import { render, screen } from "@testing-library/react"; import { Loader } from "./Loader"; describe("Loader", () => { it("should render a component (when isActive = true)", () => { render(); const icon = screen.getByTestId("icon_loader"); expect(icon).toBeTruthy(); expect(icon).toBeInTheDocument(); }); it("should render a component (when isActive = false)", () => { render(); const icon = screen.queryByTestId("icon_loader"); expect(icon).toBeFalsy(); expect(icon).not.toBeInTheDocument(); }); });