HRCenter/src/__tests__/UITests/adsPageUI.test.js

import { render, screen, fireEvent } from "@testing-library/react";
import * as redux from "react-redux";
import AdsPage from "../../pages/AdsPage/AdsPage";
import store from "../../store";
import { mockState } from "../../mockState";
import { Router } from "react-router-dom";
import history from "../../store/utils/history";
import ColorModeProvider from "../../context/ColorModeContext";

describe("AdsPage render tests", () => {
  const cont = (
    <redux.Provider store={store}>
      <Router history={history}>
        <ColorModeProvider>
          <AdsPage />
        </ColorModeProvider>
      </Router>
    </redux.Provider>
  );

  let spyOnUseSelector;

  beforeEach(() => {
    spyOnUseSelector = jest.spyOn(redux, "useSelector");
    spyOnUseSelector.mockReturnValueOnce(mockState.ads.ads);
  });

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

  it("Should render ads", () => {
    render(cont);
    expect(screen.getByTestId("ads-page")).toBeDefined();
  });

  it("Should be rendered button which is used for showing input responsible for searching by name", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName("ads-page-btn")[0]).toBeDefined();
  });

  it("Should be rendered button for toggling filters modal", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName("ads-page-btn")[1]).toBeDefined();
  });

  it("Should be rendered button for adding new ad", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName("ads-page-btn")[2]).toBeDefined();
  });

  it("Input for searching by title should not be shown when component is initialy rendered", () => {
    const { container } = render(cont);
    expect(
      container.getElementsByClassName("ads-page-search-by-title")[0].style
        .visibility
    ).toBe("hidden");
  });

  it("Should be rendered ad cards", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName('ad-card').length).toBeGreaterThan(0);
  });

  it("Should be rendered archive ad cards", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName('archive-ad').length).toBe(0);
  });

  it("Should render filter drawer after click filter button", () => {
    const { container } = render(cont);
    fireEvent.click(container.getElementsByClassName("fltr-btn")[0]);
    expect(screen.getByTestId('ad-filters-drawer')).toBeDefined();
  });

  it("Should render modal after add ad button clicked", () => {
    const { container } = render(cont);
    fireEvent.click(container.getElementsByClassName("ads-page-btn")[2]);
    expect(screen.getByTestId('add-ad-modal')).toBeDefined();
  });

  it("Should render arrow buttons for active ads slider", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName('active-ads-ads-arrows')).toBeDefined();
  });

  it("Should render arrow buttons for archived ads slider", () => {
    const { container } = render(cont);
    expect(container.getElementsByClassName('archived-ads-ads-arrows')).toBeDefined();
  });
});