mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 14:52:33 +00:00
171 lines
4.5 KiB
Rust
171 lines
4.5 KiB
Rust
extern crate clap;
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extern crate regex;
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include!("../clap-test.rs");
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use clap::{App, SubCommand, ErrorKind};
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static HELP: &'static str = "clap-test v1.4.8
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Kevin K. <kbknapp@gmail.com>
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tests clap library
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USAGE:
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clap-test [FLAGS] [OPTIONS] [ARGS] [SUBCOMMAND]
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FLAGS:
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-f, --flag tests flags
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-F tests flags with exclusions
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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, --Option <option3> specific vals [values: fast, slow]
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--long-option-2 <option2> tests long options with exclusions
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--maxvals3 <maxvals>... Tests 3 max vals
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--minvals2 <minvals>... Tests 2 min vals
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--multvals <one> <two> Tests mutliple values, not mult occs
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--multvalsmo <one> <two> Tests mutliple values, and mult occs
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-o, --option <opt>... tests options
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ARGS:
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<positional> tests positionals
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<positional2> tests positionals with exclusions
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<positional3>... tests specific values [values: vi, emacs]
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SUBCOMMANDS:
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help Prints this message or the help of the given subcommand(s)
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subcmd tests subcommands";
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static AFTER_HELP: &'static str = "some text that comes before the help
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clap-test v1.4.8
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tests clap library
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USAGE:
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clap-test
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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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some text that comes after the help";
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static SC_HELP: &'static str = "subcmd 0.1
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Kevin K. <kbknapp@gmail.com>
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tests subcommands
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USAGE:
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subcmd [FLAGS] [OPTIONS] [--] [scpositional]
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FLAGS:
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-f, --flag tests flags
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OPTIONS:
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-o, --option <scoption>... tests options
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ARGS:
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<scpositional> tests positionals";
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#[test]
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fn help_short() {
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let m = 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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.get_matches_from_safe(vec!["myprog", "-h"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
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}
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#[test]
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fn help_long() {
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let m = 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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.get_matches_from_safe(vec!["myprog", "--help"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
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}
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#[test]
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fn help_no_subcommand() {
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let m = 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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.get_matches_from_safe(vec!["myprog", "help"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::UnknownArgument);
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}
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#[test]
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fn help_subcommand() {
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let m = 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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.subcommand(SubCommand::with_name("test")
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.about("tests things")
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.arg_from_usage("-v --verbose 'with verbosity'"))
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.get_matches_from_safe(vec!["myprog", "help"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
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}
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#[test]
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fn subcommand_short_help() {
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let m = test::complex_app()
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.get_matches_from_safe(vec!["clap-test", "subcmd", "-h"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
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}
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#[test]
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fn subcommand_long_help() {
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let m = test::complex_app()
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.get_matches_from_safe(vec!["clap-test", "subcmd", "--help"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
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}
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#[test]
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fn subcommand_help_rev() {
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let m = test::complex_app()
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.get_matches_from_safe(vec!["clap-test", "help", "subcmd"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
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}
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#[test]
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fn complex_help_output() {
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test::check_help(test::complex_app(), HELP);
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}
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#[test]
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fn after_and_before_help_output() {
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let app = App::new("clap-test")
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.version("v1.4.8")
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.about("tests clap library")
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.before_help("some text that comes before the help")
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.after_help("some text that comes after the help");
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test::check_help(app, AFTER_HELP);
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}
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#[test]
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fn complex_subcommand_help_output() {
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let mut a = test::complex_app();
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let _ = a.get_matches_from_safe_borrow(vec![""]);
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let sc = a.p.subcommands.iter().filter(|s| s.p.meta.name == "subcmd").next().unwrap();
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// Now we check the output of print_help()
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let mut help = vec![];
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sc.write_help(&mut help).ok().expect("failed to print help");
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assert_eq!(&*String::from_utf8(help).unwrap(), SC_HELP);
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}
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