public void GetClientValidationRules_WithMinAndMaxLength_ReturnsValidationParameters()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new StringLengthAttribute(10)
{
MinimumLength = 3
};
var adapter = new StringLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("length", rule.ValidationType);
Assert.Equal(2, rule.ValidationParameters.Count);
Assert.Equal(3, rule.ValidationParameters["min"]);
Assert.Equal(10, rule.ValidationParameters["max"]);
Assert.Equal("The field Length must be a string with a minimum length of 3 and a maximum length of 10.",
rule.ErrorMessage);
}
public void GetClientValidationRules_WithMaxLength_ReturnsValidationParameters()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new StringLengthAttribute(8);
var adapter = new StringLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("length", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(8, rule.ValidationParameters["max"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
/// <summary>
/// Creates an <see cref="IAttributeAdapter"/> for the given attribute.
/// </summary>
/// <param name="attribute">The attribute to create an adapter for.</param>
/// <param name="stringLocalizer">The localizer to provide to the adapter.</param>
/// <returns>An <see cref="IAttributeAdapter"/> for the given attribute.</returns>
public IAttributeAdapter GetAttributeAdapter(ValidationAttribute attribute, IStringLocalizer stringLocalizer)
{
if (attribute == null)
{
throw new ArgumentNullException(nameof(attribute));
}
IAttributeAdapter adapter;
var type = attribute.GetType();
if (type == typeof(RegularExpressionAttribute))
{
adapter = new RegularExpressionAttributeAdapter((RegularExpressionAttribute)attribute, stringLocalizer);
}
else if (type == typeof(MaxLengthAttribute))
{
adapter = new MaxLengthAttributeAdapter((MaxLengthAttribute)attribute, stringLocalizer);
}
else if (type == typeof(RequiredAttribute))
{
adapter = new RequiredAttributeAdapter((RequiredAttribute)attribute, stringLocalizer);
}
else if (type == typeof(CompareAttribute))
{
adapter = new CompareAttributeAdapter((CompareAttribute)attribute, stringLocalizer);
}
else if (type == typeof(MinLengthAttribute))
{
adapter = new MinLengthAttributeAdapter((MinLengthAttribute)attribute, stringLocalizer);
}
else if (type == typeof(CreditCardAttribute))
{
adapter = new DataTypeAttributeAdapter((DataTypeAttribute)attribute, "creditcard", stringLocalizer);
}
else if (type == typeof(StringLengthAttribute))
{
adapter = new StringLengthAttributeAdapter((StringLengthAttribute)attribute, stringLocalizer);
}
else if (type == typeof(RangeAttribute))
{
adapter = new RangeAttributeAdapter((RangeAttribute)attribute, stringLocalizer);
}
else if (type == typeof(EmailAddressAttribute))
{
adapter = new DataTypeAttributeAdapter((DataTypeAttribute)attribute, "email", stringLocalizer);
}
else if (type == typeof(PhoneAttribute))
{
adapter = new DataTypeAttributeAdapter((DataTypeAttribute)attribute, "phone", stringLocalizer);
}
else if (type == typeof(UrlAttribute))
{
adapter = new DataTypeAttributeAdapter((DataTypeAttribute)attribute, "url", stringLocalizer);
}
else
{
adapter = null;
}
return(adapter);
}
