147 lines
4.3 KiB
Rust
147 lines
4.3 KiB
Rust
use super::{Context, Module, RootModuleConfig};
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use crate::configs::ruby::RubyConfig;
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use crate::formatter::StringFormatter;
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use crate::utils;
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/// Creates a module with the current Ruby version
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///
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/// Will display the Ruby version if any of the following criteria are met:
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/// - Current directory contains a `.rb` file
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/// - Current directory contains a `Gemfile` or `.ruby-version` file
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pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
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let is_rb_project = context
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.try_begin_scan()?
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.set_files(&["Gemfile", ".ruby-version"])
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.set_extensions(&["rb"])
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.is_match();
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if !is_rb_project {
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return None;
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}
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let mut module = context.new_module("ruby");
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let config = RubyConfig::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(|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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format_ruby_version(&utils::exec_cmd("ruby", &["-v"])?.stdout.as_str()).map(Ok)
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}
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_ => None,
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})
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.parse(None)
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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 `ruby`:\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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fn format_ruby_version(ruby_version: &str) -> Option<String> {
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let version = ruby_version
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// split into ["ruby", "2.6.0p0", "linux/amd64"]
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.split_whitespace()
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// return "2.6.0p0"
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.nth(1)?
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// split into ["2.6.0", "0"]
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.split('p')
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// return "2.6.0"
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.next()?;
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let mut formatted_version = String::with_capacity(version.len() + 1);
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formatted_version.push('v');
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formatted_version.push_str(version);
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Some(formatted_version)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::test::ModuleRenderer;
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use ansi_term::Color;
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use std::fs::File;
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use std::io;
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#[test]
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fn folder_without_ruby_files() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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let actual = ModuleRenderer::new("ruby").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_gemfile() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("Gemfile"))?.sync_all()?;
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let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
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let expected = Some(format!("via {} ", Color::Red.bold().paint("💎 v2.5.1")));
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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_ruby_version() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join(".ruby-version"))?.sync_all()?;
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let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
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let expected = Some(format!("via {} ", Color::Red.bold().paint("💎 v2.5.1")));
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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_rb_file() -> io::Result<()> {
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let dir = tempfile::tempdir()?;
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File::create(dir.path().join("any.rb"))?.sync_all()?;
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let actual = ModuleRenderer::new("ruby").path(dir.path()).collect();
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let expected = Some(format!("via {} ", Color::Red.bold().paint("💎 v2.5.1")));
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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 test_format_ruby_version() -> io::Result<()> {
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assert_eq!(
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format_ruby_version("ruby 2.1.10p492 (2016-04-01 revision 54464) [x86_64-darwin19.0]"),
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Some("v2.1.10".to_string())
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);
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assert_eq!(
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format_ruby_version("ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux-gnu]"),
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Some("v2.5.1".to_string())
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);
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assert_eq!(
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format_ruby_version(
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"ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-linux-musl]"
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),
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Some("v2.7.0".to_string())
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);
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Ok(())
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}
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}
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