public void When_Passed_Command_Without_Arguments_Should_Throw_Exception()
{
//Arrange
var fiscalPrinterState = new FiscalPrinterState();
var command = new ThermalFiscalPrinterCommand(new List <string> {
}, "$d", string.Empty);
var commandHandler = new SendLineToClientDisplayCommandHandler(command);
//Act
//Assert
Assert.Throws <FP_WrongNumberOfArgumentsException>(() =>
{
commandHandler.Handle(fiscalPrinterState);
});
}
public void When_Passed_Command_With_Bad_First_Argument_Should_Throw_Exception(int firstCommandArgument)
{
//Arrange
var fiscalPrinterState = new FiscalPrinterState();
var command = new ThermalFiscalPrinterCommand(new List <string> {
firstCommandArgument.ToString()
}, "$d", string.Empty);
var commandHandler = new SendLineToClientDisplayCommandHandler(command);
//Act
//Assert
Assert.Throws <FP_BadFormatOfArgumentException>(() =>
{
commandHandler.Handle(fiscalPrinterState);
});
}
public void When_Passed_Command_With_Parameter_101_Or_102_But_Text_To_Display_Has_Over_20_Characters_Then_Should_Throw_Error(int firstCommandArgument)
{
//Arrange
var passedTooLongText = "".PadRight(21, 'x');
var fiscalPrinterState = new FiscalPrinterState();
var command = new ThermalFiscalPrinterCommand(new List <string> {
firstCommandArgument.ToString()
}, "$d", passedTooLongText);
var commandHandler = new SendLineToClientDisplayCommandHandler(command);
//Act
//Assert
Assert.Throws <FP_BadFormatOfArgumentException>(() =>
{
commandHandler.Handle(fiscalPrinterState);
});
}
public void When_Passed_Command_With_Argument_102_And_Paramer_Has_Less_Then_20_Characters_Should_Return_Correct_Output_Line_Display_Result()
{
//Arrange
var passedParameterText = "".PadRight(20, 'x');
var expectedResult = new ClientLineDisplayOutput()
{
LineNumber = 1, OutputText = passedParameterText
};
var fiscalPrinterState = new FiscalPrinterState();
var command = new ThermalFiscalPrinterCommand(new List <string> {
"102"
}, "$d", passedParameterText);
var commandHandler = new SendLineToClientDisplayCommandHandler(command);
//Act
var result = commandHandler.Handle(fiscalPrinterState);
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(expectedResult.LineNumber, result.ClientLineDisplayOutputLine.LineNumber);
Assert.AreEqual(expectedResult.OutputText, result.ClientLineDisplayOutputLine.OutputText);
}