public void ConvertEnumToSelectList_WhenUseIntValisTrue_ReturnsListWithNumericValues()
{
var result = SelectListItemUtility.ConvertEnumToSelectList(typeof(RealEstateOptionForBuyEnum), null, true,
false);
Assert.Equal(new [] { "0", "1", "2" }, result.Select(s => s.Value));
}
public void ConvertEnumToSelectList_WhenSelectedIsNull_ReturnsListWithNoItemSelected()
{
var result = SelectListItemUtility.ConvertEnumToSelectList(typeof(RealEstateOptionForBuyEnum), null, false,
false);
Assert.DoesNotContain(result, s => s.Selected);
}
public void ConvertEnumToSelectList_WhenSelectedIsSet_ReturnsListWithItemSelected(string selectedItem)
{
var result = SelectListItemUtility.ConvertEnumToSelectList(typeof(RealEstateOptionForBuyEnum), selectedItem, false,
false);
Assert.Equal(selectedItem, result.Single(s => s.Selected).Value);
}
public void ConvertEnumToSelectList_WhenIncludeBlankIsTrue_ReturnsListWithFirstItemBlank()
{
var result = SelectListItemUtility.ConvertEnumToSelectList(typeof(RealEstateOptionForBuyEnum), null, false,
true);
var expectedResult = new[] { "", "Rent/Lease", "Buy", "Either" };
Assert.Equal(expectedResult, result.Select(s => s.Text));
}
public void ConvertEnumToSelectList_WhenPassedAnEnumWithDescription_ReturnsDescriptionInTextProperty()
{
var result = SelectListItemUtility.ConvertEnumToSelectList(typeof(RealEstateOptionForBuyEnum), null, false,
false);
var expectedResult = new[] { "Rent/Lease", "Buy", "Either" };
Assert.Equal(expectedResult, result.Select(s => s.Text));
}
public static IHtmlContent DropDownListFor <TModel, TProperty>(this IHtmlHelper <TModel> htmlHelper,
Expression <Func <TModel, TProperty> > expression, Type enumType, bool useIntValue, bool includeBlank, object htmlAttributes) where TModel : class
{
var selected = string.Empty;
try
{
var value = htmlHelper.ViewData.Model == null
? default(TProperty)
: expression.Compile()(htmlHelper.ViewData.Model);
selected = value == null ? string.Empty : value.ToString();
}
catch (Exception)
{
//do nothing
}
var list = SelectListItemUtility.ConvertEnumToSelectList(enumType, selected, useIntValue, includeBlank);
return(htmlHelper.DropDownListFor(expression, list, htmlAttributes));
}