| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.build.java.turbine.javac; |
| |
| import static com.google.common.collect.ImmutableList.toImmutableList; |
| import static com.google.common.truth.Truth.assertThat; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import com.google.common.collect.ImmutableList; |
| import java.io.IOError; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.nio.file.Path; |
| import java.util.Map; |
| import java.util.Set; |
| import javax.annotation.processing.AbstractProcessor; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.annotation.processing.SupportedAnnotationTypes; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.TypeElement; |
| import javax.tools.FileObject; |
| import javax.tools.StandardLocation; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for isolated processor classloading. */ |
| @RunWith(JUnit4.class) |
| public class ProcessorClasspathTest extends AbstractJavacTurbineCompilationTest { |
| |
| @SupportedAnnotationTypes("*") |
| public static class HostClasspathProcessor extends AbstractProcessor { |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| |
| boolean first = true; |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| if (!first) { |
| return false; |
| } |
| first = false; |
| |
| String message; |
| try { |
| JavacTurbine.class.toString(); |
| message = "ok"; |
| } catch (Throwable e) { |
| StringWriter stringWriter = new StringWriter(); |
| e.printStackTrace(new PrintWriter(stringWriter)); |
| message = stringWriter.toString(); |
| } |
| try { |
| FileObject fileObject = |
| processingEnv |
| .getFiler() |
| .createResource(StandardLocation.CLASS_OUTPUT, "", "result.txt"); |
| try (OutputStream os = fileObject.openOutputStream()) { |
| os.write(message.getBytes(UTF_8)); |
| } |
| } catch (IOException e) { |
| throw new IOError(e); |
| } |
| return false; |
| } |
| } |
| |
| @Test |
| public void maskProcessorClasspath() throws Exception { |
| addSourceLines("MyAnnotation.java", "public @interface MyAnnotation {}"); |
| addSourceLines("Hello.java", "@MyAnnotation class Hello {}"); |
| |
| // create a jar containing only HostClasspathProcessor |
| Path processorJar = createClassJar("libprocessor.jar", HostClasspathProcessor.class); |
| |
| optionsBuilder.addProcessors(ImmutableList.of(HostClasspathProcessor.class.getName())); |
| optionsBuilder.addProcessorPathEntries(ImmutableList.of(processorJar.toString())); |
| optionsBuilder.addClassPathEntries(ImmutableList.<String>of()); |
| optionsBuilder.addSources(sources.stream().map(Object::toString).collect(toImmutableList())); |
| |
| compile(); |
| |
| Map<String, byte[]> outputs = collectOutputs(); |
| assertThat(outputs).containsKey("result.txt"); |
| |
| String text = new String(outputs.get("result.txt"), UTF_8); |
| assertThat(text) |
| .contains( |
| "java.lang.NoClassDefFoundError:" |
| + " com/google/devtools/build/java/turbine/javac/JavacTurbine"); |
| } |
| } |