99 lines
2.7 KiB
Rust
99 lines
2.7 KiB
Rust
use super::{Context, Module, ModuleConfig};
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use super::utils::truncate::truncate_text;
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use crate::configs::meson::MesonConfig;
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use crate::formatter::StringFormatter;
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/// Creates a module with the current Meson dev environment
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///
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/// Will display the Meson environment if `$MESON_DEVENV` and `MESON_PROJECT_NAME` are set.
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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let meson_env = context.get_env("MESON_DEVENV")?;
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let project_env = context.get_env("MESON_PROJECT_NAME")?;
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if meson_env != "1" || project_env.trim().is_empty() {
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return None;
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}
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let mut module = context.new_module("meson");
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let config: MesonConfig = MesonConfig::try_load(module.config);
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let truncated_text = truncate_text(
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&project_env,
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config.truncation_length as usize,
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config.truncation_symbol,
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);
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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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"project" => Some(Ok(&truncated_text)),
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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 `meson`:\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 not_in_env() {
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let actual = ModuleRenderer::new("meson").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("meson")
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.env("MESON_DEVENV", "1")
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.env("MESON_PROJECT_NAME", "starship")
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.collect();
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let expected = Some(format!("via {} ", Color::Blue.bold().paint("⬢ starship")));
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assert_eq!(expected, actual);
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}
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#[test]
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fn env_invalid_devenv() {
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let actual = ModuleRenderer::new("meson")
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.env("MESON_DEVENV", "0")
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.env("MESON_PROJECT_NAME", "starship")
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.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_invalid_project_name() {
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let actual = ModuleRenderer::new("meson")
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.env("MESON_DEVENV", "1")
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.env("MESON_PROJECT_NAME", " ")
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.collect();
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let expected = None;
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assert_eq!(expected, actual);
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}
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}
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