithResolvedType( 81 getXConstructor().getEnclosingElement().asType()); 82 assertThat(FrameworkField.createWithTypeFromKey(Provider.class, 83 BindingKey.create(BindingKey.Kind.CONTRIBUTION, key), "foo").name()) 84 .isEqualTo("fooProvider"); 85 assertThat(FrameworkField.createWithTypeFromKey(Provider.class, 86 BindingKey.create(BindingKey.Kind.CONTRIBUTION, key), "fooProvider").name()) 87 .isEqualTo("fooProvider"); 88 89 } 90 91 static final class X { X()92 @Inject X() {} 93 } 94 } 95