public void AddValidation_DoesNotTrounceExistingAttributes()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new MaxLengthAttribute(10);
var adapter = new MaxLengthAttributeAdapter(attribute, stringLocalizer: null);
var expectedMessage = attribute.FormatErrorMessage("Length");
var actionContext = new ActionContext();
var context = new ClientModelValidationContext(actionContext, metadata, provider, new Dictionary <string, string>());
context.Attributes.Add("data-val", "original");
context.Attributes.Add("data-val-maxlength", "original");
context.Attributes.Add("data-val-maxlength-max", "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-maxlength", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-maxlength-max", kvp.Key); Assert.Equal("original", kvp.Value); });
}
public void ClientRulesWithMaxLengthAttribute_Localize()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new MaxLengthAttribute(10);
attribute.ErrorMessage = "Property must be max '{1}' characters long.";
var expectedProperties = new object[] { "Length", 10 };
var expectedMessage = "Property must be max '10' characters long.";
var stringLocalizer = new Mock <IStringLocalizer>();
stringLocalizer.Setup(s => s[attribute.ErrorMessage, expectedProperties])
.Returns(new LocalizedString(attribute.ErrorMessage, expectedMessage));
var adapter = new MaxLengthAttributeAdapter(attribute, stringLocalizer: stringLocalizer.Object);
var actionContext = new ActionContext();
var context = new ClientModelValidationContext(actionContext, metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("maxlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(10, rule.ValidationParameters["max"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
public void ClientRulesWithMaxLengthAttribute()
{
// Arrange
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), "Length");
var attribute = new MaxLengthAttribute(10);
var adapter = new MaxLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("maxlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(10, rule.ValidationParameters["max"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
public void ClientRulesWithMaxLengthAttribute()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new MaxLengthAttribute(10);
var adapter = new MaxLengthAttributeAdapter(attribute);
var serviceCollection = new ServiceCollection();
var requestServices = serviceCollection.BuildServiceProvider();
var context = new ClientModelValidationContext(metadata, provider, requestServices);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("maxlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(10, rule.ValidationParameters["max"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
private static string WriteExtenders(PropertyInfo p, out bool isValidatable)
{
isValidatable = false;
StringBuilder sb = new StringBuilder();
sb.Append(".extend({ editState : false, disableValidation : false, empty : true })");
RequiredAttribute requiredAttribute = p.GetCustomAttribute <RequiredAttribute>();
if (requiredAttribute != null)
{
sb.Append($".extend({{ required: {{ message: \"{requiredAttribute.FormatErrorMessage(p.Name)}\", onlyIf: function() {{ return ko.utils.isPropertyValidatable(self, \"{ p.Name}\"); }} }} }})");
isValidatable = true;
}
MinLengthAttribute minLengthAttribute = p.GetCustomAttribute <MinLengthAttribute>();
if (minLengthAttribute != null)
{
sb.Append(string.Format(".extend({ minLength: { message: \"{0}\", params: {1}, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", minLengthAttribute.FormatErrorMessage(p.Name), minLengthAttribute.Length, p.Name));
isValidatable = true;
}
MaxLengthAttribute maxLengthAttribute = p.GetCustomAttribute <MaxLengthAttribute>();
if (maxLengthAttribute != null)
{
sb.Append(string.Format(".extend({ maxLength: { message: \"{0}\", params: {1}, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", maxLengthAttribute.FormatErrorMessage(p.Name), maxLengthAttribute.Length, p.Name));
isValidatable = true;
}
RegularExpressionAttribute regularExpressionAttribute = p.GetCustomAttribute <RegularExpressionAttribute>();
if (regularExpressionAttribute != null)
{
sb.Append(string.Format(".extend({ pattern: { message: \"{0}\", params: /{1}/, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", regularExpressionAttribute.FormatErrorMessage(p.Name), regularExpressionAttribute.Pattern, p.Name));
isValidatable = true;
}
UrlAttribute urlAttribute = p.GetCustomAttribute <UrlAttribute>();
if (urlAttribute != null)
{
sb.Append(string.Format(".extend({ pattern: { message: \"{0}\", params: /{1}/, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", urlAttribute.FormatErrorMessage(p.Name), urlAttribute, p.Name));
isValidatable = true;
}
DateAttribute dateAttribute = p.GetCustomAttribute <DateAttribute>();
if (dateAttribute != null)
{
sb.Append(string.Format(".extend({ date: { message: \"{0}\", onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{1}\"); } } })", dateAttribute.FormatErrorMessage(p.Name), p.Name));
isValidatable = true;
}
NumericAttribute numericAttribute = p.GetCustomAttribute <NumericAttribute>();
if (numericAttribute != null)
{
sb.Append(
string.Format(".extend({ number: { message: \"{0}\", onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{1}\"); } } }).extend({ numeric: {2} })",
numericAttribute.FormatErrorMessage(p.Name), p.Name, numericAttribute.Precision));
isValidatable = true;
}
EmailAttribute emailAttribute = p.GetCustomAttribute <EmailAttribute>();
if (emailAttribute != null)
{
sb.Append(string.Format(".extend({ email: { message: \"{0}\", onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{1}\"); } } })", emailAttribute.FormatErrorMessage(p.Name), p.Name));
isValidatable = true;
}
DigitsAttribute digitsAttribute = p.GetCustomAttribute <DigitsAttribute>();
if (digitsAttribute != null)
{
sb.Append(string.Format(".extend({ digit: { message: \"{0}\", onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{1}\"); } } }).extend({ numeric: 0 })", digitsAttribute.FormatErrorMessage(p.Name), p.Name));
isValidatable = true;
}
MinAttribute minAttribute = p.GetCustomAttribute <MinAttribute>();
if (minAttribute != null)
{
sb.Append(string.Format(".extend({ min: { message: \"{0}\", params: {1}, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", minAttribute.FormatErrorMessage(p.Name), minAttribute.Min, p.Name));
isValidatable = true;
}
MaxAttribute maxAttribute = p.GetCustomAttribute <MaxAttribute>();
if (maxAttribute != null)
{
sb.Append(string.Format(".extend({ max: { message: \"{0}\", params: {1}, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", maxAttribute.FormatErrorMessage(p.Name), maxAttribute.Max, p.Name));
isValidatable = true;
}
EqualToAttribute equalToAttribute = p.GetCustomAttribute <EqualToAttribute>();
if (equalToAttribute != null)
{
sb.Append(string.Format(".extend({ equal: { message: \"{0}\", params: {1}, onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", equalToAttribute.FormatErrorMessage(p.Name), equalToAttribute.OtherProperty, p.Name));
isValidatable = true;
}
CompareAttribute compareAttribute = p.GetCustomAttribute <CompareAttribute>();
if (compareAttribute != null)
{
sb.Append(string.Format(".extend({ equal: { message: \"{0}\", params: \"{1}\", onlyIf: function() { return ko.utils.isPropertyValidatable(self, \"{2}\"); } } })", compareAttribute.FormatErrorMessage(p.Name), compareAttribute.OtherProperty, p.Name));
isValidatable = true;
}
FormatterAttribute formatterAttribute = p.GetCustomAttribute <FormatterAttribute>();
if (formatterAttribute != null)
{
sb.Append(string.Format(".formatted({0}, {1})", formatterAttribute.Formatter, JsonConvert.SerializeObject(formatterAttribute.Arguments)));
}
return(sb.ToString());
}
public static string GetMaxLengthErrorMessage(int maximumLength, string field)
{
var attr = new MaxLengthAttribute(maximumLength);
return(attr.FormatErrorMessage(field));
}