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AggregatingIncrementalAnnotationProcessingIntegrationTest.groovy
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AggregatingIncrementalAnnotationProcessingIntegrationTest.groovy
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/*
* Copyright 2018 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
*
* 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 org.gradle.api.tasks.compile
import org.gradle.api.JavaVersion
import org.gradle.api.internal.tasks.compile.incremental.processing.IncrementalAnnotationProcessorType
import org.gradle.language.fixtures.AnnotatedGeneratedClassProcessorFixture
import org.gradle.language.fixtures.HelperProcessorFixture
import org.gradle.language.fixtures.PackageInfoGeneratedClassProcessorFixture
import org.gradle.language.fixtures.ResourceGeneratingProcessorFixture
import org.gradle.language.fixtures.ServiceRegistryProcessorFixture
import spock.lang.Issue
import javax.tools.StandardLocation
import static org.gradle.api.internal.tasks.compile.CompileJavaBuildOperationType.Result.AnnotationProcessorDetails.Type.AGGREGATING
class AggregatingIncrementalAnnotationProcessingIntegrationTest extends AbstractIncrementalAnnotationProcessingIntegrationTest {
private static ServiceRegistryProcessorFixture writingResourcesTo(String location) {
def serviceRegistryProcessor = new ServiceRegistryProcessorFixture()
serviceRegistryProcessor.resourceLocation = location
return serviceRegistryProcessor
}
@Override
def setup() {
withProcessor(writingResourcesTo(StandardLocation.CLASS_OUTPUT.toString()))
}
def "generated files are recompiled when any annotated file changes"() {
def a = java "@Service class A {}"
java "@Service class B {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
a.text = "@Service class A { public void foo() {} }"
run "compileJava"
then:
outputs.recompiledFiles("A", "ServiceRegistry", "ServiceRegistryResource.txt")
serviceRegistryReferences("A", "B")
}
def "unrelated files are not recompiled when annotated file changes"() {
def a = java "@Service class A {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
a.text = "@Service class A { public void foo() {} }"
run "compileJava"
then:
outputs.recompiledFiles("A", "ServiceRegistry", "ServiceRegistryResource.txt")
}
def "annotated files are reprocessed when an unrelated file changes"() {
java "@Service class A {}"
def unrelated = java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
unrelated.text = "class Unrelated { public void foo() {} }"
run "compileJava"
then:
outputs.recompiledFiles("Unrelated", "ServiceRegistry", "ServiceRegistryResource.txt")
}
def "annotated files are reprocessed when a new file is added"() {
java "@Service class A {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
java "@Service class B {}"
run "compileJava"
then:
outputs.recompiledFiles("ServiceRegistry", "ServiceRegistryResource.txt", "B")
serviceRegistryReferences("A", "B")
}
def "annotated files are reprocessed when a file is deleted"() {
def a = java "@Service class A {}"
java "@Service class B {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
a.delete()
run "compileJava"
then:
outputs.deletedClasses("A")
outputs.recompiledFiles("ServiceRegistry", "ServiceRegistryResource.txt")
serviceRegistryReferences("B")
!serviceRegistryReferences("A")
}
@Issue("https://github.com/gradle/gradle/issues/13767")
def "generated files with annotations are not reprocessed when a file is added (#label)"() {
def fixture = new AnnotatedGeneratedClassProcessorFixture()
if (generateClass) {
fixture.generateClassFile = true
}
withProcessor(fixture)
buildFile << """
repositories {
${fixture.repositoriesBlock}
}
"""
makeGeneratedClassFilesAccessible()
java "@Bean class A {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
java "@Bean class B {}"
run "compileJava"
then:
outputs.recompiledFiles("B", "BHelper", "ServiceRegistry", "ServiceRegistryResource.txt")
serviceRegistryReferences("AHelper", "BHelper")
where:
generateClass | label
false | "generate source files"
true | "generate class files"
}
@Issue("https://github.com/gradle/gradle/issues/17572")
def "can have an aggregating annotation processor for package info"() {
def fixture = new PackageInfoGeneratedClassProcessorFixture()
withProcessor(fixture)
buildFile << """
repositories {
${fixture.repositoriesBlock}
}
"""
def processedPackage = 'com.foo'
def a = javaInPackage processedPackage, "class A {}"
javaInPackage processedPackage, "class B {}"
annotatedPackageInfo(processedPackage, 'com.my.processor.Configuration')
javaInPackage 'com.unprocessed', "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
a.text = "class A { public void foo() {} }"
run "compileJava"
then:
outputs.recompiledFiles('A', '$Configuration', 'package-info')
}
File annotatedPackageInfo(String packageName, String annotation) {
file("src/main/java/${packageName.replace('.', '/')}/package-info.java") << """
@${annotation}
package ${packageName};
"""
}
private void makeGeneratedClassFilesAccessible() {
// On Java 8 and earlier, generated classes are not automatically
// available to the compile classpath so we need to expose them
// manually
if (!JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_1_9)) {
buildFile << """
tasks.withType(JavaCompile).configureEach {
classpath += files("\${buildDir}/classes/java/main")
}
"""
}
}
def "generated files with annotations are reprocessed when a file is deleted (#label)"() {
def fixture = new AnnotatedGeneratedClassProcessorFixture()
if (generateClass) {
fixture.generateClassFile = true
}
withProcessor(fixture)
buildFile << """
repositories {
${fixture.repositoriesBlock}
}
"""
makeGeneratedClassFilesAccessible()
def a = java "@Bean class A {}"
java "@Bean class B {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
a.delete()
run "compileJava"
then:
outputs.deletedClasses("A", "AHelper")
outputs.recompiledFiles("ServiceRegistry", "ServiceRegistryResource.txt")
serviceRegistryReferences("BHelper")
!serviceRegistryReferences("AHelper")
where:
generateClass | label
false | "generate source files"
true | "generate class files"
}
def "classes depending on generated file are recompiled when source file changes"() {
given:
def a = java "@Service class A {}"
java """class Dependent {
private ServiceRegistry registry = new ServiceRegistry();
}"""
outputs.snapshot { run "compileJava" }
when:
a.text = "@Service class A { public void foo() {} }"
run "compileJava"
then:
outputs.recompiledFiles("A", "ServiceRegistry", "ServiceRegistryResource.txt", "Dependent")
}
def "classes files of generated sources are deleted when annotated file is deleted"() {
given:
def a = java "@Service class A {}"
java "class Unrelated {}"
outputs.snapshot { run "compileJava" }
when:
a.delete()
run "compileJava"
then:
outputs.deletedFiles("A", "ServiceRegistry", "ServiceRegistryResource.txt")
}
def "generated files are deleted when annotated file is deleted"() {
given:
withProcessor(writingResourcesTo(StandardLocation.SOURCE_OUTPUT.toString()))
def a = java "@Service class A {}"
java "class Unrelated {}"
when:
outputs.snapshot { run "compileJava" }
then:
file("build/generated/sources/annotationProcessor/java/main/ServiceRegistry.java").exists()
file("build/generated/sources/annotationProcessor/java/main/ServiceRegistryResource.txt").exists()
when:
a.delete()
run "compileJava"
then:
!file("build/generated/sources/annotationProcessor/java/main/ServiceRegistry.java").exists()
!file("build/generated/sources/annotationProcessor/java/main/ServiceRegistryResource.txt").exists()
}
def "generated files and classes are deleted when processor is removed"() {
given:
withProcessor(writingResourcesTo(StandardLocation.SOURCE_OUTPUT.toString()))
java "@Service class A {}"
when:
outputs.snapshot { run "compileJava" }
then:
file("build/generated/sources/annotationProcessor/java/main/ServiceRegistry.java").exists()
file("build/generated/sources/annotationProcessor/java/main/ServiceRegistryResource.txt").exists()
when:
buildFile << "compileJava.options.annotationProcessorPath = files()"
run "compileJava"
then:
!file("build/generated/sources/annotationProcessor/java/main/ServiceRegistry.java").exists()
!file("build/generated/sources/annotationProcessor/java/main/ServiceRegistryResource.txt").exists()
and:
outputs.deletedClasses("ServiceRegistry")
}
def "processors can generate identical resources in different locations"() {
given:
def locations = [StandardLocation.SOURCE_OUTPUT.toString(), StandardLocation.NATIVE_HEADER_OUTPUT.toString(), StandardLocation.CLASS_OUTPUT.toString()]
withProcessor(new ResourceGeneratingProcessorFixture().withOutputLocations(locations).withDeclaredType(IncrementalAnnotationProcessorType.AGGREGATING))
def a = java "@Thing class A {}"
java "class Unrelated {}"
when:
outputs.snapshot { succeeds "compileJava" }
then:
file("build/generated/sources/annotationProcessor/java/main/A.txt").exists()
file("build/generated/sources/headers/java/main/A.txt").exists()
file("build/classes/java/main/A.txt").exists()
when:
a.delete()
succeeds "compileJava"
then: "they all get cleaned"
outputs.deletedClasses("A")
!file("build/generated/sources/annotationProcessor/java/main/A.txt").exists()
!file("build/generated/sources/headers/java/main/A.txt").exists()
!file("build/classes/java/main/A.txt").exists()
}
def "an isolating processor is also a valid aggregating processor"() {
given:
withProcessor(new HelperProcessorFixture().withDeclaredType(IncrementalAnnotationProcessorType.AGGREGATING))
java "@Helper class A {}"
expect:
succeeds "compileJava"
}
def "processors can provide multiple originating elements"() {
given:
java "@Service class A {}"
java "@Service class B {}"
expect:
succeeds "compileJava"
}
def "aggregating processor do not work with source retention"() {
given:
annotationProjectDir.file("src/main/java/Service.java").text = """
import java.lang.annotation.*;
@Retention(RetentionPolicy.SOURCE)
public @interface Service {
}
"""
def a = java "@Service class A {}"
outputs.snapshot { succeeds "compileJava" }
when:
a.text = "@Service class A { void foo() {} }"
then:
succeeds "compileJava", "--info"
and:
outputContains("Full recompilation is required because '@Service' has source retention. Aggregating annotation processors require class or runtime retention.")
}
def "reports aggregating processor in build operation"() {
java "class Irrelevant {}"
when:
succeeds "compileJava"
then:
with(operations[':compileJava'].result.annotationProcessorDetails as List<Object>) {
size() == 1
first().className == 'ServiceProcessor'
first().type == AGGREGATING.name()
}
}
def "updating an unrelated file doesn't delete generated resources built by an aggregating processor"() {
def locations = [StandardLocation.SOURCE_OUTPUT.toString(), StandardLocation.NATIVE_HEADER_OUTPUT.toString(), StandardLocation.CLASS_OUTPUT.toString()]
withProcessor(new ResourceGeneratingProcessorFixture().withOutputLocations(locations).withDeclaredType(IncrementalAnnotationProcessorType.AGGREGATING))
java "@Thing class A {}"
def unrelated = java "class Unrelated {}"
when:
outputs.snapshot { succeeds "compileJava" }
then:
file("build/generated/sources/annotationProcessor/java/main/A.txt").exists()
file("build/generated/sources/headers/java/main/A.txt").exists()
file("build/classes/java/main/A.txt").exists()
when:
unrelated.delete()
succeeds "compileJava"
then: "they all get cleaned"
outputs.deletedClasses("Unrelated")
file("build/generated/sources/annotationProcessor/java/main/A.txt").exists()
file("build/generated/sources/headers/java/main/A.txt").exists()
file("build/classes/java/main/A.txt").exists()
}
@Issue("https://github.com/gradle/gradle/issues/18840")
def "a class can be aggregated with a type that it generated"() {
given:
withProcessor(new AnnotatedGeneratedClassProcessorFixture())
java "@Bean @Service class A {}"
succeeds "compileJava"
when:
java "class Unrelated {}"
then:
succeeds "compileJava"
}
@Issue("https://github.com/micronaut-projects/micronaut-core/issues/6536")
def "does not reprocess if nothing in the current sourceSet changed"() {
given:
withProcessor(new AnnotatedGeneratedClassProcessorFixture())
javaTestSourceFile "@Bean class Test {}"
outputs.snapshot { succeeds "compileTestJava" }
when:
java "class Unrelated {}"
then:
succeeds "compileTestJava"
and:
outputs.recompiledClasses("Unrelated")
}
private boolean serviceRegistryReferences(String... services) {
def registry = file("build/classes/java/main/ServiceRegistryResource.txt").text
services.every() {
registry.contains("$it")
}
}
}