public void AddValidation_WithMinAndMaxLength_AddsAttributes()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new StringLengthAttribute(10)
{
MinimumLength = 3
};
var adapter = new StringLengthAttributeAdapter(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-length", kvp.Key); Assert.Equal(expectedMessage, kvp.Value); },
kvp => { Assert.Equal("data-val-length-max", kvp.Key); Assert.Equal("10", kvp.Value); },
kvp => { Assert.Equal("data-val-length-min", kvp.Key); Assert.Equal("3", kvp.Value); });
}
public void AddValidation_WithMaxLengthAndMinLength_AddsAttributes_Localize()
{
// Arrange
var provider = TestModelMetadataProvider.CreateDefaultProvider();
var metadata = provider.GetMetadataForProperty(typeof(string), "Length");
var attribute = new StringLengthAttribute(8);
attribute.ErrorMessage = "Property must not be longer than '{1}' characters and not shorter than '{2}' characters.";
var expectedMessage = "Property must not be longer than '8' characters and not shorter than '0' characters.";
var stringLocalizer = new Mock <IStringLocalizer>();
var expectedProperties = new object[] { "Length", 8, 0 };
stringLocalizer.Setup(s => s[attribute.ErrorMessage, expectedProperties])
.Returns(new LocalizedString(attribute.ErrorMessage, expectedMessage));
var adapter = new StringLengthAttributeAdapter(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-length", kvp.Key); Assert.Equal(expectedMessage, kvp.Value); },
kvp => { Assert.Equal("data-val-length-max", kvp.Key); Assert.Equal("8", kvp.Value); });
}