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