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use super::{Context, Module, RootModuleConfig};
use crate::configs::vagrant::VagrantConfig;
use crate::formatter::StringFormatter;
use crate::formatter::VersionFormatter;
/// Creates a module with the current Vagrant version
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("vagrant");
let config = VagrantConfig::try_load(module.config);
let is_vagrant_project = context
.try_begin_scan()?
.set_files(&config.detect_files)
.set_extensions(&config.detect_extensions)
.set_folders(&config.detect_folders)
.is_match();
if !is_vagrant_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" => {
let vagrant_version =
get_vagrant_version(&context.exec_cmd("vagrant", &["--version"])?.stdout)?;
VersionFormatter::format_module_version(
module.get_name(),
&vagrant_version,
config.version_format,
)
}
.map(Ok),
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `vagrant`:\n{}", error);
return None;
}
});
Some(module)
}
fn get_vagrant_version(vagrant_stdout: &str) -> Option<String> {
// `vagrant --version` output looks like this:
// Vagrant 2.2.10
let version = vagrant_stdout
// split into ["Vagrant","2.2.10"]
.split_whitespace()
// return "2.2.10"
.nth(1)?;
Some(version.to_string())
}
#[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_vagrant_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
let actual = ModuleRenderer::new("vagrant").path(dir.path()).collect();
let expected = None;
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_vagrant_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("Vagrantfile"))?.sync_all()?;
let actual = ModuleRenderer::new("vagrant").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("⍱ v2.2.10 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn test_get_vagrant_version() {
let vagrant = "Vagrant 2.2.10\n";
assert_eq!(get_vagrant_version(vagrant), Some("2.2.10".to_string()));
}
}
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