duckscript/test/std/process/exec_test.ds

fn test_echo_with_output
    output = exec echo hello world

    stdout = trim ${output.stdout}
    stderr = trim ${output.stderr}
    exit_code = set ${output.code}

    assert_eq ${stdout} "hello world"
    assert_eq ${stderr} ""
    assert_eq ${exit_code} 0
end

fn test_echo_with_input
    if not is_windows
        output = exec --input "1 2 3" cat

        stdout = trim ${output.stdout}
        stderr = trim ${output.stderr}
        exit_code = set ${output.code}

        assert_eq ${stdout} "1 2 3"
        assert_eq ${stderr} ""
        assert_eq ${exit_code} 0
    end
end

fn test_echo_without_output
    exec echo hello world
end

fn test_echo_with_fail_on_error_flag
    exec --fail-on-error echo hello world
end