vendor/clap/src/builder/tests.rs

   1 use crate::Arg;
   2 use crate::Command;
   3
   4 #[test]
   5 fn propagate_version() {
   6     let mut cmd = Command::new("test")
   7         .propagate_version(true)
   8         .version("1.1")
   9         .subcommand(Command::new("sub1"));
  10     cmd._propagate();
  11     assert_eq!(
  12         cmd.get_subcommands().next().unwrap().get_version(),
  13         Some("1.1")
  14     );
  15 }
  16
  17 #[test]
  18 fn global_setting() {
  19     let mut cmd = Command::new("test")
  20         .disable_version_flag(true)
  21         .subcommand(Command::new("subcmd"));
  22     cmd._propagate();
  23     assert!(cmd
  24         .get_subcommands()
  25         .find(|s| s.get_name() == "subcmd")
  26         .unwrap()
  27         .is_disable_version_flag_set());
  28 }
  29
  30 // This test will *fail to compile* if Command is not Send + Sync
  31 #[test]
  32 fn app_send_sync() {
  33     fn foo<T: Send + Sync>(_: T) {}
  34     foo(Command::new("test"))
  35 }
  36
  37 #[test]
  38 fn issue_2090() {
  39     let mut cmd = Command::new("cmd")
  40         .disable_version_flag(true)
  41         .subcommand(Command::new("sub"));
  42     cmd._build_self(false);
  43
  44     assert!(cmd
  45         .get_subcommands()
  46         .next()
  47         .unwrap()
  48         .is_disable_version_flag_set());
  49 }
  50
  51 // This test will *fail to compile* if Arg is not Send + Sync
  52 #[test]
  53 fn arg_send_sync() {
  54     fn foo<T: Send + Sync>(_: T) {}
  55     foo(Arg::new("test"))
  56 }