GivenJdoDiscriminatorAnnotationFacetFactoryTest.java

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package org.apache.isis.objectstore.jdo.metamodel.facets.object.discriminator;

import java.util.List;

import javax.jdo.annotations.Discriminator;
import javax.jdo.annotations.PersistenceCapable;

import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facets.FacetFactory;
import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecId;
import org.apache.isis.core.metamodel.facets.AbstractFacetFactoryTest;

public class GivenJdoDiscriminatorAnnotationFacetFactoryTest extends AbstractFacetFactoryTest {

    private JdoDiscriminatorAnnotationFacetFactory facetFactory;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        facetFactory = new JdoDiscriminatorAnnotationFacetFactory();
    }

    @Override
    protected void tearDown() throws Exception {
        facetFactory = null;
        super.tearDown();
    }

    public void testFeatureTypes() {
        final List<FeatureType> featureTypes = facetFactory.getFeatureTypes();
        assertTrue(contains(featureTypes, FeatureType.OBJECT));
        assertFalse(contains(featureTypes, FeatureType.PROPERTY));
        assertFalse(contains(featureTypes, FeatureType.COLLECTION));
        assertFalse(contains(featureTypes, FeatureType.ACTION));
        assertFalse(contains(featureTypes, FeatureType.ACTION_PARAMETER_SCALAR));
    }

    public void testDiscriminatorValueAnnotationPickedUpOnClass() {
        @Discriminator("CUS")
        class Customer {
        }

        facetFactory.process(new FacetFactory.ProcessClassContext(Customer.class, methodRemover, facetHolder));

        final Facet facet = facetHolder.getFacet(JdoDiscriminatorFacet.class);
        assertNotNull(facet);
        assertTrue(facet instanceof JdoDiscriminatorFacetDefault);
    }

    public void testObjectSpecIdAnnotationPickedUpOnClass() {
        @Discriminator("CUS")
        class Customer {
        }
        
        facetFactory.process(new FacetFactory.ProcessClassContext(Customer.class, methodRemover, facetHolder));
        
        final Facet facet = facetHolder.getFacet(ObjectSpecIdFacet.class);
        assertNotNull(facet);
        assertTrue(facet instanceof ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation);
    }
    
    public void testIfNoEntityAnnotationThenNoFacet() {

        class Customer {
        }

        facetFactory.process(new FacetFactory.ProcessClassContext(Customer.class, methodRemover, facetHolder));

        final Facet facet = facetHolder.getFacet(ObjectSpecIdFacet.class);
        assertNull(facet);
    }

    public void testAnnotationValue() {
        @Discriminator("CUS")
        class Customer {
        }

        facetFactory.process(new FacetFactory.ProcessClassContext(Customer.class, methodRemover, facetHolder));

        final ObjectSpecIdFacet discriminatorValueFacet = facetHolder.getFacet(ObjectSpecIdFacet.class);
        assertEquals(ObjectSpecId.of("CUS"), discriminatorValueFacet.value());
    }

    public void testNoMethodsRemoved() {
        @PersistenceCapable
        class Customer {
        }

        facetFactory.process(new FacetFactory.ProcessClassContext(Customer.class, methodRemover, facetHolder));

        assertNoMethodsRemoved();
    }
}