public void AddTwoRomanNumeralsTogetherCorrectly(string numeral1, string numeral2, string expectedResult)
{
var calculator = new RomanNumeralCalculator(
new ConvertToSingles(),
new ConvertToRomanNumerals());
var result = calculator.Add(numeral1, numeral2);
Assert.That(result, Is.EqualTo(expectedResult));
}
public void CalculatorParsesSecondArgument(string n1, string n2)
{
var mockParser = new Mock <IParseRomanNumerals>();
var mockAdder = new Mock <IAddNumbers>();
mockParser.Setup(p => p.Parse(n2));
var rnc = new RomanNumeralCalculator(mockParser.Object, mockAdder.Object);
rnc.Add(n1, n2);
mockParser.Verify();
}
public void CalculatorAddsArguments()
{
var mockParser = new Mock <IParseRomanNumerals>();
var mockAdder = new Mock <IAddNumbers>();
mockParser.Setup(p => p.Parse(It.IsAny <string>())).Returns(1);
mockAdder.Setup(a => a.Add(1, 1)).Verifiable();
var rnc = new RomanNumeralCalculator(mockParser.Object, mockAdder.Object);
rnc.Add("", "");
mockParser.Verify();
}
void ExpectAddingResult(string result, string n1, string n2)
{
Describe($"when adding {n1}", () =>
{
Describe($"and {n2}", () =>
{
var sum = string.Empty;
BeforeEach(() => {
sum = _calculator.Add(n1, n2);
});
It($"returns {result}", () =>
{
AssertEquals(result, sum);
});
});
});
}
