public void WithFilterOptions_SetsOptions()
{
IEnumerable <SelectListItem> expected = new SelectListItem[0];
IEnumerable <SelectListItem> actual = column.WithFilterOptions(expected).Filter.Options;
Assert.Same(expected, actual);
}
public void WithFilterOptions_SetsDefaultFilterMethod(String current, String method)
{
column.Filter.DefaultMethod = current;
String actual = column.WithFilterOptions(new SelectListItem[0]).Filter.DefaultMethod;
String expected = method;
Assert.Equal(expected, actual);
}
public static IGridColumn<T, TValue> WithFilterOptions<T, TValue>(this IGridColumn<T, TValue> column)
{
return column.WithFilterOptions(column
.Grid
.Source
.OrderBy(column.Expression)
.Select(column.Expression)
.Select(value => value == null ? null : value.ToString())
.Distinct()
.Select(value => new SelectListItem
{
Value = value,
Text = value
}));
}