gluon_repl 0.18.2

REPL for gluon. A static, type inferred programming language for application embedding
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#[macro_use]
extern crate pretty_assertions;

use std::env;
use std::path::Path;
use std::process::{Command, Stdio};

#[test]
fn issue_365_run_io_from_command_line() {
    if ::std::env::var("GLUON_PATH").is_err() {
        ::std::env::set_var("GLUON_PATH", "..");
    }

    let path = env::args().next().unwrap();
    let gluon_path = Path::new(&path[..])
        .parent()
        .and_then(|p| p.parent())
        .expect("folder")
        .join("gluon");
    let output = Command::new(&*gluon_path)
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .stderr(Stdio::piped())
        .arg("tests/print.glu")
        .output()
        .unwrap_or_else(|err| panic!("{}\nWhen opening `{}`", err, gluon_path.display()));

    let stderr = String::from_utf8_lossy(&output.stderr);
    if stderr != "" {
        panic!("{}", stderr);
    }
    assert_eq!(String::from_utf8_lossy(&output.stdout), "123\n");
}