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/*
* Copyright (C) 2015 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.compilerWithOptions;
import static dagger.internal.codegen.GeneratedLines.GENERATED_CODE_ANNOTATIONS;
import static dagger.internal.codegen.binding.ComponentCreatorAnnotation.COMPONENT_FACTORY;
import static dagger.internal.codegen.binding.ErrorMessages.creatorMessagesFor;
import com.google.testing.compile.Compilation;
import com.google.testing.compile.JavaFileObjects;
import dagger.internal.codegen.binding.ErrorMessages;
import java.util.Collection;
import javax.tools.JavaFileObject;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
/** Tests for {@link dagger.Component.Factory} */
@RunWith(Parameterized.class)
public class ComponentFactoryTest {
@Parameters(name = "{0}")
public static Collection<Object[]> parameters() {
return CompilerMode.TEST_PARAMETERS;
}
private final CompilerMode compilerMode;
public ComponentFactoryTest(CompilerMode compilerMode) {
this.compilerMode = compilerMode;
}
private static final ErrorMessages.ComponentCreatorMessages MSGS =
creatorMessagesFor(COMPONENT_FACTORY);
@Test
public void testUsesParameterNames() {
JavaFileObject moduleFile =
JavaFileObjects.forSourceLines(
"test.TestModule",
"package test;",
"",
"import dagger.Module;",
"import dagger.Provides;",
"",
"@Module",
"final class TestModule {",
" @Provides String string() { return null; }",
"}");
JavaFileObject componentFile =
JavaFileObjects.forSourceLines(
"test.TestComponent",
"package test;",
"",
"import dagger.Component;",
"",
"@Component(modules = TestModule.class)",
"interface TestComponent {",
" String string();",
"",
" @Component.Factory",
" interface Factory {",
" TestComponent newTestComponent(TestModule mod);",
" }",
"}");
JavaFileObject generatedComponent =
JavaFileObjects.forSourceLines(
"test.DaggerTestComponent",
"package test;",
"",
"import dagger.internal.Preconditions;",
"",
GENERATED_CODE_ANNOTATIONS,
"final class DaggerTestComponent implements TestComponent {",
" private static final class Factory implements TestComponent.Factory {",
" @Override",
" public TestComponent newTestComponent(TestModule mod) {",
" Preconditions.checkNotNull(mod);",
" return new DaggerTestComponent(mod);",
" }",
" }",
"}");
Compilation compilation =
compilerWithOptions(compilerMode.javacopts()).compile(moduleFile, componentFile);
assertThat(compilation).succeeded();
assertThat(compilation)
.generatedSourceFile("test.DaggerTestComponent")
.containsElementsIn(generatedComponent);
}
@Test
public void testSetterMethodFails() {
JavaFileObject componentFile =
JavaFileObjects.forSourceLines(
"test.SimpleComponent",
"package test;",
"",
"import dagger.Component;",
"import javax.inject.Provider;",
"",
"@Component",
"abstract class SimpleComponent {",
" @Component.Factory",
" interface Factory {",
" SimpleComponent create();",
" Factory set(String s);",
" }",
"}");
Compilation compilation =
compilerWithOptions(compilerMode.javacopts()).compile(componentFile);
assertThat(compilation).failed();
assertThat(compilation)
.hadErrorContaining(String.format(MSGS.twoFactoryMethods(), "create()"))
.inFile(componentFile)
.onLineContaining("Factory set(String s);");
}
@Test
public void testInheritedSetterMethodFails() {
JavaFileObject componentFile =
JavaFileObjects.forSourceLines(
"test.SimpleComponent",
"package test;",
"",
"import dagger.Component;",
"import javax.inject.Provider;",
"",
"@Component",
"abstract class SimpleComponent {",
" interface Parent {",
" SimpleComponent create();",
" Parent set(String s);",
" }",
"",
" @Component.Factory",
" interface Factory extends Parent {}",
"}");
Compilation compilation =
compilerWithOptions(compilerMode.javacopts()).compile(componentFile);
assertThat(compilation).failed();
assertThat(compilation)
.hadErrorContaining(String.format(MSGS.twoFactoryMethods(), "create()"))
.inFile(componentFile)
.onLineContaining("interface Factory");
}
}
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