Function specify_env

tests/all/cli_tests.rs:461–511

()

#[test]
fn specify_env() -> Result<()> {
    // By default no env is inherited
    let output = get_wasmtime_command()?
        .args(&["run", "tests/all/cli_tests/print_env.wat"])
        .env("THIS_WILL_NOT", "show up in the output")
        .output()?;
    assert!(output.status.success());
    assert_eq!(String::from_utf8_lossy(&output.stdout), "");

    // Specify a single env var
    let output = get_wasmtime_command()?
        .args(&[
            "run",
            "--env",
            "FOO=bar",
            "tests/all/cli_tests/print_env.wat",
        ])
        .output()?;
    assert!(output.status.success());
    assert_eq!(String::from_utf8_lossy(&output.stdout), "FOO=bar\n");

    // Inherit a single env var
    let output = get_wasmtime_command()?
        .args(&["run", "--env", "FOO", "tests/all/cli_tests/print_env.wat"])
        .env("FOO", "bar")
        .output()?;
    assert!(output.status.success());
    assert_eq!(String::from_utf8_lossy(&output.stdout), "FOO=bar\n");

    // Inherit a nonexistent env var
    let output = get_wasmtime_command()?
        .args(&[
            "run",
            "--env",
            "SURELY_THIS_ENV_VAR_DOES_NOT_EXIST_ANYWHERE_RIGHT",
            "tests/all/cli_tests/print_env.wat",
        ])
        .output()?;
    assert!(output.status.success());

    // Inherit all env vars
    let output = get_wasmtime_command()?
        .args(&["run", "-Sinherit-env", "tests/all/cli_tests/print_env.wat"])
        .env("FOO", "bar")
        .output()?;
    assert!(output.status.success());
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(stdout.contains("FOO=bar"), "bad output: {stdout}");

    Ok(())
}

#[cfg(unix)]
#[test]