mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 14:52:33 +00:00
9d482d00ba
This is inspired by cargo which allows you to run `cargo test --test` and it will list the possible tests (obviously we can't support that atm because that requires a lot of runtime processing). When we do have a static list of possible values, we can at least show those. Fixes #3320
408 lines
11 KiB
Rust
408 lines
11 KiB
Rust
use crate::utils;
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use clap::{App, Arg, ErrorKind, PossibleValue};
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#[cfg(feature = "suggestions")]
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static PV_ERROR: &str = "error: \"slo\" isn't a valid value for '-O <option>'
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\t[possible values: slow, fast, \"ludicrous speed\"]
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\tDid you mean \"slow\"?
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USAGE:
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clap-test -O <option>
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For more information try --help
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";
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#[cfg(not(feature = "suggestions"))]
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static PV_ERROR: &str = "error: \"slo\" isn't a valid value for '-O <option>'
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\t[possible values: slow, fast, \"ludicrous speed\"]
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USAGE:
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clap-test -O <option>
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For more information try --help
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";
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#[cfg(feature = "suggestions")]
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static PV_ERROR_ESCAPED: &str = "error: \"ludicrous\" isn't a valid value for '-O <option>'
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\t[possible values: slow, fast, \"ludicrous speed\"]
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\tDid you mean \"ludicrous speed\"?
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USAGE:
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clap-test -O <option>
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For more information try --help
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";
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#[cfg(not(feature = "suggestions"))]
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static PV_ERROR_ESCAPED: &str = "error: \"ludicrous\" isn't a valid value for '-O <option>'
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\t[possible values: slow, fast, \"ludicrous speed\"]
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USAGE:
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clap-test -O <option>
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For more information try --help
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";
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#[test]
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fn possible_values_of_positional() {
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let m = App::new("possible_values")
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.arg(Arg::new("positional").index(1).possible_value("test123"))
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.try_get_matches_from(vec!["myprog", "test123"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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let m = m.unwrap();
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assert!(m.is_present("positional"));
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assert_eq!(m.value_of("positional"), Some("test123"));
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}
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#[test]
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fn possible_value_arg_value() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("arg_value").index(1).possible_value(
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PossibleValue::new("test123")
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.hide(false)
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.help("It's just a test"),
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),
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)
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.try_get_matches_from(vec!["myprog", "test123"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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let m = m.unwrap();
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assert!(m.is_present("arg_value"));
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assert_eq!(m.value_of("arg_value"), Some("test123"));
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}
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#[test]
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fn possible_values_of_positional_fail() {
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let m = App::new("possible_values")
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.arg(Arg::new("positional").index(1).possible_value("test123"))
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.try_get_matches_from(vec!["myprog", "notest"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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}
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#[test]
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fn possible_values_of_positional_multiple() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("positional")
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.index(1)
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.multiple_values(true),
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)
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.try_get_matches_from(vec!["myprog", "test123", "test321"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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let m = m.unwrap();
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assert!(m.is_present("positional"));
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assert_eq!(
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m.values_of("positional").unwrap().collect::<Vec<_>>(),
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vec!["test123", "test321"]
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);
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}
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#[test]
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fn possible_values_of_positional_multiple_fail() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("positional")
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.index(1)
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.multiple_values(true),
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)
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.try_get_matches_from(vec!["myprog", "test123", "notest"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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}
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#[test]
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fn possible_values_of_option() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123"),
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)
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.try_get_matches_from(vec!["myprog", "--option", "test123"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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let m = m.unwrap();
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assert!(m.is_present("option"));
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assert_eq!(m.value_of("option"), Some("test123"));
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}
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#[test]
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fn possible_values_of_option_fail() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123"),
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)
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.try_get_matches_from(vec!["myprog", "--option", "notest"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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}
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#[test]
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fn possible_values_of_option_multiple() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.multiple_occurrences(true),
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)
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.try_get_matches_from(vec!["", "--option", "test123", "--option", "test321"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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let m = m.unwrap();
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assert!(m.is_present("option"));
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assert_eq!(
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m.values_of("option").unwrap().collect::<Vec<_>>(),
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vec!["test123", "test321"]
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);
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}
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#[test]
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fn possible_values_of_option_multiple_fail() {
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let m = App::new("possible_values")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.multiple_occurrences(true),
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)
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.try_get_matches_from(vec!["", "--option", "test123", "--option", "notest"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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}
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#[test]
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fn possible_values_output() {
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assert!(utils::compare_output(
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App::new("test").arg(Arg::new("option").short('O').possible_values([
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"slow",
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"fast",
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"ludicrous speed"
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])),
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"clap-test -O slo",
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PV_ERROR,
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true
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));
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}
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#[test]
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fn possible_values_alias_output() {
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assert!(utils::compare_output(
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App::new("test").arg(
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Arg::new("option")
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.short('O')
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.possible_value("slow")
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.possible_value(PossibleValue::new("fast").alias("fost"))
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.possible_value(PossibleValue::new("ludicrous speed").aliases(["ls", "lcs"]))
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),
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"clap-test -O slo",
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PV_ERROR,
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true
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));
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}
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#[test]
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fn possible_values_hidden_output() {
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assert!(utils::compare_output(
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App::new("test").arg(
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Arg::new("option")
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.short('O')
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.possible_values(["slow", "fast"])
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.possible_value(PossibleValue::new("ludicrous speed"))
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.possible_value(PossibleValue::new("forbidden speed").hide(true))
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),
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"clap-test -O slo",
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PV_ERROR,
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true
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));
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}
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#[test]
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fn escaped_possible_values_output() {
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assert!(utils::compare_output(
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App::new("test").arg(Arg::new("option").short('O').possible_values([
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"slow",
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"fast",
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"ludicrous speed"
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])),
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"clap-test -O ludicrous",
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PV_ERROR_ESCAPED,
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true
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));
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}
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#[test]
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fn missing_possible_value_error() {
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assert!(utils::compare_output(
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App::new("test").arg(
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Arg::new("option")
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.short('O')
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.possible_value("slow")
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.possible_value(PossibleValue::new("fast").alias("fost"))
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.possible_value(PossibleValue::new("ludicrous speed"))
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.possible_value(PossibleValue::new("forbidden speed").hide(true))
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),
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"clap-test -O",
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MISSING_PV_ERROR,
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true
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));
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}
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static MISSING_PV_ERROR: &str =
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"error: The argument '-O <option>' requires a value but none was supplied
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\t[possible values: slow, fast, \"ludicrous speed\"]
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USAGE:
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clap-test [OPTIONS]
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For more information try --help
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";
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#[test]
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fn alias() {
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let m = App::new("pv")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value(PossibleValue::new("test123").alias("123"))
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.possible_value("test321")
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.ignore_case(true),
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)
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.try_get_matches_from(vec!["pv", "--option", "123"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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assert!(m.unwrap().value_of("option").unwrap().eq("123"));
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}
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#[test]
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fn aliases() {
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let m = App::new("pv")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value(PossibleValue::new("test123").aliases(["1", "2", "3"]))
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.possible_value("test321")
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.ignore_case(true),
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)
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.try_get_matches_from(vec!["pv", "--option", "2"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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assert!(m.unwrap().value_of("option").unwrap().eq("2"));
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}
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#[test]
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fn ignore_case() {
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let m = App::new("pv")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.ignore_case(true),
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)
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.try_get_matches_from(vec!["pv", "--option", "TeSt123"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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assert!(m
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.unwrap()
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.value_of("option")
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.unwrap()
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.eq_ignore_ascii_case("test123"));
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}
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#[test]
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fn ignore_case_fail() {
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let m = App::new("pv")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321"),
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)
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.try_get_matches_from(vec!["pv", "--option", "TeSt123"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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}
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#[test]
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fn ignore_case_multiple() {
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let m = App::new("pv")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.multiple_values(true)
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.ignore_case(true),
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)
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.try_get_matches_from(vec!["pv", "--option", "TeSt123", "teST123", "tESt321"]);
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assert!(m.is_ok(), "{}", m.unwrap_err());
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assert_eq!(
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m.unwrap().values_of("option").unwrap().collect::<Vec<_>>(),
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&["TeSt123", "teST123", "tESt321"]
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);
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}
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#[test]
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fn ignore_case_multiple_fail() {
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let m = App::new("pv")
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.arg(
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Arg::new("option")
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.short('o')
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.long("--option")
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.takes_value(true)
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.possible_value("test123")
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.possible_value("test321")
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.multiple_values(true),
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)
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.try_get_matches_from(vec!["pv", "--option", "test123", "teST123", "test321"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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}
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