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   *  Licensed to the Apache Software Foundation (ASF) under one
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   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
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   *
   *        http://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.causeway.core.metamodel.facets.properties.property;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.apache.causeway.applib.annotation.Optionality;
  import org.apache.causeway.applib.annotation.Property;
  import org.apache.causeway.core.metamodel.facetapi.Facet;
  import org.apache.causeway.core.metamodel.facets.FacetFactory;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryTestAbstract;
  import org.apache.causeway.core.metamodel.facets.objectvalue.mandatory.MandatoryFacet;
  import org.apache.causeway.core.metamodel.facets.properties.property.mandatory.MandatoryFacetForPropertyAnnotation;
  
  class MandatoryAnnotationFacetFactoryTest
  extends FacetFactoryTestAbstract {
  
      private PropertyAnnotationFacetFactory facetFactory;
  
      @BeforeEach
      protected void setUp() {
          facetFactory = new PropertyAnnotationFacetFactory(getMetaModelContext());
      }
  
      private void processOptional(
              final PropertyAnnotationFacetFactory facetFactory, final FacetFactory.ProcessMethodContext processMethodContext) {
          var propertyIfAny = processMethodContext.synthesizeOnMethod(Property.class);
          facetFactory.processOptional(processMethodContext, propertyIfAny);
      }
  
      @Test
      void mandatoryAnnotationPickedUpOnProperty() {
  
          class Customer {
              @Property(optionality = Optionality.MANDATORY)
              public String getFirstName() { return null; }
          }
          propertyScenario(Customer.class, "firstName", (processMethodContext, facetHolder, facetedMethod)->{
              // when
              processOptional(facetFactory, processMethodContext);
              // then
              final Facet facet = facetedMethod.getFacet(MandatoryFacet.class);
              assertNotNull(facet);
              assertTrue(facet instanceof MandatoryFacetForPropertyAnnotation);
          });
      }
  
  }
  