Function run_cwasm_from_stdin

tests/all/cli_tests.rs:515–552

()

#[cfg(unix)]
#[test]
fn run_cwasm_from_stdin() -> Result<()> {
    use std::process::Stdio;

    let td = TempDir::new()?;
    let cwasm = td.path().join("foo.cwasm");
    let stdout = run_wasmtime(&[
        "compile",
        "tests/all/cli_tests/simple.wat",
        "-o",
        cwasm.to_str().unwrap(),
    ])?;
    assert_eq!(stdout, "");

    // If stdin is literally the file itself then that should work
    let args: &[&str] = &["run", "--allow-precompiled", "-"];
    let output = get_wasmtime_command()?
        .args(args)
        .stdin(File::open(&cwasm)?)
        .output()?;
    assert!(output.status.success(), "a file as stdin should work");

    // If stdin is a pipe, that should also work
    let input = std::fs::read(&cwasm)?;
    let mut child = get_wasmtime_command()?
        .args(args)
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .stderr(Stdio::piped())
        .spawn()?;
    let mut stdin = child.stdin.take().unwrap();
    let t = std::thread::spawn(move || {
        let _ = stdin.write_all(&input);
    });
    let output = child.wait_with_output()?;
    assert!(output.status.success());
    t.join().unwrap();
    Ok(())
}

#[cfg(feature = "wasi-threads")]
#[test]