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 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 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 static string GetMinLengthErrorMessage(int length, string field)
{
var attr = new MinLengthAttribute(length);
return attr.FormatErrorMessage(field);
}
