runa/crates/runa-cli/tests/arguments.rs

use std::process::Command;

#[test]
fn cli_help_and_version_are_available_without_connecting() {
    let output = Command::new(env!("CARGO_BIN_EXE_runa-cli"))
        .arg("--help")
        .env_remove("RUNA_CONNECT")
        .output()
        .unwrap();
    assert!(output.status.success());
    let help = String::from_utf8(output.stdout).unwrap();
    assert!(help.contains("runa-cli"));
    assert!(help.contains("--connect"));
    assert!(help.contains("RUNA_CONNECT"));
    assert!(help.contains("127.0.0.1:3737"));

    let output = Command::new(env!("CARGO_BIN_EXE_runa-cli"))
        .arg("--version")
        .output()
        .unwrap();
    assert!(output.status.success());
    assert_eq!(
        String::from_utf8(output.stdout).unwrap().trim(),
        "runa-cli 0.0.0"
    );
}

#[test]
fn clap_rejects_bad_flags_addresses_and_environment_values() {
    for args in [
        vec!["--connect"],
        vec!["--connect", "invalid"],
        vec!["--listen", "127.0.0.1:3737"],
        vec!["extra"],
    ] {
        let output = Command::new(env!("CARGO_BIN_EXE_runa-cli"))
            .args(args)
            .env_remove("RUNA_CONNECT")
            .output()
            .unwrap();
        assert_eq!(output.status.code(), Some(2));
        assert!(!output.stderr.is_empty());
    }

    let output = Command::new(env!("CARGO_BIN_EXE_runa-cli"))
        .env("RUNA_CONNECT", "invalid")
        .output()
        .unwrap();
    assert_eq!(output.status.code(), Some(2));
    assert!(
        String::from_utf8(output.stderr)
            .unwrap()
            .contains("--connect")
    );
}