public void Overload2_UsesThePromptIfGivenOne(string promptMessage, int usageCount, string message)
{
// Arrange
_mockConsole.Setup(s => s.ReadLine()).Returns("1");
var cut = new PromptHelper(_mockConsole.Object);
// Act
cut.GetNumber(promptMessage, 1, 2, "exit", 0);
// Assert
_mockConsole.Verify(v => v.WriteLine(promptMessage), Times.Exactly(usageCount), message);
}
public void Overload1_ReturnsCorrectValue(string input, int?expectedOutput)
{
// Arrange
_mockConsole.Setup(s => s.ReadLine()).Returns(input);
var cut = new PromptHelper(_mockConsole.Object);
// Act
int?actualOutput = cut.GetNumber(null, 1);
// Assert
Assert.AreEqual(expectedOutput, actualOutput);
}
public void Overload2_ReturnsCorrectValue(string input, int?expectedOutput, string message)
{
// Arrange
_mockConsole.SetupSequence(s => s.ReadLine())
.Returns(input).Returns("exit");
var cut = new PromptHelper(_mockConsole.Object);
// Act
int?actualOutput = cut.GetNumber(null, -20, 20, "exit", -100);
// Assert
Assert.AreEqual(expectedOutput, actualOutput, message);
}
public void Overload1_WhenOrderedToPromptTwiceItDoes()
{
// Arrange
_mockConsole.SetupSequence(s => s.ReadLine())
.Returns("Not_a_number").Returns("still_not_a_number");
var cut = new PromptHelper(_mockConsole.Object);
// Act
int?actualOutput = cut.GetNumber(null, 2);
// Assert
_mockConsole.Verify(v => v.ReadLine(), Times.Exactly(2));
}