instrument-core 0.1.0

VISA-agnostic transport, SCPI session, discovery, and mock fixtures for instrument control
Documentation 
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use instrument_core::connect::ConnectOptions;
use instrument_core::mock::{MockTransport, ScriptStep};
use instrument_core::AsyncScpiSession;
use std::time::Duration;

#[tokio::test]
async fn query_retries_after_timeout_then_succeeds() {
    let transport = MockTransport::from_script(vec![
        ScriptStep::Write {
            data: ":MEAS:VOLT:DC?\n".into(),
        },
        ScriptStep::Read {
            data: "1.0\n".into(),
        },
        ScriptStep::Write {
            data: ":MEAS:VOLT:DC?\n".into(),
        },
        ScriptStep::Read {
            data: "1.0\n".into(),
        },
    ])
    .fail_writes(1);

    let mut opts = ConnectOptions::default();
    opts.retries = 1;
    opts.retry_backoff = Duration::from_millis(1);

    let mut session = AsyncScpiSession::new(Box::new(transport), opts)
        .await
        .unwrap();
    let volts = session.query(":MEAS:VOLT:DC?").await.unwrap();
    assert_eq!(volts.trim(), "1.0");
}