starship/src/modules/cobol.rs

142 lines
4.2 KiB
Rust

use super::{Context, Module, ModuleConfig};
use crate::configs::cobol::CobolConfig;
use crate::formatter::StringFormatter;
use crate::formatter::VersionFormatter;
/// Creates a module with the current COBOL version
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("cobol");
let config = CobolConfig::try_load(module.config);
let is_cobol_project = context
.try_begin_scan()?
.set_files(&config.detect_files)
.set_extensions(&config.detect_extensions)
.set_folders(&config.detect_folders)
.is_match();
if !is_cobol_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 cobol_version =
get_cobol_version(&context.exec_cmd("cobc", &["-version"])?.stdout)?;
VersionFormatter::format_module_version(
module.get_name(),
&cobol_version,
config.version_format,
)
.map(Ok)
}
_ => None,
})
.parse(None, Some(context))
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `cobol`:\n{}", error);
return None;
}
});
Some(module)
}
fn get_cobol_version(cobol_stdout: &str) -> Option<String> {
// cobol output looks like this:
// cobc (GnuCOBOL) 3.1.2.0
// ...
Some(
cobol_stdout
// split into ["cobc", "(GNUCOBOL)", "3.1.2.0"...]
.split_whitespace()
// return "3.1.2.0"
.nth(2)?
.to_string(),
)
}
#[cfg(test)]
mod tests {
use crate::test::ModuleRenderer;
use nu_ansi_term::Color;
use std::fs::File;
use std::io;
#[test]
fn folder_without_cobol_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
let actual = ModuleRenderer::new("cobol").path(dir.path()).collect();
let expected = None;
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_lowercase_cob_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.cob"))?.sync_all()?;
let actual = ModuleRenderer::new("cobol").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("⚙️ v3.1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_lowercase_cbl_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.cbl"))?.sync_all()?;
let actual = ModuleRenderer::new("cobol").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("⚙️ v3.1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_capital_cob_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("MAIN.COB"))?.sync_all()?;
let actual = ModuleRenderer::new("cobol").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("⚙️ v3.1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_capital_cbl_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("MAIN.CBL"))?.sync_all()?;
let actual = ModuleRenderer::new("cobol").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("⚙️ v3.1.2.0 ")));
assert_eq!(expected, actual);
dir.close()
}
}