mirror of
https://github.com/clap-rs/clap
synced 2024-12-15 07:12:32 +00:00
045bf99ae0
This is prep for moving the derive tests. Besides organizing the test folder for each API, this should reduce link time at the cost of re-compiling more when a test changes.
667 lines
20 KiB
Rust
667 lines
20 KiB
Rust
use crate::utils;
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use clap::{arg, App, Arg, ErrorKind};
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#[test]
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fn opts() {
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let r = App::new("df")
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.arg(
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arg!(o: -o <opt> "some opt")
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.required(false)
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.default_value("default"),
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)
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.try_get_matches_from(vec![""]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("o"));
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assert_eq!(m.value_of("o").unwrap(), "default");
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}
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#[test]
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fn opt_without_value_fail() {
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let r = App::new("df")
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.arg(
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arg!(o: -o <opt> "some opt")
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.required(false)
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.default_value("default")
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.forbid_empty_values(true),
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)
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.try_get_matches_from(vec!["", "-o"]);
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assert!(r.is_err());
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let err = r.unwrap_err();
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assert_eq!(err.kind, ErrorKind::EmptyValue);
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assert!(err
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.to_string()
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.contains("The argument '-o <opt>' requires a value but none was supplied"));
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}
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#[test]
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fn opt_user_override() {
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let r = App::new("df")
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.arg(
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arg!(--opt <FILE> "some arg")
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.required(false)
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.default_value("default"),
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)
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.try_get_matches_from(vec!["", "--opt", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("opt"));
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assert_eq!(m.value_of("opt").unwrap(), "value");
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}
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#[test]
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fn positionals() {
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let r = App::new("df")
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.arg(arg!([arg] "some opt").default_value("default"))
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.try_get_matches_from(vec![""]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "default");
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}
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#[test]
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fn positional_user_override() {
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let r = App::new("df")
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.arg(arg!([arg] "some arg").default_value("default"))
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.try_get_matches_from(vec!["", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "value");
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}
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// OsStr Default Values
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#[test]
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fn osstr_opts() {
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use std::ffi::OsStr;
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let expected = OsStr::new("default");
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let r = App::new("df")
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.arg(
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arg!(o: -o <opt> "some opt")
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.required(false)
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.default_value_os(expected),
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)
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.try_get_matches_from(vec![""]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("o"));
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assert_eq!(m.value_of("o").unwrap(), expected);
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}
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#[test]
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fn osstr_opt_user_override() {
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use std::ffi::OsStr;
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let default = OsStr::new("default");
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let r = App::new("df")
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.arg(
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arg!(--opt <FILE> "some arg")
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.required(false)
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.default_value_os(default),
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)
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.try_get_matches_from(vec!["", "--opt", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("opt"));
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assert_eq!(m.value_of("opt").unwrap(), "value");
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}
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#[test]
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fn osstr_positionals() {
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use std::ffi::OsStr;
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let expected = OsStr::new("default");
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let r = App::new("df")
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.arg(arg!([arg] "some opt").default_value_os(expected))
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.try_get_matches_from(vec![""]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), expected);
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}
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#[test]
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fn osstr_positional_user_override() {
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use std::ffi::OsStr;
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let default = OsStr::new("default");
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let r = App::new("df")
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.arg(arg!([arg] "some arg").default_value_os(default))
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.try_get_matches_from(vec!["", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "value");
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}
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// --- Default if arg is present
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#[test]
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fn default_if_arg_present_no_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(true))
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.arg(arg!([arg] "some arg").default_value_if("opt", None, Some("default")))
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.try_get_matches_from(vec!["", "--opt", "some"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "default");
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}
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#[test]
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fn default_if_arg_present_no_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!([arg] "some arg").default_value_if("opt", None, Some("default")))
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.try_get_matches_from(vec!["", "--opt", "some", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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#[test]
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fn default_if_arg_present_no_arg_with_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", None, Some("default")),
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)
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.try_get_matches_from(vec![""]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "first");
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}
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#[test]
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fn default_if_arg_present_with_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", None, Some("default")),
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)
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.try_get_matches_from(vec!["", "--opt", "some"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "default");
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}
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#[test]
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fn default_if_arg_present_with_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", None, Some("default")),
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)
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.try_get_matches_from(vec!["", "--opt", "some", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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#[test]
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fn default_if_arg_present_no_arg_with_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", None, Some("default")),
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)
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.try_get_matches_from(vec!["", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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// Conditional Default Values
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#[test]
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fn default_if_arg_present_with_value_no_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!([arg] "some arg").default_value_if("opt", Some("value"), Some("default")))
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.try_get_matches_from(vec!["", "--opt", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "default");
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}
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#[test]
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fn default_if_arg_present_with_value_no_default_fail() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!([arg] "some arg").default_value_if("opt", Some("value"), Some("default")))
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.try_get_matches_from(vec!["", "--opt", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(!m.is_present("arg"));
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assert!(m.value_of("arg").is_none());
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}
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#[test]
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fn default_if_arg_present_with_value_no_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!([arg] "some arg").default_value_if("opt", Some("some"), Some("default")))
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.try_get_matches_from(vec!["", "--opt", "some", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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#[test]
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fn default_if_arg_present_with_value_no_arg_with_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", Some("some"), Some("default")),
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)
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.try_get_matches_from(vec![""]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "first");
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}
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#[test]
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fn default_if_arg_present_with_value_no_arg_with_default_fail() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", Some("some"), Some("default")),
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)
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.try_get_matches_from(vec!["", "--opt", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "first");
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}
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#[test]
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fn default_if_arg_present_with_value_with_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", Some("some"), Some("default")),
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)
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.try_get_matches_from(vec!["", "--opt", "some"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "default");
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}
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#[test]
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fn default_if_arg_present_with_value_with_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", Some("some"), Some("default")),
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)
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.try_get_matches_from(vec!["", "--opt", "some", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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#[test]
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fn default_if_arg_present_no_arg_with_value_with_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", Some("some"), Some("default")),
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)
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.try_get_matches_from(vec!["", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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#[test]
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fn default_if_arg_present_no_arg_with_value_with_default_user_override_fail() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_if("opt", Some("some"), Some("default")),
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)
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.try_get_matches_from(vec!["", "--opt", "value", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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// Unsetting the default
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#[test]
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fn no_default_if_arg_present_with_value_no_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!([arg] "some arg").default_value_if("opt", Some("value"), None))
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.try_get_matches_from(vec!["", "--opt", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(!m.is_present("arg"));
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}
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#[test]
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fn no_default_if_arg_present_with_value_with_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("default")
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.default_value_if("opt", Some("value"), None),
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)
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.try_get_matches_from(vec!["", "--opt", "value"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(!m.is_present("arg"));
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assert!(m.value_of("arg").is_none());
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}
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#[test]
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fn no_default_if_arg_present_with_value_with_default_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("default")
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.default_value_if("opt", Some("value"), None),
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)
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.try_get_matches_from(vec!["", "--opt", "value", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "other");
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}
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#[test]
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fn no_default_if_arg_present_no_arg_with_value_with_default() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(
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arg!([arg] "some arg")
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.default_value("default")
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.default_value_if("opt", Some("value"), None),
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)
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.try_get_matches_from(vec!["", "--opt", "other"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "default");
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}
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// Multiple conditions
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#[test]
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fn default_ifs_arg_present() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!(--flag "some arg"))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_ifs(&[
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("opt", Some("some"), Some("default")),
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("flag", None, Some("flg")),
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]),
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)
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.try_get_matches_from(vec!["", "--flag"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(m.is_present("arg"));
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assert_eq!(m.value_of("arg").unwrap(), "flg");
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}
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#[test]
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fn no_default_ifs_arg_present() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!(--flag "some arg"))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_ifs(&[("opt", Some("some"), Some("default")), ("flag", None, None)]),
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)
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.try_get_matches_from(vec!["", "--flag"]);
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assert!(r.is_ok());
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let m = r.unwrap();
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assert!(!m.is_present("arg"));
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assert!(m.value_of("arg").is_none());
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}
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#[test]
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fn default_ifs_arg_present_user_override() {
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let r = App::new("df")
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.arg(arg!(--opt <FILE> "some arg").required(false))
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.arg(arg!(--flag "some arg"))
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.arg(
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arg!([arg] "some arg")
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.default_value("first")
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.default_value_ifs(&[
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("opt", Some("some"), Some("default")),
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("flag", None, Some("flg")),
|
|
]),
|
|
)
|
|
.try_get_matches_from(vec!["", "--flag", "value"]);
|
|
assert!(r.is_ok());
|
|
let m = r.unwrap();
|
|
assert!(m.is_present("arg"));
|
|
assert_eq!(m.value_of("arg").unwrap(), "value");
|
|
}
|
|
|
|
#[test]
|
|
fn default_ifs_arg_present_order() {
|
|
let r = App::new("df")
|
|
.arg(arg!(--opt <FILE> "some arg").required(false))
|
|
.arg(arg!(--flag "some arg"))
|
|
.arg(
|
|
arg!([arg] "some arg")
|
|
.default_value("first")
|
|
.default_value_ifs(&[
|
|
("opt", Some("some"), Some("default")),
|
|
("flag", None, Some("flg")),
|
|
]),
|
|
)
|
|
.try_get_matches_from(vec!["", "--opt=some", "--flag"]);
|
|
assert!(r.is_ok());
|
|
let m = r.unwrap();
|
|
assert!(m.is_present("arg"));
|
|
assert_eq!(m.value_of("arg").unwrap(), "default");
|
|
}
|
|
|
|
// Interaction with requires
|
|
|
|
#[test]
|
|
fn conditional_reqs_pass() {
|
|
let m = App::new("Test app")
|
|
.arg(
|
|
Arg::new("target")
|
|
.takes_value(true)
|
|
.default_value("file")
|
|
.long("target"),
|
|
)
|
|
.arg(
|
|
Arg::new("input")
|
|
.takes_value(true)
|
|
.required(true)
|
|
.long("input"),
|
|
)
|
|
.arg(
|
|
Arg::new("output")
|
|
.takes_value(true)
|
|
.required_if_eq("target", "file")
|
|
.long("output"),
|
|
)
|
|
.try_get_matches_from(vec!["test", "--input", "some", "--output", "other"]);
|
|
|
|
assert!(m.is_ok());
|
|
let m = m.unwrap();
|
|
assert_eq!(m.value_of("output"), Some("other"));
|
|
assert_eq!(m.value_of("input"), Some("some"));
|
|
}
|
|
|
|
#[test]
|
|
fn multiple_defaults() {
|
|
let r = App::new("diff")
|
|
.arg(
|
|
Arg::new("files")
|
|
.long("files")
|
|
.number_of_values(2)
|
|
.allow_invalid_utf8(true)
|
|
.default_values(&["old", "new"]),
|
|
)
|
|
.try_get_matches_from(vec![""]);
|
|
assert!(r.is_ok());
|
|
let m = r.unwrap();
|
|
assert!(m.is_present("files"));
|
|
assert_eq!(m.values_of_lossy("files").unwrap(), vec!["old", "new"]);
|
|
}
|
|
|
|
#[test]
|
|
fn multiple_defaults_override() {
|
|
let r = App::new("diff")
|
|
.arg(
|
|
Arg::new("files")
|
|
.long("files")
|
|
.number_of_values(2)
|
|
.allow_invalid_utf8(true)
|
|
.default_values(&["old", "new"]),
|
|
)
|
|
.try_get_matches_from(vec!["", "--files", "other", "mine"]);
|
|
assert!(r.is_ok());
|
|
let m = r.unwrap();
|
|
assert!(m.is_present("files"));
|
|
assert_eq!(m.values_of_lossy("files").unwrap(), vec!["other", "mine"]);
|
|
}
|
|
|
|
#[test]
|
|
fn default_vals_donnot_show_in_smart_usage() {
|
|
let app = App::new("bug")
|
|
.arg(
|
|
Arg::new("foo")
|
|
.long("config")
|
|
.takes_value(true)
|
|
.default_value("bar"),
|
|
)
|
|
.arg(Arg::new("input").required(true));
|
|
|
|
assert!(utils::compare_output(
|
|
app,
|
|
"bug",
|
|
"error: The following required arguments were not provided:
|
|
<input>
|
|
|
|
USAGE:
|
|
bug [OPTIONS] <input>
|
|
|
|
For more information try --help
|
|
",
|
|
true,
|
|
));
|
|
}
|
|
|
|
#[test]
|
|
fn issue_1050_num_vals_and_defaults() {
|
|
let res = App::new("hello")
|
|
.arg(
|
|
Arg::new("exit-code")
|
|
.long("exit-code")
|
|
.takes_value(true)
|
|
.number_of_values(1)
|
|
.default_value("0"),
|
|
)
|
|
.try_get_matches_from(vec!["hello", "--exit-code=1"]);
|
|
assert!(res.is_ok());
|
|
let m = res.unwrap();
|
|
assert_eq!(m.value_of("exit-code"), Some("1"));
|
|
}
|
|
|
|
#[cfg(debug_assertions)]
|
|
#[test]
|
|
#[should_panic = "Argument group 'group' is required but all of it's arguments have a default value."]
|
|
fn required_groups_with_default_values() {
|
|
use clap::{App, Arg, ArgGroup};
|
|
|
|
let _ = App::new("test")
|
|
.arg(Arg::new("arg").default_value("value"))
|
|
.group(ArgGroup::new("group").args(&["arg"]).required(true))
|
|
.try_get_matches();
|
|
}
|
|
|
|
#[cfg(debug_assertions)]
|
|
#[test]
|
|
#[should_panic = "Argument 'arg' is required and can't have a default value"]
|
|
fn required_args_with_default_values() {
|
|
use clap::{App, Arg};
|
|
|
|
let _ = App::new("test")
|
|
.arg(Arg::new("arg").required(true).default_value("value"))
|
|
.try_get_matches();
|
|
}
|
|
|
|
#[test]
|
|
fn with_value_delimiter() {
|
|
let app = App::new("multiple_values").arg(
|
|
Arg::new("option")
|
|
.long("option")
|
|
.help("multiple options")
|
|
.value_delimiter(';')
|
|
.default_value("first;second"),
|
|
);
|
|
|
|
let matches = app.get_matches_from(vec![""]);
|
|
|
|
assert_eq!(
|
|
matches.values_of("option").unwrap().collect::<Vec<_>>(),
|
|
["first", "second"]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn missing_with_value_delimiter() {
|
|
let app = App::new("program").arg(
|
|
Arg::new("option")
|
|
.long("option")
|
|
.value_delimiter(';')
|
|
.default_missing_values(&["value1;value2;value3", "value4;value5"]),
|
|
);
|
|
|
|
let matches = app.get_matches_from(vec!["program", "--option"]);
|
|
|
|
assert_eq!(
|
|
matches.values_of("option").unwrap().collect::<Vec<_>>(),
|
|
["value1", "value2", "value3", "value4", "value5"]
|
|
);
|
|
}
|