import { gql, useQuery } from "@apollo/client"; import "@testing-library/jest-native/extend-expect"; import { cleanup, render, waitFor } from "@testing-library/react-native"; import React from "react"; import { Text } from "react-native"; import withQueryHandling from "../../src/component/with-query-handling"; jest.mock("@apollo/client", () => ({ ...jest.requireActual("@apollo/client"), useQuery: jest.fn(), })); const MockComponent: React.FC<{ data?: string }> = ({ data }) => ( {data ? data : "No Data"} ); const MOCK_QUERY = gql` query GetMockData { mockData { id name description } } `; describe("withQueryHandling HOC Tests", () => { afterEach(() => { jest.clearAllMocks(); cleanup(); }); it("should render loading state initially", async () => { (useQuery as jest.Mock).mockReturnValue({ loading: true, error: undefined, data: undefined, }); const WrappedComponent = withQueryHandling({ WrappedComponent: MockComponent, query: MOCK_QUERY, dataKey: "mockDataKey", }); const { getByText } = render(); await waitFor(() => { expect(getByText("Loading...")).toBeTruthy(); }); }); it("should render the wrapped component with data", () => { const mockData = { getShots: "shots" }; (useQuery as jest.Mock).mockReturnValue({ loading: false, error: undefined, data: mockData, }); const WrappedComponent = withQueryHandling({ WrappedComponent: MockComponent, query: MOCK_QUERY, dataKey: "getShots", }); const { getByText } = render(); expect(getByText("shots")).toBeTruthy(); }); });