public void NumberWorder_WhenParsingValidNumericInput_ShouldReturnParsedWording(string input,string expected)
{
NumberWorder numberWorder = new NumberWorder();
var outcome = numberWorder.Parse(input);
Assert.AreEqual(outcome, expected);
}
public void NumberWorder_WhenParsingTextWithAlphaCharacters_ShouldThrowArgumentException(string input)
{
NumberWorder numberWorder = new NumberWorder();
var ex = Assert.Catch<ArgumentException>(() => numberWorder.Parse(input));
StringAssert.Contains(NumberWorder.NonNumericInputMessage, ex.Message);
}
public void NumberWorder_WhenParsingNullOrEmptyText_ShouldThrowArgumentException(string input)
{
NumberWorder numberWorder = new NumberWorder();
var ex = Assert.Catch<ArgumentException>(() => numberWorder.Parse(input));
StringAssert.Contains(NumberWorder.EmptyInputMessage, ex.Message);
}