public void Process_WithValidInput_ShouldReturnOutput()
{
var processCommands = new ProcessCommandsService();
var result = processCommands.Process("the", "canal", "6", $"{Environment.CurrentDirectory}\\input.txt");
Assert.AreEqual(11, result);
}
public void Process_WithInvalidKeyWords_ShouldReturnZero()
{
var processCommands = new ProcessCommandsService();
var result = processCommands.Process("invalid1", "invalid2", "6", $"{Environment.CurrentDirectory}\\input.txt");
Assert.AreEqual(0, result);
}
public void Process_WithRangeLessThen2_ShouldThrowInvalidInputException()
{
var processCommands = new ProcessCommandsService();
Assert.ThrowsException <InputValidationException>(() =>
processCommands.Process("the", "canal", "1", $"{Environment.CurrentDirectory}\\input.txt"));
}
public void Process_WithInvalidFilePath_ShouldThrowInvalidInputException()
{
var processCommands = new ProcessCommandsService();
Assert.ThrowsException <InputValidationException>(() =>
processCommands.Process("the", "canal", "range", $"{Environment.CurrentDirectory}\\NonExistingFile.txt"));
}
static void Main(string[] args)
{
try
{
Console.WriteLine("Please enter input as KeyWord1 KeyWord2 Range and input file path");
var input = Console.ReadLine();
var inputArray = input.Split(' ');
ValidationService.ValidateNumberOfArgumentsProvided(inputArray);
var processCommandService = new ProcessCommandsService();
var keyWordsOccurenceWithinRange = processCommandService.Process(inputArray[0], inputArray[1], inputArray[2], inputArray[3]);
Console.WriteLine(keyWordsOccurenceWithinRange);
Main(new string[0]);
}
catch (InputValidationException ex)
{
Console.WriteLine(ex.Message);
Main(new string[0]);
}
catch (Exception)
{
Console.WriteLine("unknown error occured");
Main(new string[0]);
}
}
