public void CreateInstanceShouldReturnInstanceOfExpectedType(HammingDistanceStrategies strategy, Type expectedType)
{
// Act
var result = HammingDistanceCalculatorFactory.CreateInstance(strategy);
// Assert
Assert.IsInstanceOfType(result, expectedType);
}
/// <summary>
/// Instantiates the proper calculator strategy based on "-method" argument provided to the application.
/// If the "-method" argument is not provided or is not recognized, Standard strategy is adopted.
/// </summary>
/// <param name="method">Method argument value provided to the console application</param>
/// <returns>An instance of the selected IHammingDistanceCalculatorStrategy</returns>
private static IHammingDistanceCalculatorStrategy GetHammingDistanceCalculatorStrategy(string method)
{
if (!string.IsNullOrEmpty(method))
{
if (Enum.TryParse(typeof(HammingDistanceStrategies), method, out object strategyInput))
{
return(HammingDistanceCalculatorFactory.CreateInstance((HammingDistanceStrategies)strategyInput));
}
}
return(HammingDistanceCalculatorFactory.CreateInstance(HammingDistanceStrategies.Standard));
}
public void Initialize()
{
_hammingDistanceCalculatorFactory = new HammingDistanceCalculatorFactory();
}
