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|
use clap::{arg, Arg, ArgAction, Command};
#[test]
fn issue_1076() {
let mut cmd = Command::new("myprog")
.arg(
Arg::new("GLOBAL_ARG")
.long("global-arg")
.help("Specifies something needed by the subcommands")
.global(true)
.action(ArgAction::Set)
.default_value("default_value"),
)
.arg(
Arg::new("GLOBAL_FLAG")
.long("global-flag")
.help("Specifies something needed by the subcommands")
.global(true)
.action(ArgAction::Set),
)
.subcommand(Command::new("outer").subcommand(Command::new("inner")));
let _ = cmd.try_get_matches_from_mut(vec!["myprog"]);
let _ = cmd.try_get_matches_from_mut(vec!["myprog"]);
let _ = cmd.try_get_matches_from_mut(vec!["myprog"]);
}
#[test]
fn propagate_global_arg_in_subcommand_to_subsubcommand_1385() {
let m1 = Command::new("foo")
.subcommand(
Command::new("sub1")
.arg(
Arg::new("arg1")
.long("arg1")
.action(ArgAction::Set)
.global(true),
)
.subcommand(Command::new("sub1a")),
)
.try_get_matches_from(["foo", "sub1", "--arg1", "v1", "sub1a"])
.unwrap();
assert_eq!(
"v1",
m1.subcommand_matches("sub1")
.unwrap()
.subcommand_matches("sub1a")
.unwrap()
.get_one::<String>("arg1")
.map(|v| v.as_str())
.unwrap()
);
}
#[test]
fn propagate_global_arg_to_subcommand_in_subsubcommand_2053() {
let m = Command::new("opts")
.arg(arg!(--"global-flag").global(true))
.arg(arg!(--"global-str" <str>).global(true))
.subcommand(
Command::new("test")
.arg(arg!(--"sub-flag").global(true))
.arg(arg!(--"sub-str" <str>).global(true))
.subcommand(Command::new("test")),
)
.try_get_matches_from([
"cmd",
"test",
"test",
"--global-flag",
"--global-str",
"hello",
"--sub-flag",
"--sub-str",
"world",
])
.unwrap();
assert_eq!(
Some("world"),
m.subcommand_matches("test")
.unwrap()
.get_one::<String>("sub-str")
.map(|v| v.as_str())
);
}
#[test]
fn global_arg_available_in_subcommand() {
let m = Command::new("opt")
.args([
Arg::new("global")
.global(true)
.long("global")
.action(ArgAction::SetTrue),
Arg::new("not")
.global(false)
.long("not")
.action(ArgAction::SetTrue),
])
.subcommand(Command::new("ping"))
.try_get_matches_from(["opt", "ping", "--global"])
.unwrap();
assert!(*m.get_one::<bool>("global").expect("defaulted by clap"));
assert!(*m
.subcommand_matches("ping")
.unwrap()
.get_one::<bool>("global")
.expect("defaulted by clap"));
}
#[test]
fn deeply_nested_discovery() {
let cmd = Command::new("a")
.arg(arg!(--"long-a").global(true).action(ArgAction::SetTrue))
.subcommand(
Command::new("b")
.arg(arg!(--"long-b").global(true).action(ArgAction::SetTrue))
.subcommand(
Command::new("c")
.arg(arg!(--"long-c").global(true).action(ArgAction::SetTrue))
.subcommand(Command::new("d")),
),
);
let m = cmd
.try_get_matches_from(["a", "b", "c", "d", "--long-a", "--long-b", "--long-c"])
.unwrap();
assert!(*m.get_one::<bool>("long-a").expect("defaulted by clap"));
let m = m.subcommand_matches("b").unwrap();
assert!(*m.get_one::<bool>("long-b").expect("defaulted by clap"));
let m = m.subcommand_matches("c").unwrap();
assert!(*m.get_one::<bool>("long-c").expect("defaulted by clap"));
}
#[test]
fn global_overrides_default() {
let cmd = Command::new("test")
.arg(
Arg::new("name")
.long("name")
.global(true)
.action(ArgAction::Set)
.default_value("from_default"),
)
.subcommand(Command::new("sub"));
let m = cmd.clone().try_get_matches_from(["test"]).unwrap();
assert_eq!(
m.get_one::<String>("name").unwrap().as_str(),
"from_default"
);
let m = cmd
.clone()
.try_get_matches_from(["test", "--name", "from_arg"])
.unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_arg");
let m = cmd
.clone()
.try_get_matches_from(["test", "--name", "from_arg", "sub"])
.unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_arg");
let m = cmd
.clone()
.try_get_matches_from(["test", "sub", "--name", "from_arg"])
.unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_arg");
}
#[test]
#[cfg(feature = "env")]
fn global_overrides_env() {
std::env::set_var("GLOBAL_OVERRIDES_ENV", "from_env");
let cmd = Command::new("test")
.arg(
Arg::new("name")
.long("name")
.global(true)
.action(ArgAction::Set)
.env("GLOBAL_OVERRIDES_ENV"),
)
.subcommand(Command::new("sub"));
let m = cmd.clone().try_get_matches_from(["test"]).unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_env");
let m = cmd
.clone()
.try_get_matches_from(["test", "--name", "from_arg"])
.unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_arg");
let m = cmd
.clone()
.try_get_matches_from(["test", "--name", "from_arg", "sub"])
.unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_arg");
let m = cmd
.clone()
.try_get_matches_from(["test", "sub", "--name", "from_arg"])
.unwrap();
assert_eq!(m.get_one::<String>("name").unwrap().as_str(), "from_arg");
}
|
