// Test names take the form of MethodNameUnderTest_TestScenario_ExpectedResult
public void GenerateLotteryNumbers_RequiredCountOfNumbersNotSupplied_CorrectCountOfNumbersReturned()
{
// Arrange
// Act
GeneratedLotteryNumbersResult testResult = objectUnderTest.GenerateLotteryNumbers();
// Assert
Assert.True(testResult.IsSuccess);
Assert.Null(testResult.ErrorMessage);
Assert.Equal(6, testResult.LotteryNumbers.Count); // Ensure correct count of number
Assert.Equal(6, testResult.LotteryNumbers.Keys.Distinct().Count()); // Ensure correct count of unique number - i.e. all should be unique
}
public void TrySaveLotteryNumbers_SaveSameNumerTwice_CorrectCountOfNumbersReturned()
{
// Arrange
GeneratedLotteryNumbersResult testResult = new GeneratedLotteryNumbersResult(6);
// Act
// Assert
Assert.True(testResult.TrySaveLotteryNumber(1, TextColour.Grey));
Assert.False(testResult.TrySaveLotteryNumber(1, TextColour.Grey));
Assert.True(testResult.TrySaveLotteryNumber(2, TextColour.Grey));
Assert.Equal(2, testResult.LotteryNumbers.Count); // Ensure correct count of number
Assert.Equal(2, testResult.LotteryNumbers.Keys.Distinct().Count()); // Ensure correct count of unique number - i.e. all should be unique
}
public void HasRequiredNumbersCount_SaveSixNUmbers_ReturnTrue(int countOfNumbers)
{
// Arrange
GeneratedLotteryNumbersResult testResult = new GeneratedLotteryNumbersResult(countOfNumbers);
// Act
for (int i = 1; i <= countOfNumbers; i++)
{
testResult.TrySaveLotteryNumber(i, TextColour.Grey);
}
// Assert
Assert.True(testResult.HasRequiredNumbersCount()); // Ensure HasRequiredNumbersCount returns true
}
/// <summary>
/// The entry point of the application
/// </summary>
static void Main()
{
// Configure simple configuration
var configuration = new ConfigurationBuilder()
.AddJsonFile("appsettings.json", optional: true)
.Build();
// Setup Inversion of Control/ DI
var serviceProvider = new ServiceCollection()
.AddSingleton <ILotteryNumberGenerator, LotteryNumberGenerator>()
.BuildServiceProvider();
// Set default required lottery numbers incase config is not present
int requiredNumberOfLotteryNumbers = 6;
// Allow override of number of required lottery numbers so that a rebuild/retest of application is not required
if (configuration["requiredNumberOfLotteryNumbers"] != null)
{
int.TryParse(configuration["requiredNumberOfLotteryNumbers"], out requiredNumberOfLotteryNumbers);
}
try
{
// The below could be called also with no param to get default functionaility of 6 numbers also
GeneratedLotteryNumbersResult generatedLotteryNumbers = serviceProvider.GetService <ILotteryNumberGenerator>().GenerateLotteryNumbers(requiredNumberOfLotteryNumbers);
if (generatedLotteryNumbers.IsSuccess)
{
foreach (var lotteryNumber in generatedLotteryNumbers.LotteryNumbers)
{
TextColour textColour = lotteryNumber.Value;
ConsoleColor consoleColour = Converters.ConvertTextColourToConsoleColour(textColour);
Console.ForegroundColor = consoleColour;
Console.WriteLine(lotteryNumber.Key);
}
Console.ForegroundColor = ConsoleColor.White;
}
else
{
WriteErrorMessage(generatedLotteryNumbers.ErrorMessage);
}
}
catch (Exception ex)
{
WriteErrorMessage(ex.Message);
}
Console.WriteLine("Press <Return> to continue");
Console.ReadLine();
}
public void AreLotteryNumbersValid(int secondNumber, bool expectedResult)
{
// Arrange
GeneratedLotteryNumbersResult testResult = new GeneratedLotteryNumbersResult(6);
// Act
testResult.TrySaveLotteryNumber(1, TextColour.Grey);
testResult.TrySaveLotteryNumber(secondNumber, TextColour.Grey);
testResult.TrySaveLotteryNumber(3, TextColour.Grey);
testResult.TrySaveLotteryNumber(4, TextColour.Grey);
testResult.TrySaveLotteryNumber(5, TextColour.Grey);
testResult.TrySaveLotteryNumber(6, TextColour.Grey);
// Assert
Assert.Equal(expectedResult, testResult.AreLotteryNumbersValid());
}
