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//! This module defines the [Literal]. To set it up from [Cli], a [Config] and its
//! [Default] value, use its [configure_from](Configurable::configure_from) method.
use super::Configurable;
use crate::app::Cli;
use crate::config_file::Config;
/// The flag to set in order to show literal file names without quotes.
#[derive(Clone, Debug, Copy, PartialEq, Eq, Default)]
pub struct Literal(pub bool);
impl Configurable<Self> for Literal {
/// Get a potential `Literal` value from [Cli].
///
/// If the "literal" argument is passed, this returns a `Literal` with value `true` in a
/// [Some]. Otherwise this returns `Literal` with value `false` in a [Some].
fn from_cli(cli: &Cli) -> Option<Self> {
if cli.literal {
Some(Self(true))
} else {
Some(Self(false))
}
}
/// Get a potential `Literal` value from a [Config].
///
/// If the `Config::indicators` has value,
/// this returns its value as the value of the `Literal`, in a [Some].
/// Otherwise this returns `Literal` with value `false` in a [Some].
fn from_config(config: &Config) -> Option<Self> {
if let Some(value) = config.literal {
Some(Self(value))
} else {
Some(Self(false))
}
}
}
#[cfg(test)]
mod test {
use clap::Parser;
use super::Literal;
use crate::app::Cli;
use crate::config_file::Config;
use crate::flags::Configurable;
#[test]
fn test_from_cli_none() {
let argv = ["lsd"];
let cli = Cli::try_parse_from(argv).unwrap();
assert_eq!(Some(Literal(false)), Literal::from_cli(&cli));
}
#[test]
fn test_from_cli_literal() {
let argv = ["lsd", "--literal"];
let cli = Cli::try_parse_from(argv).unwrap();
assert_eq!(Some(Literal(true)), Literal::from_cli(&cli));
}
#[test]
fn test_from_config_none() {
assert_eq!(
Some(Literal(false)),
Literal::from_config(&Config::with_none())
);
}
#[test]
fn test_from_config_true() {
let mut c = Config::with_none();
c.literal = Some(true);
assert_eq!(Some(Literal(true)), Literal::from_config(&c));
}
#[test]
fn test_from_config_false() {
let mut c = Config::with_none();
c.literal = Some(false);
assert_eq!(Some(Literal(false)), Literal::from_config(&c));
}
}
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