public void Test_formal_usage()
{
const string DOC =
"Usage: prog [-hv] ARG\r\n" +
" prog N M\r\n" +
"\r\n" +
" prog is a program.";
var usage = Docopt.ParseSection("usage:", DOC).First();
Assert.AreEqual("Usage: prog [-hv] ARG\r\n prog N M", usage);
Assert.AreEqual("( [-hv] ARG ) | ( N M )", Docopt.FormalUsage(usage));
}
public void Should_parse_usage_section_correctly()
{
const string USAGE = @"usage: this
usage:hai
usage: this that
usage: foo
bar
PROGRAM USAGE:
foo
bar
" +
"usage:\r\n\ttoo\r\n" +
"\ttar\r\n" +
@"Usage: eggs spam
BAZZ
usage: pit stop
";
Assert.AreEqual(new string[] {}, Docopt.ParseSection("usage:", "foo bar fizz buzz"), "No usage");
Assert.AreEqual(new[] { "usage: prog" }, Docopt.ParseSection("usage:", "usage: prog"), "One line usage");
Assert.AreEqual(new[] { @"usage: -args\r\n -y" }, Docopt.ParseSection("usage:", @"usage: -args\r\n -y"),
"Multi line usage");
Assert.AreEqual(new[]
{
"usage: this",
"usage:hai",
"usage: this that",
@"usage: foo
bar",
@"PROGRAM USAGE:
foo
bar",
"usage:\r\n\ttoo\r\n\ttar",
"Usage: eggs spam",
"usage: pit stop"
}, Docopt.ParseSection("usage:", USAGE), "Variations on casing, spaces and tabs");
}