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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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   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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  package org.apache.causeway.core.metamodel.facets.object.ident.title;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.mockito.Mockito;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  import org.apache.causeway.applib.annotation.Title;
  import org.apache.causeway.core.metamodel._testing.MetaModelContext_forTesting;
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.Mocking;
  import org.apache.causeway.core.metamodel.facets.object.title.annotation.TitleFacetViaTitleAnnotation;
  
  class TitleFacetViaTitleAnnotationTest {
  
      private Mocking mocking = new Mocking();
      MetaModelContext metaModelContext;
      FacetHolder mockFacetHolder;
  
      protected static class DomainObjectWithProblemInItsAnnotatedTitleMethod {
          @Title
          public String brokenTitle() { throw new NullPointerException(); }
      }
  
      protected static class NormalDomainObject {
          @Title(sequence = "1.0")
          public String titleElement1() { return "Normal"; }
          @Title(sequence = "2.0")
          public String titleElement2() { return "Domain"; }
          @Title(sequence = "3.0")
          public String titleElement3() { return "Object"; }
      }
  
      @BeforeEach
      void setUp() {
          metaModelContext = MetaModelContext_forTesting.builder()
                  .build();
  
          mockFacetHolder = Mockito.mock(FacetHolder.class);
      }
  
      @Test
      void title_happyCase() throws Exception {
  
          final TitleFacetViaTitleAnnotation facet =
                  (TitleFacetViaTitleAnnotation) TitleFacetViaTitleAnnotation
                  .create(NormalDomainObject.class, mockFacetHolder)
                  .orElse(null);
  
          final NormalDomainObject normalPojo = new NormalDomainObject();
  
          Mockito.when(mockFacetHolder.getMetaModelContext()).thenReturn(metaModelContext);
  
          var managedObject =
                  metaModelContext.getObjectManager().adapt(normalPojo);
  
          final String title = facet.title(managedObject);
          assertThat(title, is("Normal Domain Object"));
      }
  
      @Test
      void title_throwsException() {
  
          final TitleFacetViaTitleAnnotation facet =
                  (TitleFacetViaTitleAnnotation) TitleFacetViaTitleAnnotation
                  .create(DomainObjectWithProblemInItsAnnotatedTitleMethod.class, mockFacetHolder)
                  .orElse(null);
  
          final DomainObjectWithProblemInItsAnnotatedTitleMethod screwedPojo =
                  new DomainObjectWithProblemInItsAnnotatedTitleMethod();
  
          Mockito.when(mockFacetHolder.getMetaModelContext()).thenReturn(metaModelContext);
  
          var mockManagedObject = mocking.asViewmodel(screwedPojo);
  
          final String title = facet.title(mockManagedObject);
          assertThat(title, is("Failed Title"));
      }
  
  }
  