84 lines
2.4 KiB
TypeScript
84 lines
2.4 KiB
TypeScript
import { describe, it, expect, vi, beforeEach } from "vitest";
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import { renderHook } from "@testing-library/react";
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// Ant Design's App.useApp reads from context. We mock the module so we can
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// assert that useAppMessage forwards message/modal/notification unchanged.
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vi.mock("antd", () => {
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const App = {
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useApp: vi.fn(),
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};
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return { App };
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});
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import { App } from "antd";
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import { useAppMessage } from "./useAppMessage";
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describe("useAppMessage", () => {
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beforeEach(() => {
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vi.clearAllMocks();
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});
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it("returns the message instance from App.useApp", () => {
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const message = { success: vi.fn(), error: vi.fn() };
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const modal = { confirm: vi.fn() };
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const notification = { open: vi.fn() };
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(App.useApp as ReturnType<typeof vi.fn>).mockReturnValue({
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message,
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modal,
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notification,
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});
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const { result } = renderHook(() => useAppMessage());
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expect(result.current.message).toBe(message);
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});
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it("returns the modal instance from App.useApp", () => {
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const modal = { confirm: vi.fn() };
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(App.useApp as ReturnType<typeof vi.fn>).mockReturnValue({
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message: {},
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modal,
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notification: {},
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});
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const { result } = renderHook(() => useAppMessage());
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expect(result.current.modal).toBe(modal);
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});
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it("returns the notification instance from App.useApp", () => {
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const notification = { open: vi.fn() };
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(App.useApp as ReturnType<typeof vi.fn>).mockReturnValue({
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message: {},
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modal: {},
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notification,
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});
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const { result } = renderHook(() => useAppMessage());
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expect(result.current.notification).toBe(notification);
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});
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it("calls App.useApp exactly once per render", () => {
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(App.useApp as ReturnType<typeof vi.fn>).mockReturnValue({
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message: {},
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modal: {},
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notification: {},
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});
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renderHook(() => useAppMessage());
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expect(App.useApp).toHaveBeenCalledTimes(1);
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});
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it("returns fresh instances on re-render", () => {
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const first = { message: { a: 1 }, modal: {}, notification: {} };
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const second = { message: { b: 2 }, modal: {}, notification: {} };
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(App.useApp as ReturnType<typeof vi.fn>)
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.mockReturnValueOnce(first)
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.mockReturnValueOnce(second);
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const { result, rerender } = renderHook(() => useAppMessage());
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expect(result.current.message).toBe(first.message);
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rerender();
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expect(result.current.message).toBe(second.message);
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});
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});
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