mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 06:42:33 +00:00
95 lines
2.5 KiB
Rust
95 lines
2.5 KiB
Rust
use crate::utils;
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use clap::{arg, error::ErrorKind, Arg, Command, Error};
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fn compare_error(
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err: Error,
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expected_kind: ErrorKind,
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expected_output: &str,
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stderr: bool,
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) -> bool {
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let actual_output = err.to_string();
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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_kind, err.kind());
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utils::compare(expected_output, actual_output)
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}
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#[test]
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fn app_error() {
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static MESSAGE: &str = "error: Failed for mysterious reasons
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USAGE:
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test [OPTIONS] --all
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For more information try --help
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";
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let cmd = Command::new("test")
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.arg(
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Arg::new("all")
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.short('a')
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.long("all")
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.required(true)
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.help("Also do versioning for private crates (will not be published)"),
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)
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.arg(
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Arg::new("exact")
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.long("exact")
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.help("Specify inter dependency version numbers exactly with `=`"),
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)
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.arg(
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Arg::new("no_git_commit")
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.long("no-git-commit")
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.help("Do not commit version changes"),
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)
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.arg(
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Arg::new("no_git_push")
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.long("no-git-push")
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.help("Do not push generated commit and tags to git remote"),
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);
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let mut cmd = cmd;
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let expected_kind = ErrorKind::InvalidValue;
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let err = cmd.error(expected_kind, "Failed for mysterious reasons");
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assert!(compare_error(err, expected_kind, MESSAGE, true));
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}
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#[test]
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fn value_validation_has_newline() {
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let m = Command::new("test")
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.arg(arg!(<PORT>).help("Network port to use"))
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.try_get_matches_from(["test", "foo"])
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.unwrap();
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let res = m.value_of_t::<usize>("PORT");
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assert!(res.is_err());
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let err = res.unwrap_err();
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assert!(
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err.to_string().ends_with('\n'),
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"Errors should have a trailing newline, got {:?}",
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err.to_string()
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);
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}
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#[test]
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fn argument_not_found_auto_has_newline() {
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let m = Command::new("test")
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.arg(arg!([PORT]).help("Network port to use"))
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.try_get_matches_from(["test"])
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.unwrap();
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let res = m.value_of_t::<usize>("PORT");
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assert!(res.is_err());
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let err = res.unwrap_err();
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assert!(
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err.to_string().ends_with('\n'),
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"Errors should have a trailing newline, got {:?}",
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err.to_string()
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);
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}
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