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use super::{Context, Module, RootModuleConfig};
use crate::configs::singularity::SingularityConfig;
use crate::formatter::StringFormatter;
/// Creates a module with the current Singularity image
///
/// Will display the Singularity image if `$SINGULARITY_NAME` is set.
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let singularity_env = context.get_env("SINGULARITY_NAME")?;
let mut module = context.new_module("singularity");
let config: SingularityConfig = SingularityConfig::try_load(module.config);
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
.map_meta(|variable, _| match variable {
"symbol" => Some(config.symbol),
_ => None,
})
.map_style(|variable| match variable {
"style" => Some(Ok(config.style)),
_ => None,
})
.map(|variable| match variable {
"env" => Some(Ok(&singularity_env)),
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `singularity`: \n{}", error);
return None;
}
});
Some(module)
}
#[cfg(test)]
mod tests {
use crate::test::ModuleRenderer;
use ansi_term::Color;
#[test]
fn no_env_set() {
let actual = ModuleRenderer::new("singularity").collect();
let expected = None;
assert_eq!(expected, actual);
}
#[test]
fn env_set() {
let actual = ModuleRenderer::new("singularity")
.env("SINGULARITY_NAME", "centos.img")
.collect();
let expected = Some(format!(
"{} ",
Color::Blue.bold().dimmed().paint("[centos.img]")
));
assert_eq!(expected, actual);
}
}
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