portifolio-evandrodevbr/app/components/Hero.reducedMotion.test.tsx

import { render, screen, waitFor } from "@testing-library/react";
import type { ReactNode } from "react";

import Hero from "./Hero";

jest.mock("next/dynamic", () => () => {
  const DynamicComponent = ({ variant }: { variant?: string }) => (
    <div data-testid="hero-scene" data-variant={variant} />
  );
  DynamicComponent.displayName = "MockHeroScene";
  return DynamicComponent;
});

jest.mock("motion/react", () => {
  const React = require("react");

  const motion = new Proxy(
    {},
    {
      get: (_, tag: string) => {
        const Component = ({
          children,
          initial,
          animate,
          whileHover: _whileHover,
          whileTap: _whileTap,
          variants: _variants,
          transition: _transition,
          ...props
        }: {
          children?: ReactNode;
          initial?: unknown;
          animate?: unknown;
        } & Record<string, unknown>) => {
          const dataProps = {
            ...(initial !== undefined
              ? { "data-initial": JSON.stringify(initial) }
              : {}),
            ...(animate !== undefined
              ? { "data-animate": JSON.stringify(animate) }
              : {}),
          };

          return React.createElement(tag, { ...props, ...dataProps }, children);
        };
        Component.displayName = `motion.${tag}`;
        return Component;
      },
    },
  );

  return {
    AnimatePresence: ({ children }: { children: React.ReactNode }) => children,
    motion,
    useInView: () => true,
    useReducedMotion: () => true,
    useMotionValue: (initial: number) => ({
      get: () => initial,
      set: jest.fn(),
    }),
    useSpring: (
      value: { get: () => number; set: (v: number) => void },
      _config: unknown,
    ) => value,
    useTransform: (
      value: { get: () => number; set: (v: number) => void },
      _input: number[],
      _output: number[],
    ) => value,
  };
});

jest.mock("cobe", () => ({
  __esModule: true,
  default: jest.fn(() => ({
    destroy: jest.fn(),
  })),
}));

function mockMatchMedia(matches: boolean) {
  Object.defineProperty(window, "matchMedia", {
    writable: true,
    value: jest.fn().mockImplementation((query) => ({
      matches,
      media: query,
      onchange: null,
      addListener: jest.fn(),
      removeListener: jest.fn(),
      addEventListener: jest.fn(),
      removeEventListener: jest.fn(),
      dispatchEvent: jest.fn(),
    })),
  });
}

describe("Hero reduced motion", () => {
  beforeEach(() => {
    mockMatchMedia(true);
    jest.spyOn(Math, "random").mockReturnValue(0);
  });

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

  it("keeps essential hero content visible with reduced motion enabled", async () => {
    render(<Hero />);

    await waitFor(() =>
      expect(screen.queryByTestId("hero-scene")).not.toBeInTheDocument(),
    );

    expect(
      screen.getByText(/Disponível para novas oportunidades/i),
    ).toBeInTheDocument();
    expect(
      screen.getByRole("heading", {
        level: 1,
        name: /engenharia de software para sistemas/i,
      }),
    ).toBeInTheDocument();
    expect(
      screen.getByRole("button", { name: /conversar sobre uma oportunidade/i }),
    ).toBeInTheDocument();
  });

  it("keeps motion blocks declarative instead of requiring 3D", async () => {
    const { container } = render(<Hero />);

    await waitFor(() =>
      expect(screen.queryByTestId("hero-scene")).not.toBeInTheDocument(),
    );

    const rootMotionBlock = container.querySelector(
      "div[data-initial][data-animate]",
    );
    expect(rootMotionBlock).toBeInTheDocument();
    expect(rootMotionBlock?.getAttribute("data-initial")).toContain("hidden");
    expect(rootMotionBlock?.getAttribute("data-animate")).toContain("visible");
  });
});