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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 androidx.room.compiler.processing.util.Source;
import com.google.common.collect.ImmutableList;
import dagger.testing.compile.CompilerTests;
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 MissingBindingSuggestionsTest {
@Parameters(name = "{0}")
public static ImmutableList<Object[]> parameters() {
return CompilerMode.TEST_PARAMETERS;
}
private final CompilerMode compilerMode;
public MissingBindingSuggestionsTest(CompilerMode compilerMode) {
this.compilerMode = compilerMode;
}
private static Source injectable(String className, String constructorParams) {
return CompilerTests.javaSource(
"test." + className,
"package test;",
"",
"import javax.inject.Inject;",
"",
"class " + className + " {",
" @Inject " + className + "(" + constructorParams + ") {}",
"}");
}
private static Source emptyInterface(String interfaceName) {
return CompilerTests.javaSource(
"test." + interfaceName,
"package test;",
"",
"import javax.inject.Inject;",
"",
"interface " + interfaceName + " {}");
}
@Test public void suggestsBindingInSeparateComponent() {
Source fooComponent =
CompilerTests.javaSource(
"test.FooComponent",
"package test;",
"",
"import dagger.Subcomponent;",
"",
"@Subcomponent",
"interface FooComponent {",
" Foo getFoo();",
"}");
Source barModule =
CompilerTests.javaSource(
"test.BarModule",
"package test;",
"",
"import dagger.Provides;",
"import javax.inject.Inject;",
"",
"@dagger.Module",
"final class BarModule {",
" @Provides Bar provideBar() {return null;}",
"}");
Source barComponent =
CompilerTests.javaSource(
"test.BarComponent",
"package test;",
"",
"import dagger.Subcomponent;",
"",
"@Subcomponent(modules = {BarModule.class})",
"interface BarComponent {",
" Bar getBar();",
"}");
Source foo = injectable("Foo", "Bar bar");
Source bar = emptyInterface("Bar");
Source topComponent =
CompilerTests.javaSource(
"test.TopComponent",
"package test;",
"",
"import dagger.Component;",
"",
"@Component",
"interface TopComponent {",
" FooComponent getFoo();",
" BarComponent getBar(BarModule barModule);",
"}");
CompilerTests.daggerCompiler(fooComponent, barComponent, topComponent, foo, bar, barModule)
.withProcessingOptions(compilerMode.processorOptions())
.compile(
subject -> {
subject.hasErrorCount(1);
subject.hasErrorContaining("A binding for Bar exists in BarComponent:");
});
}
@Test public void suggestsBindingInNestedSubcomponent() {
Source fooComponent =
CompilerTests.javaSource(
"test.FooComponent",
"package test;",
"",
"import dagger.Subcomponent;",
"",
"@Subcomponent",
"interface FooComponent {",
" Foo getFoo();",
"}");
Source barComponent =
CompilerTests.javaSource(
"test.BarComponent",
"package test;",
"",
"import dagger.Subcomponent;",
"",
"@Subcomponent()",
"interface BarComponent {",
" BazComponent getBaz();",
"}");
Source bazModule =
CompilerTests.javaSource(
"test.BazModule",
"package test;",
"",
"import dagger.Provides;",
"import javax.inject.Inject;",
"",
"@dagger.Module",
"final class BazModule {",
" @Provides Baz provideBaz() {return null;}",
"}");
Source bazComponent =
CompilerTests.javaSource(
"test.BazComponent",
"package test;",
"",
"import dagger.Subcomponent;",
"",
"@Subcomponent(modules = {BazModule.class})",
"interface BazComponent {",
" Baz getBaz();",
"}");
Source foo = injectable("Foo", "Baz baz");
Source baz = emptyInterface("Baz");
Source topComponent =
CompilerTests.javaSource(
"test.TopComponent",
"package test;",
"",
"import dagger.Component;",
"",
"@Component",
"interface TopComponent {",
" FooComponent getFoo();",
" BarComponent getBar();",
"}");
CompilerTests.daggerCompiler(
fooComponent, barComponent, bazComponent, topComponent, foo, baz, bazModule)
.withProcessingOptions(compilerMode.processorOptions())
.compile(
subject -> {
subject.hasErrorCount(1);
subject.hasErrorContaining("A binding for Baz exists in BazComponent:");
});
}
@Test
public void missingBindingInParentComponent() {
Source parent =
CompilerTests.javaSource(
"Parent",
"import dagger.Component;",
"",
"@Component",
"interface Parent {",
" Foo foo();",
" Bar bar();",
" Child child();",
"}");
Source child =
CompilerTests.javaSource(
"Child",
"import dagger.Subcomponent;",
"",
"@Subcomponent(modules=BazModule.class)",
"interface Child {",
" Foo foo();",
" Baz baz();",
"}");
Source foo =
CompilerTests.javaSource(
"Foo",
"import javax.inject.Inject;",
"",
"class Foo {",
" @Inject Foo(Bar bar) {}",
"}");
Source bar =
CompilerTests.javaSource(
"Bar",
"import javax.inject.Inject;",
"",
"class Bar {",
" @Inject Bar(Baz baz) {}",
"}");
Source baz = CompilerTests.javaSource("Baz", "class Baz {}");
Source bazModule =
CompilerTests.javaSource(
"BazModule",
"import dagger.Module;",
"import dagger.Provides;",
"import javax.inject.Inject;",
"",
"@Module",
"final class BazModule {",
" @Provides Baz provideBaz() {return new Baz();}",
"}");
CompilerTests.daggerCompiler(parent, child, foo, bar, baz, bazModule)
.withProcessingOptions(compilerMode.processorOptions())
.compile(
subject -> {
subject.hasErrorCount(1);
subject.hasErrorContaining(
"\033[1;31m[Dagger/MissingBinding]\033[0m Baz cannot be provided without an "
+ "@Inject constructor or an @Provides-annotated method.");
subject.hasErrorContaining("A binding for Baz exists in Child:");
subject.hasErrorContaining(" Baz is injected at");
subject.hasErrorContaining(" [Parent] Bar(baz)");
subject.hasErrorContaining(" Bar is requested at");
subject.hasErrorContaining(" [Parent] Parent.bar()");
subject.hasErrorContaining("The following other entry points also depend on it:");
subject.hasErrorContaining(" Parent.foo()");
subject.hasErrorContaining(" Child.foo() [Parent → Child]")
.onSource(parent)
.onLineContaining("interface Parent");
});
}
@Test
public void missingBindingInSiblingComponent() {
Source parent =
CompilerTests.javaSource(
"Parent",
"import dagger.Component;",
"",
"@Component",
"interface Parent {",
" Foo foo();",
" Bar bar();",
" Child1 child1();",
" Child2 child2();",
"}");
Source child1 =
CompilerTests.javaSource(
"Child1",
"import dagger.Subcomponent;",
"",
"@Subcomponent",
"interface Child1 {",
" Foo foo();",
" Baz baz();",
"}");
Source child2 =
CompilerTests.javaSource(
"Child2",
"import dagger.Subcomponent;",
"",
"@Subcomponent(modules = BazModule.class)",
"interface Child2 {",
" Foo foo();",
" Baz baz();",
"}");
Source foo =
CompilerTests.javaSource(
"Foo",
"import javax.inject.Inject;",
"",
"class Foo {",
" @Inject Foo(Bar bar) {}",
"}");
Source bar =
CompilerTests.javaSource(
"Bar",
"import javax.inject.Inject;",
"",
"class Bar {",
" @Inject Bar(Baz baz) {}",
"}");
Source baz = CompilerTests.javaSource("Baz", "class Baz {}");
Source bazModule =
CompilerTests.javaSource(
"BazModule",
"import dagger.Module;",
"import dagger.Provides;",
"import javax.inject.Inject;",
"",
"@Module",
"final class BazModule {",
" @Provides Baz provideBaz() {return new Baz();}",
"}");
CompilerTests.daggerCompiler(parent, child1, child2, foo, bar, baz, bazModule)
.withProcessingOptions(compilerMode.processorOptions())
.compile(
subject -> {
subject.hasErrorCount(1);
subject.hasErrorContaining(
"\033[1;31m[Dagger/MissingBinding]\033[0m Baz cannot be provided without an "
+ "@Inject constructor or an @Provides-annotated method.");
subject.hasErrorContaining("A binding for Baz exists in Child2:");
subject.hasErrorContaining(" Baz is injected at");
subject.hasErrorContaining(" [Parent] Bar(baz)");
subject.hasErrorContaining(" Bar is requested at");
subject.hasErrorContaining(" [Parent] Parent.bar()");
subject.hasErrorContaining("The following other entry points also depend on it:");
subject.hasErrorContaining(" Parent.foo()");
subject.hasErrorContaining(" Child1.foo() [Parent → Child1]");
subject.hasErrorContaining(" Child2.foo() [Parent → Child2]");
subject.hasErrorContaining(" Child1.baz() [Parent → Child1]")
.onSource(parent)
.onLineContaining("interface Parent");
});
}
}
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