Import clap-2.33.0
Change-Id: I8136432e35ba508561dfda67ae2ddc385bdf1085
diff --git a/clap-test.rs b/clap-test.rs
new file mode 100644
index 0000000..7d57ac4
--- /dev/null
+++ b/clap-test.rs
@@ -0,0 +1,86 @@
+#[allow(unused_imports, dead_code)]
+mod test {
+ use std::str;
+ use std::io::{Cursor, Write};
+
+ use regex::Regex;
+
+ use clap::{App, Arg, SubCommand, ArgGroup};
+
+ fn compare<S, S2>(l: S, r: S2) -> bool
+ where S: AsRef<str>,
+ S2: AsRef<str>
+ {
+ let re = Regex::new("\x1b[^m]*m").unwrap();
+ // Strip out any mismatching \r character on windows that might sneak in on either side
+ let ls = l.as_ref().trim().replace("\r", "");
+ let rs = r.as_ref().trim().replace("\r", "");
+ let left = re.replace_all(&*ls, "");
+ let right = re.replace_all(&*rs, "");
+ let b = left == right;
+ if !b {
+ println!();
+ println!("--> left");
+ println!("{}", left);
+ println!("--> right");
+ println!("{}", right);
+ println!("--")
+ }
+ b
+ }
+
+ pub fn compare_output(l: App, args: &str, right: &str, stderr: bool) -> bool {
+ let mut buf = Cursor::new(Vec::with_capacity(50));
+ let res = l.get_matches_from_safe(args.split(' ').collect::<Vec<_>>());
+ let err = res.unwrap_err();
+ err.write_to(&mut buf).unwrap();
+ let content = buf.into_inner();
+ let left = String::from_utf8(content).unwrap();
+ assert_eq!(stderr, err.use_stderr());
+ compare(left, right)
+ }
+ pub fn compare_output2(l: App, args: &str, right1: &str, right2: &str, stderr: bool) -> bool {
+ let mut buf = Cursor::new(Vec::with_capacity(50));
+ let res = l.get_matches_from_safe(args.split(' ').collect::<Vec<_>>());
+ let err = res.unwrap_err();
+ err.write_to(&mut buf).unwrap();
+ let content = buf.into_inner();
+ let left = String::from_utf8(content).unwrap();
+ assert_eq!(stderr, err.use_stderr());
+ compare(&*left, right1) || compare(&*left, right2)
+ }
+
+ // Legacy tests from the Python script days
+
+ pub fn complex_app() -> App<'static, 'static> {
+ let args = "-o --option=[opt]... 'tests options'
+ [positional] 'tests positionals'";
+ let opt3_vals = ["fast", "slow"];
+ let pos3_vals = ["vi", "emacs"];
+ App::new("clap-test")
+ .version("v1.4.8")
+ .about("tests clap library")
+ .author("Kevin K. <kbknapp@gmail.com>")
+ .args_from_usage(args)
+ .arg(Arg::from_usage("-f --flag... 'tests flags'")
+ .global(true))
+ .args(&[
+ Arg::from_usage("[flag2] -F 'tests flags with exclusions'").conflicts_with("flag").requires("long-option-2"),
+ Arg::from_usage("--long-option-2 [option2] 'tests long options with exclusions'").conflicts_with("option").requires("positional2"),
+ Arg::from_usage("[positional2] 'tests positionals with exclusions'"),
+ Arg::from_usage("-O --Option [option3] 'specific vals'").possible_values(&opt3_vals),
+ Arg::from_usage("[positional3]... 'tests specific values'").possible_values(&pos3_vals),
+ Arg::from_usage("--multvals [one] [two] 'Tests multiple values, not mult occs'"),
+ Arg::from_usage("--multvalsmo... [one] [two] 'Tests multiple values, and mult occs'"),
+ Arg::from_usage("--minvals2 [minvals]... 'Tests 2 min vals'").min_values(2),
+ Arg::from_usage("--maxvals3 [maxvals]... 'Tests 3 max vals'").max_values(3)
+ ])
+ .subcommand(SubCommand::with_name("subcmd")
+ .about("tests subcommands")
+ .version("0.1")
+ .author("Kevin K. <kbknapp@gmail.com>")
+ .arg_from_usage("-o --option [scoption]... 'tests options'")
+ .arg_from_usage("-s --subcmdarg [subcmdarg] 'tests other args'")
+ .arg_from_usage("[scpositional] 'tests positionals'"))
+ }
+}