@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 { shallow } from "enzyme";
import { shallowToJson } from "enzyme-to-json";

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);

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

  it("adds a componentDidMount method", () => {
    const wrapper = shallow(
      <WrappedComponent {...{ appSettings, plugins, dispatch }} />
    );

    expect(shallowToJson(wrapper)).toMatchSnapshot();
    expect(wrapper.instance()).toHaveProperty("componentDidMount");
    expect(wrapper.instance().componentDidMount).toBeFunction();
  });

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

    it("doesn't invoke the context reloader", () => {
      const wrapper = shallow(
        <WrappedComponent {...{ appSettings, plugins, dispatch }} />
      );

      expect(shallowToJson(wrapper)).toMatchSnapshot();
      expect(spy).not.toHaveBeenCalled();
    });
  });

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

    it("invokes the context reloader", () => {
      const wrapper = shallow(
        <WrappedComponent {...{ appSettings, plugins, dispatch }} />
      );

      expect(shallowToJson(wrapper)).toMatchSnapshot();

      expect(spy).toHaveBeenCalledWith(
        dispatch,
        appSettings.runtimeConfigurationUrls,
        plugins
      );
    });
  });
});