public void MinLengthAttribute_AddValidation_AttributeAndCustomMessage()
{
// Arrange
var propertyName = "Length";
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), propertyName);
var attribute = new MinLengthAttribute(2)
{
ErrorMessage = "Array must have at least {1} items."
};
var adapter = new MinLengthAttributeAdapter(attribute, stringLocalizer: null);
var expectedMessage = "Array must have at least 2 items.";
var actionContext = new ActionContext();
var context = new ClientModelValidationContext(actionContext, metadata, provider, new Dictionary <string, string>());
// Act
adapter.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-minlength", kvp.Key); Assert.Equal(expectedMessage, kvp.Value); },
kvp => { Assert.Equal("data-val-minlength-min", kvp.Key); Assert.Equal("2", kvp.Value); });
}
public void MinLengthAttribute_AddValidation_Localize()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new MinLengthAttribute(6);
attribute.ErrorMessage = "Property must be at least '{1}' characters long.";
var expectedProperties = new object[] { "Length", 6 };
var expectedMessage = "Property must be at least '6' characters long.";
var stringLocalizer = new Mock <IStringLocalizer>();
stringLocalizer.Setup(s => s[attribute.ErrorMessage, expectedProperties])
.Returns(new LocalizedString(attribute.ErrorMessage, expectedMessage));
var adapter = new MinLengthAttributeAdapter(attribute, stringLocalizer: stringLocalizer.Object);
var actionContext = new ActionContext();
var context = new ClientModelValidationContext(actionContext, metadata, provider, new Dictionary <string, string>());
// Act
adapter.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-minlength", kvp.Key); Assert.Equal(expectedMessage, kvp.Value); },
kvp => { Assert.Equal("data-val-minlength-min", kvp.Key); Assert.Equal("6", kvp.Value); });
}
public void AddValidation_DoesNotTrounceExistingAttributes()
{
// Arrange
var propertyName = "Length";
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), propertyName);
var attribute = new MinLengthAttribute(2)
{
ErrorMessage = "Array must have at least {1} items."
};
var adapter = new MinLengthAttributeAdapter(attribute, stringLocalizer: null);
var actionContext = new ActionContext();
var context = new ClientModelValidationContext(actionContext, metadata, provider, new AttributeDictionary());
context.Attributes.Add("data-val", "original");
context.Attributes.Add("data-val-minlength", "original");
context.Attributes.Add("data-val-minlength-min", "original");
// Act
adapter.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-minlength", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-minlength-min", kvp.Key); Assert.Equal("original", kvp.Value); });
}
public void MinLengthAttribute_AddValidation_Attribute()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new MinLengthAttribute(6);
var adapter = new MinLengthAttributeAdapter(attribute, stringLocalizer: null);
var expectedMessage = attribute.FormatErrorMessage("Length");
var actionContext = new ActionContext();
var context = new ClientModelValidationContext(actionContext, metadata, provider, new AttributeDictionary());
// Act
adapter.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-minlength", kvp.Key); Assert.Equal(expectedMessage, kvp.Value); },
kvp => { Assert.Equal("data-val-minlength-min", kvp.Key); Assert.Equal("6", kvp.Value); });
}
/// <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, "data-val-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, "data-val-email", stringLocalizer);
}
else if (type == typeof(PhoneAttribute))
{
adapter = new DataTypeAttributeAdapter((DataTypeAttribute)attribute, "data-val-phone", stringLocalizer);
}
else if (type == typeof(UrlAttribute))
{
adapter = new DataTypeAttributeAdapter((DataTypeAttribute)attribute, "data-val-url", stringLocalizer);
}
else
{
adapter = null;
}
return(adapter);
}
