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|
use super::{Context, Module, RootModuleConfig};
use crate::configs::nim::NimConfig;
use crate::formatter::StringFormatter;
use crate::formatter::VersionFormatter;
/// Creates a module with the current Nim version
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("nim");
let config = NimConfig::try_load(module.config);
let is_nim_project = context
.try_begin_scan()?
.set_files(&config.detect_files)
.set_extensions(&config.detect_extensions)
.set_folders(&config.detect_files)
.is_match();
if !is_nim_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" => context
.exec_cmd("nim", &["--version"])
.map(|command_output| command_output.stdout)
.and_then(|nim_version_output| {
let nim_version = parse_nim_version(&nim_version_output)?;
VersionFormatter::format_module_version(
module.get_name(),
nim_version,
config.version_format,
)
})
.map(Ok),
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `nim`:\n{}", error);
return None;
}
});
Some(module)
}
fn parse_nim_version(version_cmd_output: &str) -> Option<&str> {
version_cmd_output
.lines()
// First line has the version
.next()?
.split(' ')
.find(|&s| s.chars().all(|c| ('0'..='9').contains(&c) || c == '.'))
}
#[cfg(test)]
mod tests {
use super::parse_nim_version;
use crate::test::ModuleRenderer;
use ansi_term::Color;
use std::fs::File;
use std::io;
#[test]
fn nim_version() {
let ok_versions = ["1.1.1", "2", "."];
let not_ok_versions = ["abc", " \n.", ". ", "abc."];
let all_some = ok_versions.iter().all(|&v| parse_nim_version(v).is_some());
let all_none = not_ok_versions
.iter()
.any(|&v| parse_nim_version(v).is_some());
assert_eq!(true, all_some);
assert_eq!(true, all_none);
let sample_nimc_output = "Nim Compiler Version 1.2.0 [Linux: amd64]
Compiled at 2020-04-03
Copyright (c) 2006-2020 by Andreas Rumpf
git hash: 7e83adff84be5d0c401a213eccb61e321a3fb1ff
active boot switches: -d:release\n";
assert_eq!(Some("1.2.0"), parse_nim_version(sample_nimc_output))
}
#[test]
fn folder_without_nim() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("nim.txt"))?.sync_all()?;
let actual = ModuleRenderer::new("nim").path(dir.path()).collect();
let expected = None;
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_nimble_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.nimble"))?.sync_all()?;
let actual = ModuleRenderer::new("nim").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Yellow.bold().paint("👑 v1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_nim_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.nim"))?.sync_all()?;
let actual = ModuleRenderer::new("nim").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Yellow.bold().paint("👑 v1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_nims_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.nims"))?.sync_all()?;
let actual = ModuleRenderer::new("nim").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Yellow.bold().paint("👑 v1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_cfg_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("cfg.nim"))?.sync_all()?;
let actual = ModuleRenderer::new("nim").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Yellow.bold().paint("👑 v1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
}
|
