package org.jboss.windup.config.iteration;
import java.nio.file.Path;
import javax.inject.Inject;
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.forge.furnace.util.OperatingSystemUtils;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.windup.config.AbstractRuleProvider;
import org.jboss.windup.config.DefaultEvaluationContext;
import org.jboss.windup.config.GraphRewrite;
import org.jboss.windup.config.RuleSubset;
import org.jboss.windup.config.Variables;
import org.jboss.windup.config.loader.RuleLoaderContext;
import org.jboss.windup.config.metadata.RuleMetadata;
import org.jboss.windup.config.operation.GraphOperation;
import org.jboss.windup.config.operation.Iteration;
import org.jboss.windup.config.query.Query;
import org.jboss.windup.graph.GraphContext;
import org.jboss.windup.graph.GraphContextFactory;
import org.jboss.windup.graph.model.WindupConfigurationModel;
import org.jboss.windup.graph.service.FileService;
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;
import org.ocpsoft.rewrite.param.DefaultParameterValueStore;
import org.ocpsoft.rewrite.param.ParameterValueStore;
/**
* Testing the Iteration.over("list_variable") method along with Iteration.singleVariableIterationName().
*
* @author <a href="mailto:mbriskar@gmail.com">Matej Briskar</a>
*
*/
@RunWith(Arquillian.class)
public class RuleIterationOverDefaultSingleVariableTest
{
public static int TestSimple2ModelCounter = 0;
public static int TestSimple1ModelCounter = 0;
@Deployment
@AddonDependencies({
@AddonDependency(name = "org.jboss.windup.config:windup-config"),
@AddonDependency(name = "org.jboss.windup.graph:windup-graph"),
@AddonDependency(name = "org.jboss.windup.rules.apps:windup-rules-java"),
@AddonDependency(name = "org.jboss.forge.furnace.container:cdi")
})
public static AddonArchive getDeployment()
{
final AddonArchive archive = ShrinkWrap.create(AddonArchive.class)
.addBeansXML()
.addClasses(
TestRuleIterationOverDefaultSingleVariableProvider.class,
TestRuleIterationOverDefaultSingleVariableWithExceptionProvider.class,
TestSimple1Model.class,
TestSimple2Model.class);
return archive;
}
@Inject
private GraphContextFactory factory;
private static DefaultEvaluationContext createEvalContext(GraphRewrite event)
{
final DefaultEvaluationContext evaluationContext = new DefaultEvaluationContext();
final DefaultParameterValueStore values = new DefaultParameterValueStore();
evaluationContext.put(ParameterValueStore.class, values);
return evaluationContext;
}
@Test
public void testTypeSelection() throws Exception
{
final Path folder = OperatingSystemUtils.createTempDir().toPath();
try (final GraphContext context = factory.create(folder))
{
TestSimple1Model vertex = context.getFramed().addVertex(null, TestSimple1Model.class);
context.getFramed().addVertex(null, TestSimple2Model.class);
context.getFramed().addVertex(null, TestSimple2Model.class);
GraphRewrite event = new GraphRewrite(context);
DefaultEvaluationContext evaluationContext = createEvalContext(event);
WindupConfigurationModel windupCfg = context.getFramed().addVertex(null, WindupConfigurationModel.class);
FileService fileModelService = new FileService(context);
windupCfg.addInputPath(fileModelService.createByFilePath(OperatingSystemUtils.createTempDir()
.getAbsolutePath()));
TestRuleIterationOverDefaultSingleVariableProvider provider = new TestRuleIterationOverDefaultSingleVariableProvider();
Configuration configuration = provider.getConfiguration(null);
// this should call perform()
RuleSubset.create(configuration).perform(event, evaluationContext);
Assert.assertEquals(1, TestSimple1ModelCounter);
Assert.assertEquals(2, TestSimple2ModelCounter);
vertex.asVertex().remove();
// this should call otherwise()
RuleSubset.create(configuration).perform(event, evaluationContext);
Assert.assertEquals(1, TestSimple1ModelCounter);
Assert.assertEquals(4, TestSimple2ModelCounter);
}
}
/**
* @throws Exception because the provider tries to use a non-existent variable.
*/
@Test(expected = Exception.class)
public void testTypeSelectionWithException() throws Exception
{
final Path folder = OperatingSystemUtils.createTempDir().toPath();
try (final GraphContext context = factory.create(folder))
{
TestSimple1Model vertex = context.getFramed().addVertex(null, TestSimple1Model.class);
context.getFramed().addVertex(null, TestSimple2Model.class);
context.getFramed().addVertex(null, TestSimple2Model.class);
GraphRewrite event = new GraphRewrite(context);
DefaultEvaluationContext evaluationContext = createEvalContext(event);
WindupConfigurationModel windupCfg = context.getFramed().addVertex(null, WindupConfigurationModel.class);
FileService fileModelService = new FileService(context);
windupCfg.addInputPath(fileModelService
.createByFilePath(OperatingSystemUtils.createTempDir().getAbsolutePath()));
TestRuleIterationOverDefaultSingleVariableWithExceptionProvider provider = new TestRuleIterationOverDefaultSingleVariableWithExceptionProvider();
Configuration configuration = provider.getConfiguration(null);
// this should call perform()
RuleSubset.create(configuration).perform(event, evaluationContext);
}
}
@RuleMetadata
public class TestRuleIterationOverDefaultSingleVariableProvider extends AbstractRuleProvider
{
// @formatter:off
@Override
public Configuration getConfiguration(RuleLoaderContext ruleLoaderContext)
{
Configuration configuration = ConfigurationBuilder.begin()
.addRule()
.when(Query.fromType(TestSimple2Model.class).as("list_variable"))
.perform(Iteration
.over("list_variable")
.perform(new GraphOperation()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context)
{
Variables varStack = Variables.instance(event);
TestSimple2Model singleVariable =
Iteration.getCurrentPayload(
varStack,
TestSimple2Model.class,
Iteration.singleVariableIterationName("list_variable"));
if (singleVariable != null)
{
TestSimple2ModelCounter++;
}
}
})
.endIteration()
)
.addRule()
.when(Query.fromType(TestSimple1Model.class).as("list_variable"))
.perform(Iteration
.over("list_variable")
.perform(new GraphOperation()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context)
{
Variables varStack = Variables.instance(event);
TestSimple1Model singleVariable =
Iteration.getCurrentPayload(
varStack,
TestSimple1Model.class,
Iteration.singleVariableIterationName("list_variable"));
if (singleVariable != null)
{
TestSimple1ModelCounter++;
}
}
})
.endIteration()
);
return configuration;
}
// @formatter:on
}
@RuleMetadata(haltOnException = true)
public class TestRuleIterationOverDefaultSingleVariableWithExceptionProvider extends AbstractRuleProvider
{
// @formatter:off
@Override
public Configuration getConfiguration(RuleLoaderContext ruleLoaderContext)
{
Configuration configuration = ConfigurationBuilder.begin()
.addRule()
.when(Query.fromType(TestSimple2Model.class).as("list_variable"))
.perform(Iteration
.over("list_variable")
.perform(new GraphOperation()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context)
{
Variables varStack = Variables.instance(event);
TestSimple2Model singleVariable =
Iteration.getCurrentPayload(
varStack,
TestSimple2Model.class,
Iteration.singleVariableIterationName("list_var"));
}
})
.endIteration()
);
return configuration;
}
// @formatter:on
}
}