public void Validate_ShortCircuits_IfModelStateHasReachedMaxNumberOfErrors()
{
// Arrange
var model = new ValidateAllPropertiesModel
{
RequiredString = null /* error */,
RangedInt = 0 /* error */,
ValidString = "cat" /* error */
};
var modelMetadata = GetModelMetadata(model);
var node = new ModelValidationNode(modelMetadata, "theKey")
{
ValidateAllProperties = true
};
var context = CreateContext(modelMetadata);
context.ModelState.MaxAllowedErrors = 3;
context.ModelState.AddModelError("somekey", "error text");
// Act
node.Validate(context);
// Assert
Assert.Equal(3, context.ModelState.Count);
Assert.IsType <TooManyModelErrorsException>(context.ModelState[""].Errors[0].Exception);
Assert.Equal(ValidationAttributeUtil.GetRequiredErrorMessage("RequiredString"),
context.ModelState["theKey.RequiredString"].Errors[0].ErrorMessage);
Assert.False(context.ModelState.ContainsKey("theKey.RangedInt"));
Assert.False(context.ModelState.ContainsKey("theKey.ValidString"));
}
public void ProcessDto_RequiredFieldMissing_RaisesModelError()
{
// Arrange
var model = new ModelWithRequired();
var containerMetadata = GetMetadataForObject(model);
var bindingContext = CreateContext(containerMetadata);
// Set no properties though Age (a non-Nullable struct) and City (a class) properties are required.
var dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.ProcessDto(bindingContext, dto);
// Assert
var modelStateDictionary = bindingContext.ModelState;
Assert.Equal(false, modelStateDictionary.IsValid);
Assert.Equal(2, modelStateDictionary.Count);
// Check Age error.
ModelState modelState;
Assert.True(modelStateDictionary.TryGetValue("theModel.Age", out modelState));
Assert.Equal(1, modelState.Errors.Count);
var modelError = modelState.Errors[0];
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
var expected = ValidationAttributeUtil.GetRequiredErrorMessage(nameof(ModelWithRequired.Age));
Assert.Equal(expected, modelError.ErrorMessage);
// Check City error.
Assert.True(modelStateDictionary.TryGetValue("theModel.City", out modelState));
Assert.Equal(1, modelState.Errors.Count);
modelError = modelState.Errors[0];
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
expected = ValidationAttributeUtil.GetRequiredErrorMessage(nameof(ModelWithRequired.City));
Assert.Equal(expected, modelError.ErrorMessage);
}
public void ProcessDto_RequiredFieldNull_RaisesModelError()
{
// Arrange
var model = new ModelWithRequired();
var containerMetadata = GetMetadataForObject(model);
var bindingContext = CreateContext(containerMetadata);
var dto = new ComplexModelDto(containerMetadata, containerMetadata.Properties);
var testableBinder = new TestableMutableObjectModelBinder();
// Make Age valid and City invalid.
var propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "Age");
dto.Results[propertyMetadata] =
new ComplexModelDtoResult(23, new ModelValidationNode(propertyMetadata, "theModel.Age"));
propertyMetadata = dto.PropertyMetadata.Single(p => p.PropertyName == "City");
dto.Results[propertyMetadata] =
new ComplexModelDtoResult(null, new ModelValidationNode(propertyMetadata, "theModel.City"));
// Act
testableBinder.ProcessDto(bindingContext, dto);
// Assert
var modelStateDictionary = bindingContext.ModelState;
Assert.Equal(false, modelStateDictionary.IsValid);
Assert.Equal(1, modelStateDictionary.Count);
// Check City error.
ModelState modelState;
Assert.True(modelStateDictionary.TryGetValue("theModel.City", out modelState));
Assert.Equal(1, modelState.Errors.Count);
var modelError = modelState.Errors[0];
Assert.Null(modelError.Exception);
Assert.NotNull(modelError.ErrorMessage);
var expected = ValidationAttributeUtil.GetRequiredErrorMessage(nameof(ModelWithRequired.City));
Assert.Equal(expected, modelError.ErrorMessage);
}
public void GetClientValidationRules_ReturnsValidationParameters()
{
// Arrange
var expected = ValidationAttributeUtil.GetRequiredErrorMessage("Length");
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new RequiredAttribute();
var adapter = new RequiredAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("required", rule.ValidationType);
Assert.Empty(rule.ValidationParameters);
Assert.Equal(expected, rule.ErrorMessage);
}
public void MultipleValidationErrorsOnSameMemberReported()
{
// Arrange
var model = new Address()
{
Street = "Microsoft Way"
};
var validationContext = GetModelValidationContext(model, model.GetType());
// Act (does not throw)
new DefaultBodyModelValidator().Validate(validationContext, keyPrefix: string.Empty);
// Assert
Assert.Contains("Street", validationContext.ModelState.Keys);
var streetState = validationContext.ModelState["Street"];
Assert.Equal(2, streetState.Errors.Count);
var errorCollection = streetState.Errors.Select(e => e.ErrorMessage);
Assert.Contains(ValidationAttributeUtil.GetStringLengthErrorMessage(null, 5, "Street"), errorCollection);
Assert.Contains(ValidationAttributeUtil.GetRegExErrorMessage("hehehe", "Street"), errorCollection);
}