Function assert_edge_absent

nodedb-test-support/src/tx_batch_helpers.rs:332–346

Assert that graph node `src` has no REL neighbors.

(
    core: &mut CoreLoop,
    tx: &mut Producer<BridgeRequest>,
    rx: &mut Consumer<BridgeResponse>,
    collection: &str,
    src: &str,
)

/// Assert that graph node `src` has no REL neighbors.
pub fn assert_edge_absent(
    core: &mut CoreLoop,
    tx: &mut Producer<BridgeRequest>,
    rx: &mut Consumer<BridgeResponse>,
    collection: &str,
    src: &str,
) {
    let r = send_raw(core, tx, rx, neighbors(collection, src));
    assert_eq!(r.status, Status::Ok);
    assert!(
        r.payload.len() <= 3,
        "edge from {src} must be absent after rollback; payload_len={}",
        r.payload.len()
    );
}

/// Assert columnar row count equals `expected`.
/// An empty or missing collection counts as 0.