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|
use super::{Context, Module, RootModuleConfig};
use crate::configs::ruby::RubyConfig;
use crate::formatter::{StringFormatter, VersionFormatter};
/// Creates a module with the current Ruby version
///
/// Will display the Ruby version if any of the following criteria are met:
/// - Current directory contains a `.rb` file
/// - Current directory contains a `Gemfile` or `.ruby-version` file
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("ruby");
let config = RubyConfig::try_load(module.config);
let is_rb_project = context
.try_begin_scan()?
.set_files(&config.detect_files)
.set_extensions(&config.detect_extensions)
.set_folders(&config.detect_folders)
.is_match();
if !is_rb_project {
return None;
}
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
.map_meta(|var, _| match var {
"symbol" => Some(config.symbol),
_ => None,
})
.map_style(|variable| match variable {
"style" => Some(Ok(config.style)),
_ => None,
})
.map(|variable| match variable {
"version" => format_ruby_version(
&context.exec_cmd("ruby", &["-v"])?.stdout,
config.version_format,
)
.map(Ok),
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `ruby`:\n{}", error);
return None;
}
});
Some(module)
}
fn format_ruby_version(ruby_version: &str, version_format: &str) -> Option<String> {
let version = ruby_version
// split into ["ruby", "2.6.0p0", "linux/amd64"]
.split_whitespace()
// return "2.6.0p0"
.nth(1)?
// split into ["2.6.0", "0"]
.split('p')
// return "2.6.0"
.next()?;
match VersionFormatter::format_version(version, version_format) {
Ok(formatted) => Some(formatted),
Err(error) => {
log::warn!("Error formatting `ruby` version:\n{}", error);
Some(format!("v{}", version))
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test::ModuleRenderer;
use ansi_term::Color;
use std::fs::File;
use std::io;
#[test]
fn folder_without_ruby_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
let expected = None;
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_gemfile() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("Gemfile"))?.sync_all()?;
let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Red.bold().paint("💎 v2.5.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_ruby_version() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join(".ruby-version"))?.sync_all()?;
let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Red.bold().paint("💎 v2.5.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_rb_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("any.rb"))?.sync_all()?;
let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Red.bold().paint("💎 v2.5.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn test_format_ruby_version() {
let config = RubyConfig::default();
assert_eq!(
format_ruby_version(
"ruby 2.1.10p492 (2016-04-01 revision 54464) [x86_64-darwin19.0]",
config.version_format
),
Some("v2.1.10".to_string())
);
assert_eq!(
format_ruby_version(
"ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux-gnu]",
config.version_format
),
Some("v2.5.1".to_string())
);
assert_eq!(
format_ruby_version(
"ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-linux-musl]",
config.version_format
),
Some("v2.7.0".to_string())
);
}
}
|
