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|
use super::{Context, Module, RootModuleConfig};
use crate::configs::go::GoConfig;
use crate::formatter::StringFormatter;
use crate::formatter::VersionFormatter;
/// Creates a module with the current Go version
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("golang");
let config = GoConfig::try_load(module.config);
let is_go_project = context
.try_begin_scan()?
.set_files(&config.detect_files)
.set_extensions(&config.detect_extensions)
.set_folders(&config.detect_folders)
.is_match();
if !is_go_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 golang_version =
get_go_version(&context.exec_cmd("go", &["version"])?.stdout)?;
VersionFormatter::format_module_version(
module.get_name(),
&golang_version,
config.version_format,
)
.map(Ok)
}
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `golang`:\n{}", error);
return None;
}
});
Some(module)
}
fn get_go_version(go_stdout: &str) -> Option<String> {
// go version output looks like this:
// go version go1.13.3 linux/amd64
let version = go_stdout
// split into ["", "1.12.4 linux/amd64"]
.splitn(2, "go version go")
// return "1.12.4 linux/amd64"
.nth(1)?
// split into ["1.12.4", "linux/amd64"]
.split_whitespace()
// return "1.12.4"
.next()?;
Some(version.to_string())
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test::ModuleRenderer;
use ansi_term::Color;
use std::fs::{self, File};
use std::io;
#[test]
fn folder_without_go_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = None;
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_go_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.go"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_go_mod() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("go.mod"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_go_sum() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("go.sum"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_godeps() -> io::Result<()> {
let dir = tempfile::tempdir()?;
let godeps = dir.path().join("Godeps");
fs::create_dir_all(&godeps)?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_glide_yaml() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("glide.yaml"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_gopkg_yml() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("Gopkg.yml"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_gopkg_lock() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("Gopkg.lock"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_go_version() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join(".go-version"))?.sync_all()?;
let actual = ModuleRenderer::new("golang").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Cyan.bold().paint("🐹 v1.12.1 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn test_format_go_version() {
let input = "go version go1.12 darwin/amd64";
assert_eq!(get_go_version(input), Some("1.12".to_string()));
}
}
|
