mirror of
https://github.com/clap-rs/clap
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a9c6a5b531
The tests are using `to_string` which maps to `Display::fmt` and the `Colorizer` version is colorless. To get color, it is only supported with `print()` which has to go to stdout / stderr and can't be directed to an arbitrary stream.
59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
mod utils;
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use clap::{App, Arg, Error, ErrorKind};
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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 app = App::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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.about("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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.about("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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.about("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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.about("Do not push generated commit and tags to git remote"),
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);
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let mut app = app;
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let expected_kind = ErrorKind::InvalidValue;
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let err = app.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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