public void ShouldCreateModelWithBuilderDefaults()
{
// Arrange
ArgumentsModelBuilder argumentsModelBuilder = new ArgumentsModelBuilder();
// Act
ArgumentsModel argumentsModel = argumentsModelBuilder.Build();
// Assert
Assert.AreEqual(int.MinValue, argumentsModel.Number);
Assert.AreEqual(false, argumentsModel.RandomNumber);
Assert.AreEqual(false, argumentsModel.MathFact);
Assert.AreEqual(false, argumentsModel.TriviaFact);
}
public void ShouldCreateModelWithTriviaFactBoolean()
{
// Arrange
ArgumentsModelBuilder argumentsModelBuilder = new ArgumentsModelBuilder();
argumentsModelBuilder.WithTriviaFact();
// Act
ArgumentsModel argumentsModel = argumentsModelBuilder.Build();
// Assert
Assert.AreEqual(int.MinValue, argumentsModel.Number);
Assert.IsFalse(argumentsModel.NumberProvided);
Assert.AreEqual(false, argumentsModel.RandomNumber);
Assert.AreEqual(false, argumentsModel.MathFact);
Assert.AreEqual(true, argumentsModel.TriviaFact);
}
public void ShouldCreateModelWithNumber()
{
// Arrange
ArgumentsModelBuilder argumentsModelBuilder = new ArgumentsModelBuilder();
argumentsModelBuilder.WithNumber(33);
// Act
ArgumentsModel argumentsModel = argumentsModelBuilder.Build();
// Assert
Assert.AreEqual(33, argumentsModel.Number);
Assert.IsTrue(argumentsModel.NumberProvided);
Assert.AreEqual(false, argumentsModel.RandomNumber);
Assert.AreEqual(false, argumentsModel.MathFact);
Assert.AreEqual(false, argumentsModel.TriviaFact);
}
public static ArgumentsModel CreateArgumentsModelFromUserInput(string[] args)
{
// Create the model builder and begin the building process. Check for errors along the way.
ArgumentsModelBuilder argumentsModelBuilder = new ArgumentsModelBuilder();
// Loop through each argument and add it to the builder
for (int i = 0; i < args.Length; i++)
{
// If this is the first argument, try to parse it as an integer.
if (i == 0)
{
bool numberSuccessfullyParsed = int.TryParse(args[i], out int passedInNumber);
if (numberSuccessfullyParsed)
{
argumentsModelBuilder.WithNumber(passedInNumber);
continue;
}
}
// Check for valid options and update model build accordingly.
switch (args[i])
{
case FlagConstants.RANDOM_NUMBER_FLAG:
argumentsModelBuilder.WithRandomNumber();
break;
case FlagConstants.MATH_FACT_FLAG:
argumentsModelBuilder.WithMathFact();
break;
case FlagConstants.TRIVIA_FACT_FLAG:
argumentsModelBuilder.WithTriviaFact();
break;
default:
throw new ArgumentException(ErrorConstants.INVALID_INPUT + args[i]);
}
}
ArgumentsModel argumentsModel = argumentsModelBuilder.Build();
return(argumentsModel);
}