public void Example_Documentation()
{
var swA = new CommandSwitch("AAA", 'a');
swA.AddParameter(Arity.One, "a-param");
swA.SetHelp("Help for A.");
var swB = new CommandSwitch("be");
swB.AddParameter(Arity.NoneOrOne, "b-param");
swB.SetHelp("Help for B.");
var parser = new Parser();
parser.AddSwitch(swA);
parser.AddSwitch(swB);
var result = parser.Parse(new string[] { "-a", "111", "--be=222", "path1" });
Assert.AreEqual(1, result.pathsCount);
Assert.AreEqual("path1", result.paths[0]);
Assert.AreEqual(2, result.switchesCount);
Assert.AreEqual("AAA", result.switches[0].primaryName);
Assert.AreEqual("111", result.switches[0].args[0]);
Assert.AreEqual("be", result.switches[1].primaryName);
Assert.AreEqual("222", result.switches[1].args[0]);
}
public void RepeatedSwitches_OneOrNoneArgIncorrect_Throws()
{
var parser = new Parser();
var swA = new CommandSwitch("AA", 'a');
swA.AddParameter(Arity.NoneOrOne, "ones");
parser.AddSwitch(swA);
Assert.Throws <InvalidInput>(() => parser.Parse(new string[] { "-a=111", "--AA=222" }));
}
public void SwitchesWithArguments_OneOrNone_NoValue()
{
var parser = new Parser();
var swA = new CommandSwitch("a");
swA.AddParameter(Arity.NoneOrOne, "ones");
parser.AddSwitch(swA);
var result = parser.Parse(new string[] { "-a" });
Assert.AreEqual(0, result.pathsCount);
Assert.AreEqual(1, result.switchesCount);
Assert.AreEqual("a", result.switches[0].primaryName);
Assert.AreEqual(0, result.switches[0].argsCount);
}
public void GetHelp_MaybeParam()
{
var sw1 = new CommandSwitch("switch");
sw1.SetHelp("Help here");
sw1.AddParameter(Arity.NoneOrOne, "p");
StringBuilder sb = new StringBuilder();
sw1.GetHelp(new Setup(), sb);
var actual = sb.ToString();
var expected = " --switch[=p] Help here\n";
Assert.AreEqual(expected, actual);
}
public void GetHelp_WhenNoLongNameAndNoAltNames()
{
var sw1 = new CommandSwitch("s");
sw1.SetHelp("Help here");
sw1.AddParameter(Arity.NoneOrOne, "p");
StringBuilder sb = new StringBuilder();
sw1.GetHelp(new Setup(), sb);
var actual = sb.ToString();
var expected = " -s[=p] Help here\n";
Assert.AreEqual(expected, actual);
}
public void RepeatedSwitches_OneArg()
{
var parser = new Parser();
var swA = new CommandSwitch("AA", 'a');
swA.AddParameter(Arity.One, "ones");
parser.AddSwitch(swA);
var result = parser.Parse(new string[] { "-a", "111", "--AA" });
Assert.AreEqual(0, result.pathsCount);
Assert.AreEqual(1, result.switchesCount);
Assert.AreEqual("AA", result.switches[0].primaryName);
Assert.AreEqual(1, result.switches[0].argsCount);
Assert.AreEqual("111", result.switches[0].args[0]);
}
public void GetHelp_OneParam()
{
var sw1 = new CommandSwitch("switch", 's');
sw1.AddAlternativeNames("alt");
sw1.SetHelp("Help here");
sw1.AddParameter(Arity.One, "p");
StringBuilder sb = new StringBuilder();
sw1.GetHelp(new Setup(), sb);
var actual = sb.ToString();
var expected = " -s --switch, --alt <p> Help here\n";
Assert.AreEqual(expected, actual);
}
public void SwitchesWithArguments_Many()
{
var parser = new Parser();
var swA = new CommandSwitch("a");
swA.AddParameter(Arity.Any, "ones");
parser.AddSwitch(swA);
var result = parser.Parse(new string[] { "-a", "111", "222" });
Assert.AreEqual(0, result.pathsCount);
Assert.AreEqual(1, result.switchesCount);
Assert.AreEqual("a", result.switches[0].primaryName);
Assert.AreEqual(2, result.switches[0].argsCount);
Assert.AreEqual("111", result.switches[0].args[0]);
Assert.AreEqual("222", result.switches[0].args[1]);
}
public void SwitchesWithArguments_Many_InterruptedBySwitch()
{
var parser = new Parser();
var swA = new CommandSwitch("a");
var swBE = new CommandSwitch("be");
swA.AddParameter(Arity.Any, "ones");
swBE.AddParameter(Arity.NoneOrOne, "threes");
parser.AddSwitch(swA);
parser.AddSwitch(swBE);
var result = parser.Parse(new string[] { "-a", "111", "222", "--be=333" });
Assert.AreEqual(0, result.pathsCount);
Assert.AreEqual(2, result.switchesCount);
Assert.AreEqual("a", result.switches[0].primaryName);
Assert.AreEqual(2, result.switches[0].argsCount);
Assert.AreEqual("111", result.switches[0].args[0]);
Assert.AreEqual("222", result.switches[0].args[1]);
Assert.AreEqual("be", result.switches[1].primaryName);
Assert.AreEqual("333", result.switches[1].args[0]);
}