MetonaToast/tests/react.test.ts

/**
 * MetonaToast React 适配器测试
 * @module tests
 * @version 0.5.0
 */

import React from 'react';
import { renderToString } from 'react-dom/server';
import { createRoot } from 'react-dom/client';
import { act } from 'react';
import MeToast, { Toast } from '../src/index';
import { createBoundApi, Toast as ToastComponent, useToast } from '../src/react';
import type { ToastInstance } from '../src/types';

(globalThis as Record<string, unknown>).IS_REACT_ACT_ENVIRONMENT = true;

beforeEach(() => {
  jest.clearAllMocks();
  MeToast._toasts.clear();
  MeToast.resetConfig();
  (MeToast as unknown as { _destroyed?: boolean })._destroyed = false;
  Toast._hooks.clear();
  Toast._registry.clear();
  const { _containerCache } = require('../src/toast.js');
  _containerCache.clear();
  MeToast.animations.reset();
});

describe('React 适配器 — createBoundApi', () => {
  test('跟踪创建的 toast id', () => {
    const cleanup = new Set<string>();
    const api = createBoundApi(cleanup);
    (api.info as (m: string) => ToastInstance)('hello');
    expect(cleanup.size).toBe(1);
  });

  test('success/error/warning/show 均被跟踪', () => {
    const cleanup = new Set<string>();
    const api = createBoundApi(cleanup);
    (api.success as (m: string) => ToastInstance)('a');
    (api.error as (m: string) => ToastInstance)('b');
    (api.warning as (m: string) => ToastInstance)('c');
    (api.show as (m: string) => ToastInstance)('d');
    expect(cleanup.size).toBe(4);
  });

  test('loading 控制对象也被跟踪', () => {
    const cleanup = new Set<string>();
    const api = createBoundApi(cleanup);
    (api.loading as (m: string) => { id: string })('loading...');
    expect(cleanup.size).toBe(1);
  });

  test('dismiss 同步清理集合', () => {
    const cleanup = new Set<string>();
    const api = createBoundApi(cleanup);
    const t = (api.success as (m: string) => ToastInstance)('hi');
    expect(cleanup.has(t.id)).toBe(true);
    (api.dismiss as (id?: string) => void)(t.id);
    expect(cleanup.has(t.id)).toBe(false);
  });

  test('removeToast 同步清理集合', () => {
    const cleanup = new Set<string>();
    const api = createBoundApi(cleanup);
    const t = (api.info as (m: string) => ToastInstance)('hi');
    (api.removeToast as (id: string) => void)(t.id);
    expect(cleanup.size).toBe(0);
  });

  test('未跟踪的方法直接透传', () => {
    const cleanup = new Set<string>();
    const api = createBoundApi(cleanup);
    expect(typeof (api as Record<string, unknown>).count).toBe('function');
    expect((api as { count(): number }).count()).toBe(0);
  });
});

describe('React 适配器 — Toast 组件', () => {
  test('SSR 渲染为空（effect 不执行）', () => {
    const html = renderToString(React.createElement(ToastComponent, { message: 'ssr message' }));
    expect(html).toBe('');
  });

  test('SSR 带 type 不抛异常', () => {
    const html = renderToString(React.createElement(ToastComponent, { message: 'x', type: 'success' }));
    expect(html).toBe('');
  });

  test('SSR 未知 type fallback 到 show 不抛异常', () => {
    const html = renderToString(React.createElement(ToastComponent, { message: 'y', type: 'custom-type' }));
    expect(html).toBe('');
  });

  test('组件挂载创建 toast，卸载自动移除', () => {
    const host = document.createElement('div');
    document.body.appendChild(host);
    const root = createRoot(host);
    act(() => { root.render(React.createElement(ToastComponent, { message: 'mounted', type: 'success' })); });
    expect(MeToast.count()).toBe(1);
    act(() => { root.unmount(); });
    expect(MeToast.count()).toBe(0);
    host.remove();
  });

  test('组件 autoClose:false 卸载不移除', () => {
    const host = document.createElement('div');
    document.body.appendChild(host);
    const root = createRoot(host);
    act(() => { root.render(React.createElement(ToastComponent, { message: 'keep', type: 'error', autoClose: false })); });
    expect(MeToast.count()).toBe(1);
    act(() => { root.unmount(); });
    expect(MeToast.count()).toBe(1);
    MeToast.dismiss();
    host.remove();
  });

  test('组件 message 变化重新创建实例', () => {
    const host = document.createElement('div');
    document.body.appendChild(host);
    const root = createRoot(host);
    act(() => { root.render(React.createElement(ToastComponent, { message: 'v1', type: 'info' })); });
    act(() => { root.render(React.createElement(ToastComponent, { message: 'v2', type: 'warning' })); });
    expect(MeToast.count()).toBe(1);
    const t = MeToast.getToasts()[0];
    expect(t.message).toBe('v2');
    expect(t.type).toBe('warning');
    act(() => { root.unmount(); });
    expect(MeToast.count()).toBe(0);
    host.remove();
  });

  test('useToast 组件内创建的 toast 在卸载时清理', () => {
    const Harness = (): React.ReactElement => {
      const toast = useToast() as Record<string, (m: string) => ToastInstance>;
      return React.createElement('button', { onClick: () => toast.info('tracked') });
    };
    const host = document.createElement('div');
    document.body.appendChild(host);
    const root = createRoot(host);
    act(() => { root.render(React.createElement(Harness)); });
    const btn = host.querySelector('button')!;
    act(() => { btn.dispatchEvent(new MouseEvent('click', { bubbles: true })); });
    expect(MeToast.count()).toBe(1);
    act(() => { root.unmount(); });
    expect(MeToast.count()).toBe(0);
    host.remove();
  });
});