public void Play_GivenNull_ShouldReturnMessage()
{
//Arrange
var nullOrWhitespace = new NullOrWhitespace();
var rock = new WinnerRock();
var paper = new WinnerPaper();
var scissor = new WinnerScissors();
nullOrWhitespace.SetSucessor(rock);
rock.SetSucessor(paper);
paper.SetSucessor(scissor);
//Act
var actual = nullOrWhitespace.Play(null, null);
//Assert
var expected = "Invalid input";
Assert.AreEqual(expected, actual);
}
public void Play_GivenPaperAndScissors_ShouldReturnScissors()
{
//Arrange
var player1 = "Paper";
var player2 = "Scissors";
var nullOrWhitespace = new NullOrWhitespace();
var rock = new WinnerRock();
var paper = new WinnerPaper();
var scissor = new WinnerScissors();
nullOrWhitespace.SetSucessor(rock);
rock.SetSucessor(paper);
paper.SetSucessor(scissor);
//Act
var actual = nullOrWhitespace.Play(player1, player2);
//Assert
var expected = "Scissors has won";
Assert.AreEqual(expected, actual);
}