C# Edm.EdmModel类代码示例

        public void Configure_should_configure_inverse()
        {
            var inverseMockPropertyInfo = new MockPropertyInfo();
            var navigationPropertyConfiguration = new NavigationPropertyConfiguration(new MockPropertyInfo())
                                                      {
                                                          InverseNavigationProperty = inverseMockPropertyInfo
                                                      };
            var associationType = new EdmAssociationType().Initialize();
            var inverseAssociationType = new EdmAssociationType().Initialize();
            var model = new EdmModel().Initialize();
            model.AddAssociationType(inverseAssociationType);
            var inverseNavigationProperty
                = model.AddEntityType("T")
                    .AddNavigationProperty("N", inverseAssociationType);
            inverseNavigationProperty.SetClrPropertyInfo(inverseMockPropertyInfo);

            navigationPropertyConfiguration.Configure(
                new EdmNavigationProperty
                    {
                        Association = associationType
                    }, model, new EntityTypeConfiguration(typeof(object)));

            Assert.Same(associationType, inverseNavigationProperty.Association);
            Assert.Same(associationType.SourceEnd, inverseNavigationProperty.ResultEnd);
            Assert.Equal(0, model.GetAssociationTypes().Count());
        }

        public void MapComplexType_should_not_map_invalid_structural_type()
        {
            var model = new EdmModel().Initialize();
            var typeMapper = new TypeMapper(new MappingContext(new ModelConfiguration(), new ConventionsConfiguration(), model));

            Assert.Null(typeMapper.MapComplexType(typeof(string)));
        }

        public void Generate_should_correctly_map_string_primitive_property_facets()
        {
            var model = new EdmModel().Initialize();
            var entityType = model.AddEntityType("E");
            entityType.SetClrType(typeof(object));
            model.AddEntitySet("ESet", entityType);
            var property = entityType.AddPrimitiveProperty("P");
            property.PropertyType.EdmType = EdmPrimitiveType.String;

            property.PropertyType.IsNullable = false;
            property.PropertyType.PrimitiveTypeFacets.IsFixedLength = true;
            property.PropertyType.PrimitiveTypeFacets.IsMaxLength = true;
            property.PropertyType.PrimitiveTypeFacets.IsUnicode = true;
            property.PropertyType.PrimitiveTypeFacets.MaxLength = 42;
            property.PropertyType.PrimitiveTypeFacets.Precision = 23;
            property.PropertyType.PrimitiveTypeFacets.Scale = 77;
            property.SetStoreGeneratedPattern(DbStoreGeneratedPattern.Identity);

            var databaseMapping = new DatabaseMappingGenerator(ProviderRegistry.Sql2008_ProviderManifest).Generate(model);

            var column = databaseMapping.GetEntityTypeMapping(entityType).TypeMappingFragments.Single().PropertyMappings.Single().Column;

            Assert.False(column.IsNullable);
            Assert.Null(column.Facets.IsFixedLength);
            Assert.Equal(true, column.Facets.IsMaxLength);
            Assert.Null(column.Facets.IsUnicode);
            Assert.Equal(42, column.Facets.MaxLength);
            Assert.Null(column.Facets.Precision);
            Assert.Null(column.Facets.Scale);
            Assert.Equal(DbStoreGeneratedPattern.Identity, column.StoreGeneratedPattern);
        }

        public void GetClrTypes_should_return_ospace_types()
        {
            var model = new EdmModel().Initialize();
            model.AddEntityType("A").SetClrType(typeof(object));
            model.AddEntityType("B").SetClrType(typeof(string));

            Assert.Equal(2, model.GetClrTypes().Count());
        }

        public void Can_get_and_set_provider_info_annotation()
        {
            var model = new EdmModel();
            var providerInfo = ProviderRegistry.Sql2008_ProviderInfo;

            model.SetProviderInfo(providerInfo);

            Assert.Same(providerInfo, model.GetProviderInfo());
        }

        public void Apply_should_ignore_current_entity_set()
        {
            var model = new EdmModel().Initialize();
            var entitySet = model.AddEntitySet("Cats", new EdmEntityType());

            ((IEdmConvention<EdmEntitySet>)new PluralizingEntitySetNameConvention())
                .Apply(entitySet, model);

            Assert.Equal("Cats", entitySet.Name);
        }

        public void ApplyModel_should_run_model_conventions()
        {
            var model = new EdmModel().Initialize();
            var mockConvention = new Mock<IEdmConvention>();
            var conventionsConfiguration = new ConventionsConfiguration(new[] { mockConvention.Object });

            conventionsConfiguration.ApplyModel(model);

            mockConvention.Verify(c => c.Apply(model), Times.AtMostOnce());
        }

        public void Generate_should_initialize_mapping_model()
        {
            var model = new EdmModel().Initialize();

            var databaseMapping = new DatabaseMappingGenerator(ProviderRegistry.Sql2008_ProviderManifest).Generate(model);

            Assert.NotNull(databaseMapping);
            Assert.NotNull(databaseMapping.Database);
            Assert.Same(model.Containers.Single(), databaseMapping.EntityContainerMappings.Single().EntityContainer);
        }

        private static DbDatabaseMapping InitializeDatabaseMapping(EdmModel model)
        {
            //Contract.Requires(model != null);

            var databaseMapping = new DbDatabaseMapping().Initialize(
                model, new DbDatabaseMetadata().Initialize(model.Version));

            databaseMapping.EntityContainerMappings.Single().EntityContainer = model.Containers.Single();

            return databaseMapping;
        }

 private static void FixNavigationProperties(
     EdmModel model, EdmAssociationType unifiedAssociation, EdmAssociationType redundantAssociation)
 {
     foreach (var navigationProperty
         in model.GetEntityTypes()
             .SelectMany(e => e.NavigationProperties)
             .Where(np => np.Association == redundantAssociation))
     {
         navigationProperty.Association = unifiedAssociation;
         navigationProperty.ResultEnd = unifiedAssociation.SourceEnd;
     }
 }

        public DbDatabaseMapping Generate(EdmModel model)
        {
            //Contract.Requires(model != null);

            var databaseMapping = InitializeDatabaseMapping(model);

            GenerateEntityTypes(model, databaseMapping);
            GenerateDiscriminators(databaseMapping);
            GenerateAssociationTypes(model, databaseMapping);

            return databaseMapping;
        }

        public void MapComplexType_should_not_map_ignored_type()
        {
            var model = new EdmModel().Initialize();
            var mockModelConfiguration = new Mock<ModelConfiguration>();
            var typeMapper = new TypeMapper(new MappingContext(mockModelConfiguration.Object, new ConventionsConfiguration(), model));
            var mockType = new MockType("Foo");
            mockModelConfiguration.Setup(m => m.IsIgnoredType(mockType)).Returns(true);

            var complexType = typeMapper.MapComplexType(mockType);

            Assert.Null(complexType);
        }

        public void HasCascadeDeletePath_should_return_true_for_self_ref_cascade()
        {
            var model = new EdmModel().Initialize();
            var entityType = model.AddEntityType("A");
            var associationType = new EdmAssociationType().Initialize();
            associationType.SourceEnd.EntityType
                = associationType.TargetEnd.EntityType
                  = entityType;
            associationType.SourceEnd.DeleteAction = EdmOperationAction.Cascade;
            model.AddAssociationType(associationType);

            Assert.True(model.HasCascadeDeletePath(entityType, entityType));
        }

        public void Map_should_not_detect_arrays_as_collection_associations()
        {
            var modelConfiguration = new ModelConfiguration();
            var model = new EdmModel().Initialize();
            var entityType = new EdmEntityType();
            var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);

            new NavigationPropertyMapper(new TypeMapper(mappingContext))
                .Map(new MockPropertyInfo(typeof(NavigationPropertyMapperTests[]), "Nav"), entityType,
                    () => new EntityTypeConfiguration(typeof(object)));

            Assert.Equal(0, model.Namespaces.Single().AssociationTypes.Count);
        }

        public void Apply_is_noop_when_unknown_dependent()
        {
            var model = new EdmModel().Initialize();
            var associationType = new EdmAssociationType().Initialize();
            var navigationProperty = new EdmNavigationProperty { Association = associationType };
            var foreignKeyAnnotation = new ForeignKeyAttribute("AId");
            navigationProperty.Annotations.SetClrAttributes(new[] { foreignKeyAnnotation });

            ((IEdmConvention<EdmNavigationProperty>)new ForeignKeyNavigationPropertyAttributeConvention())
                .Apply(navigationProperty, model);

            Assert.Null(associationType.Constraint);
        }