Add ArchUnit automated architecture checks

See gh-1184
This commit is contained in:
Brian Clozel
2025-04-08 15:29:22 +02:00
parent 6de47bd2d3
commit 626687ae33
5 changed files with 305 additions and 2 deletions

View File

@@ -8,7 +8,8 @@ ext {
}
subprojects {
apply plugin: 'org.springframework.graphql.build.conventions'
apply plugin: 'org.springframework.graphql.conventions'
apply plugin: 'org.springframework.graphql.architecture'
group = 'org.springframework.graphql'
ext.javadocLinks = [

View File

@@ -24,6 +24,7 @@ dependencies {
implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlinVersion}")
implementation("org.jetbrains.kotlin:kotlin-compiler-embeddable:${kotlinVersion}")
implementation("io.spring.javaformat:spring-javaformat-gradle-plugin:${javaFormatVersion}")
implementation "com.tngtech.archunit:archunit:1.4.0"
}
checkstyle {
@@ -33,9 +34,13 @@ checkstyle {
gradlePlugin {
plugins {
conventionsPlugin {
id = "org.springframework.graphql.build.conventions"
id = "org.springframework.graphql.conventions"
implementationClass = "org.springframework.graphql.build.ConventionsPlugin"
}
architecturePlugin {
id = "org.springframework.graphql.architecture"
implementationClass = "org.springframework.graphql.build.architecture.ArchitecturePlugin"
}
}
}

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@@ -0,0 +1,136 @@
/*
* Copyright 2020-2025 the original author or 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
*
* https://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 org.springframework.graphql.build.architecture;
import com.tngtech.archunit.core.domain.JavaClasses;
import com.tngtech.archunit.core.importer.ClassFileImporter;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.EvaluationResult;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import java.util.List;
import org.gradle.api.DefaultTask;
import org.gradle.api.GradleException;
import org.gradle.api.Task;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileTree;
import org.gradle.api.provider.ListProperty;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.IgnoreEmptyDirectories;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.SkipWhenEmpty;
import org.gradle.api.tasks.TaskAction;
import static org.springframework.graphql.build.architecture.ArchitectureRules.allPackagesShouldBeFreeOfTangles;
import static org.springframework.graphql.build.architecture.ArchitectureRules.classesShouldNotImportForbiddenTypes;
import static org.springframework.graphql.build.architecture.ArchitectureRules.javaClassesShouldNotImportKotlinAnnotations;
import static org.springframework.graphql.build.architecture.ArchitectureRules.noClassesShouldCallStringToLowerCaseWithoutLocale;
import static org.springframework.graphql.build.architecture.ArchitectureRules.noClassesShouldCallStringToUpperCaseWithoutLocale;
/**
* {@link Task} that checks for architecture problems.
*
* @author Andy Wilkinson
* @author Scott Frederick
*/
public abstract class ArchitectureCheck extends DefaultTask {
private FileCollection classes;
public ArchitectureCheck() {
getOutputDirectory().convention(getProject().getLayout().getBuildDirectory().dir(getName()));
getProhibitObjectsRequireNonNull().convention(true);
getRules().addAll(
classesShouldNotImportForbiddenTypes(),
javaClassesShouldNotImportKotlinAnnotations(),
allPackagesShouldBeFreeOfTangles(),
noClassesShouldCallStringToLowerCaseWithoutLocale(),
noClassesShouldCallStringToUpperCaseWithoutLocale());
getRuleDescriptions().set(getRules().map((rules) -> rules.stream().map(ArchRule::getDescription).toList()));
}
@TaskAction
void checkArchitecture() throws IOException {
JavaClasses javaClasses = new ClassFileImporter()
.importPaths(this.classes.getFiles().stream().map(File::toPath).toList());
List<EvaluationResult> violations = getRules().get()
.stream()
.map((rule) -> rule.evaluate(javaClasses))
.filter(EvaluationResult::hasViolation)
.toList();
File outputFile = getOutputDirectory().file("failure-report.txt").get().getAsFile();
outputFile.getParentFile().mkdirs();
if (!violations.isEmpty()) {
StringBuilder report = new StringBuilder();
for (EvaluationResult violation : violations) {
report.append(violation.getFailureReport());
report.append(String.format("%n"));
}
Files.writeString(outputFile.toPath(), report.toString(), StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING);
throw new GradleException("Architecture check failed. See '" + outputFile + "' for details.");
}
else {
outputFile.createNewFile();
}
}
public void setClasses(FileCollection classes) {
this.classes = classes;
}
@Internal
public FileCollection getClasses() {
return this.classes;
}
@InputFiles
@SkipWhenEmpty
@IgnoreEmptyDirectories
@PathSensitive(PathSensitivity.RELATIVE)
final FileTree getInputClasses() {
return this.classes.getAsFileTree();
}
@Optional
@InputFiles
@PathSensitive(PathSensitivity.RELATIVE)
public abstract DirectoryProperty getResourcesDirectory();
@OutputDirectory
public abstract DirectoryProperty getOutputDirectory();
@Internal
public abstract ListProperty<ArchRule> getRules();
@Internal
public abstract Property<Boolean> getProhibitObjectsRequireNonNull();
@Input
// The rules themselves can't be an input as they aren't serializable so we use
// their descriptions instead
abstract ListProperty<String> getRuleDescriptions();
}

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@@ -0,0 +1,74 @@
/*
* Copyright 2020-2025 the original author or 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
*
* https://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 org.springframework.graphql.build.architecture;
import java.util.ArrayList;
import java.util.List;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.plugins.JavaPlugin;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.language.base.plugins.LifecycleBasePlugin;
/**
* {@link Plugin} for verifying a project's architecture.
*
* @author Andy Wilkinson
*/
public class ArchitecturePlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
project.getPlugins().withType(JavaPlugin.class, (javaPlugin) -> registerTasks(project));
}
private void registerTasks(Project project) {
JavaPluginExtension javaPluginExtension = project.getExtensions().getByType(JavaPluginExtension.class);
List<TaskProvider<ArchitectureCheck>> architectureChecks = new ArrayList<>();
for (SourceSet sourceSet : javaPluginExtension.getSourceSets()) {
if (sourceSet.getName().contains("test")) {
// skip test source sets.
continue;
}
TaskProvider<ArchitectureCheck> checkArchitecture = project.getTasks()
.register(taskName(sourceSet), ArchitectureCheck.class,
(task) -> {
task.setClasses(sourceSet.getOutput().getClassesDirs());
task.getResourcesDirectory().set(sourceSet.getOutput().getResourcesDir());
task.dependsOn(sourceSet.getProcessResourcesTaskName());
task.setDescription("Checks the architecture of the classes of the " + sourceSet.getName()
+ " source set.");
task.setGroup(LifecycleBasePlugin.VERIFICATION_GROUP);
});
architectureChecks.add(checkArchitecture);
}
if (!architectureChecks.isEmpty()) {
TaskProvider<Task> checkTask = project.getTasks().named(LifecycleBasePlugin.CHECK_TASK_NAME);
checkTask.configure((check) -> check.dependsOn(architectureChecks));
}
}
private static String taskName(SourceSet sourceSet) {
return "checkArchitecture"
+ sourceSet.getName().substring(0, 1).toUpperCase()
+ sourceSet.getName().substring(1);
}
}

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@@ -0,0 +1,87 @@
/*
* Copyright 2020-2025 the original author or 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
*
* https://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 org.springframework.graphql.build.architecture;
import com.tngtech.archunit.base.DescribedPredicate;
import com.tngtech.archunit.core.domain.JavaClass;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.syntax.ArchRuleDefinition;
import com.tngtech.archunit.library.dependencies.SliceAssignment;
import com.tngtech.archunit.library.dependencies.SliceIdentifier;
import com.tngtech.archunit.library.dependencies.SlicesRuleDefinition;
import java.util.List;
abstract class ArchitectureRules {
static ArchRule allPackagesShouldBeFreeOfTangles() {
return SlicesRuleDefinition.slices().matching("(**)").should().beFreeOfCycles();
}
static ArchRule noClassesShouldCallStringToLowerCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toLowerCase")
.because("String.toLowerCase(Locale.ROOT) should be used instead");
}
static ArchRule noClassesShouldCallStringToUpperCaseWithoutLocale() {
return ArchRuleDefinition.noClasses()
.should()
.callMethod(String.class, "toUpperCase")
.because("String.toUpperCase(Locale.ROOT) should be used instead");
}
static ArchRule packageInfoShouldBeNullMarked() {
return ArchRuleDefinition.classes()
.that().haveSimpleName("package-info")
.should().beAnnotatedWith("org.jspecify.annotations.NullMarked")
.allowEmptyShould(true);
}
static ArchRule classShouldNotUseSpringNullAnnotations() {
return ArchRuleDefinition.noClasses()
.should().dependOnClassesThat()
.haveFullyQualifiedName("org.springframework.lang.NonNull")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.springframework.lang.Nullable");
}
static ArchRule classesShouldNotImportForbiddenTypes() {
return ArchRuleDefinition.noClasses()
.should().dependOnClassesThat()
.haveFullyQualifiedName("reactor.core.support.Assert")
.orShould().dependOnClassesThat()
.haveFullyQualifiedName("org.slf4j.LoggerFactory");
}
static ArchRule javaClassesShouldNotImportKotlinAnnotations() {
return ArchRuleDefinition.noClasses()
.that(new DescribedPredicate<JavaClass>("is not a Kotlin class") {
@Override
public boolean test(JavaClass javaClass) {
return javaClass.getSourceCodeLocation()
.getSourceFileName().endsWith(".java");
}
}
)
.should().dependOnClassesThat()
.resideInAnyPackage("org.jetbrains.annotations..")
.allowEmptyShould(true);
}
}