JavaxValidationDigitsAnnotationFacetFactoryTest.java

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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.isis.core.metamodel.facets.propparam.decimal;

import java.lang.reflect.Method;
import java.math.BigDecimal;

import org.apache.isis.core.metamodel.facetapi.Facet;
import org.apache.isis.core.metamodel.facets.FacetFactory.ProcessMethodContext;
import org.apache.isis.core.metamodel.facets.FacetFactory.ProcessParameterContext;
import org.apache.isis.core.metamodel.facets.AbstractFacetFactoryTest;
import org.apache.isis.core.metamodel.facets.param.bigdecimal.javaxvaldigits.BigDecimalFacetOnParameterFromJavaxValidationAnnotationFactory;
import org.apache.isis.core.metamodel.facets.param.bigdecimal.javaxvaldigits.BigDecimalFacetOnParameterFromJavaxValidationDigitsAnnotation;
import org.apache.isis.core.metamodel.facets.properties.bigdecimal.javaxvaldigits.BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotationFactory;
import org.apache.isis.core.metamodel.facets.properties.bigdecimal.javaxvaldigits.BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotation;
import org.apache.isis.core.metamodel.facets.value.bigdecimal.BigDecimalValueFacet;

public class JavaxValidationDigitsAnnotationFacetFactoryTest extends AbstractFacetFactoryTest {

    public void testAnnotationPickedUpOnProperty() {
        final BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotationFactory facetFactory = new BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotationFactory();

        class Order {
            @SuppressWarnings("unused")
            @javax.validation.constraints.Digits(integer=14, fraction=4)
            public BigDecimal getCost() {
                return null;
            }
        }
        final Method method = findMethod(Order.class, "getCost");

        facetFactory.process(new ProcessMethodContext(Order.class, null, null, method, methodRemover, facetedMethod));

        final Facet facet = facetedMethod.getFacet(BigDecimalValueFacet.class);
        assertNotNull(facet);
        assertTrue(facet instanceof BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotation);
        final BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotation annotation = (BigDecimalFacetOnPropertyFromJavaxValidationDigitsAnnotation) facet;
        assertEquals(new Integer(18), annotation.getLength());
        assertEquals(new Integer(4), annotation.getScale());
    }

    public void testAnnotationPickedUpOnActionParameter() {
        final BigDecimalFacetOnParameterFromJavaxValidationAnnotationFactory facetFactory = new BigDecimalFacetOnParameterFromJavaxValidationAnnotationFactory();

        class Order {
            @SuppressWarnings("unused")
            public void updateCost(
                    @javax.validation.constraints.Digits(integer=14, fraction=4) 
                    final BigDecimal cost) {
            }
        }
        final Method method = findMethod(Order.class, "updateCost", new Class[] { BigDecimal.class });

        facetFactory.processParams(new ProcessParameterContext(Customer.class, method, 0, null, facetedMethodParameter));

        final Facet facet = facetedMethodParameter.getFacet(BigDecimalValueFacet.class);
        assertNotNull(facet);
        assertTrue(facet instanceof BigDecimalFacetOnParameterFromJavaxValidationDigitsAnnotation);
        final BigDecimalFacetOnParameterFromJavaxValidationDigitsAnnotation annotation = (BigDecimalFacetOnParameterFromJavaxValidationDigitsAnnotation) facet;
        assertEquals(new Integer(18), annotation.getLength());
        assertEquals(new Integer(4), annotation.getScale());
    }

}