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use super::{Context, Module, RootModuleConfig};
use super::utils::directory::truncate;
use crate::configs::conda::CondaConfig;
use crate::formatter::StringFormatter;
/// Creates a module with the current Conda environment
///
/// Will display the Conda environment iff `$CONDA_DEFAULT_ENV` is set.
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
// Reference implementation: https://github.com/denysdovhan/spaceship-prompt/blob/master/sections/conda.zsh
let conda_env = context
.get_env("CONDA_DEFAULT_ENV")
.unwrap_or_else(|| "".into());
if conda_env.trim().is_empty() {
return None;
}
let mut module = context.new_module("conda");
let config: CondaConfig = CondaConfig::try_load(module.config);
if config.ignore_base && conda_env == "base" {
return None;
}
let conda_env = truncate(conda_env, config.truncation_length);
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 {
"environment" => Some(Ok(conda_env.as_str())),
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `conda`:\n{}", error);
return None;
}
});
Some(module)
}
#[cfg(test)]
mod tests {
use crate::test::ModuleRenderer;
use ansi_term::Color;
#[test]
fn not_in_env() {
let actual = ModuleRenderer::new("conda").collect();
let expected = None;
assert_eq!(expected, actual);
}
#[test]
fn ignore_base() {
let actual = ModuleRenderer::new("conda")
.env("CONDA_DEFAULT_ENV", "base")
.config(toml::toml! {
[conda]
ignore_base = true
})
.collect();
let expected = None;
assert_eq!(expected, actual);
}
#[test]
fn env_set() {
let actual = ModuleRenderer::new("conda")
.env("CONDA_DEFAULT_ENV", "astronauts")
.collect();
let expected = Some(format!(
"via {} ",
Color::Green.bold().paint("🅒 astronauts")
));
assert_eq!(expected, actual);
}
#[test]
fn truncate() {
let actual = ModuleRenderer::new("conda")
.env("CONDA_DEFAULT_ENV", "/some/really/long/and/really/annoying/path/that/shouldnt/be/displayed/fully/conda/my_env")
.collect();
let expected = Some(format!("via {} ", Color::Green.bold().paint("🅒 my_env")));
assert_eq!(expected, actual);
}
}
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