126 lines
4.1 KiB
Rust
126 lines
4.1 KiB
Rust
use super::{Context, Module, ModuleConfig};
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use crate::configs::elm::ElmConfig;
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use crate::formatter::StringFormatter;
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use crate::formatter::VersionFormatter;
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/// Creates a module with the current Elm version
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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let mut module = context.new_module("elm");
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let config: ElmConfig = ElmConfig::try_load(module.config);
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let is_elm_project = context
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.try_begin_scan()?
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.set_files(&config.detect_files)
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.set_extensions(&config.detect_extensions)
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.set_folders(&config.detect_folders)
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.is_match();
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if !is_elm_project {
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return None;
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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(|var, _| match var {
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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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"version" => {
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let elm_version = context.exec_cmd("elm", &["--version"])?.stdout;
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VersionFormatter::format_module_version(
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module.get_name(),
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elm_version.trim(),
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config.version_format,
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)
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.map(Ok)
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}
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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 `elm`:\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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use std::fs::{self, File};
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use std::io;
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#[test]
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fn folder_without_elm() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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let actual = ModuleRenderer::new("elm").path(dir.path()).collect();
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let expected = None;
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_elm_json() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("elm.json"))?.sync_all()?;
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let actual = ModuleRenderer::new("elm").path(dir.path()).collect();
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let expected = Some(format!("via {}", Color::Cyan.bold().paint("🌳 v0.19.1 ")));
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_elm_package_json() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("elm-package.json"))?.sync_all()?;
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let actual = ModuleRenderer::new("elm").path(dir.path()).collect();
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let expected = Some(format!("via {}", Color::Cyan.bold().paint("🌳 v0.19.1 ")));
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_elm_version() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join(".elm-version"))?.sync_all()?;
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let actual = ModuleRenderer::new("elm").path(dir.path()).collect();
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let expected = Some(format!("via {}", Color::Cyan.bold().paint("🌳 v0.19.1 ")));
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_elm_stuff_directory() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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let elmstuff = dir.path().join("elm-stuff");
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fs::create_dir_all(elmstuff)?;
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let actual = ModuleRenderer::new("elm").path(dir.path()).collect();
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let expected = Some(format!("via {}", Color::Cyan.bold().paint("🌳 v0.19.1 ")));
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assert_eq!(expected, actual);
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dir.close()
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}
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#[test]
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fn folder_with_elm_file() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("main.elm"))?.sync_all()?;
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let actual = ModuleRenderer::new("elm").path(dir.path()).collect();
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let expected = Some(format!("via {}", Color::Cyan.bold().paint("🌳 v0.19.1 ")));
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assert_eq!(expected, actual);
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dir.close()
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}
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}
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