/// <summary>
/// Facade class - Process and orchestrate other service implementation
/// </summary>
/// <param name="input">Long Int</param>
/// <returns>Service Codes - Success, Invalid Input, Error</returns>
public ServiceCode Process(long input)
{
try
{
_logger.LogInformation("Processing input..");
_logger.LogDebug($"Processing value - {input}");
var numbers = _numberService.GetValues(input);
if (numbers.Count > 0)
{
var gridOutput = _operatorService.Execute(numbers);
if (!string.IsNullOrEmpty(gridOutput))
{
_printService.Print(gridOutput);
_logger.LogInformation("Processing Complete");
return(ServiceCode.SUCCESS);
}
_logger.LogInformation("Error while generating table, Empty response.");
return(ServiceCode.APPLICATION_ERROR);
}
_logger.LogInformation("Invalid Input. Nothing to process..");
return(ServiceCode.INVALID_INPUT);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error while processing.. Check exception details");
return(ServiceCode.SYSTEM_ERROR);
}
}
public void ValidInput_TableNotGenerated()
{
//Arrange
_operatorService = new Multiply(_mockLogger.Object);
//Act
var output = _operatorService.Execute(new List <long> {
});
//Assert
Assert.Null(output);
}
public void ValidInput_TableGenerated()
{
//Arrange
_operatorService = new Multiply(_mockLogger.Object);
//Act
var output = _operatorService.Execute(new List <long> {
2
});
//Assert
Assert.Contains("4", output);
Assert.Contains("6", output);
Assert.Contains("8", output);
Assert.Contains("20", output);
}