public void IsValid_throws_for_negative_lengths()
{
var attribute = new MinLengthAttribute(-1);
Assert.Equal(
Strings.MinLengthAttribute_InvalidMinLength,
Assert.Throws<InvalidOperationException>(() => attribute.IsValid("Rincewind")).Message);
}
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 static void GetValidationResult_throws_for_negative_lengths()
{
var attribute = new MinLengthAttribute(-1);
Assert.Throws <InvalidOperationException>(
() => attribute.GetValidationResult("Rincewind", s_testValidationContext));
}
public void ClientRulesWithMinLengthAttribute_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);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(6, rule.ValidationParameters["min"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
public void IsValid_throws_for_negative_lengths()
{
var attribute = new MinLengthAttribute(-1);
Assert.Equal(
Strings.MinLengthAttribute_InvalidMinLength,
Assert.Throws <InvalidOperationException>(() => attribute.IsValid("Rincewind")).Message);
}
public void MinLengthAdapter_SetsErrorMessage()
{
ModelMetadata metadata = new DataAnnotationsModelMetadataProvider()
.GetMetadataForProperty(null, typeof(AdaptersModel), "MinLength");
MinLengthAttribute attribute = new MinLengthAttribute(128);
new MinLengthAdapter(metadata, new ControllerContext(), attribute);
String expected = Validations.FieldMustBeWithMinLengthOf;
String actual = attribute.ErrorMessage;
Assert.Equal(expected, actual);
}
public void ClientRulesWithMinLengthAttribute()
{
// Arrange
var metadata = ModelMetadataProviders.Current.GetMetadataForProperty(() => null, typeof(string), "Length");
var context = new ControllerContext();
var attribute = new MinLengthAttribute(6);
var adapter = new MinLengthAttributeAdapter(metadata, context, attribute);
// Act
var rules = adapter.GetClientValidationRules();
// Assert
ModelClientValidationRule rule = Assert.Single(rules);
Assert.Equal("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(6, rule.ValidationParameters["min"]);
Assert.Equal("The field Length must be a string or array type with a minimum length of '6'.", rule.ErrorMessage);
}
public void ClientRulesWithMinLengthAttributeAndCustomMessage()
{
// Arrange
string propertyName = "Length";
string message = "Array must have at least {1} items.";
var metadata = ModelMetadataProviders.Current.GetMetadataForProperty(() => null, typeof(int[]), propertyName);
var context = new ControllerContext();
var attribute = new MinLengthAttribute(2) { ErrorMessage = message };
var adapter = new MinLengthAttributeAdapter(metadata, context, attribute);
// Act
var rules = adapter.GetClientValidationRules();
// Assert
ModelClientValidationRule rule = Assert.Single(rules);
Assert.Equal("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(2, rule.ValidationParameters["min"]);
Assert.Equal("Array must have at least 2 items.", rule.ErrorMessage);
}
public void ClientRulesWithMinLengthAttribute()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new MinLengthAttribute(6);
var adapter = new MinLengthAttributeAdapter(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("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(6, rule.ValidationParameters["min"]);
Assert.Equal(attribute.FormatErrorMessage("Length"), rule.ErrorMessage);
}
public void ClientRulesWithMinLengthAttributeAndCustomMessage()
{
// Arrange
var propertyName = "Length";
var message = "Array must have at least {1} items.";
var provider = new DataAnnotationsModelMetadataProvider();
var metadata = provider.GetMetadataForProperty(() => null, typeof(string), propertyName);
var attribute = new MinLengthAttribute(2) { ErrorMessage = message };
var adapter = new MinLengthAttributeAdapter(attribute);
var context = new ClientModelValidationContext(metadata, provider);
// Act
var rules = adapter.GetClientValidationRules(context);
// Assert
var rule = Assert.Single(rules);
Assert.Equal("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(2, rule.ValidationParameters["min"]);
Assert.Equal("Array must have at least 2 items.", rule.ErrorMessage);
}
public void ClientRulesWithMinLengthAttributeAndCustomMessage()
{
// Arrange
var propertyName = "Length";
var message = "Array must have at least {1} items.";
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), propertyName);
var attribute = new MinLengthAttribute(2) { ErrorMessage = message };
var adapter = new MinLengthAttributeAdapter(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("minlength", rule.ValidationType);
Assert.Equal(1, rule.ValidationParameters.Count);
Assert.Equal(2, rule.ValidationParameters["min"]);
Assert.Equal("Array must have at least 2 items.", rule.ErrorMessage);
}
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); });
}
public MinLengthAdapter(ModelMetadata metadata, ControllerContext context, MinLengthAttribute attribute)
: base(metadata, context, attribute)
{
Attribute.ErrorMessage = Validations.FieldMustBeWithMinLengthOf;
}
/// <summary>
/// Initializes a new instance of the LocalizedMinLengthAttributeAdapter class.
/// </summary>
/// <param name="metadata">The model metadata.</param>
/// <param name="context">The controller context.</param>
/// <param name="attribute">The MinLength attribute.</param>
public LocalizedMinLengthAttributeAdapter(ModelMetadata metadata, ControllerContext context, MinLengthAttribute attribute)
: base(metadata, context, attribute)
{
}
public static string GetMinLengthErrorMessage(int length, string field)
{
var attr = new MinLengthAttribute(length);
return attr.FormatErrorMessage(field);
}
public static void GetValidationResult_throws_for_negative_lengths()
{
var attribute = new MinLengthAttribute(-1);
Assert.Throws<InvalidOperationException>(
() => attribute.GetValidationResult("Rincewind", s_testValidationContext));
}
public MinLengthAdapter(MinLengthAttribute attribute)
: base(attribute, null)
{
}
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 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); });
}
