mirror of
https://github.com/clap-rs/clap
synced 2024-12-16 07:42:32 +00:00
108 lines
3.7 KiB
Rust
108 lines
3.7 KiB
Rust
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#![allow(unused_imports, dead_code)]
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use std::io::{BufRead, Cursor, Write};
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use std::str;
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use regex::Regex;
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use clap::{arg, Arg, ArgGroup, Command};
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#[track_caller]
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pub fn assert_eq<S, S2>(expected: S, actual: S2)
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where
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S: AsRef<str>,
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S2: AsRef<str>,
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{
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let expected = expected.as_ref();
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let actual = actual.as_ref();
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snapbox::assert_eq(expected, actual);
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}
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#[track_caller]
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pub fn assert_output(l: Command, args: &str, expected: &str, stderr: bool) {
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let mut buf = Cursor::new(Vec::with_capacity(50));
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let res = l.try_get_matches_from(args.split(' ').collect::<Vec<_>>());
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let err = res.unwrap_err();
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write!(&mut buf, "{}", err).unwrap();
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let actual = buf.into_inner();
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let actual = String::from_utf8(actual).unwrap();
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assert_eq!(
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stderr,
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err.use_stderr(),
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"Should Use STDERR failed. Should be {} but is {}",
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stderr,
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err.use_stderr()
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);
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assert_eq(expected, actual)
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}
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// Legacy tests from the python script days
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pub fn complex_app() -> Command<'static> {
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let opt3_vals = ["fast", "slow"];
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let pos3_vals = ["vi", "emacs"];
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Command::new("clap-test")
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.version("v1.4.8")
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.about("tests clap library")
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.author("Kevin K. <kbknapp@gmail.com>")
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.arg(
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arg!(
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-o --option <opt> "tests options"
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)
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.required(false)
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.multiple_values(true)
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.multiple_occurrences(true),
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)
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.arg(arg!([positional] "tests positionals"))
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.arg(arg!(-f --flag ... "tests flags").global(true))
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.args(&[
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arg!(flag2: -F "tests flags with exclusions")
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.conflicts_with("flag")
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.requires("long-option-2"),
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arg!(--"long-option-2" <option2> "tests long options with exclusions")
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.required(false)
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.conflicts_with("option")
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.requires("positional2"),
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arg!([positional2] "tests positionals with exclusions"),
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arg!(-O --option3 <option3> "specific vals")
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.required(false)
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.possible_values(opt3_vals),
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arg!([positional3] ... "tests specific values").possible_values(pos3_vals),
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arg!(--multvals "Tests multiple values, not mult occs")
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.value_names(&["one", "two"])
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.required(false),
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arg!(--multvalsmo ... "Tests multiple values, and mult occs")
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.value_names(&["one", "two"])
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.required(false),
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arg!(--minvals2 <minvals> "Tests 2 min vals")
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.required(false)
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.min_values(2),
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arg!(--maxvals3 <maxvals> "Tests 3 max vals")
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.required(false)
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.max_values(3),
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arg!(--optvaleq <optval> "Tests optional value, require = sign")
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.required(false)
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.min_values(0)
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.number_of_values(1)
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.require_equals(true),
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arg!(--optvalnoeq <optval> "Tests optional value")
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.required(false)
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.min_values(0)
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.number_of_values(1),
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])
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.subcommand(
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Command::new("subcmd")
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.about("tests subcommands")
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.version("0.1")
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.author("Kevin K. <kbknapp@gmail.com>")
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.arg(
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arg!(-o --option <scoption> "tests options")
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.required(false)
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.multiple_values(true),
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)
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.arg(arg!(-s --subcmdarg <subcmdarg> "tests other args").required(false))
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.arg(arg!([scpositional] "tests positionals")),
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)
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}
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