| /* |
| * Copyright (C) 2020 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.CompilerMode.DEFAULT_MODE; |
| import static dagger.internal.codegen.CompilerMode.FAST_INIT_MODE; |
| import static dagger.internal.codegen.Compilers.compilerWithOptions; |
| |
| import com.google.common.collect.ImmutableCollection; |
| 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.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class AssistedFactoryTest { |
| @Parameters(name = "{0}") |
| public static ImmutableCollection<Object[]> parameters() { |
| return CompilerMode.TEST_PARAMETERS; |
| } |
| |
| private final CompilerMode compilerMode; |
| |
| public AssistedFactoryTest(CompilerMode compilerMode) { |
| this.compilerMode = compilerMode; |
| } |
| |
| @Test |
| public void testAssistedFactory() { |
| JavaFileObject foo = |
| JavaFileObjects.forSourceLines( |
| "test.Foo", |
| "package test;", |
| "", |
| "import dagger.assisted.Assisted;", |
| "import dagger.assisted.AssistedInject;", |
| "", |
| "class Foo {", |
| " @AssistedInject", |
| " Foo(@Assisted String str, Bar bar) {}", |
| "}"); |
| JavaFileObject fooFactory = |
| JavaFileObjects.forSourceLines( |
| "test.FooFactory", |
| "package test;", |
| "", |
| "import dagger.assisted.AssistedFactory;", |
| "", |
| "@AssistedFactory", |
| "interface FooFactory {", |
| " Foo create(String factoryStr);", |
| "}"); |
| JavaFileObject bar = |
| JavaFileObjects.forSourceLines( |
| "test.Bar", |
| "package test;", |
| "", |
| "import javax.inject.Inject;", |
| "", |
| "class Bar {", |
| " @Inject Bar() {}", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "", |
| "@Component", |
| "interface TestComponent {", |
| " FooFactory fooFactory();", |
| "}"); |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()).compile(foo, bar, fooFactory, component); |
| assertThat(compilation).succeeded(); |
| JavaFileObject generatedComponent = |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines("package test;", "", GeneratedLines.generatedAnnotations()) |
| .addLinesIn( |
| FAST_INIT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| " private final DaggerTestComponent testComponent = this;", |
| " private Provider<FooFactory> fooFactoryProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooFactoryProvider = SingleCheck.provider(new" |
| + " SwitchingProvider<FooFactory>(testComponent, 0));", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory fooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "", |
| " private static final class SwitchingProvider<T> implements Provider<T> {", |
| " private final DaggerTestComponent testComponent;", |
| " private final int id;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0:", |
| " return (T) new FooFactory() {", |
| " @Override", |
| " public Foo create(String str) {", |
| " return new Foo(str, new Bar());", |
| " }", |
| " };", |
| "", |
| " default: throw new AssertionError(id);", |
| " }", |
| " }", |
| " }", |
| "}") |
| .addLinesIn( |
| DEFAULT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| "", |
| " private Foo_Factory fooProvider;", |
| "", |
| " private Provider<FooFactory> fooFactoryProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooProvider = Foo_Factory.create(Bar_Factory.create());", |
| " this.fooFactoryProvider = FooFactory_Impl.create(fooProvider);", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory fooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "}") |
| .build(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn(generatedComponent); |
| } |
| |
| @Test |
| public void testAssistedFactoryCycle() { |
| JavaFileObject foo = |
| JavaFileObjects.forSourceLines( |
| "test.Foo", |
| "package test;", |
| "", |
| "import dagger.assisted.Assisted;", |
| "import dagger.assisted.AssistedInject;", |
| "", |
| "class Foo {", |
| " @AssistedInject", |
| " Foo(@Assisted String str, Bar bar) {}", |
| "}"); |
| JavaFileObject fooFactory = |
| JavaFileObjects.forSourceLines( |
| "test.FooFactory", |
| "package test;", |
| "", |
| "import dagger.assisted.AssistedFactory;", |
| "", |
| "@AssistedFactory", |
| "interface FooFactory {", |
| " Foo create(String factoryStr);", |
| "}"); |
| JavaFileObject bar = |
| JavaFileObjects.forSourceLines( |
| "test.Bar", |
| "package test;", |
| "", |
| "import javax.inject.Inject;", |
| "", |
| "class Bar {", |
| " @Inject Bar(FooFactory fooFactory) {}", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "", |
| "@Component", |
| "interface TestComponent {", |
| " FooFactory fooFactory();", |
| "}"); |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()).compile(foo, bar, fooFactory, component); |
| assertThat(compilation).succeeded(); |
| JavaFileObject generatedComponent = |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines("package test;", "", GeneratedLines.generatedAnnotations()) |
| .addLinesIn( |
| FAST_INIT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| " private final DaggerTestComponent testComponent = this;", |
| " private Provider<FooFactory> fooFactoryProvider;", |
| "", |
| " private Bar bar() {", |
| " return new Bar(fooFactoryProvider.get());", |
| " }", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooFactoryProvider = SingleCheck.provider(new" |
| + " SwitchingProvider<FooFactory>(testComponent, 0));", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory fooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "", |
| " private static final class SwitchingProvider<T> implements Provider<T> {", |
| " private final DaggerTestComponent testComponent;", |
| " private final int id;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0:", |
| " return (T) new FooFactory() {", |
| " @Override", |
| " public Foo create(String str) {", |
| " return new Foo(str, testComponent.bar())", |
| " }", |
| " };", |
| "", |
| " default: throw new AssertionError(id);", |
| " }", |
| " }", |
| " }", |
| "}") |
| .addLinesIn( |
| DEFAULT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| "", |
| " private Provider<FooFactory> fooFactoryProvider;", |
| "", |
| " private Provider<Bar> barProvider;", |
| "", |
| " private Foo_Factory fooProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooFactoryProvider = new DelegateFactory<>();", |
| " this.barProvider = Bar_Factory.create(fooFactoryProvider);", |
| " this.fooProvider = Foo_Factory.create(barProvider);", |
| " DelegateFactory.setDelegate(", |
| " fooFactoryProvider, FooFactory_Impl.create(fooProvider));", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory fooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "}") |
| .build(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn(generatedComponent); |
| } |
| |
| @Test |
| public void assistedParamConflictsWithComponentFieldName_successfulyDeduped() { |
| JavaFileObject foo = |
| JavaFileObjects.forSourceLines( |
| "test.Foo", |
| "package test;", |
| "", |
| "import dagger.assisted.Assisted;", |
| "import dagger.assisted.AssistedInject;", |
| "import javax.inject.Provider;", |
| "", |
| "class Foo {", |
| " @AssistedInject", |
| " Foo(@Assisted String testComponent, Provider<Bar> bar) {}", |
| "}"); |
| JavaFileObject fooFactory = |
| JavaFileObjects.forSourceLines( |
| "test.FooFactory", |
| "package test;", |
| "", |
| "import dagger.assisted.AssistedFactory;", |
| "", |
| "@AssistedFactory", |
| "interface FooFactory {", |
| " Foo create(String factoryStr);", |
| "}"); |
| JavaFileObject bar = |
| JavaFileObjects.forSourceLines( |
| "test.Bar", |
| "package test;", |
| "", |
| "import javax.inject.Inject;", |
| "", |
| "class Bar {", |
| " @Inject Bar() {}", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "", |
| "@Component", |
| "interface TestComponent {", |
| " FooFactory fooFactory();", |
| "}"); |
| JavaFileObject generatedComponent = |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines("package test;", "", GeneratedLines.generatedAnnotations()) |
| .addLinesIn( |
| FAST_INIT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| " private final DaggerTestComponent testComponent = this;", |
| " private Provider<FooFactory> fooFactoryProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.barProvider = new SwitchingProvider<>(testComponent, 1);", |
| " this.fooFactoryProvider = SingleCheck.provider(", |
| " new SwitchingProvider<FooFactory>(testComponent, 0));", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory fooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "", |
| " private static final class SwitchingProvider<T> implements Provider<T> {", |
| " private final DaggerTestComponent testComponent;", |
| " private final int id;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0:", |
| " return (T) new FooFactory() {", |
| " @Override", |
| " public Foo create(String testComponent2) {", |
| " return new Foo(testComponent2, testComponent.barProvider);", |
| " }", |
| " };", |
| " case 1: return (T) new Bar();", |
| " default: throw new AssertionError(id);", |
| " }", |
| " }", |
| " }", |
| "}") |
| .addLinesIn( |
| DEFAULT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| "", |
| " private Foo_Factory fooProvider;", |
| "", |
| " private Provider<FooFactory> fooFactoryProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooProvider = Foo_Factory.create(Bar_Factory.create());", |
| " this.fooFactoryProvider = FooFactory_Impl.create(fooProvider);", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory fooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "}") |
| .build(); |
| |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()).compile(foo, bar, fooFactory, component); |
| |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn(generatedComponent); |
| } |
| |
| @Test |
| public void testFactoryGeneratorDuplicatedParamNames() { |
| JavaFileObject componentSrc = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.BindsInstance;", |
| "import dagger.Component;", |
| "", |
| "@Component", |
| "interface TestComponent {", |
| " @Component.Factory", |
| " interface Factory {", |
| " TestComponent create(@BindsInstance Bar arg);", |
| "}", |
| " FooFactory getFooFactory();", |
| "}"); |
| JavaFileObject factorySrc = |
| JavaFileObjects.forSourceLines( |
| "test.FooFactory", |
| "package test;", |
| "", |
| "import dagger.assisted.AssistedFactory;", |
| "", |
| "@AssistedFactory", |
| "public interface FooFactory {", |
| " Foo create(Integer arg);", |
| "}"); |
| JavaFileObject barSrc = |
| JavaFileObjects.forSourceLines("test.Bar", "package test;", "", "interface Bar {}"); |
| JavaFileObject injectSrc = |
| JavaFileObjects.forSourceLines( |
| "test.Foo", |
| "package test;", |
| "", |
| "import dagger.assisted.Assisted;", |
| "import dagger.assisted.AssistedInject;", |
| "", |
| "class Foo {", |
| " @AssistedInject", |
| " Foo(Bar arg, @Assisted Integer argProvider) {}", |
| "}"); |
| JavaFileObject generatedSrc = |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines("package test;", "", GeneratedLines.generatedAnnotations()) |
| .addLinesIn( |
| FAST_INIT_MODE, |
| "public final class Foo_Factory {", |
| " private final Provider<Bar> argProvider;", |
| "", |
| " public Foo_Factory(Provider<Bar> argProvider) {", |
| " this.argProvider = argProvider;", |
| " }", |
| "", |
| " public Foo get(Integer argProvider2) {", |
| " return newInstance(argProvider.get(), argProvider2);", |
| " }", |
| "", |
| " public static Foo_Factory create(Provider<Bar> argProvider) {", |
| " return new Foo_Factory(argProvider);", |
| " }", |
| "", |
| " public static Foo newInstance(Object arg, Integer argProvider) {", |
| " return new Foo((Bar) arg, argProvider);", |
| " }", |
| "}") |
| .addLinesIn( |
| DEFAULT_MODE, |
| "public final class Foo_Factory {", |
| " private final Provider<Bar> argProvider;", |
| "", |
| " public Foo_Factory(Provider<Bar> argProvider) {", |
| " this.argProvider = argProvider;", |
| " }", |
| "", |
| " public Foo get(Integer argProvider2) {", |
| " return newInstance(argProvider.get(), argProvider2);", |
| " }", |
| "", |
| " public static Foo_Factory create(Provider<Bar> argProvider) {", |
| " return new Foo_Factory(argProvider);", |
| " }", |
| "", |
| " public static Foo newInstance(Object arg, Integer argProvider) {", |
| " return new Foo((Bar) arg, argProvider);", |
| " }", |
| "}") |
| .build(); |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile(componentSrc, factorySrc, barSrc, injectSrc); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.Foo_Factory") |
| .containsElementsIn(generatedSrc); |
| } |
| |
| @Test |
| public void testParameterizedAssistParam() { |
| JavaFileObject componentSrc = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "", |
| "@Component", |
| "interface TestComponent {", |
| " FooFactory<String> getFooFactory();", |
| "}"); |
| JavaFileObject factorySrc = |
| JavaFileObjects.forSourceLines( |
| "test.FooFactory", |
| "package test;", |
| "", |
| "import dagger.assisted.AssistedFactory;", |
| "", |
| "@AssistedFactory", |
| "public interface FooFactory<T> {", |
| " Foo<T> create(T arg);", |
| "}"); |
| JavaFileObject injectSrc = |
| JavaFileObjects.forSourceLines( |
| "test.Foo", |
| "package test;", |
| "", |
| "import dagger.assisted.Assisted;", |
| "import dagger.assisted.AssistedInject;", |
| "", |
| "class Foo<T> {", |
| " @AssistedInject", |
| " Foo(@Assisted T arg) {}", |
| "}"); |
| JavaFileObject generatedSrc = |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines("package test;", "", GeneratedLines.generatedAnnotations()) |
| .addLinesIn( |
| FAST_INIT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| " private final DaggerTestComponent testComponent = this;", |
| " private Provider<FooFactory<String>> fooFactoryProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooFactoryProvider = SingleCheck.provider(new" |
| + " SwitchingProvider<FooFactory<String>>(testComponent, 0));", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory<String> getFooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| " ", |
| " private static final class SwitchingProvider<T> implements Provider<T> {", |
| " private final DaggerTestComponent testComponent;", |
| " private final int id;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0: return (T) new FooFactory<String>() {", |
| " @Override", |
| " public Foo<String> create(String arg) {", |
| " return new Foo<String>(arg)", |
| " }", |
| " };", |
| "", |
| " default: throw new AssertionError(id);", |
| " }", |
| " }", |
| " }", |
| "}") |
| .addLinesIn( |
| DEFAULT_MODE, |
| "final class DaggerTestComponent implements TestComponent {", |
| " private final DaggerTestComponent testComponent = this;", |
| " private Foo_Factory<String> fooProvider;", |
| " private Provider<FooFactory<String>> fooFactoryProvider;", |
| "", |
| " private DaggerTestComponent() {", |
| " initialize();", |
| " }", |
| "", |
| " public static Builder builder() {", |
| " return new Builder();", |
| " }", |
| "", |
| " public static TestComponent create() {", |
| " return new Builder().build();", |
| " }", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.fooProvider = Foo_Factory.create();", |
| " this.fooFactoryProvider = FooFactory_Impl.create(fooProvider);", |
| " }", |
| "", |
| " @Override", |
| " public FooFactory<String> getFooFactory() {", |
| " return fooFactoryProvider.get();", |
| " }", |
| "}") |
| .build(); |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()).compile(componentSrc, factorySrc, injectSrc); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn(generatedSrc); |
| } |
| } |
