@applicaster/quick-brick-core/App/remoteContextReloader/__tests__/remoteContextReloader.test.js

Core package for Applicaster's Quick Brick App

import * as React from "react";
import { View, Text } from "react-native";
import { render } from "@testing-library/react-native";

import { remoteContextReloader } from "../index";
import * as ContextReloader from "../getRemoteContextData";

const spy = jest.spyOn(ContextReloader, "getRemoteContextData");
spy.mockImplementation(() => jest.fn());

const Component = () => (
  <View>
    <Text>I'm a component</Text>
  </View>
);

const appSettings = {
  runtimeConfigurationUrls: { foo: "bar" },
};

const plugins = [];

const dispatch = jest.fn();

describe("remoteContextReloader", () => {
  const WrappedComponent = remoteContextReloader(Component);
  let rendered;

  beforeEach(() => {
    rendered = render(
      <WrappedComponent {...{ appSettings, plugins, dispatch }} />
    );
  });

  afterEach(() => {
    jest.clearAllMocks();
  });

  it("calls componentDidMount and renders correctly", () => {
    const { getByText } = rendered;
    expect(getByText("I'm a component")).toBeTruthy();
  });

  describe("when in __DEV__", () => {
    beforeAll(() => {
      global.__DEV__ = true;
      global.process.env.ENABLE_REMOTE_DATA_IN_DEV = "false";
    });

    it("doesn't invoke the context reloader", () => {
      expect(spy).not.toHaveBeenCalled();
    });
  });

  describe("when not in __DEV__", () => {
    beforeAll(() => {
      global.__DEV__ = false;
    });

    it("invokes the context reloader", () => {
      expect(spy).toHaveBeenCalledWith(
        dispatch,
        appSettings.runtimeConfigurationUrls,
        plugins
      );
    });
  });
});