| /* |
| * 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.hilt.processor.internal.uninstallmodules; |
| |
| import static dagger.internal.codegen.extension.DaggerStreams.toImmutableList; |
| import static net.ltgt.gradle.incap.IncrementalAnnotationProcessorType.ISOLATING; |
| |
| import com.google.auto.common.MoreElements; |
| import com.google.auto.service.AutoService; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.squareup.javapoet.ClassName; |
| import dagger.hilt.processor.internal.BaseProcessor; |
| import dagger.hilt.processor.internal.ClassNames; |
| import dagger.hilt.processor.internal.ProcessorErrors; |
| import dagger.hilt.processor.internal.Processors; |
| import java.util.Set; |
| import javax.annotation.processing.Processor; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.TypeElement; |
| import net.ltgt.gradle.incap.IncrementalAnnotationProcessor; |
| |
| /** Validates {@link dagger.hilt.android.testing.UninstallModules} usages. */ |
| @IncrementalAnnotationProcessor(ISOLATING) |
| @AutoService(Processor.class) |
| public final class UninstallModulesProcessor extends BaseProcessor { |
| |
| @Override |
| public Set<String> getSupportedAnnotationTypes() { |
| return ImmutableSet.of(ClassNames.UNINSTALL_MODULES.toString()); |
| } |
| |
| @Override |
| public void processEach(TypeElement annotation, Element element) throws Exception { |
| // TODO(bcorso): Consider using RootType to check this? |
| // TODO(bcorso): Loosen this restriction to allow defining sets of ignored modules in libraries. |
| ProcessorErrors.checkState( |
| MoreElements.isType(element) |
| && Processors.hasAnnotation(element, ClassNames.HILT_ANDROID_TEST), |
| element, |
| "@%s should only be used on test classes annotated with @%s, but found: %s", |
| annotation.getSimpleName(), |
| ClassNames.HILT_ANDROID_TEST.simpleName(), |
| element); |
| |
| TypeElement testElement = MoreElements.asType(element); |
| ImmutableList<TypeElement> uninstallModules = |
| Processors.getAnnotationClassValues( |
| getElementUtils(), |
| Processors.getAnnotationMirror(testElement, ClassNames.UNINSTALL_MODULES), |
| "value"); |
| |
| checkModulesHaveInstallIn(testElement, uninstallModules); |
| checkModulesDontOriginateFromTest(testElement, uninstallModules); |
| |
| new AggregatedUninstallModulesGenerator(testElement, uninstallModules, getProcessingEnv()) |
| .generate(); |
| } |
| |
| private void checkModulesHaveInstallIn( |
| TypeElement testElement, ImmutableList<TypeElement> uninstallModules) { |
| ImmutableList<TypeElement> invalidModules = |
| uninstallModules.stream() |
| .filter( |
| module -> |
| !(Processors.hasAnnotation(module, ClassNames.MODULE) |
| && Processors.hasAnnotation(module, ClassNames.INSTALL_IN))) |
| .collect(toImmutableList()); |
| |
| ProcessorErrors.checkState( |
| invalidModules.isEmpty(), |
| // TODO(b/152801981): Point to the annotation value rather than the annotated element. |
| testElement, |
| "@UninstallModules should only include modules annotated with both @Module and @InstallIn, " |
| + "but found: %s.", |
| invalidModules); |
| } |
| |
| private void checkModulesDontOriginateFromTest( |
| TypeElement testElement, ImmutableList<TypeElement> uninstallModules) { |
| ImmutableList<ClassName> invalidModules = |
| uninstallModules.stream() |
| .filter( |
| module -> |
| Processors.getOriginatingTestElement(module, getElementUtils()).isPresent()) |
| .map(ClassName::get) |
| .collect(toImmutableList()); |
| |
| ProcessorErrors.checkState( |
| invalidModules.isEmpty(), |
| // TODO(b/152801981): Point to the annotation value rather than the annotated element. |
| testElement, |
| "@UninstallModules should not contain test modules, but found: %s", |
| invalidModules); |
| } |
| } |