@ledgerhq/live-common/lib-es/__tests__/test-helpers/mockDevice.js

Common ground for the Ledger Live apps

import invariant from "invariant";
import { openTransportReplayer, RecordStore } from "@ledgerhq/hw-transport-mocker";
import { registerTransportModule } from "../../hw";
let idCounter = 0;
const transports = {};
const recordStores = {};
export function releaseMockDevice(id) {
    const store = recordStores[id];
    invariant(store, "MockDevice does not exist (%s)", id);
    try {
        store.ensureQueueEmpty();
    }
    catch (e) {
        e && console.error(e.message);
        throw e;
    }
    finally {
        delete recordStores[id];
        delete transports[id];
    }
}
export async function mockDeviceWithAPDUs(apdus, opts) {
    const id = `mock:${++idCounter}`;
    const store = RecordStore.fromString(apdus, opts);
    recordStores[id] = store;
    transports[id] = await openTransportReplayer(store);
    return id;
}
registerTransportModule({
    id: "mock",
    open: id => {
        if (id in transports) {
            const Tr = transports[id];
            return Promise.resolve(Tr);
        }
    },
    disconnect: () => Promise.resolve(),
});
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