@ledgerhq/hw-transport-mocker/lib-es/fixtures/aTransport.js

Ledger Hardware Wallet mocker utilities used for tests

import { LocalTracer } from "@ledgerhq/logs";
import EventEmitter from "events";
/**
 * Builds a fake Transport object to use in tests
 *
 * Note: no Transport methods are implemented, this is duck typing a Transport to use on unit tests where
 * the transport instance does not matter. If a specific value is expected from a method, you can pass the
 * fake method implementation to the `props` of the builder.
 *
 * If you want a working mocked Transport, you should use `MockTransport`.
 *
 * Ex:
 * ```
 * aTransportBuilder({
 *   exchange: jest.fn().mockReturnValue(Buffer.from("Test")),
 * }),
 * ```
 *
 * @param props Any value in props will override the default fake value of the same property/method
 * @return A duck-typed Transport
 */
export const aTransportBuilder = (props) => {
    return Object.assign({ exchangeTimeout: 30000, unresponsiveTimeout: 15000, deviceModel: null, tracer: new LocalTracer("mockedTransport", {}), _events: new EventEmitter(), exchangeBusyPromise: null, _appAPIlock: null, exchange: jest.fn(), exchangeBulk: jest.fn(), setScrambleKey: jest.fn(), close: jest.fn(), on: jest.fn(), off: jest.fn(), emit: jest.fn(), setDebugMode: jest.fn(), setExchangeTimeout: jest.fn(), setExchangeUnresponsiveTimeout: jest.fn(), send: jest.fn(), exchangeAtomicImpl: jest.fn(), decorateAppAPIMethods: jest.fn(), decorateAppAPIMethod: jest.fn(), setTraceContext: jest.fn(), updateTraceContext: jest.fn(), getTraceContext: jest.fn() }, props);
};
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