public void TestWithNoArguments()
{
var cmdLine = setUpCommandLine();
var parsing = Cli.ParseInstructions(cmdLine, new string[] { });
Assert.IsNull(parsing.Errors);
Assert.IsEmpty(parsing.Instructions);
}
public void TestParsingNoArgumentsGivesEmptyInstructions()
{
var cmdLine = setUpCommandLine();
var args = new string[] { };
var parsing = Cli.ParseInstructions(cmdLine, args);
Assert.IsEmpty(parsing.Instructions);
Assert.AreEqual(0, parsing.AcceptedArgs);
Assert.IsNull(parsing.Errors);
}
public void TestWithNoArguments()
{
var cmdLine = Cli.DeclareCommandLine(
"test-program",
"Tests something.",
new List <Cli.Command>()
);
var parsing = Cli.ParseInstructions(cmdLine, new string[] { });
Assert.IsNull(parsing.Errors);
Assert.IsEmpty(parsing.Instructions);
}
public void TestParsingChainOfCommands()
{
var cmdLine = setUpCommandLine();
var parsing = Cli.ParseInstructions(cmdLine, new[] { "load", "one", "load", "two" });
Assert.IsNull(parsing.Errors);
Assert.AreEqual(2, parsing.Instructions.Count);
Assert.IsInstanceOf <Instruction.Load>(parsing.Instructions[0]);
Assert.IsInstanceOf <Instruction.Load>(parsing.Instructions[1]);
var first = (Instruction.Load)parsing.Instructions[0];
Assert.AreEqual("one", first.Path);
var second = (Instruction.Load)parsing.Instructions[1];
Assert.AreEqual("two", second.Path);
}
public void TestParsingFailedDueToTooFewArguments()
{
var cmdLine = setUpCommandLine();
var args = new[] { "load" };
var parsing = Cli.ParseInstructions(cmdLine, args);
Assert.IsNull(parsing.Instructions);
Assert.AreEqual(0, parsing.AcceptedArgs);
var errorMsg = Cli.FormatParsingErrors(args, parsing.AcceptedArgs, parsing.Errors);
var nl = System.Environment.NewLine;
Assert.AreEqual(
$"The command-line arguments could not be parsed.{nl}" +
$"Arguments (vertically ordered):{nl}" +
$"load <<< PROBLEM <<<{nl}" +
nl +
"Too few arguments specified for the command load. It requires at least one argument.",
errorMsg);
}
public void TestParsingFailedDueToAnUnknownCommand()
{
var cmdLine = setUpCommandLine();
var args = new[] { "load", "one", "unknown-command", "foobar" };
var parsing = Cli.ParseInstructions(cmdLine, args);
Assert.IsNull(parsing.Instructions);
var errorMsg = Cli.FormatParsingErrors(args, parsing.AcceptedArgs, parsing.Errors);
var nl = System.Environment.NewLine;
Assert.AreEqual(
$"The command-line arguments could not be parsed.{nl}" +
$"Arguments (vertically ordered):{nl}" +
$"load{nl}" +
$"one{nl}" +
$"unknown-command <<< PROBLEM <<<{nl}" +
$"foobar{nl}" +
$"{nl}" +
"Command unknown: unknown-command",
errorMsg);
}