public void Should_Throw_Exception_If_Invalid_PageSize_Is_Supplied()
{
// Arrange
CommandLineArgsHandler commandLineArgsHandler = CreateCommandLineArgsHandler();
string[] args = new[] { _validPath, "R" };
// Act
Func <CommandLineArg> func = () => commandLineArgsHandler.GetCommandLineArgs(args);
// Assert
func.Should().ThrowExactly <ArgumentOutOfRangeException>().WithMessage("'R' is not a valid value for the page size (Parameter 'pageSizeString')");
}
public void Should_Get_CommandLineArgs_From_Valid_Args()
{
// Arrange
CommandLineArgsHandler commandLineArgsHandler = CreateCommandLineArgsHandler();
string[] args = new[] { _validPath, _validPageSizeString };
var expectedResult = new CommandLineArg(_validPath, _validPageSize);
// Act
CommandLineArg result = commandLineArgsHandler.GetCommandLineArgs(
args);
// Assert
result.Should().Be(expectedResult);
}
public void Should_Read_Console_If_Args_Are_Empty_Or_Null(string[] args)
{
// Arrange
CommandLineArgsHandler commandLineArgsHandler = CreateCommandLineArgsHandler();
_subConsole.ReadLine().Returns(_validPath, _validPageSizeString);
var expectedResult = new CommandLineArg(_validPath, _validPageSize);
// Act
CommandLineArg result = commandLineArgsHandler.GetCommandLineArgs(
args);
// Assert
result.Should().Be(expectedResult);
_subConsole.Received(1).WriteLine("Please enter the page size");
_subConsole.Received(1).WriteLine("Please enter the path to the csv file you want to display");
_subConsole.Received(2).ReadLine();
}
public void Should_Read_Console_If_No_PageSize_Is_Supplied()
{
// Arrange
CommandLineArgsHandler commandLineArgsHandler = CreateCommandLineArgsHandler();
string[] args = new[] { _validPath };
_subConsole.ReadLine().Returns("5");
var expectedResult = new CommandLineArg(_validPath, 5);
// Act
CommandLineArg result = commandLineArgsHandler.GetCommandLineArgs(
args);
// Assert
result.Should().Be(expectedResult);
_subConsole.Received(1).WriteLine("Please enter the page size");
_subConsole.Received(1).ReadLine();
}
