mock-stomp-broker v1.2.0

MockStompBroker

A Node-based mock STOMP message broker with hooks for easy testing of your STOMP clients. Supports TypeScript.

Installing

npm install --save-dev mock-stomp-broker

Usage example

import MockStompBroker from "mock-stomp-broker";
import MyUpdateableTable from "./MyUpdateableTable";

describe("MyUpdateableTable", () => {
  it("should add rows to the table when row data is pushed via STOMP", async () => {
    const broker = new MockStompBroker();
    const rowData = {
      id: 1,
      name: "Jane Doe"
    };
    const wrapper = mount(
      <MyUpdateableTable websocketPort={broker.getPort()} rows={[]} />
    );

    expect(wrapper.text()).not.toContain(rowData.name);

    const [sessionId] = await broker.newSessionsConnected();

    await broker.subscribed(sessionId);

    const messageId = broker.scheduleMessage(`topics/my-topic`, rowData);

    await broker.messageSent(messageId);

    expect(wrapper.text()).toContain(rowData.name);

    broker.kill();
  });

  it("should clean up the websocket connection when table is unmounted", async () => {
    const broker = new MockStompBroker();
    const wrapper = mount(
      <MyUpdateableTable websocketPort={broker.getPort()} rows={[]} />
    );

    const [sessionId] = await broker.newSessionsConnected();

    wrapper.unmount();

    await broker.disconnected(sessionId);

    broker.kill();
  });
});

Config

The MockStompBroker can take a config object as a constructor arg. The config object and all its fields are optional.

Methods