n3wt-school/Front-End/jest.setup.js

import '@testing-library/jest-dom';

// Supprimer les avertissements React act() en environnement de test
global.IS_REACT_ACT_ENVIRONMENT = true;

// Mock window.matchMedia
Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: jest.fn().mockImplementation((query) => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: jest.fn(), // deprecated
    removeListener: jest.fn(), // deprecated
    addEventListener: jest.fn(),
    removeEventListener: jest.fn(),
    dispatchEvent: jest.fn(),
  })),
});

// Mock IntersectionObserver
global.IntersectionObserver = class IntersectionObserver {
  constructor() {}
  observe() {
    return null;
  }
  disconnect() {
    return null;
  }
  unobserve() {
    return null;
  }
};

// Mock WebSocket
global.WebSocket = class WebSocket {
  constructor(url) {
    this.url = url;
    this.readyState = WebSocket.CONNECTING;
    setTimeout(() => {
      this.readyState = WebSocket.OPEN;
      if (this.onopen) this.onopen();
    }, 10);
  }

  send(data) {
    // Mock send
  }

  close() {
    this.readyState = WebSocket.CLOSED;
    if (this.onclose) {
      this.onclose({
        code: 1000,
        reason: 'Normal closure',
        wasClean: true,
      });
    }
  }

  static get CONNECTING() {
    return 0;
  }
  static get OPEN() {
    return 1;
  }
  static get CLOSING() {
    return 2;
  }
  static get CLOSED() {
    return 3;
  }
};

// Mock global pour fetch
global.fetch = jest.fn(() =>
  Promise.resolve({
    ok: true,
    json: () => Promise.resolve([]),
  })
);

// Mock ResizeObserver
global.ResizeObserver = class ResizeObserver {
  constructor() {}
  observe() {
    return null;
  }
  disconnect() {
    return null;
  }
  unobserve() {
    return null;
  }
};