/* * Copyright (C) 2018 The Dagger Authors. * * 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 dagger.internal.codegen; import static com.google.testing.compile.CompilationSubject.assertThat; import static dagger.internal.codegen.Compilers.daggerCompiler; import static dagger.internal.codegen.TestUtils.message; import com.google.testing.compile.Compilation; import com.google.testing.compile.JavaFileObjects; import javax.tools.JavaFileObject; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; @RunWith(JUnit4.class) public final class ConflictingEntryPointsTest { @Test public void covariantType() { JavaFileObject base1 = JavaFileObjects.forSourceLines( "test.Base1", // "package test;", "", "interface Base1 {", " Long foo();", "}"); JavaFileObject base2 = JavaFileObjects.forSourceLines( "test.Base2", // "package test;", "", "interface Base2 {", " Number foo();", "}"); JavaFileObject component = JavaFileObjects.forSourceLines( "test.TestComponent", "package test;", "", "import dagger.BindsInstance;", "import dagger.Component;", "", "@Component", "interface TestComponent extends Base1, Base2 {", "", " @Component.Builder", " interface Builder {", " @BindsInstance Builder foo(Long foo);", " @BindsInstance Builder foo(Number foo);", " TestComponent build();", " }", "}"); Compilation compilation = daggerCompiler().compile(base1, base2, component); assertThat(compilation).failed(); assertThat(compilation) .hadErrorContaining( message( "conflicting entry point declarations:", " Long test.Base1.foo()", " Number test.Base2.foo()")) .inFile(component) .onLineContaining("interface TestComponent "); } @Test public void covariantTypeFromGenericSupertypes() { JavaFileObject base1 = JavaFileObjects.forSourceLines( "test.Base1", // "package test;", "", "interface Base1 {", " T foo();", "}"); JavaFileObject base2 = JavaFileObjects.forSourceLines( "test.Base2", // "package test;", "", "interface Base2 {", " T foo();", "}"); JavaFileObject component = JavaFileObjects.forSourceLines( "test.TestComponent", "package test;", "", "import dagger.BindsInstance;", "import dagger.Component;", "", "@Component", "interface TestComponent extends Base1, Base2 {", "", " @Component.Builder", " interface Builder {", " @BindsInstance Builder foo(Long foo);", " @BindsInstance Builder foo(Number foo);", " TestComponent build();", " }", "}"); Compilation compilation = daggerCompiler().compile(base1, base2, component); assertThat(compilation).failed(); assertThat(compilation) .hadErrorContaining( message( "conflicting entry point declarations:", " Long test.Base1.foo()", " Number test.Base2.foo()")) .inFile(component) .onLineContaining("interface TestComponent "); } @Test public void differentQualifier() { JavaFileObject base1 = JavaFileObjects.forSourceLines( "test.Base1", // "package test;", "", "interface Base1 {", " Object foo();", "}"); JavaFileObject base2 = JavaFileObjects.forSourceLines( "test.Base2", // "package test;", "", "import javax.inject.Named;", "", "interface Base2 {", " @Named(\"foo\") Object foo();", "}"); JavaFileObject component = JavaFileObjects.forSourceLines( "test.TestComponent", "package test;", "", "import dagger.BindsInstance;", "import dagger.Component;", "import javax.inject.Named;", "", "@Component", "interface TestComponent extends Base1, Base2 {", "", " @Component.Builder", " interface Builder {", " @BindsInstance Builder foo(Object foo);", " @BindsInstance Builder namedFoo(@Named(\"foo\") Object foo);", " TestComponent build();", " }", "}"); Compilation compilation = daggerCompiler().compile(base1, base2, component); assertThat(compilation).failed(); assertThat(compilation) .hadErrorContaining( message( "conflicting entry point declarations:", " Object test.Base1.foo()", " @Named(\"foo\") Object test.Base2.foo()")) .inFile(component) .onLineContaining("interface TestComponent "); } @Test public void sameKey() { JavaFileObject base1 = JavaFileObjects.forSourceLines( "test.Base1", // "package test;", "", "interface Base1 {", " Object foo();", "}"); JavaFileObject base2 = JavaFileObjects.forSourceLines( "test.Base2", // "package test;", "", "interface Base2 {", " Object foo();", "}"); JavaFileObject component = JavaFileObjects.forSourceLines( "test.TestComponent", "package test;", "", "import dagger.BindsInstance;", "import dagger.Component;", "", "@Component", "interface TestComponent extends Base1, Base2 {", "", " @Component.Builder", " interface Builder {", " @BindsInstance Builder foo(Object foo);", " TestComponent build();", " }", "}"); Compilation compilation = daggerCompiler().compile(base1, base2, component); assertThat(compilation).succeeded(); } @Test public void sameQualifiedKey() { JavaFileObject base1 = JavaFileObjects.forSourceLines( "test.Base1", // "package test;", "", "import javax.inject.Named;", "", "interface Base1 {", " @Named(\"foo\") Object foo();", "}"); JavaFileObject base2 = JavaFileObjects.forSourceLines( "test.Base2", // "package test;", "", "import javax.inject.Named;", "", "interface Base2 {", " @Named(\"foo\") Object foo();", "}"); JavaFileObject component = JavaFileObjects.forSourceLines( "test.TestComponent", "package test;", "", "import dagger.BindsInstance;", "import dagger.Component;", "import javax.inject.Named;", "", "@Component", "interface TestComponent extends Base1, Base2 {", "", " @Component.Builder", " interface Builder {", " @BindsInstance Builder foo(@Named(\"foo\") Object foo);", " TestComponent build();", " }", "}"); Compilation compilation = daggerCompiler().compile(base1, base2, component); assertThat(compilation).succeeded(); } }