public void PassingSpec()
{
var calc = new Calculator();
var output = new StringWriter();
Spec.Output = output;
Spec.Run(s => s
.AsA(Student())
.Given(calc.PowerOnIs(true))
.And(calc.Display.Should().BeEmpty())
.When(calc.Button(5).IsPressed())
.And(calc.PlusButton.IsPressed())
.And(calc.Button(6).IsPressed())
.And(calc.EqualsButton.IsPressed())
.Then(calc.Display.Should().Be("11"))
);
const string expected = @"PassingSpec
as a student => Passed
given calc power on is True => Passed
and calc display should be empty => Passed
when calc button 5 is pressed => Passed
and calc plus button is pressed => Passed
and calc button 6 is pressed => Passed
and calc equals button is pressed => Passed
then calc display should be ""11"" => Passed";
string actual = output.ToString();
Assert.That(Clean(actual), Is.EqualTo(Clean(expected)));
Console.WriteLine(actual);
}
public void FailingSpec()
{
Console.WriteLine();
var calc = new Calculator();
var output = new StringWriter();
Spec.Output = output;
Assert.Throws<AssertionException>(() =>
Spec.Run(s => s
.Given(calc.PowerOnIs(true))
.Then(calc.Display.Should().Be("1"))
)
);
const string expected = @"
given calc power on is True => Passed
then calc display should be ""1"" => Failed";
string actual = output.ToString();
// upcase to make it easier to troubleshoot
Assert.That(Clean(actual.ToUpper()), Is.StringContaining(Clean(expected.ToUpper())));
Assert.That(actual.ToUpper(), Is.StringContaining("Expected string".ToUpper()));
}