public void Parse_should_find_named_arguments_with_no_value()
{
// arrange
var args = new[] { "-help", "-me" };
// act
ArgumentSet set = ArgumentSet.Parse(args);
// assert
Assert.AreEqual(2, set.NamedArgs.Count());
Assert.AreEqual(null, set.GetByName("help"));
Assert.AreEqual(null, set.GetByName("me"));
}
public void Parse_should_match_multiple_named_arguments_and_values()
{
// arrange
var args = new[] { "-help", "migrate", "-c", "connection" };
// act
ArgumentSet set = ArgumentSet.Parse(args);
// assert
Assert.AreEqual(2, set.NamedArgs.Count());
Assert.AreEqual("migrate", set.GetByName("help"));
Assert.AreEqual("connection", set.GetByName("c"));
}
public void GetByName_should_throw_KeyNotFoundException_if_name_doesnt_exist()
{
// arrange
var args = new[] { "blah" };
ArgumentSet set = ArgumentSet.Parse(args);
// act
Assert.Throws <KeyNotFoundException>(() => set.GetByName("help"));
}
public void GetByName_should_return_value_of_argument_with_given_name()
{
// arrange
var args = new[] { "-help", "migrate" };
ArgumentSet set = ArgumentSet.Parse(args);
// act
string value = set.GetByName("help");
// assert
const string expectedValue = "migrate";
Assert.AreEqual(expectedValue, value);
}
/// <summary>
/// Primary Program Execution
/// </summary>
private void Run(string[] args)
{
string executableName = Process.GetCurrentProcess().ProcessName + ".exe";
ArgumentSet allArguments = ArgumentSet.Parse(args);
var helpWriter = new CommandHelpWriter(_logger);
bool showHelp = allArguments.ContainsName("help");
string commandName = showHelp
? allArguments.GetByName("help")
: allArguments.AnonymousArgs.FirstOrDefault();
ICommand command = null;
if (commandName != null)
{
command = _commandRepo.GetCommand(commandName);
}
if (command == null)
{
if (showHelp)
{
// no command name was found, show the list of available commands
WriteAppUsageHelp(executableName);
helpWriter.WriteCommandList(_commandRepo.Commands);
}
else
{
// invalid command name was given
_logger.WriteError("'{0}' is not a DotNetMigrations command.", commandName);
_logger.WriteLine(string.Empty);
_logger.WriteError("See '{0} -help' for a list of available commands.", executableName);
}
}
if (showHelp && command != null)
{
// show help for the given command
helpWriter.WriteCommandHelp(command, executableName);
}
else if (command != null)
{
command.Log = _logger;
var commandArgumentSet = ArgumentSet.Parse(args.Skip(1).ToArray());
IArguments commandArgs = command.CreateArguments();
commandArgs.Parse(commandArgumentSet);
if (commandArgs.IsValid)
{
var timer = new Stopwatch();
timer.Start();
try
{
command.Run(commandArgs);
}
catch (Exception ex)
{
//_logger.WriteLine(string.Empty);
if (_logFullErrors)
{
_logger.WriteError(ex.ToString());
}
else
{
WriteShortErrorMessages(ex);
}
if (Debugger.IsAttached)
{
throw;
}
}
finally
{
timer.Stop();
_logger.WriteLine(string.Empty);
_logger.WriteLine(string.Format("Command duration was {0}.",
decimal.Divide(timer.ElapsedMilliseconds, 1000).ToString(
"0.0000s")));
}
}
else
{
// argument validation failed, show errors
WriteValidationErrors(command.CommandName, commandArgs.Errors);
_logger.WriteLine(string.Empty);
helpWriter.WriteCommandHelp(command, executableName);
}
}
if (_keepConsoleOpen)
{
Console.WriteLine();
Console.WriteLine(" > Uh-oh. It looks like you didn't run me from a console.");
Console.WriteLine(" > Did you double-click me?");
Console.WriteLine(" > I don't like to be clicked.");
Console.WriteLine(" > Please open a command prompt and run me by typing " + executableName + ".");
Console.WriteLine();
Console.WriteLine("Press any key to exit...");
Console.Read();
}
}