package org.jboss.windup.rules.java;
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.ast.JavaTypeReferenceModel;
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 JavaClassSourceMatchTest
{
@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 testJavaClassCondition() throws IOException, InstantiationException, IllegalAccessException
{
final Path outputPath = getDefaultPath();
try (GraphContext context = factory.create(outputPath))
{
final String inputDir = "src/test/resources/org/jboss/windup/rules/java";
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(1, provider.getFirstRuleMatchCount());
Assert.assertEquals(1, provider.getSecondRuleMatchCount());
Assert.assertEquals(1, provider.getThirdRuleMatchCount());
Assert.assertEquals(1, provider.getFourthRuleMatchCount());
}
}
/**
* Testing that .from() and .as() sets the right variable
*/
@Test
public void testJavaClassInputOutputVariables()
{
JavaClass as = (JavaClass) JavaClass.from("input").references("abc").as("output");
Assert.assertEquals("input", as.getInputVariablesName());
Assert.assertEquals("output", as.getOutputVariablesName());
}
private Path getDefaultPath()
{
return FileUtils.getTempDirectory().toPath().resolve("Windup")
.resolve("windupgraph_javaclasstest_" + RandomStringUtils.randomAlphanumeric(6));
}
@Singleton
public static class JavaClassTestRuleProvider extends AbstractRuleProvider
{
private int thirdRuleMatchCount = 0;
private int firstRuleMatchCount = 0;
private int secondRuleMatchCount = 0;
private int fourthRuleMatchCount = 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("org.jboss.windup.graph.model.resource.FileModel.setFilePath{*}").matchesSource("{*}/JavaHintsClassificationsTest.java{*}").inType("{*}").at(TypeReferenceLocation.METHOD_CALL))
.perform( Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
firstRuleMatchCount++;
}
}).endIteration())
.addRule()
.when(JavaClass.references("org.jboss.windup.rules.java.JavaClassTestFile1.testJavaClassCondition()").matchesSource("{*}{line}{*}").inType("{*}").at(TypeReferenceLocation.METHOD))
.perform( Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
secondRuleMatchCount++;
}
}).endIteration())
.where("line").matches("testJavaClassCondition\\(\\) throws IOException, InstantiationException")
.addRule()
.when(JavaClass.references("org.jboss.windup.exec.configuration.WindupConfiguration.setRuleProviderFilter{*}").matchesSource("{*}{line}{*}").at(TypeReferenceLocation.METHOD_CALL))
.perform( Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
thirdRuleMatchCount++;
}
}).endIteration())
.where("line").matches(".setRuleProviderFilter\\(new")
.addRule()
.when(JavaClass.references("org.jboss.windup.rules.java.JavaClassTestFile2").matchesSource("{*}{line}{*}").at(TypeReferenceLocation.TYPE))
.perform( Iteration.over().perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
fourthRuleMatchCount++;
}
}).endIteration())
.where("line").matches("public class JavaClassTestFile2")
;
}
// @formatter:on
public int getFirstRuleMatchCount()
{
return firstRuleMatchCount;
}
public int getSecondRuleMatchCount()
{
return secondRuleMatchCount;
}
public int getThirdRuleMatchCount()
{
return thirdRuleMatchCount;
}
public int getFourthRuleMatchCount()
{
return fourthRuleMatchCount;
}
}
}