package org.jboss.windup.rules.apps.java.scan.ast;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collections;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.RandomStringUtils;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.forge.arquillian.AddonDependencies;
import org.jboss.forge.arquillian.AddonDependency;
import org.jboss.forge.arquillian.archive.AddonArchive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.windup.ast.java.data.TypeReferenceLocation;
import org.jboss.windup.config.AbstractRuleProvider;
import org.jboss.windup.config.GraphRewrite;
import org.jboss.windup.config.loader.RuleLoaderContext;
import org.jboss.windup.config.metadata.MetadataBuilder;
import org.jboss.windup.config.operation.Iteration;
import org.jboss.windup.config.operation.iteration.AbstractIterationOperation;
import org.jboss.windup.engine.predicates.RuleProviderWithDependenciesPredicate;
import org.jboss.windup.exec.WindupProcessor;
import org.jboss.windup.exec.configuration.WindupConfiguration;
import org.jboss.windup.graph.GraphContext;
import org.jboss.windup.graph.GraphContextFactory;
import org.jboss.windup.graph.service.GraphService;
import org.jboss.windup.rules.apps.java.condition.JavaClass;
import org.jboss.windup.rules.apps.java.config.ScanPackagesOption;
import org.jboss.windup.rules.apps.java.config.SourceModeOption;
import org.jboss.windup.rules.apps.java.scan.provider.AnalyzeJavaFilesRuleProvider;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ocpsoft.rewrite.config.Configuration;
import org.ocpsoft.rewrite.config.ConfigurationBuilder;
import org.ocpsoft.rewrite.context.EvaluationContext;
@RunWith(Arquillian.class)
public class ASTProcessorIntegrationTest
{
@Deployment
@AddonDependencies({
@AddonDependency(name = "org.jboss.windup.config:windup-config"),
@AddonDependency(name = "org.jboss.windup.exec:windup-exec"),
@AddonDependency(name = "org.jboss.windup.rules.apps:windup-rules-java"),
@AddonDependency(name = "org.jboss.windup.reporting:windup-reporting"),
@AddonDependency(name = "org.jboss.windup.utils:windup-utils"),
@AddonDependency(name = "org.jboss.forge.furnace.container:cdi")
})
public static AddonArchive getDeployment()
{
return ShrinkWrap.create(AddonArchive.class).addBeansXML();
}
@Inject
JavaClassTestRuleProvider provider;
@Inject
private WindupProcessor processor;
@Inject
private GraphContextFactory factory;
@Test
public void testJavaSourceScanning() throws IOException, InstantiationException, IllegalAccessException
{
try (GraphContext context = factory.create(getDefaultPath()))
{
final String inputDir = "src/test/resources/simple";
final Path outputPath = Paths.get(FileUtils.getTempDirectory().toString(),
"windup_" + RandomStringUtils.randomAlphanumeric(6));
FileUtils.deleteDirectory(outputPath.toFile());
Files.createDirectories(outputPath);
final WindupConfiguration processorConfig = new WindupConfiguration();
processorConfig.setRuleProviderFilter(new RuleProviderWithDependenciesPredicate(
JavaClassTestRuleProvider.class));
processorConfig.setGraphContext(context);
processorConfig.addInputPath(Paths.get(inputDir));
processorConfig.setOutputDirectory(outputPath);
processorConfig.setOptionValue(ScanPackagesOption.NAME, Collections.singletonList(""));
processorConfig.setOptionValue(SourceModeOption.NAME, true);
processor.execute(processorConfig);
GraphService<JavaTypeReferenceModel> typeRefService = new GraphService<>(context, JavaTypeReferenceModel.class);
Iterable<JavaTypeReferenceModel> typeReferences = typeRefService.findAll();
Assert.assertTrue(typeReferences.iterator().hasNext());
Assert.assertEquals(2, provider.getMyAclassTypeDeclaration());
Assert.assertEquals(1, provider.getInterfaceCall());
Assert.assertEquals(1, provider.getMethodDefault());
}
}
private Path getDefaultPath()
{
return FileUtils.getTempDirectory().toPath().resolve("Windup")
.resolve("windupgraph_javaclasstest_" + RandomStringUtils.randomAlphanumeric(6));
}
@Singleton
public static class JavaClassTestRuleProvider extends AbstractRuleProvider
{
private int myAclassTypeDeclaration = 0;
private int interfaceCall = 0;
private int methodDefault = 0;
public JavaClassTestRuleProvider()
{
super(MetadataBuilder.forProvider(JavaClassTestRuleProvider.class)
.addExecuteAfter(AnalyzeJavaFilesRuleProvider.class));
}
// @formatter:off
@Override
public Configuration getConfiguration(RuleLoaderContext ruleLoaderContext)
{
return ConfigurationBuilder.begin()
.addRule().when(
JavaClass.references("simple.MyAClass").at(TypeReferenceLocation.TYPE)
).perform(
Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
myAclassTypeDeclaration++;
}
}).endIteration()
)
.addRule().when(
JavaClass.references("simple.SomeInterface.interfaceMethod()").at(TypeReferenceLocation.METHOD_CALL)
).perform(
Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
interfaceCall++;
}
}).endIteration()
)
.addRule().when(
JavaClass.references("simple.SomeInterface.defaultMethod()")
).perform(
Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
methodDefault++;
}
}).endIteration()
)
;
}
// @formatter:on
public int getMyAclassTypeDeclaration()
{
return myAclassTypeDeclaration;
}
public int getInterfaceCall()
{
return interfaceCall;
}
public int getMethodDefault()
{
return methodDefault;
}
}
}