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|
use super::{Context, Module, RootModuleConfig};
use crate::configs::kotlin::KotlinConfig;
use crate::formatter::StringFormatter;
use crate::formatter::VersionFormatter;
use regex::Regex;
const KOTLIN_VERSION_PATTERN: &str = "(?P<version>[\\d\\.]+[\\d\\.]+[\\d\\.]+)";
/// Creates a module with the current Kotlin version
pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let mut module = context.new_module("kotlin");
let config = KotlinConfig::try_load(module.config);
let is_kotlin_project = context
.try_begin_scan()?
.set_files(&config.detect_files)
.set_extensions(&config.detect_extensions)
.set_folders(&config.detect_folders)
.is_match();
if !is_kotlin_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 kotlin_version = get_kotlin_version(context, &config.kotlin_binary)?;
VersionFormatter::format_module_version(
module.get_name(),
&kotlin_version,
config.version_format,
)
.map(Ok)
}
_ => None,
})
.parse(None)
});
module.set_segments(match parsed {
Ok(segments) => segments,
Err(error) => {
log::warn!("Error in module `kotlin`:\n{}", error);
return None;
}
});
Some(module)
}
fn get_kotlin_version(context: &Context, kotlin_binary: &str) -> Option<String> {
match context.exec_cmd(kotlin_binary, &["-version"]) {
Some(output) => {
let kotlin_output = if output.stdout.is_empty() {
output.stderr
} else {
output.stdout
};
parse_kotlin_version(&kotlin_output)
}
None => None,
}
}
fn parse_kotlin_version(kotlin_stdout: &str) -> Option<String> {
// kotlin -version output looks like this:
// Kotlin version 1.4.21-release-411 (JRE 14.0.1+7)
// kotlinc -version output looks like this:
// info: kotlinc-jvm 1.4.21 (JRE 14.0.1+7)
let re = Regex::new(KOTLIN_VERSION_PATTERN).ok()?;
let captures = re.captures(kotlin_stdout)?;
let version = &captures["version"];
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_kotlin_files() -> io::Result<()> {
let dir = tempfile::tempdir()?;
let actual = ModuleRenderer::new("kotlin").path(dir.path()).collect();
let expected = None;
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_kotlin_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.kt"))?.sync_all()?;
let actual = ModuleRenderer::new("kotlin").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("🅺 v1.4.21 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn folder_with_kotlin_script_file() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.kts"))?.sync_all()?;
let actual = ModuleRenderer::new("kotlin").path(dir.path()).collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("🅺 v1.4.21 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn kotlin_binary_is_kotlin_runtime() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.kt"))?.sync_all()?;
let config = toml::toml! {
[kotlin]
kotlin_binary = "kotlin"
};
let actual = ModuleRenderer::new("kotlin")
.path(dir.path())
.config(config)
.collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("🅺 v1.4.21 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn kotlin_binary_is_kotlin_compiler() -> io::Result<()> {
let dir = tempfile::tempdir()?;
File::create(dir.path().join("main.kt"))?.sync_all()?;
let config = toml::toml! {
[kotlin]
kotlin_binary = "kotlinc"
};
let actual = ModuleRenderer::new("kotlin")
.path(dir.path())
.config(config)
.collect();
let expected = Some(format!("via {}", Color::Blue.bold().paint("🅺 v1.4.21 ")));
assert_eq!(expected, actual);
dir.close()
}
#[test]
fn test_parse_kotlin_version_from_runtime() {
let kotlin_input = "Kotlin version 1.4.21-release-411 (JRE 14.0.1+7)";
assert_eq!(
parse_kotlin_version(kotlin_input),
Some("1.4.21".to_string())
);
}
#[test]
fn test_parse_kotlin_version_from_compiler() {
let kotlin_input = "info: kotlinc-jvm 1.4.21 (JRE 14.0.1+7)";
assert_eq!(
parse_kotlin_version(kotlin_input),
Some("1.4.21".to_string())
);
}
}
|
