public void CreateValidators_DoesNotAddDuplicateRequiredAttribute_ForIsRequiredTrue()
        {
            // Arrange
            var provider = new DataAnnotationsClientModelValidatorProvider(
                new ValidationAttributeAdapterProvider(),
                Options.Create(new MvcDataAnnotationsLocalizationOptions()),
                stringLocalizerFactory: null);

            var metadata = _metadataProvider.GetMetadataForProperty(
                typeof(DummyRequiredAttributeHelperClass),
                nameof(DummyRequiredAttributeHelperClass.ValueTypeWithoutAttribute));

            var items = GetValidatorItems(metadata);
            var expectedValidatorItem = new ClientValidatorItem
            {
                Validator  = new RequiredAttributeAdapter(new RequiredAttribute(), stringLocalizer: null),
                IsReusable = true
            };

            items.Add(expectedValidatorItem);

            var providerContext = new ClientValidatorProviderContext(metadata, items);

            // Act
            provider.CreateValidators(providerContext);

            // Assert
            var validatorItem = Assert.Single(providerContext.Results);

            Assert.Same(expectedValidatorItem.Validator, validatorItem.Validator);
        }
        public void UnknownValidationAttribute_IsNotAddedAsValidator()
        {
            // Arrange
            var provider = new DataAnnotationsClientModelValidatorProvider(
                new ValidationAttributeAdapterProvider(),
                Options.Create(new MvcDataAnnotationsLocalizationOptions()),
                stringLocalizerFactory: null);
            var metadata = _metadataProvider.GetMetadataForType(typeof(DummyClassWithDummyValidationAttribute));

            var providerContext = new ClientValidatorProviderContext(metadata, GetValidatorItems(metadata));

            // Act
            provider.CreateValidators(providerContext);

            // Assert
            var validatorItem = Assert.Single(providerContext.Results);

            Assert.Null(validatorItem.Validator);
        }
        public void CreateValidators_DoesNotAddRequiredAttribute_ForIsRequiredFalse()
        {
            // Arrange
            var provider = new DataAnnotationsClientModelValidatorProvider(
                new ValidationAttributeAdapterProvider(),
                Options.Create(new MvcDataAnnotationsLocalizationOptions()),
                stringLocalizerFactory: null);

            var metadata = _metadataProvider.GetMetadataForProperty(
                typeof(DummyRequiredAttributeHelperClass),
                nameof(DummyRequiredAttributeHelperClass.ReferenceTypeWithoutAttribute));

            var providerContext = new ClientValidatorProviderContext(metadata, GetValidatorItems(metadata));

            // Act
            provider.CreateValidators(providerContext);

            // Assert
            Assert.Empty(providerContext.Results);
        }
        public void CreateValidators_AddsRequiredAttribute_ForIsRequiredTrue()
        {
            // Arrange
            var provider = new DataAnnotationsClientModelValidatorProvider(
                new ValidationAttributeAdapterProvider(),
                Options.Create(new MvcDataAnnotationsLocalizationOptions()),
                stringLocalizerFactory: null);

            var metadata = _metadataProvider.GetMetadataForProperty(
                typeof(DummyRequiredAttributeHelperClass),
                nameof(DummyRequiredAttributeHelperClass.ValueTypeWithoutAttribute));

            var providerContext = new ClientValidatorProviderContext(metadata, GetValidatorItems(metadata));

            // Act
            provider.CreateValidators(providerContext);

            // Assert
            var validatorItem = Assert.Single(providerContext.Results);

            Assert.IsType <RequiredAttributeAdapter>(validatorItem.Validator);
        }
        public void CreateValidators_DoesNotAddExtraRequiredAttribute_IfAttributeIsSpecifiedExplicitly()
        {
            // Arrange
            var provider = new DataAnnotationsClientModelValidatorProvider(
                new ValidationAttributeAdapterProvider(),
                Options.Create(new MvcDataAnnotationsLocalizationOptions()),
                stringLocalizerFactory: null);

            var metadata = _metadataProvider.GetMetadataForProperty(
                typeof(DummyRequiredAttributeHelperClass),
                nameof(DummyRequiredAttributeHelperClass.WithAttribute));

            var providerContext = new ClientValidatorProviderContext(metadata, GetValidatorItems(metadata));

            // Act
            provider.CreateValidators(providerContext);

            // Assert
            var validatorItem = Assert.Single(providerContext.Results);
            var adapter       = Assert.IsType <RequiredAttributeAdapter>(validatorItem.Validator);

            Assert.Equal("Custom Required Message", adapter.Attribute.ErrorMessage);
        }