public void Navigation_back_pointer_is_fixed_up_as_navigation_is_added_and_removed() { var entityType1 = new EntityType(typeof(Customer)); entityType1.SetKey(entityType1.AddProperty(Customer.IdProperty)); var entityType2 = new EntityType(typeof(Customer)); var navigation = new Navigation( new ForeignKey( entityType1.GetKey(), new[] { entityType1.AddProperty(Customer.IdProperty) }), "Nav"); entityType1.AddNavigation(navigation); Assert.Same(entityType1, navigation.EntityType); entityType2.AddNavigation(navigation); Assert.Same(entityType2, navigation.EntityType); Assert.Empty(entityType1.Navigations); entityType2.RemoveNavigation(navigation); Assert.Empty(entityType2.Navigations); Assert.Null(navigation.EntityType); }
public void Delegate_getter_is_cached_by_type_and_property_name() { var entityType = new EntityType(typeof(MyEntity)); var navigation = entityType.AddNavigation(new Navigation(Mock.Of <ForeignKey>(), "AsICollection")); var source = new ClrCollectionAccessorSource(); Assert.Same(source.GetAccessor(navigation), source.GetAccessor(navigation)); }
private static Navigation CreateNavigation(string navigationName) { var entityType = new EntityType(typeof(MyEntity)); var otherType = new EntityType(typeof(MyOtherEntity)); var foreignKey = otherType.GetOrAddForeignKey( entityType.GetOrSetPrimaryKey(entityType.GetOrAddProperty("Id", typeof(int), shadowProperty: true)), otherType.GetOrAddProperty("MyEntityId", typeof(int), shadowProperty: true)); return(entityType.AddNavigation(new Navigation(foreignKey, navigationName, pointsToPrincipal: false))); }
private static Model BuildModel() { var model = new Model(); var entityType = new EntityType(typeof(Banana)); var pkProperty = entityType.GetOrAddProperty("Id", typeof(int)); var fkProperty = entityType.GetOrAddProperty("Fk", typeof(int)); entityType.GetOrSetPrimaryKey(pkProperty); var fk = entityType.GetOrAddForeignKey(entityType.GetPrimaryKey(), fkProperty); entityType.GetOrAddProperty("Name", typeof(string)); model.AddEntityType(entityType); entityType.AddNavigation(new Navigation(fk, "LesserBananas", pointsToPrincipal: false)); entityType.AddNavigation(new Navigation(fk, "TopBanana", pointsToPrincipal: true)); return(model); }
private static void CloneNavigations(IEntityType sourceEntityType, EntityType targetEntityType) { foreach (var navigation in sourceEntityType.GetDeclaredNavigations()) { var targetDependentEntityType = targetEntityType.Model.GetEntityType(navigation.ForeignKey.DeclaringEntityType.Name); var targetForeignKey = targetDependentEntityType.GetForeignKey( navigation.ForeignKey.Properties.Select(p => targetDependentEntityType.GetProperty(p.Name)).ToList()); var clonedNavigation = targetEntityType.AddNavigation(navigation.Name, targetForeignKey, pointsToPrincipal: navigation.PointsToPrincipal()); navigation.Annotations.ForEach(annotation => clonedNavigation[annotation.Name] = annotation.Value); } }
public void Can_add_navigations() { var entityType = new EntityType(typeof(Order)); var navigation = new Navigation(new Mock <ForeignKey>().Object, "Milk"); entityType.AddNavigation(navigation); Assert.Same(navigation, entityType.Navigations.Single()); Assert.Same(entityType, navigation.EntityType); }
public void Delegate_getter_is_cached_by_type_and_property_name() { var entityType = new EntityType(typeof(MyEntity)); var otherType = new EntityType(typeof(MyOtherEntity)); var foreignKey = otherType.GetOrAddForeignKey( entityType.GetOrSetPrimaryKey(entityType.GetOrAddProperty("Id", typeof(int), shadowProperty: true)), otherType.GetOrAddProperty("MyEntityId", typeof(int), shadowProperty: true)); var navigation = entityType.AddNavigation(new Navigation(foreignKey, "AsICollection", pointsToPrincipal: false)); var source = new ClrCollectionAccessorSource(); Assert.Same(source.GetAccessor(navigation), source.GetAccessor(navigation)); }
private static void AccessorTest(string navigationName, Func <MyEntity, IEnumerable <Random> > reader) { var entityType = new EntityType(typeof(MyEntity)); var navigation = entityType.AddNavigation(new Navigation(Mock.Of <ForeignKey>(), navigationName)); var accessor = new ClrCollectionAccessorSource().GetAccessor(navigation); var entity = new MyEntity(); var value = new Random(); Assert.False(accessor.Contains(entity, value)); Assert.DoesNotThrow(() => accessor.Remove(entity, value)); accessor.Add(entity, value); Assert.True(accessor.Contains(entity, value)); Assert.Equal(1, reader(entity).Count()); accessor.Remove(entity, value); Assert.False(accessor.Contains(entity, value)); Assert.Equal(0, reader(entity).Count()); }
private static IModel BuildModel() { var model = new Model(); var builder = new BasicModelBuilder(model); builder.Annotation("ModelAnnotation1", "ModelValue1"); builder.Annotation("ModelAnnotation2", "ModelValue2"); var entityType1 = new EntityType(typeof(KoolEntity1)); var property = entityType1.GetOrAddProperty("Id1", typeof(int)); entityType1.GetOrSetPrimaryKey(property); entityType1.GetOrAddProperty("Id2", typeof(Guid)); entityType1.GetOrAddProperty("KoolEntity2Id", typeof(int)); model.AddEntityType(entityType1); var entityType2 = new EntityType(typeof(KoolEntity2)); entityType2.GetOrAddProperty("KoolEntity1Id1", typeof(int)); entityType2.GetOrAddProperty("KoolEntity1Id2", typeof(Guid)); entityType2.GetOrAddProperty("KoolEntity3Id", typeof(int)); model.AddEntityType(entityType2); var entityType3 = new EntityType(typeof(KoolEntity3)); entityType3.GetOrAddProperty("KoolEntity4Id", typeof(int)); model.AddEntityType(entityType3); var entityType4 = new EntityType(typeof(KoolEntity4)); model.AddEntityType(entityType4); var entityType5 = new EntityType(typeof(KoolEntity5)); model.AddEntityType(entityType5); var entityType6 = new EntityType(typeof(KoolEntity6)); entityType6.GetOrAddProperty("Kool5Id", typeof(int)); model.AddEntityType(entityType6); for (var i = 7; i <= 20; i++) { var type = Type.GetType("Microsoft.Data.Entity.FunctionalTests.Metadata.KoolEntity" + i); Assert.NotNull(type); model.AddEntityType(new EntityType(type)); } for (var i = 2; i <= 20; i++) { var type = Type.GetType("Microsoft.Data.Entity.FunctionalTests.Metadata.KoolEntity" + i); var entityType = model.GetEntityType(type); var id = entityType.GetOrAddProperty(entityType.Type.GetProperty("Id")); entityType.GetOrSetPrimaryKey(id); } for (var i = 1; i <= 20; i++) { var type = Type.GetType("Microsoft.Data.Entity.FunctionalTests.Metadata.KoolEntity" + i); var entityType = model.GetEntityType(type); entityType.Annotations.Add(new Annotation("Annotation1", "Value1")); entityType.Annotations.Add(new Annotation("Annotation2", "Value2")); var foo = entityType.GetOrAddProperty(entityType.Type.GetProperty("Foo" + i)); foo.Annotations.Add(new Annotation("Foo" + i + "Annotation1", "Foo" + i + "Value1")); foo.Annotations.Add(new Annotation("Foo" + i + "Annotation2", "Foo" + i + "Value2")); var goo = entityType.GetOrAddProperty(entityType.Type.GetProperty("Goo" + i)); } var fk11 = entityType1.GetOrAddForeignKey(entityType2.GetPrimaryKey(), new[] { entityType1.GetProperty("KoolEntity2Id") }); var fk21 = entityType2.GetOrAddForeignKey(entityType1.GetPrimaryKey(), new[] { entityType2.GetProperty("KoolEntity1Id1") }); var fk22 = entityType2.GetOrAddForeignKey(entityType3.GetPrimaryKey(), new[] { entityType2.GetProperty("KoolEntity3Id") }); var fk31 = entityType3.GetOrAddForeignKey(entityType4.GetPrimaryKey(), new[] { entityType3.GetProperty("KoolEntity4Id") }); var fk61 = entityType6.GetOrAddForeignKey(entityType5.GetPrimaryKey(), new[] { entityType6.GetProperty("Kool5Id") }); entityType1.AddNavigation(new Navigation(fk11, "NavTo2", pointsToPrincipal: true)); entityType1.AddNavigation(new Navigation(fk21, "NavTo2s", pointsToPrincipal: false)); entityType2.AddNavigation(new Navigation(fk21, "NavTo1", pointsToPrincipal: true)); entityType2.AddNavigation(new Navigation(fk11, "NavTo1s", pointsToPrincipal: false)); entityType2.AddNavigation(new Navigation(fk22, "NavTo3", pointsToPrincipal: true)); entityType3.AddNavigation(new Navigation(fk22, "NavTo2s", pointsToPrincipal: false)); entityType3.AddNavigation(new Navigation(fk31, "NavTo4", pointsToPrincipal: true)); entityType4.AddNavigation(new Navigation(fk31, "NavTo3s", pointsToPrincipal: false)); entityType5.AddNavigation(new Navigation(fk61, "Kool6s", pointsToPrincipal: false)); entityType6.AddNavigation(new Navigation(fk61, "Kool5", pointsToPrincipal: true)); return(model); }
public void Navigations_are_ordered_by_name() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var customerForeignKeyProperty = orderType.AddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.AddForeignKey(customerForeignKeyProperty, customerKey); var specialOrderType = new EntityType(typeof(SpecialOrder), new Model()); var specialCustomerForeignKeyProperty = specialOrderType.AddProperty(Order.CustomerIdProperty); var specialCustomerForeignKey = specialOrderType.AddForeignKey(specialCustomerForeignKeyProperty, customerKey); var navigation2 = customerType.AddNavigation("Orders", customerForeignKey, pointsToPrincipal: false); var navigation1 = customerType.AddNavigation("DerivedOrders", specialCustomerForeignKey, pointsToPrincipal: false); Assert.True(new[] { navigation1, navigation2 }.SequenceEqual(customerType.Navigations)); }
private static Model BuildModel() { var model = new Model(); var entityType = new EntityType(typeof(Banana)); var pkProperty = entityType.AddProperty("Id", typeof(int)); var fkProperty = entityType.AddProperty("Fk", typeof(int)); entityType.SetKey(pkProperty); var fk = entityType.AddForeignKey(entityType.GetKey(), fkProperty); entityType.AddProperty("Name", typeof(string)); model.AddEntityType(entityType); entityType.AddNavigation(new Navigation(fk, "LesserBananas", pointsToPrincipal: false)); entityType.AddNavigation(new Navigation(fk, "TopBanana", pointsToPrincipal: true)); return model; }
public void Can_add_and_remove_navigations() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); Assert.Null(orderType.RemoveNavigation(new Navigation("Customer", customerForeignKey, pointsToPrincipal: true))); var customerNavigation = orderType.AddNavigation("Customer", customerForeignKey, pointsToPrincipal: true); var ordersNavigation = customerType.AddNavigation("Orders", customerForeignKey, pointsToPrincipal: false); Assert.Equal("Customer", customerNavigation.Name); Assert.Same(orderType, customerNavigation.EntityType); Assert.Same(customerForeignKey, customerNavigation.ForeignKey); Assert.True(customerNavigation.PointsToPrincipal); Assert.False(customerNavigation.IsCollection()); Assert.Same(customerType, customerNavigation.GetTargetType()); Assert.Same(customerNavigation, customerForeignKey.GetNavigationToPrincipal()); Assert.Equal("Orders", ordersNavigation.Name); Assert.Same(customerType, ordersNavigation.EntityType); Assert.Same(customerForeignKey, ordersNavigation.ForeignKey); Assert.False(ordersNavigation.PointsToPrincipal); Assert.True(ordersNavigation.IsCollection()); Assert.Same(orderType, ordersNavigation.GetTargetType()); Assert.Same(ordersNavigation, customerForeignKey.GetNavigationToDependent()); Assert.Same(customerNavigation, orderType.Navigations.Single()); Assert.Same(ordersNavigation, customerType.Navigations.Single()); Assert.Same(customerNavigation, orderType.RemoveNavigation(customerNavigation)); Assert.Null(orderType.RemoveNavigation(customerNavigation)); Assert.Empty(orderType.Navigations); Assert.Same(ordersNavigation, customerType.RemoveNavigation(new Navigation("Orders", customerForeignKey, pointsToPrincipal: false))); Assert.Empty(customerType.Navigations); }
public void Adding_a_navigation_that_belongs_to_a_different_type_throws() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); Assert.Equal( Strings.NavigationAlreadyOwned("Customer", typeof(Customer).FullName, typeof(Order).FullName), Assert.Throws<InvalidOperationException>(() => customerType.AddNavigation("Customer", customerForeignKey, pointsToPrincipal: true)).Message); }
private static IModel BuildModel() { var model = new Model(); var builder = new ModelBuilder(model); builder.Annotation("ModelAnnotation1", "ModelValue1"); builder.Annotation("ModelAnnotation2", "ModelValue2"); var entityType1 = new EntityType(typeof(KoolEntity1)); var property = entityType1.AddProperty("Id1", typeof(int)); entityType1.SetKey(property); entityType1.AddProperty("Id2", typeof(Guid)); entityType1.AddProperty("KoolEntity2Id", typeof(int)); model.AddEntityType(entityType1); var entityType2 = new EntityType(typeof(KoolEntity2)); entityType2.AddProperty("KoolEntity1Id1", typeof(int)); entityType2.AddProperty("KoolEntity1Id2", typeof(Guid)); entityType2.AddProperty("KoolEntity3Id", typeof(int)); model.AddEntityType(entityType2); var entityType3 = new EntityType(typeof(KoolEntity3)); entityType3.AddProperty("KoolEntity4Id", typeof(int)); model.AddEntityType(entityType3); var entityType4 = new EntityType(typeof(KoolEntity4)); model.AddEntityType(entityType4); var entityType5 = new EntityType(typeof(KoolEntity5)); model.AddEntityType(entityType5); var entityType6 = new EntityType(typeof(KoolEntity6)); entityType6.AddProperty("Kool5Id", typeof(int)); model.AddEntityType(entityType6); for (var i = 7; i <= 20; i++) { var type = Type.GetType("Microsoft.Data.Entity.FunctionalTests.Metadata.KoolEntity" + i); Assert.NotNull(type); model.AddEntityType(new EntityType(type)); } for (var i = 2; i <= 20; i++) { var type = Type.GetType("Microsoft.Data.Entity.FunctionalTests.Metadata.KoolEntity" + i); var entityType = model.GetEntityType(type); var id = entityType.AddProperty(entityType.Type.GetProperty("Id")); entityType.SetKey(id); } for (var i = 1; i <= 20; i++) { var type = Type.GetType("Microsoft.Data.Entity.FunctionalTests.Metadata.KoolEntity" + i); var entityType = model.GetEntityType(type); entityType.Annotations.Add(new Annotation("Annotation1", "Value1")); entityType.Annotations.Add(new Annotation("Annotation2", "Value2")); var foo = entityType.AddProperty(entityType.Type.GetProperty("Foo" + i)); foo.Annotations.Add(new Annotation("Foo" + i + "Annotation1", "Foo" + i + "Value1")); foo.Annotations.Add(new Annotation("Foo" + i + "Annotation2", "Foo" + i + "Value2")); var goo = entityType.AddProperty(entityType.Type.GetProperty("Goo" + i)); } var fk11 = entityType1.AddForeignKey(entityType2.GetKey(), new[] { entityType1.GetProperty("KoolEntity2Id") }); var fk21 = entityType2.AddForeignKey(entityType1.GetKey(), new[] { entityType2.GetProperty("KoolEntity1Id1") }); var fk22 = entityType2.AddForeignKey(entityType3.GetKey(), new[] { entityType2.GetProperty("KoolEntity3Id") }); var fk31 = entityType3.AddForeignKey(entityType4.GetKey(), new[] { entityType3.GetProperty("KoolEntity4Id") }); var fk61 = entityType6.AddForeignKey(entityType5.GetKey(), new[] { entityType6.GetProperty("Kool5Id") }); entityType1.AddNavigation(new Navigation(fk11, "NavTo2", pointsToPrincipal: true)); entityType1.AddNavigation(new Navigation(fk21, "NavTo2s", pointsToPrincipal: false)); entityType2.AddNavigation(new Navigation(fk21, "NavTo1", pointsToPrincipal: true)); entityType2.AddNavigation(new Navigation(fk11, "NavTo1s", pointsToPrincipal: false)); entityType2.AddNavigation(new Navigation(fk22, "NavTo3", pointsToPrincipal: true)); entityType3.AddNavigation(new Navigation(fk22, "NavTo2s", pointsToPrincipal: false)); entityType3.AddNavigation(new Navigation(fk31, "NavTo4", pointsToPrincipal: true)); entityType4.AddNavigation(new Navigation(fk31, "NavTo3s", pointsToPrincipal: false)); entityType5.AddNavigation(new Navigation(fk61, "Kool6s", pointsToPrincipal: false)); entityType6.AddNavigation(new Navigation(fk61, "Kool5", pointsToPrincipal: true)); return model; }
public void Navigation_back_pointer_is_fixed_up_as_navigation_is_added_and_removed() { var entityType1 = new EntityType(typeof(Customer)); entityType1.SetKey(entityType1.AddProperty(Customer.IdProperty)); var entityType2 = new EntityType(typeof(Customer)); var navigation = new Navigation( new ForeignKey( entityType1.GetKey(), new[] { entityType1.AddProperty(Customer.IdProperty) }), "Nav", pointsToPrincipal: true); entityType1.AddNavigation(navigation); Assert.Same(entityType1, navigation.EntityType); entityType2.AddNavigation(navigation); Assert.Same(entityType2, navigation.EntityType); Assert.Empty(entityType1.Navigations); entityType2.RemoveNavigation(navigation); Assert.Empty(entityType2.Navigations); Assert.Null(navigation.EntityType); }
public void Multiple_sets_of_navigations_using_the_same_foreign_key_are_not_allowed() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); customerType.AddNavigation("EnumerableOrders", customerForeignKey, pointsToPrincipal: false); Assert.Equal( Strings.MultipleNavigations("Orders", "EnumerableOrders", typeof(Customer).FullName), Assert.Throws<InvalidOperationException>( () => customerType.AddNavigation("Orders", customerForeignKey, pointsToPrincipal: false)).Message); }
public void Reference_navigation_properties_must_be_of_the_target_type() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); Assert.Equal( Strings.NavigationSingleWrongClrType("OrderCustomer", typeof(Order).FullName, typeof(Order).FullName, typeof(Customer).FullName), Assert.Throws<InvalidOperationException>( () => orderType.AddNavigation("OrderCustomer", customerForeignKey, pointsToPrincipal: true)).Message); Assert.Equal( Strings.NavigationSingleWrongClrType("DerivedCustomer", typeof(Order).FullName, typeof(SpecialCustomer).FullName, typeof(Customer).FullName), Assert.Throws<InvalidOperationException>( () => orderType.AddNavigation("DerivedCustomer", customerForeignKey, pointsToPrincipal: true)).Message); }
public void Collection_navigation_properties_must_be_IEnumerables_of_the_target_type() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); Assert.Equal( Strings.NavigationCollectionWrongClrType("NotCollectionOrders", typeof(Customer).FullName, typeof(Order).FullName, typeof(Order).FullName), Assert.Throws<InvalidOperationException>( () => customerType.AddNavigation("NotCollectionOrders", customerForeignKey, pointsToPrincipal: false)).Message); Assert.Equal( Strings.NavigationCollectionWrongClrType("DerivedOrders", typeof(Customer).FullName, typeof(IEnumerable<SpecialOrder>).FullName, typeof(Order).FullName), Assert.Throws<InvalidOperationException>( () => customerType.AddNavigation("DerivedOrders", customerForeignKey, pointsToPrincipal: false)).Message); }
public void Adding_a_navigation_that_doesnt_match_a_CLR_property_throws() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); Assert.Equal( Strings.NoClrNavigation("Snook", typeof(Order).FullName), Assert.Throws<InvalidOperationException>( () => orderType.AddNavigation("Snook", customerForeignKey, pointsToPrincipal: true)).Message); }
public void Adding_a_navigation_pointing_to_a_shadow_entity_type_throws() { var customerType = new EntityType("Customer", new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty("Id", typeof(int), shadowProperty: true)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty("CustomerId", typeof(int), shadowProperty: true); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); Assert.Equal( Strings.NavigationToShadowEntity("Customer", typeof(Order).FullName, "Customer"), Assert.Throws<InvalidOperationException>( () => orderType.AddNavigation("Customer", customerForeignKey, pointsToPrincipal: true)).Message); }
public void Can_add_navigations() { var entityType = new EntityType(typeof(Order)); var navigation = new Navigation(new Mock<ForeignKey>().Object, "Milk", pointsToPrincipal: true); entityType.AddNavigation(navigation); Assert.Same(navigation, entityType.Navigations.Single()); Assert.Same(entityType, navigation.EntityType); }
public void Adding_a_new_navigation_with_a_name_that_already_exists_throws() { var customerType = new EntityType(typeof(Customer), new Model()); var customerKey = customerType.GetOrAddKey(customerType.GetOrAddProperty(Customer.IdProperty)); var orderType = new EntityType(typeof(Order), new Model()); var foreignKeyProperty = orderType.GetOrAddProperty(Order.CustomerIdProperty); var customerForeignKey = orderType.GetOrAddForeignKey(foreignKeyProperty, customerKey); orderType.AddNavigation("Customer", customerForeignKey, pointsToPrincipal: true); Assert.Equal( Strings.DuplicateNavigation("Customer", typeof(Order).FullName), Assert.Throws<InvalidOperationException>( () => orderType.AddNavigation("Customer", customerForeignKey, pointsToPrincipal: true)).Message); }