public void PrintNothing()
{
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, NoSwitches);
helpPrinter.Print();
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.AppendLine(string.Empty);
Assert.AreEqual(expectedOutput.ToString(), Output);
}
/// <summary>
/// Print help for using this executable, including switch usage
/// information and descriptions.
/// </summary>
static void PrintHelp()
{
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, Switches,
GetHeader());
helpPrinter.Print();
}
public void PrintNonPrintable()
{
const string Name1 = "s1";
const string Name2 = "s2";
SwitchCollection switches = new SwitchCollection();
switches.Add(Name1);
switches.Add(Name2, IsRequired);
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, switches);
helpPrinter.Print();
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.AppendLine("Usage: " + ExecutableName + " [-s1] -s2");
Assert.AreEqual(expectedOutput.ToString(), Output);
}
public void PrintNoSwitches()
{
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, NoSwitches, GetHeader(), GetFooter());
helpPrinter.Print();
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.AppendLine(GetHeader());
expectedOutput.AppendLine();
expectedOutput.AppendLine(GetFooter());
Assert.AreEqual(expectedOutput.ToString(), Output);
}
public void PrintNoLongNames()
{
const string Description1 = "First switch.";
const string Description2 = "Second switch. This switch is required.";
const string Name1 = "s1";
const string Name2 = "s2";
SwitchCollection switches = new SwitchCollection();
switches.Add(Name1, NoLongName, Description1);
switches.Add(Name2, NoLongName, Description2, IsRequired);
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, switches);
helpPrinter.Print();
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.AppendLine("Usage: " + ExecutableName + " [-s1] -s2");
expectedOutput.AppendLine();
expectedOutput.AppendLine("-s1 " + Description1);
expectedOutput.AppendLine("-s2 " + Description2);
Assert.AreEqual(expectedOutput.ToString(), Output);
}
public void PrintLongHeaderFooter()
{
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, NoSwitches, GetLongHeader(), GetLongFooter());
helpPrinter.Print();
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.AppendLine("------------------------------------------------------------------------------");
expectedOutput.AppendLine("This is the long header.");
expectedOutput.AppendLine("It is \"long\" to demonstrate how text is wrapped when it extends beyond the ");
expectedOutput.AppendLine("output width of the screen.");
expectedOutput.AppendLine("It is printed at the top of the help screen.");
expectedOutput.AppendLine("------------------------------------------------------------------------------");
expectedOutput.AppendLine();
expectedOutput.AppendLine("------------------------------------------------------------------------------");
expectedOutput.AppendLine("This is the long footer.");
expectedOutput.AppendLine("It is \"long\" to demonstrate how text is wrapped when it extends beyond the ");
expectedOutput.AppendLine("output width of the screen.");
expectedOutput.AppendLine("It is printed at the bottom of the help screen.");
expectedOutput.AppendLine("------------------------------------------------------------------------------");
Assert.AreEqual(expectedOutput.ToString(), Output);
}
public void Print()
{
const string ArgumentName = "arg";
const string Description1 = "First switch.";
const string Description2 = "Second switch. This switch is required.";
const string Description3 = "Third switch. This switch is required and has an argument.";
const string LongName1 = "switch1";
const string LongName2 = "switch2";
const string LongName3 = "switch3";
const string Name1 = "s1";
const string Name2 = "s2";
const string Name3 = "s3";
SwitchCollection switches = new SwitchCollection();
switches.Add(Name1, LongName1, Description1);
switches.Add(Name2, LongName2, Description2, IsRequired);
switches.Add(Name3, LongName3, Description3, HasArguments, IsRequired, ArgumentName);
HelpPrinter helpPrinter = new HelpPrinter(ExecutableName, switches, GetHeader(), GetFooter());
helpPrinter.Print();
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.AppendLine(GetHeader());
expectedOutput.AppendLine();
expectedOutput.AppendLine("Usage: " + ExecutableName + " [-s1] -s2 -s3 <arg>");
expectedOutput.AppendLine();
expectedOutput.AppendLine("-s1, --switch1 " + Description1);
expectedOutput.AppendLine("-s2, --switch2 " + Description2);
expectedOutput.AppendLine("-s3, --switch3 <arg> Third switch. This switch is required and has an ");
expectedOutput.AppendLine(" argument.");
expectedOutput.AppendLine();
expectedOutput.AppendLine(GetFooter());
Assert.AreEqual(expectedOutput.ToString(), Output);
}