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use super::Segment;
use ansi_term::{Color, Style};
use clap::ArgMatches;
/// Creates a segment for the prompt character
///
/// The char segment prints an arrow character in a color dependant on the exit-
/// code of the last executed command:
/// - If the exit-code was "0", the arrow will be formatted with `COLOR_SUCCESS`
/// (green by default)
/// - If the exit-code was anything else, the arrow will be formatted with
/// `COLOR_FAILURE` (red by default)
pub fn segment(args: &ArgMatches) -> Segment {
const PROMPT_CHAR: &str = "➜";
const COLOR_SUCCESS: Color = Color::Green;
const COLOR_FAILURE: Color = Color::Red;
let color = if args.value_of("status_code").unwrap() == "0" {
COLOR_SUCCESS
} else {
COLOR_FAILURE
};
Segment {
value: String::from(PROMPT_CHAR),
style: Style::from(color),
..Default::default()
}
}
#[cfg(test)]
mod tests {
use super::*;
use clap::{App, Arg};
#[test]
fn char_section_success_status() {
let args = App::new("starship")
.arg(Arg::with_name("status_code"))
.get_matches_from(vec!["starship", "0"]);
let segment = segment(&args);
assert_eq!(segment.style, Style::from(Color::Green));
}
#[test]
fn char_section_failure_status() {
let args = App::new("starship")
.arg(Arg::with_name("status_code"))
.get_matches_from(vec!["starship", "1"]);
let segment = segment(&args);
assert_eq!(segment.style, Style::from(Color::Red));
}
}
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