exthos/dist/engine/engine.test.js

stream processing in nodejs using the power of golang

import EventEmitter2 from "eventemitter2";
import { Engine } from "./engine.js";
describe("engine start stop", () => {
    let engine = new Engine({}, { keepAlive: false });
    engine.onAny((eventName, eventObj) => {
        if (eventName === "engine.fatal") {
            throw new Error(eventObj["msg"] ||
                "engine.fatal occured, but msg was absent in the eventObj.msg");
        }
    });
    engine.updateEngineConfigs({
        logger: { level: "NONE", format: "json" },
    });
    test("start and stop engine when benthos exe exists", async () => {
        expect.assertions(2);
        await expect(engine.start()).resolves.not.toThrow();
        await expect(engine.stop()).resolves.not.toThrow();
    }, 5 * 60 * 1000);
    test("stop engine that hasnt started", async () => {
        expect.assertions(1);
        await expect(engine.stop()).resolves.not.toThrow();
    }, engine.waitForActiveEventMs + 5000);
    test("start engine that stops itself after 10s", async () => {
        expect.assertions(2);
        await expect(engine.start()).resolves.not.toThrow();
        let eventObj = (await EventEmitter2.once(engine, engine.engineEvents["engine.inactive"]))[0];
        expect(eventObj).toHaveProperty(["msg"], "stopped successfully. reason:no streams for the last 10000ms");
    }, engine.waitForActiveEventMs + 11000);
});
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