mirror of
https://github.com/clap-rs/clap
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2d83a7b12e
This is a cheap pass at creating this to allow cutting out the cost of rich error information / programmatic error information. This cuts about 20 KiB off of the binary. There is more we could cut out, like collecting of used arguments for the usage, but I want to keep the conditionals simple.
129 lines
4.1 KiB
Rust
129 lines
4.1 KiB
Rust
use clap::{error::ErrorKind, Arg, ArgAction, Command};
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#[cfg(feature = "error-context")]
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use super::utils;
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#[test]
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fn empty_values() {
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let m = Command::new("config")
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.arg(Arg::new("config").long("config").action(ArgAction::Set))
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.try_get_matches_from(&["config", "--config", ""])
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.unwrap();
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assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""));
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}
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#[test]
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fn empty_values_with_equals() {
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let m = Command::new("config")
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.arg(Arg::new("config").long("config").action(ArgAction::Set))
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.try_get_matches_from(&["config", "--config="])
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.unwrap();
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assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""));
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let m = Command::new("config")
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.arg(Arg::new("config").short('c').action(ArgAction::Set))
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.try_get_matches_from(&["config", "-c="])
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.unwrap();
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assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""))
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}
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#[test]
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fn no_empty_values() {
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let m = Command::new("config")
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.arg(
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Arg::new("config")
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.long("config")
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new()),
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)
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.try_get_matches_from(&["config", "--config", ""]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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let m = Command::new("config")
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.arg(
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Arg::new("config")
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.short('c')
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new()),
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)
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.try_get_matches_from(&["config", "-c", ""]);
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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 no_empty_values_with_equals() {
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let m = Command::new("config")
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.arg(
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Arg::new("config")
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.long("config")
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new()),
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)
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.try_get_matches_from(&["config", "--config="]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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let m = Command::new("config")
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.arg(
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Arg::new("config")
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.short('c')
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new()),
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)
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.try_get_matches_from(&["config", "-c="]);
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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 no_empty_values_without_equals() {
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let m = Command::new("config")
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.arg(
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Arg::new("config")
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.long("config")
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new()),
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)
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.try_get_matches_from(&["config", "--config"]);
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::InvalidValue);
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let m = Command::new("config")
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.arg(
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Arg::new("config")
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.short('c')
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new()),
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)
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.try_get_matches_from(&["config", "-c"]);
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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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#[cfg(feature = "error-context")]
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fn no_empty_values_without_equals_but_requires_equals() {
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let cmd = Command::new("config").arg(
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Arg::new("config")
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.long("config")
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.action(ArgAction::Set)
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.value_parser(clap::builder::NonEmptyStringValueParser::new())
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.require_equals(true),
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);
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let m = cmd.clone().try_get_matches_from(&["config", "--config"]);
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// Should error on no equals rather than empty value.
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assert!(m.is_err());
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assert_eq!(m.unwrap_err().kind(), ErrorKind::NoEquals);
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static NO_EUQALS_ERROR: &str =
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"error: Equal sign is needed when assigning values to '--config=<config>'.
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Usage: config [OPTIONS]
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For more information try '--help'
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";
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utils::assert_output(cmd, "config --config", NO_EUQALS_ERROR, true);
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}
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