public void AddFilter_ShouldThrowErrorIfAddingSameFilter()
{
//arrange
var filterState = new FilterState();
//act
filterState.AddFilter("priority", 1, FilterOperator.EqualTo);
//assert
Assert.NotNull(filterState.Filter.Filters[0]);
Assert.Throws <InvalidOperationException>(() => filterState.AddFilter("priority", 1, FilterOperator.EqualTo));
}
public void AddFilter_Test()
{
//arrange
var filterState = new FilterState();
//act
filterState.AddFilter("priority", 1, FilterOperator.EqualTo);
//assert
Assert.NotNull(filterState.Filter.Filters[0]);
}