template_rust_project/
cli.rs

1use std::ffi::OsString;
2use tracing::error;
3
4pub fn run(args: impl IntoIterator<Item = OsString>) -> Result<(), i32> {
5    let _args: Vec<OsString> = args.into_iter().collect();
6    // Your implementation here
7    // Expecting at least 2 arguments
8    if _args.len() < 2 {
9        error!("Expecting at least 2 arguments");
10        return Err(1);
11    }
12    Ok(())
13}
14
15// Unit tests
16#[cfg(test)]
17mod tests {
18    use super::*;
19    use std::ffi::OsString;
20
21    #[test]
22    fn test_run_with_valid_args() {
23        let args = vec![OsString::from("arg1"), OsString::from("arg2")];
24        let result = run(args);
25        assert!(result.is_ok());
26    }
27
28    #[test]
29    fn test_run_with_invalid_args() {
30        let args = vec![OsString::from("invalid_arg")];
31        let result = run(args);
32        assert!(result.is_err());
33    }
34}
template_rust_project/cli.rs

template_rust_project/
cli.rs
