| /* |
| * Copyright (C) 2017 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.testing.compile.Compilation; |
| import com.google.testing.compile.CompilationSubject; |
| import com.google.testing.compile.JavaFileObjects; |
| 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; |
| |
| @RunWith(Parameterized.class) |
| public class DelegateBindingExpressionTest { |
| @Parameters(name = "{0}") |
| public static Collection<Object[]> parameters() { |
| return CompilerMode.TEST_PARAMETERS; |
| } |
| |
| private final CompilerMode compilerMode; |
| |
| public DelegateBindingExpressionTest(CompilerMode compilerMode) { |
| this.compilerMode = compilerMode; |
| } |
| |
| private static final JavaFileObject REGULAR_SCOPED = |
| JavaFileObjects.forSourceLines( |
| "test.RegularScoped", |
| "package test;", |
| "", |
| "import javax.inject.Scope;", |
| "import javax.inject.Inject;", |
| "", |
| "@RegularScoped.CustomScope", |
| "class RegularScoped {", |
| " @Inject RegularScoped() {}", |
| "", |
| " @Scope @interface CustomScope {}", |
| "}"); |
| |
| private static final JavaFileObject REUSABLE_SCOPED = |
| JavaFileObjects.forSourceLines( |
| "test.ReusableScoped", |
| "package test;", |
| "", |
| "import dagger.Reusable;", |
| "import javax.inject.Inject;", |
| "", |
| "@Reusable", |
| "class ReusableScoped {", |
| " @Inject ReusableScoped() {}", |
| "}"); |
| |
| private static final JavaFileObject UNSCOPED = |
| JavaFileObjects.forSourceLines( |
| "test.Unscoped", |
| "package test;", |
| "", |
| "import javax.inject.Inject;", |
| "", |
| "class Unscoped {", |
| " @Inject Unscoped() {}", |
| "}"); |
| |
| private static final JavaFileObject COMPONENT = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "", |
| "@Component(modules = TestModule.class)", |
| "@RegularScoped.CustomScope", |
| "interface TestComponent {", |
| " @Qualifier(RegularScoped.class)", |
| " Object regular();", |
| "", |
| " @Qualifier(ReusableScoped.class)", |
| " Object reusable();", |
| "", |
| " @Qualifier(Unscoped.class)", |
| " Object unscoped();", |
| "}"); |
| |
| private static final JavaFileObject QUALIFIER = |
| JavaFileObjects.forSourceLines( |
| "test.Qualifier", |
| "package test;", |
| "", |
| "@javax.inject.Qualifier", |
| "@interface Qualifier {", |
| " Class<?> value();", |
| "}"); |
| |
| @Test |
| public void toDoubleCheck() { |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "test.TestModule", |
| "package test;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "", |
| "@Module", |
| "interface TestModule {", |
| " @Binds @RegularScoped.CustomScope @Qualifier(RegularScoped.class)", |
| " Object regular(RegularScoped delegate);", |
| "", |
| " @Binds @RegularScoped.CustomScope @Qualifier(ReusableScoped.class)", |
| " Object reusable(ReusableScoped delegate);", |
| "", |
| " @Binds @RegularScoped.CustomScope @Qualifier(Unscoped.class)", |
| " Object unscoped(Unscoped delegate);", |
| "}"); |
| |
| assertThatCompilationWithModule(module) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Object regularScoped = new MemoizedSentinel();", |
| " private volatile ReusableScoped reusableScoped;", |
| "", |
| " private RegularScoped regularScoped() {", |
| " Object local = regularScoped;", |
| " if (local instanceof MemoizedSentinel) {", |
| " synchronized (local) {", |
| " local = regularScoped;", |
| " if (local instanceof MemoizedSentinel) {", |
| " local = new RegularScoped();", |
| " regularScoped = DoubleCheck.reentrantCheck(regularScoped, local);", |
| " }", |
| " }", |
| " }", |
| " return (RegularScoped) local;", |
| " }", |
| "", |
| " private ReusableScoped reusableScoped() {", |
| " Object local = reusableScoped;", |
| " if (local == null) {", |
| " local = new ReusableScoped();", |
| " reusableScoped = (ReusableScoped) local;", |
| " }", |
| " return (ReusableScoped) local;", |
| " }", |
| "") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.regularScopedProvider = ", |
| " DoubleCheck.provider(RegularScoped_Factory.create());", |
| " this.reusableScopedProvider = ", |
| " SingleCheck.provider(ReusableScoped_Factory.create());", |
| " this.reusableProvider = DoubleCheck.provider(", |
| " (Provider) reusableScopedProvider);", |
| " this.unscopedProvider = DoubleCheck.provider(", |
| " (Provider) Unscoped_Factory.create());", |
| " }") |
| .addLines( // |
| "}") |
| .build()); |
| } |
| |
| @Test |
| public void toSingleCheck() { |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "test.TestModule", |
| "package test;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "import dagger.Reusable;", |
| "", |
| "@Module", |
| "interface TestModule {", |
| " @Binds @Reusable @Qualifier(RegularScoped.class)", |
| " Object regular(RegularScoped delegate);", |
| "", |
| " @Binds @Reusable @Qualifier(ReusableScoped.class)", |
| " Object reusable(ReusableScoped delegate);", |
| "", |
| " @Binds @Reusable @Qualifier(Unscoped.class)", |
| " Object unscoped(Unscoped delegate);", |
| "}"); |
| |
| assertThatCompilationWithModule(module) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Object regularScoped = new MemoizedSentinel();", |
| " private volatile ReusableScoped reusableScoped;", |
| "", |
| " private RegularScoped regularScoped() {", |
| " Object local = regularScoped;", |
| " if (local instanceof MemoizedSentinel) {", |
| " synchronized (local) {", |
| " local = regularScoped;", |
| " if (local instanceof MemoizedSentinel) {", |
| " local = new RegularScoped();", |
| " regularScoped = DoubleCheck.reentrantCheck(regularScoped, local);", |
| " }", |
| " }", |
| " }", |
| " return (RegularScoped) local;", |
| " }", |
| "", |
| " private ReusableScoped reusableScoped() {", |
| " Object local = reusableScoped;", |
| " if (local == null) {", |
| " local = new ReusableScoped();", |
| " reusableScoped = (ReusableScoped) local;", |
| " }", |
| " return (ReusableScoped) local;", |
| " }", |
| "") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.regularScopedProvider = ", |
| " DoubleCheck.provider(RegularScoped_Factory.create());", |
| " this.reusableScopedProvider = ", |
| " SingleCheck.provider(ReusableScoped_Factory.create());", |
| " this.unscopedProvider = SingleCheck.provider(", |
| " (Provider) Unscoped_Factory.create());", |
| " }") |
| .addLines( // |
| "}") |
| .build()); |
| } |
| |
| @Test |
| public void toUnscoped() { |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "test.TestModule", |
| "package test;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "", |
| "@Module", |
| "interface TestModule {", |
| " @Binds @Qualifier(RegularScoped.class)", |
| " Object regular(RegularScoped delegate);", |
| "", |
| " @Binds @Qualifier(ReusableScoped.class)", |
| " Object reusable(ReusableScoped delegate);", |
| "", |
| " @Binds @Qualifier(Unscoped.class)", |
| " Object unscoped(Unscoped delegate);", |
| "}"); |
| |
| assertThatCompilationWithModule(module) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Object regularScoped = new MemoizedSentinel();", |
| " private volatile ReusableScoped reusableScoped;", |
| "", |
| " private RegularScoped regularScoped() {", |
| " Object local = regularScoped;", |
| " if (local instanceof MemoizedSentinel) {", |
| " synchronized (local) {", |
| " local = regularScoped;", |
| " if (local instanceof MemoizedSentinel) {", |
| " local = new RegularScoped();", |
| " regularScoped = DoubleCheck.reentrantCheck(regularScoped, local);", |
| " }", |
| " }", |
| " }", |
| " return (RegularScoped) local;", |
| " }", |
| "", |
| " private ReusableScoped reusableScoped() {", |
| " Object local = reusableScoped;", |
| " if (local == null) {", |
| " local = new ReusableScoped();", |
| " reusableScoped = (ReusableScoped) local;", |
| " }", |
| " return (ReusableScoped) local;", |
| " }", |
| "") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.regularScopedProvider = ", |
| " DoubleCheck.provider(RegularScoped_Factory.create());", |
| " this.reusableScopedProvider = ", |
| " SingleCheck.provider(ReusableScoped_Factory.create());", |
| " }") |
| .addLines( // |
| "}") |
| .build()); |
| } |
| |
| @Test |
| public void castNeeded_rawTypes_Provider_get() { |
| JavaFileObject accessibleSupertype = |
| JavaFileObjects.forSourceLines( |
| "other.Supertype", |
| "package other;", |
| "", |
| // accessible from the component, but the subtype is not |
| "public interface Supertype {}"); |
| JavaFileObject inaccessibleSubtype = |
| JavaFileObjects.forSourceLines( |
| "other.Subtype", |
| "package other;", |
| "", |
| "import javax.inject.Inject;", |
| "import javax.inject.Singleton;", |
| "", |
| "@Singleton", |
| "class Subtype implements Supertype {", |
| " @Inject Subtype() {}", |
| "}"); |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "other.SupertypeModule", |
| "package other;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "", |
| "@Module", |
| "public interface SupertypeModule {", |
| " @Binds Supertype to(Subtype subtype);", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "import javax.inject.Singleton;", |
| "", |
| "@Singleton", |
| "@Component(modules = other.SupertypeModule.class)", |
| "interface TestComponent {", |
| " other.Supertype supertype();", |
| "}"); |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile(accessibleSupertype, inaccessibleSubtype, module, component); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @SuppressWarnings(\"rawtypes\")", |
| " private Provider subtypeProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.subtypeProvider = DoubleCheck.provider(Subtype_Factory.create());", |
| " }", |
| "", |
| " @Override", |
| " public Supertype supertype() {", |
| " return (Supertype) subtypeProvider.get();", |
| " }") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Object subtype = new MemoizedSentinel();", |
| "", |
| " private Object subtype() {", |
| " Object local = subtype;", |
| " if (local instanceof MemoizedSentinel) {", |
| " synchronized (local) {", |
| " local = subtype;", |
| " if (local instanceof MemoizedSentinel) {", |
| " local = Subtype_Factory.newInstance();", |
| " subtype = DoubleCheck.reentrantCheck(subtype, local);", |
| " }", |
| " }", |
| " }", |
| " return (Object) local;", |
| " }", |
| "", |
| " @Override", |
| " public Supertype supertype() {", |
| " return (Supertype) subtype();", |
| " }") |
| .build()); |
| } |
| |
| @Test |
| public void noCast_rawTypes_Provider_get_toInaccessibleType() { |
| JavaFileObject supertype = |
| JavaFileObjects.forSourceLines( |
| "other.Supertype", |
| "package other;", |
| "", |
| "interface Supertype {}"); |
| JavaFileObject subtype = |
| JavaFileObjects.forSourceLines( |
| "other.Subtype", |
| "package other;", |
| "", |
| "import javax.inject.Inject;", |
| "import javax.inject.Singleton;", |
| "", |
| "@Singleton", |
| "class Subtype implements Supertype {", |
| " @Inject Subtype() {}", |
| "}"); |
| JavaFileObject usesSupertype = |
| JavaFileObjects.forSourceLines( |
| "other.UsesSupertype", |
| "package other;", |
| "", |
| "import javax.inject.Inject;", |
| "", |
| "public class UsesSupertype {", |
| " @Inject UsesSupertype(Supertype supertype) {}", |
| "}"); |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "other.SupertypeModule", |
| "package other;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "", |
| "@Module", |
| "public interface SupertypeModule {", |
| " @Binds Supertype to(Subtype subtype);", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "import javax.inject.Singleton;", |
| "", |
| "@Singleton", |
| "@Component(modules = other.SupertypeModule.class)", |
| "interface TestComponent {", |
| " other.UsesSupertype usesSupertype();", |
| "}"); |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile(supertype, subtype, usesSupertype, module, component); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @SuppressWarnings(\"rawtypes\")", |
| " private Provider subtypeProvider;", |
| "", |
| " @Override", |
| " public UsesSupertype usesSupertype() {", |
| // can't cast the provider.get() to a type that's not accessible |
| " return UsesSupertype_Factory.newInstance(subtypeProvider.get());", |
| " }", |
| "}") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Object subtype = new MemoizedSentinel();", |
| "", |
| " private Object subtype() {", |
| " Object local = subtype;", |
| " if (local instanceof MemoizedSentinel) {", |
| " synchronized (local) {", |
| " local = subtype;", |
| " if (local instanceof MemoizedSentinel) {", |
| " local = Subtype_Factory.newInstance();", |
| " subtype = DoubleCheck.reentrantCheck(subtype, local);", |
| " }", |
| " }", |
| " }", |
| " return (Object) local;", |
| " }", |
| "", |
| " @Override", |
| " public UsesSupertype usesSupertype() {", |
| " return UsesSupertype_Factory.newInstance(subtype());", |
| " }") |
| .build()); |
| } |
| |
| @Test |
| public void castedToRawType() { |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "test.TestModule", |
| "package test;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "import dagger.Provides;", |
| "import javax.inject.Named;", |
| "", |
| "@Module", |
| "interface TestModule {", |
| " @Provides", |
| " static String provideString() { return new String(); }", |
| "", |
| " @Binds", |
| " CharSequence charSequence(String string);", |
| "", |
| " @Binds", |
| " @Named(\"named\")", |
| " String namedString(String string);", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "import javax.inject.Named;", |
| "import javax.inject.Provider;", |
| "", |
| "@Component(modules = TestModule.class)", |
| "interface TestComponent {", |
| " Provider<CharSequence> charSequence();", |
| "", |
| " @Named(\"named\") Provider<String> namedString();", |
| "}"); |
| |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile(module, component); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @Override", |
| " public Provider<CharSequence> charSequence() {", |
| " return (Provider) TestModule_ProvideStringFactory.create();", |
| " }", |
| "", |
| " @Override", |
| " public Provider<String> namedString() {", |
| " return TestModule_ProvideStringFactory.create();", |
| " }", |
| "}") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Provider<String> provideStringProvider;", |
| "", |
| " private Provider<String> stringProvider() {", |
| " Object local = provideStringProvider;", |
| " if (local == null) {", |
| " local = new SwitchingProvider<>(0);", |
| " provideStringProvider = (Provider<String>) local;", |
| " }", |
| " return (Provider<String>) local;", |
| " }", |
| "", |
| " @Override", |
| " public Provider<CharSequence> charSequence() {", |
| " return (Provider) stringProvider();", |
| " }", |
| "", |
| " @Override", |
| " public Provider<String> namedString() {", |
| " return stringProvider();", |
| " }", |
| "", |
| " private final class SwitchingProvider<T> implements Provider<T> {", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0:", |
| " return (T) TestModule_ProvideStringFactory.provideString();", |
| " default:", |
| " throw new AssertionError(id);", |
| " }", |
| " }", |
| " }") |
| .build()); |
| } |
| |
| @Test |
| public void doubleBinds() { |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "test.TestModule", |
| "package test;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "import dagger.Provides;", |
| "", |
| "@Module", |
| "interface TestModule {", |
| " @Provides", |
| " static String provideString() { return new String(); }", |
| "", |
| " @Binds", |
| " CharSequence charSequence(String string);", |
| "", |
| " @Binds", |
| " Object object(CharSequence charSequence);", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "import javax.inject.Named;", |
| "import javax.inject.Provider;", |
| "", |
| "@Component(modules = TestModule.class)", |
| "interface TestComponent {", |
| " Provider<CharSequence> charSequence();", |
| " Provider<Object> object();", |
| "}"); |
| |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile(module, component); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @Override", |
| " public Provider<CharSequence> charSequence() {", |
| " return (Provider) TestModule_ProvideStringFactory.create();", |
| " }", |
| " @Override", |
| " public Provider<Object> object() {", |
| " return (Provider) TestModule_ProvideStringFactory.create();", |
| " }", |
| "}") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Provider<String> provideStringProvider;", |
| "", |
| " private Provider<String> stringProvider() {", |
| " Object local = provideStringProvider;", |
| " if (local == null) {", |
| " local = new SwitchingProvider<>(0);", |
| " provideStringProvider = (Provider<String>) local;", |
| " }", |
| " return (Provider<String>) local;", |
| " }", |
| "", |
| " @Override", |
| " public Provider<CharSequence> charSequence() {", |
| " return (Provider) stringProvider();", |
| " }", |
| "", |
| " @Override", |
| " public Provider<Object> object() {", |
| " return (Provider) stringProvider();", |
| " }", |
| "", |
| " private final class SwitchingProvider<T> implements Provider<T> {", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0:", |
| " return (T) TestModule_ProvideStringFactory.provideString();", |
| " default:", |
| " throw new AssertionError(id);", |
| " }", |
| " }", |
| " }") |
| .build()); |
| } |
| |
| @Test |
| public void inlineFactoryOfInacessibleType() { |
| JavaFileObject supertype = |
| JavaFileObjects.forSourceLines( |
| "other.Supertype", "package other;", "", "public interface Supertype {}"); |
| JavaFileObject injectableSubtype = |
| JavaFileObjects.forSourceLines( |
| "other.Subtype", |
| "package other;", |
| "", |
| "import javax.inject.Inject;", |
| "", |
| "final class Subtype implements Supertype {", |
| // important: this doesn't have any dependencies and therefore the factory will be able |
| // to be referenced with an inline Subtype_Factory.create() |
| " @Inject Subtype() {}", |
| "}"); |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "other.TestModule", |
| "package other;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "", |
| "@Module", |
| "public interface TestModule {", |
| " @Binds Supertype to(Subtype subtype);", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.RequestsSubtypeAsProvider", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "import javax.inject.Provider;", |
| "", |
| "@Component(modules = other.TestModule.class)", |
| "interface RequestsSubtypeAsProvider {", |
| " Provider<other.Supertype> supertypeProvider();", |
| "}"); |
| |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile(supertype, injectableSubtype, module, component); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerRequestsSubtypeAsProvider") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerRequestsSubtypeAsProvider") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerRequestsSubtypeAsProvider", |
| " implements RequestsSubtypeAsProvider {") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " @Override", |
| " public Provider<Supertype> supertypeProvider() {", |
| " return (Provider) Subtype_Factory.create();", |
| " }", |
| "}") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile Provider subtypeProvider;", |
| "", |
| " private Provider subtypeProvider() {", |
| " Object local = subtypeProvider;", |
| " if (local == null) {", |
| " local = new SwitchingProvider<>(0);", |
| " subtypeProvider = (Provider) local;", |
| " }", |
| " return (Provider) local;", |
| " }", |
| "", |
| " @Override", |
| " public Provider<Supertype> supertypeProvider() {", |
| " return subtypeProvider();", |
| " }", |
| "", |
| " private final class SwitchingProvider<T> implements Provider<T> {", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0: return (T) Subtype_Factory.newInstance();", |
| " default: throw new AssertionError(id);", |
| " }", |
| " }", |
| " }") |
| .build()); |
| } |
| |
| @Test |
| public void providerWhenBindsScopeGreaterThanDependencyScope() { |
| JavaFileObject module = |
| JavaFileObjects.forSourceLines( |
| "test.TestModule", |
| "package test;", |
| "", |
| "import dagger.Binds;", |
| "import dagger.Module;", |
| "import dagger.Provides;", |
| "import dagger.Reusable;", |
| "import javax.inject.Singleton;", |
| "", |
| "@Module", |
| "public abstract class TestModule {", |
| " @Reusable", |
| " @Provides", |
| " static String provideString() {", |
| " return \"\";", |
| " }", |
| "", |
| " @Binds", |
| " @Singleton", |
| " abstract Object bindString(String str);", |
| "}"); |
| JavaFileObject component = |
| JavaFileObjects.forSourceLines( |
| "test.TestComponent", |
| "package test;", |
| "", |
| "import dagger.Component;", |
| "import javax.inject.Singleton;", |
| "import javax.inject.Provider;", |
| "", |
| "@Singleton", |
| "@Component(modules = TestModule.class)", |
| "interface TestComponent {", |
| " Provider<Object> object();", |
| "}"); |
| |
| Compilation compilation = compilerWithOptions(compilerMode.javacopts()) |
| .compile(module, component); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .generatedSourceFile("test.DaggerTestComponent") |
| .containsElementsIn( |
| compilerMode |
| .javaFileBuilder("test.DaggerTestComponent") |
| .addLines( |
| "package test;", |
| "", |
| GeneratedLines.generatedAnnotations(), |
| "final class DaggerTestComponent implements TestComponent {") |
| .addLinesIn( |
| DEFAULT_MODE, |
| " private Provider<String> provideStringProvider;", |
| " private Provider<Object> bindStringProvider;", |
| "", |
| " @SuppressWarnings(\"unchecked\")", |
| " private void initialize() {", |
| " this.provideStringProvider =", |
| " SingleCheck.provider(TestModule_ProvideStringFactory.create());", |
| " this.bindStringProvider =", |
| " DoubleCheck.provider((Provider) provideStringProvider);", |
| " }", |
| "", |
| " @Override", |
| " public Provider<Object> object() {", |
| " return bindStringProvider;", |
| " }", |
| "}") |
| .addLinesIn( |
| FAST_INIT_MODE, |
| " private volatile String string;", |
| " private volatile Object object = new MemoizedSentinel();", |
| " private volatile Provider<Object> bindStringProvider;", |
| "", |
| " private String string() {", |
| " Object local = string;", |
| " if (local == null) {", |
| " local = TestModule_ProvideStringFactory.provideString();", |
| " string = (String) local;", |
| " }", |
| " return (String) local;", |
| " }", |
| "", |
| " private Object object2() {", |
| " Object local = object;", |
| " if (local instanceof MemoizedSentinel) {", |
| " synchronized (local) {", |
| " local = object;", |
| " if (local instanceof MemoizedSentinel) {", |
| " local = string();", |
| " object = DoubleCheck.reentrantCheck(object, local);", |
| " }", |
| " }", |
| " }", |
| " return (Object) local;", |
| " }", |
| "", |
| " @Override", |
| " public Provider<Object> object() {", |
| " Object local = bindStringProvider;", |
| " if (local == null) {", |
| " local = new SwitchingProvider<>(0);", |
| " bindStringProvider = (Provider<Object>) local;", |
| " }", |
| " return (Provider<Object>) local;", |
| " }", |
| "", |
| " private final class SwitchingProvider<T> implements Provider<T> {", |
| " @SuppressWarnings(\"unchecked\")", |
| " @Override", |
| " public T get() {", |
| " switch (id) {", |
| " case 0: return (T) DaggerTestComponent.this.object2();", |
| " default: throw new AssertionError(id);", |
| " }", |
| " }", |
| " }") |
| .build()); |
| } |
| |
| private CompilationSubject assertThatCompilationWithModule(JavaFileObject module) { |
| Compilation compilation = |
| compilerWithOptions(compilerMode.javacopts()) |
| .compile( |
| module, |
| COMPONENT, |
| QUALIFIER, |
| REGULAR_SCOPED, |
| REUSABLE_SCOPED, |
| UNSCOPED); |
| assertThat(compilation).succeeded(); |
| return assertThat(compilation); |
| } |
| } |
