use super::utils;
use clap::{arg, error::ErrorKind, Arg, ArgAction, ArgGroup, Command};
static REQ_GROUP_USAGE: &str = "error: The following required arguments were not provided:
USAGE:
clap-test
For more information try --help
";
static REQ_GROUP_CONFLICT_USAGE: &str =
"error: The argument '--delete' cannot be used with ''
USAGE:
clap-test
For more information try --help
";
static REQ_GROUP_CONFLICT_ONLY_OPTIONS: &str =
"error: The argument '--delete' cannot be used with '--all'
USAGE:
clap-test <--all|--delete>
For more information try --help
";
#[test]
fn required_group_missing_arg() {
let result = Command::new("group")
.arg(arg!(-f --flag "some flag"))
.arg(arg!( -c --color "some other flag"))
.group(ArgGroup::new("req").args(&["flag", "color"]).required(true))
.try_get_matches_from(vec![""]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind(), ErrorKind::MissingRequiredArgument);
}
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Argument group 'req' contains non-existent argument"]
fn non_existing_arg() {
let _ = Command::new("group")
.arg(arg!(-f --flag "some flag"))
.arg(arg!(-c --color "some other flag"))
.group(ArgGroup::new("req").args(&["flg", "color"]).required(true))
.try_get_matches_from(vec![""]);
}
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Argument group name must be unique\n\n\t'req' is already in use"]
fn unique_group_name() {
let _ = Command::new("group")
.arg(arg!(-f --flag "some flag"))
.arg(arg!(-c --color "some other flag"))
.group(ArgGroup::new("req").args(&["flag"]).required(true))
.group(ArgGroup::new("req").args(&["color"]).required(true))
.try_get_matches_from(vec![""]);
}
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Argument group name '' must not conflict with argument name"]
fn groups_new_of_arg_name() {
let _ = Command::new("group")
.arg(Arg::new("a").long("a").group("a"))
.try_get_matches_from(vec!["", "--a"]);
}
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Argument group name 'a' must not conflict with argument name"]
fn arg_group_new_of_arg_name() {
let _ = Command::new("group")
.arg(Arg::new("a").long("a").group("a"))
.group(ArgGroup::new("a"))
.try_get_matches_from(vec!["", "--a"]);
}
#[test]
fn group_single_value() {
let res = Command::new("group")
.arg(arg!(-c --color [color] "some option"))
.arg(arg!(-n --hostname "another option").required(false))
.group(ArgGroup::new("grp").args(&["hostname", "color"]))
.try_get_matches_from(vec!["", "-c", "blue"]);
assert!(res.is_ok(), "{}", res.unwrap_err());
let m = res.unwrap();
assert!(m.contains_id("grp"));
assert_eq!(
m.get_one::("grp").map(|v| v.as_str()).unwrap(),
"blue"
);
}
#[test]
fn group_empty() {
let res = Command::new("group")
.arg(arg!(-c --color [color] "some option"))
.arg(arg!(-n --hostname "another option").required(false))
.group(ArgGroup::new("grp").args(&["hostname", "color"]))
.try_get_matches_from(vec![""]);
assert!(res.is_ok(), "{}", res.unwrap_err());
let m = res.unwrap();
assert!(!m.contains_id("grp"));
assert!(m.get_one::("grp").map(|v| v.as_str()).is_none());
}
#[test]
fn group_required_flags_empty() {
let result = Command::new("group")
.arg(arg!(-c --color "some option"))
.arg(arg!(-n --hostname "another option").required(false))
.group(
ArgGroup::new("grp")
.required(true)
.args(&["hostname", "color"]),
)
.try_get_matches_from(vec![""]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind(), ErrorKind::MissingRequiredArgument);
}
#[test]
fn group_multi_value_single_arg() {
let res = Command::new("group")
.arg(arg!(-c --color "some option").num_args(1..))
.arg(arg!(-n --hostname "another option").required(false))
.group(ArgGroup::new("grp").args(&["hostname", "color"]))
.try_get_matches_from(vec!["", "-c", "blue", "red", "green"]);
assert!(res.is_ok(), "{:?}", res.unwrap_err().kind());
let m = res.unwrap();
assert!(m.contains_id("grp"));
assert_eq!(
&*m.get_many::("grp")
.unwrap()
.map(|v| v.as_str())
.collect::>(),
&["blue", "red", "green"]
);
}
#[test]
fn empty_group() {
let r = Command::new("empty_group")
.arg(arg!(-f --flag "some flag"))
.group(ArgGroup::new("vers").required(true))
.try_get_matches_from(vec!["empty_prog"]);
assert!(r.is_err());
let err = r.err().unwrap();
assert_eq!(err.kind(), ErrorKind::MissingRequiredArgument);
}
#[test]
fn req_group_usage_string() {
let cmd = Command::new("req_group")
.arg(arg!([base] "Base commit"))
.arg(arg!(
-d --delete "Remove the base commit information"
))
.group(
ArgGroup::new("base_or_delete")
.args(&["base", "delete"])
.required(true),
);
utils::assert_output(cmd, "clap-test", REQ_GROUP_USAGE, true);
}
#[test]
fn req_group_with_conflict_usage_string() {
let cmd = Command::new("req_group")
.arg(arg!([base] "Base commit").conflicts_with("delete"))
.arg(arg!(
-d --delete "Remove the base commit information"
))
.group(
ArgGroup::new("base_or_delete")
.args(&["base", "delete"])
.required(true),
);
utils::assert_output(
cmd,
"clap-test --delete base",
REQ_GROUP_CONFLICT_USAGE,
true,
);
}
#[test]
fn req_group_with_conflict_usage_string_only_options() {
let cmd = Command::new("req_group")
.arg(arg!(-a --all "All").conflicts_with("delete"))
.arg(arg!(
-d --delete "Remove the base commit information"
))
.group(
ArgGroup::new("all_or_delete")
.args(&["all", "delete"])
.required(true),
);
utils::assert_output(
cmd,
"clap-test --delete --all",
REQ_GROUP_CONFLICT_ONLY_OPTIONS,
true,
);
}
#[test]
fn required_group_multiple_args() {
let result = Command::new("group")
.arg(arg!(-f --flag "some flag").action(ArgAction::SetTrue))
.arg(arg!(-c --color "some other flag").action(ArgAction::SetTrue))
.group(
ArgGroup::new("req")
.args(&["flag", "color"])
.required(true)
.multiple(true),
)
.try_get_matches_from(vec!["group", "-f", "-c"]);
assert!(result.is_ok(), "{}", result.unwrap_err());
let m = result.unwrap();
assert!(*m.get_one::("flag").expect("defaulted by clap"));
assert!(*m.get_one::("color").expect("defaulted by clap"));
}
#[test]
fn group_multiple_args_error() {
let result = Command::new("group")
.arg(arg!(-f --flag "some flag"))
.arg(arg!(-c --color "some other flag"))
.group(ArgGroup::new("req").args(&["flag", "color"]))
.try_get_matches_from(vec!["group", "-f", "-c"]);
assert!(result.is_err());
let err = result.unwrap_err();
assert_eq!(err.kind(), ErrorKind::ArgumentConflict);
}
#[test]
fn group_overrides_required() {
let command = Command::new("group")
.arg(arg!(--foo ))
.arg(arg!(--bar ))
.group(ArgGroup::new("group").args(&["foo", "bar"]).required(true));
let result = command.try_get_matches_from(vec!["group", "--foo", "value"]);
assert!(result.is_ok(), "{}", result.unwrap_err());
let m = result.unwrap();
assert!(m.contains_id("foo"));
assert!(!m.contains_id("bar"));
}
#[test]
fn group_usage_use_val_name() {
static GROUP_USAGE_USE_VAL_NAME: &str = "prog
USAGE:
prog
ARGS:
OPTIONS:
-h, --help Print help information
";
let cmd = Command::new("prog")
.arg(Arg::new("a").value_name("A"))
.group(ArgGroup::new("group").arg("a").required(true));
utils::assert_output(cmd, "prog --help", GROUP_USAGE_USE_VAL_NAME, false);
}
#[test]
fn group_acts_like_arg() {
let result = Command::new("prog")
.arg(
Arg::new("debug")
.long("debug")
.group("mode")
.action(ArgAction::SetTrue),
)
.arg(
Arg::new("verbose")
.long("verbose")
.group("mode")
.action(ArgAction::SetTrue),
)
.try_get_matches_from(vec!["prog", "--debug"]);
assert!(result.is_ok(), "{}", result.unwrap_err());
let m = result.unwrap();
assert!(m.contains_id("mode"));
}
/* This is used to be fixed in a hack, we need to find a better way to fix it.
#[test]
fn issue_1794() {
let cmd = clap::Command::new("hello")
.bin_name("deno")
.arg(Arg::new("option1").long("option1").action(ArgAction::SetTrue))
.arg(Arg::new("pos1").action(ArgAction::Set))
.arg(Arg::new("pos2").action(ArgAction::Set))
.group(
ArgGroup::new("arg1")
.args(&["pos1", "option1"])
.required(true),
);
let m = cmd.clone().try_get_matches_from(&["cmd", "pos1", "pos2"]).unwrap();
assert_eq!(m.get_one::("pos1").map(|v| v.as_str()), Some("pos1"));
assert_eq!(m.get_one::("pos2").map(|v| v.as_str()), Some("pos2"));
assert!(!*m.get_one::("option1").expect("defaulted by clap"));
let m = cmd
.clone()
.try_get_matches_from(&["cmd", "--option1", "positional"]).unwrap();
assert_eq!(m.get_one::("pos1").map(|v| v.as_str()), None);
assert_eq!(m.get_one::("pos2").map(|v| v.as_str()), Some("positional"));
assert!(*m.get_one::("option1").expect("defaulted by clap"));
}
*/