public void ShouldReturnNullIfValueToConvertIsNullOrNotDecimal()
{
DecimalToColorConverter converter = new DecimalToColorConverter();
var convertedValue = converter.Convert(null, null, null, null) as string;
Assert.IsNull(convertedValue);
convertedValue = converter.Convert("NotADecimal", null, null, null) as string;
Assert.IsNull(convertedValue);
}
public void ShouldConvertFromDecimalToColorString()
{
DecimalToColorConverter converter = new DecimalToColorConverter();
var convertedValue = converter.Convert(20m, null, null, null) as string;
Assert.IsNotNull(convertedValue);
Assert.AreEqual("#ff00cc00", convertedValue);
convertedValue = converter.Convert(-20m, null, null, null) as string;
Assert.IsNotNull(convertedValue);
Assert.AreEqual("#ffff0000", convertedValue);
}