mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 23:02:31 +00:00
8cb9a7d486
This commit introduces a new feature called `"regex"`. It adds a new function `validator_regex` to `Arg` and was inspired by the discussion in #1968. The name `validator_regex` was chosen instead of `regex_validator` to make sure that the developer keeps in mind that there may only be a single `Validator` on an `Arg`. The feature can be used with YAML files, however there is no proper pattern in `clap_app!` (yet).
130 lines
3.6 KiB
Rust
130 lines
3.6 KiB
Rust
#![cfg(feature = "yaml")]
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use clap::{load_yaml, App, ValueHint};
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#[test]
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fn create_app_from_yaml() {
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let yaml = load_yaml!("fixtures/app.yaml");
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App::from(yaml);
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}
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// TODO: Uncomment to test yaml with 2 spaces https://github.com/chyh1990/yaml-rust/issues/101
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// #[test]
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// fn create_app_from_yaml_2spaces() {
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// let yaml = load_yaml!("fixtures/app_2space.yaml");
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// App::from(yaml);
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// }
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#[test]
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fn help_message() {
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let yaml = load_yaml!("fixtures/app.yaml");
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let mut app = App::from(yaml);
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// Generate the full help message!
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let _ = app.try_get_matches_from_mut(Vec::<String>::new());
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let mut help_buffer = Vec::new();
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app.write_help(&mut help_buffer).unwrap();
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let help_string = String::from_utf8(help_buffer).unwrap();
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assert!(help_string
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.contains("-h, --help prints help with a nonstandard description\n"));
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}
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#[test]
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fn author() {
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let yaml = load_yaml!("fixtures/app.yaml");
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let mut app = App::from(yaml);
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// Generate the full help message!
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let _ = app.try_get_matches_from_mut(Vec::<String>::new());
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let mut help_buffer = Vec::new();
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app.write_help(&mut help_buffer).unwrap();
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let help_string = String::from_utf8(help_buffer).unwrap();
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assert!(help_string.contains("Kevin K. <kbknapp@gmail.com>"));
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}
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// ValueHint must be parsed correctly from Yaml
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#[test]
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fn value_hint() {
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let yml = load_yaml!("fixtures/app.yaml");
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let app = App::from(yml);
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let arg = app
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.get_arguments()
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.find(|a| a.get_name() == "value_hint")
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.unwrap();
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assert_eq!(arg.get_value_hint(), ValueHint::FilePath);
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}
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#[test]
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fn default_value_if_not_triggered_by_argument() {
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let yml = load_yaml!("fixtures/app.yaml");
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let app = App::from(yml);
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// Fixtures use "other" as value
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let matches = app.try_get_matches_from(vec!["prog", "wrong"]).unwrap();
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assert!(matches.value_of("positional2").is_none());
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}
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#[test]
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fn default_value_if_triggered_by_matching_argument() {
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let yml = load_yaml!("fixtures/app.yaml");
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let app = App::from(yml);
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let matches = app.try_get_matches_from(vec!["prog", "other"]).unwrap();
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assert_eq!(matches.value_of("positional2").unwrap(), "something");
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}
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#[test]
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fn default_value_if_triggered_by_flag() {
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let yml = load_yaml!("fixtures/app.yaml");
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let app = App::from(yml);
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let matches = app
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.try_get_matches_from(vec!["prog", "--flag", "flagvalue"])
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.unwrap();
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assert_eq!(matches.value_of("positional2").unwrap(), "some");
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}
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#[test]
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fn default_value_if_triggered_by_flag_and_argument() {
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let yml = load_yaml!("fixtures/app.yaml");
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let app = App::from(yml);
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let matches = app
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.try_get_matches_from(vec!["prog", "--flag", "flagvalue", "other"])
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.unwrap();
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// First condition triggers, therefore "some"
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assert_eq!(matches.value_of("positional2").unwrap(), "some");
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}
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#[cfg(feature = "regex")]
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#[test]
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fn regex_with_invalid_string() {
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let yml = load_yaml!("fixtures/app_regex.yaml");
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let app = App::from(yml);
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let res = app.try_get_matches_from(vec!["prog", "not a proper filter"]);
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assert!(res.is_err());
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}
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#[cfg(feature = "regex")]
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#[test]
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fn regex_with_valid_string() {
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let yml = load_yaml!("fixtures/app_regex.yaml");
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let app = App::from(yml);
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let matches = app.try_get_matches_from(vec!["prog", "*.txt"]).unwrap();
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assert_eq!(matches.value_of("filter").unwrap(), "*.txt");
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}
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#[cfg(feature = "regex")]
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#[test]
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#[should_panic]
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fn regex_with_invalid_yaml() {
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let yml = load_yaml!("fixtures/app_regex_invalid.yaml");
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let _app = App::from(yml);
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}
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