@applicaster/zapp-react-native-bridge/QuickBrick/__tests__/quickBrickModule_noModule.test.ts

Applicaster Zapp React Native modules

const { NativeModules } = require("react-native");

NativeModules.Foo = jest.fn();

jest.mock("../../logger", () => ({
  bridgeLogger: {
    warning: jest.fn(),
  },
}));

const {
  sendQuickBrickEvent,
  getAppData,
  getLegacyInitialProps,
} = require("../");

const eventName = "event";
const payload = {};

const { bridgeLogger } = require("../../logger");

describe("when QuickBrickCommunication Module is undefined", () => {
  beforeEach(() => {
    jest.unmock("react-native");
    jest.resetModules();
  });

  describe("sendQuickBrickEvent", () => {
    it("throws an error", () => {
      expect(() => sendQuickBrickEvent(eventName, payload)).toThrow();
    });
  });

  describe("getAppData", () => {
    it("returns the default values", () => {
      expect(getAppData()).toMatchSnapshot();
    });
  });

  describe("getLegacyInitialProps", () => {
    beforeEach(() => {
      bridgeLogger.warning.mockClear();
    });

    it("returns an empty object", () => {
      expect(getLegacyInitialProps()).toEqual({});
    });

    it("warns in the console that the module is missing", () => {
      getLegacyInitialProps();

      expect(bridgeLogger.warning).toHaveBeenCalledWith(
        "QuickBrickCommunicationModule not found"
      );
    });
  });
});