public void NumberJumbler_GivenNullInput_ThrowsArgumentNullException()
{
// Arrange
string input = null;
var jumbler = new NumberJumbler(null);
// Action
var result = jumbler.Jumble(input);
}
public void NumberJumbler_GivenCharactersInput_ThrowsArgumentException()
{
// Arrange
var input = "hello";
var jumbler = new NumberJumbler(null);
// Action
var result = jumbler.Jumble(input);
}
public void NumberJumbler_GivenANumber_DigitsReversed(string inputNumber, string expected)
{
// Arrange
var jumbler = new NumberJumbler(null);
// Action
var result = jumbler.Jumble(inputNumber);
// Assert
Assert.AreEqual(expected, result, "Number not reversed");
}
public void NumberJumbler_GivenBulkNumbers_ReturnsAllNumbersReversed()
{
// Arrange
var mockFileRepository = new Mock<ITextFileRepository>();
mockFileRepository.Setup(x => x.GetFileLines(It.IsAny<string>()))
.Returns(new string[3] { "051", "584", "321" });
var jumbler = new NumberJumbler(mockFileRepository.Object);
// Actions
var result = jumbler.BulkJumble("boo");
// Assert
Assert.IsNotNull(result);
Assert.AreEqual(3, result.Count());
Assert.AreEqual("150", result.ElementAt(0));
Assert.AreEqual("485", result.ElementAt(1));
Assert.AreEqual("123", result.ElementAt(2));
}