mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 14:52:33 +00:00
139 lines
4.1 KiB
Rust
139 lines
4.1 KiB
Rust
extern crate clap;
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use clap::{App, Arg, SubCommand, AppSettings, ErrorKind};
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#[test]
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fn sub_command_negate_required() {
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App::new("sub_command_negate")
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.setting(AppSettings::SubcommandsNegateReqs)
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.arg(Arg::with_name("test")
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.required(true)
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.index(1))
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.subcommand(SubCommand::with_name("sub1"))
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.get_matches_from(vec!["myprog", "sub1"]);
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}
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#[test]
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fn global_version() {
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let app = App::new("global_version")
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.setting(AppSettings::GlobalVersion)
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.version("1.1")
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.subcommand(SubCommand::with_name("sub1"));
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assert_eq!(app.p.subcommands[0].p.meta.version, Some("1.1"));
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}
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#[test]
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fn sub_command_negate_required_2() {
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let result = App::new("sub_command_negate")
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.setting(AppSettings::SubcommandsNegateReqs)
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.arg(Arg::with_name("test")
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.required(true)
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.index(1))
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.subcommand(SubCommand::with_name("sub1"))
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.get_matches_from_safe(vec![""]);
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assert!(result.is_err());
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let err = result.err().unwrap();
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assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
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}
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#[test]
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fn sub_command_required() {
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let result = App::new("sc_required")
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.setting(AppSettings::SubcommandRequired)
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.subcommand(SubCommand::with_name("sub1"))
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.get_matches_from_safe(vec![""]);
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assert!(result.is_err());
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let err = result.err().unwrap();
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assert_eq!(err.kind, ErrorKind::MissingSubcommand);
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}
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#[test]
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fn arg_required_else_help() {
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let result = App::new("arg_required")
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.setting(AppSettings::ArgRequiredElseHelp)
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.arg(Arg::with_name("test")
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.index(1))
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.get_matches_from_safe(vec![""]);
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assert!(result.is_err());
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let err = result.err().unwrap();
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assert_eq!(err.kind, ErrorKind::MissingArgumentOrSubcommand);
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}
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#[test]
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fn no_bin_name() {
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let result = App::new("arg_required")
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.setting(AppSettings::NoBinaryName)
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.arg(Arg::with_name("test")
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.required(true)
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.index(1))
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.get_matches_from_safe(vec!["testing"]);
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assert!(result.is_ok());
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let matches = result.unwrap();
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assert_eq!(matches.value_of("test").unwrap(), "testing");
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}
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#[test]
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fn unified_help() {
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let mut app = App::new("test")
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.author("Kevin K.")
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.about("tests stuff")
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.version("1.3")
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.setting(AppSettings::UnifiedHelpMessage)
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.args_from_usage("-f, --flag 'some flag'
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[arg1] 'some pos arg'
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--option [opt] 'some option'");
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// We call a get_matches method to cause --help and --version to be built
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let _ = app.get_matches_from_safe_borrow(vec![""]);
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// Now we check the output of print_help()
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let mut help = vec![];
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app.write_help(&mut help).ok().expect("failed to print help");
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assert_eq!(&*String::from_utf8_lossy(&*help), &*String::from("test 1.3\n\
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Kevin K.
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tests stuff
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USAGE:
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test [OPTIONS] [ARGS]
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OPTIONS:
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-f, --flag some flag
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-h, --help Prints help information
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--option <opt> some option
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-V, --version Prints version information
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ARGS:
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[arg1] some pos arg\n"));
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}
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#[test]
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fn skip_possible_values() {
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let mut app = App::new("test")
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.author("Kevin K.")
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.about("tests stuff")
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.version("1.3")
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.setting(AppSettings::HidePossibleValuesInHelp)
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.args(&[Arg::from_usage("-o, --opt [opt] 'some option'").possible_values(&["one", "two"]),
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Arg::from_usage("[arg1] 'some pos arg'").possible_values(&["three", "four"])]);
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// We call a get_matches method to cause --help and --version to be built
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let _ = app.get_matches_from_safe_borrow(vec![""]);
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// Now we check the output of print_help()
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let mut help = vec![];
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app.write_help(&mut help).expect("failed to print help");
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assert_eq!(&*String::from_utf8_lossy(&*help), &*String::from("test 1.3\n\
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Kevin K.
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tests stuff
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USAGE:
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test [FLAGS] [OPTIONS] [ARGS]
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FLAGS:
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-h, --help Prints help information
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-V, --version Prints version information
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OPTIONS:
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-o, --opt <opt> some option
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ARGS:
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[arg1] some pos arg\n"));
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}
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