292 lines
10 KiB
Java
292 lines
10 KiB
Java
/*
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* Copyright (C) 2021 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.internal.codegen.bindinggraphvalidation;
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import static com.google.testing.compile.CompilationSubject.assertThat;
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import static dagger.internal.codegen.Compilers.daggerCompiler;
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import com.google.testing.compile.Compilation;
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import com.google.testing.compile.JavaFileObjects;
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import javax.tools.JavaFileObject;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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@RunWith(JUnit4.class)
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public class SetMultibindingValidationTest {
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private static final JavaFileObject FOO =
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JavaFileObjects.forSourceLines(
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"test.Foo",
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"package test;",
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"",
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"public interface Foo {}");
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private static final JavaFileObject FOO_IMPL =
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JavaFileObjects.forSourceLines(
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"test.FooImpl",
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"package test;",
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"",
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"import javax.inject.Inject;",
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"",
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"public final class FooImpl implements Foo {",
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" @Inject FooImpl() {}",
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"}");
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@Test public void testMultipleSetBindingsToSameFoo() {
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JavaFileObject module = JavaFileObjects.forSourceLines("test.TestModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.multibindings.IntoSet;",
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"import javax.inject.Inject;",
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"",
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"@dagger.Module",
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"interface TestModule {",
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" @Binds @IntoSet Foo bindFoo(FooImpl impl);",
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"",
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" @Binds @IntoSet Foo bindFooAgain(FooImpl impl);",
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"}");
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JavaFileObject component = JavaFileObjects.forSourceLines("test.TestComponent",
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"package test;",
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"",
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"import dagger.Component;",
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"import java.util.Set;",
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"",
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"@Component(modules = TestModule.class)",
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"interface TestComponent {",
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" Set<Foo> setOfFoo();",
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"}");
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Compilation compilation = daggerCompiler().compile(FOO, FOO_IMPL, module, component);
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assertThat(compilation).failed();
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assertThat(compilation)
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.hadErrorContaining(
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"Multiple set contributions into Set<Foo> for the same contribution key: FooImpl");
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}
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@Test public void testMultipleSetBindingsToSameFooThroughMultipleBinds() {
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JavaFileObject module = JavaFileObjects.forSourceLines("test.TestModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.multibindings.IntoSet;",
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"import javax.inject.Inject;",
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"",
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"@dagger.Module",
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"interface TestModule {",
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" @Binds @IntoSet Object bindObject(FooImpl impl);",
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"",
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" @Binds @IntoSet Object bindObjectAgain(Foo impl);",
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"",
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" @Binds Foo bindFoo(FooImpl impl);",
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"}");
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JavaFileObject component = JavaFileObjects.forSourceLines("test.TestComponent",
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"package test;",
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"",
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"import dagger.Component;",
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"import java.util.Set;",
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"",
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"@Component(modules = TestModule.class)",
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"interface TestComponent {",
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" Set<Object> setOfObject();",
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"}");
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Compilation compilation = daggerCompiler().compile(FOO, FOO_IMPL, module, component);
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assertThat(compilation).failed();
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assertThat(compilation)
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.hadErrorContaining(
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"Multiple set contributions into Set<Object> for the same contribution key: FooImpl");
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}
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@Test public void testMultipleSetBindingsViaElementsIntoSet() {
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JavaFileObject module = JavaFileObjects.forSourceLines("test.TestModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.Provides;",
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"import dagger.multibindings.ElementsIntoSet;",
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"import java.util.HashSet;",
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"import java.util.Set;",
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"import javax.inject.Inject;",
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"import javax.inject.Qualifier;",
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"",
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"@dagger.Module",
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"interface TestModule {",
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"",
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" @Qualifier",
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" @interface Internal {}",
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"",
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" @Provides @Internal static Set<Foo> provideSet() { return new HashSet<>(); }",
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"",
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" @Binds @ElementsIntoSet Set<Foo> bindSet(@Internal Set<Foo> fooSet);",
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"",
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" @Binds @ElementsIntoSet Set<Foo> bindSetAgain(@Internal Set<Foo> fooSet);",
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"}");
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JavaFileObject component = JavaFileObjects.forSourceLines("test.TestComponent",
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"package test;",
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"",
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"import dagger.Component;",
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"import java.util.Set;",
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"",
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"@Component(modules = TestModule.class)",
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"interface TestComponent {",
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" Set<Foo> setOfFoo();",
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"}");
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Compilation compilation = daggerCompiler().compile(FOO, module, component);
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assertThat(compilation).failed();
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assertThat(compilation)
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.hadErrorContaining(
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"Multiple set contributions into Set<Foo> for the same contribution key: "
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+ "@TestModule.Internal Set<Foo>");
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}
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@Test public void testMultipleSetBindingsToSameFooSubcomponents() {
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JavaFileObject parentModule = JavaFileObjects.forSourceLines("test.ParentModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.multibindings.IntoSet;",
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"import javax.inject.Inject;",
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"",
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"@dagger.Module",
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"interface ParentModule {",
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" @Binds @IntoSet Foo bindFoo(FooImpl impl);",
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"}");
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JavaFileObject childModule = JavaFileObjects.forSourceLines("test.ChildModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.multibindings.IntoSet;",
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"import javax.inject.Inject;",
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"",
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"@dagger.Module",
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"interface ChildModule {",
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" @Binds @IntoSet Foo bindFoo(FooImpl impl);",
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"}");
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JavaFileObject parentComponent = JavaFileObjects.forSourceLines("test.ParentComponent",
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"package test;",
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"",
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"import dagger.Component;",
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"import java.util.Set;",
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"",
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"@Component(modules = ParentModule.class)",
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"interface ParentComponent {",
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" Set<Foo> setOfFoo();",
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" ChildComponent child();",
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"}");
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JavaFileObject childComponent = JavaFileObjects.forSourceLines("test.ChildComponent",
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"package test;",
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"",
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"import dagger.Subcomponent;",
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"import java.util.Set;",
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"",
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"@Subcomponent(modules = ChildModule.class)",
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"interface ChildComponent {",
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" Set<Foo> setOfFoo();",
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"}");
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Compilation compilation = daggerCompiler().compile(
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FOO, FOO_IMPL, parentModule, childModule, parentComponent, childComponent);
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assertThat(compilation).failed();
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assertThat(compilation)
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.hadErrorContaining(
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"Multiple set contributions into Set<Foo> for the same contribution key: FooImpl");
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assertThat(compilation)
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.hadErrorContaining(
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"ParentComponent → ChildComponent");
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}
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@Test public void testMultipleSetBindingsToSameKeyButDifferentBindings() {
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// Use an impl with local multibindings to create different bindings. We still want this to fail
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// even though there are separate bindings because it is likely an unintentional error anyway.
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JavaFileObject fooImplWithMult = JavaFileObjects.forSourceLines("test.FooImplWithMult",
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"package test;",
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"",
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"import java.util.Set;",
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"import javax.inject.Inject;",
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"",
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"public final class FooImplWithMult implements Foo {",
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" @Inject FooImplWithMult(Set<Long> longSet) {}",
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"}");
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// Scoping the @Binds is necessary to ensure it goes to different bindings
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JavaFileObject parentModule = JavaFileObjects.forSourceLines("test.ParentModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.Provides;",
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"import dagger.multibindings.IntoSet;",
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"import javax.inject.Inject;",
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"import javax.inject.Singleton;",
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"",
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"@dagger.Module",
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"interface ParentModule {",
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" @Singleton",
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" @Binds @IntoSet Foo bindFoo(FooImplWithMult impl);",
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"",
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" @Provides @IntoSet static Long provideLong() {",
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" return 0L;",
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" }",
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"}");
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JavaFileObject childModule = JavaFileObjects.forSourceLines("test.ChildModule",
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"package test;",
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"",
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"import dagger.Binds;",
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"import dagger.Provides;",
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"import dagger.multibindings.IntoSet;",
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"import javax.inject.Inject;",
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"",
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"@dagger.Module",
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"interface ChildModule {",
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" @Binds @IntoSet Foo bindFoo(FooImplWithMult impl);",
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"",
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" @Provides @IntoSet static Long provideLong() {",
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" return 1L;",
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" }",
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"}");
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JavaFileObject parentComponent = JavaFileObjects.forSourceLines("test.ParentComponent",
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"package test;",
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"",
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"import dagger.Component;",
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"import java.util.Set;",
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"import javax.inject.Singleton;",
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"",
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"@Singleton",
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"@Component(modules = ParentModule.class)",
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"interface ParentComponent {",
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" Set<Foo> setOfFoo();",
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" ChildComponent child();",
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"}");
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JavaFileObject childComponent = JavaFileObjects.forSourceLines("test.ChildComponent",
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"package test;",
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"",
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"import dagger.Subcomponent;",
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"import java.util.Set;",
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"",
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"@Subcomponent(modules = ChildModule.class)",
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"interface ChildComponent {",
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" Set<Foo> setOfFoo();",
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"}");
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Compilation compilation = daggerCompiler().compile(
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FOO, fooImplWithMult, parentModule, childModule, parentComponent, childComponent);
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assertThat(compilation).failed();
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assertThat(compilation)
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.hadErrorContaining(
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"Multiple set contributions into Set<Foo> for the same contribution key: "
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+ "FooImplWithMult");
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assertThat(compilation)
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.hadErrorContaining(
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"ParentComponent → ChildComponent");
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}
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}
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