yoi/crates/insomnia/src/lib.rs

102 lines
2.7 KiB
Rust

use std::ffi::OsString;
use std::fmt;
use std::io;
use std::path::{Path, PathBuf};
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct PodRuntimeCommand {
pub program: PathBuf,
pub prefix_args: Vec<OsString>,
}
impl PodRuntimeCommand {
pub fn new(program: impl Into<PathBuf>, prefix_args: Vec<OsString>) -> Self {
Self {
program: program.into(),
prefix_args,
}
}
pub fn for_current_exe() -> io::Result<Self> {
Ok(Self::for_executable(std::env::current_exe()?))
}
pub fn for_executable(program: impl Into<PathBuf>) -> Self {
Self::new(program, vec![OsString::from("pod")])
}
/// Resolve the Pod runtime command used for subprocess launches.
///
/// The default launch path is always the current `insomnia` executable plus
/// the unified `pod` prefix argument.
pub fn resolve() -> io::Result<Self> {
Self::for_current_exe()
}
pub fn program(&self) -> &Path {
&self.program
}
pub fn prefix_args(&self) -> &[OsString] {
&self.prefix_args
}
pub fn argv_with<I, S>(&self, args: I) -> Vec<OsString>
where
I: IntoIterator<Item = S>,
S: Into<OsString>,
{
let mut argv = self.prefix_args.clone();
argv.extend(args.into_iter().map(Into::into));
argv
}
}
impl fmt::Display for PodRuntimeCommand {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.program.display())?;
for arg in &self.prefix_args {
write!(f, " {}", arg.to_string_lossy())?;
}
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn insomnia_binary_defaults_to_pod_prefix() {
let command = PodRuntimeCommand::for_executable("/opt/insomnia/bin/insomnia");
assert_eq!(command.program(), Path::new("/opt/insomnia/bin/insomnia"));
assert_eq!(command.prefix_args(), [OsString::from("pod")]);
assert_eq!(
command.argv_with(["--pod", "agent"]),
vec!["pod", "--pod", "agent"]
.into_iter()
.map(OsString::from)
.collect::<Vec<_>>()
);
}
#[test]
fn any_runtime_executable_gets_pod_prefix() {
let command = PodRuntimeCommand::for_executable("/opt/insomnia/bin/custom-runtime");
assert_eq!(
command.program(),
Path::new("/opt/insomnia/bin/custom-runtime")
);
assert_eq!(command.prefix_args(), [OsString::from("pod")]);
assert_eq!(
command.argv_with(["--pod", "agent"]),
vec!["pod", "--pod", "agent"]
.into_iter()
.map(OsString::from)
.collect::<Vec<_>>()
);
}
}