feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/i18n/__tests__/i18n-provider/context.test.tsx

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { describe, it, expect } from 'vitest';
+
+import { i18nContext } from '../../src/i18n-provider/context';
+
+describe('i18n-provider/context', () => {
+  it('should create a context with default values', () => {
+    // 验证 i18nContext 是否被正确创建
+    expect(i18nContext).toBeDefined();
+
+    // 获取默认值 - 使用类型断言访问内部属性
+    // @ts-expect-error - 访问内部属性
+    const defaultValue = i18nContext._currentValue;
+
+    // 验证默认值中的 i18n 对象是否存在
+    expect(defaultValue.i18n).toBeDefined();
+
+    // 验证 t 函数是否存在
+    expect(defaultValue.i18n.t).toBeDefined();
+    expect(typeof defaultValue.i18n.t).toBe('function');
+
+    // 验证 t 函数的行为
+    expect(defaultValue.i18n.t('test-key')).toBe('test-key');
+
+    // 验证 i18nContext 是一个对象
+    expect(typeof i18nContext).toBe('object');
+  });
+});

frontend/packages/arch/i18n/__tests__/i18n-provider/index.test.tsx

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import React from 'react';
+
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+
+import { I18nProvider } from '../../src/i18n-provider';
+
+vi.mock('@coze-arch/coze-design/locales', () => ({
+  CDLocaleProvider: vi.fn(() => ({
+    render: vi.fn().mockImplementation(r => r),
+  })),
+}));
+
+describe('I18nProvider', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(I18nProvider).toBeDefined();
+  });
+
+  it('should render with default i18n when no i18n prop is provided', () => {
+    const children = <div>Test</div>;
+    const provider = new I18nProvider({ children });
+    const result = provider.render().props.children;
+
+    // 验证渲染结果
+    expect(result).toBeDefined();
+    expect(result.props).toBeDefined();
+    expect(result.props.value).toBeDefined();
+    expect(result.props.value.i18n).toBeDefined();
+    expect(typeof result.props.value.i18n.t).toBe('function');
+    expect(result.props.children).toBe(children);
+
+    // 验证默认的 t 函数行为
+    const defaultT = result.props.value.i18n.t;
+    expect(defaultT('test-key')).toBe('test-key');
+  });
+
+  it('should render with provided i18n', () => {
+    const children = <div>Test</div>;
+    const mockI18n = {
+      t: vi.fn(key => `translated-${key}`),
+      i18nInstance: {},
+      init: vi.fn(),
+      use: vi.fn(),
+      language: 'zh-CN',
+      languages: ['zh-CN', 'en-US'],
+      messages: {},
+      formatMessage: vi.fn(),
+    };
+
+    const provider = new I18nProvider({ children, i18n: mockI18n as any });
+    const result = provider.render().props.children;
+
+    // 验证渲染结果
+    expect(result).toBeDefined();
+    expect(result.props).toBeDefined();
+    expect(result.props.value).toBeDefined();
+    expect(result.props.value.i18n).toBe(mockI18n);
+    expect(result.props.children).toBe(children);
+
+    // 验证使用了提供的 i18n
+    const key = 'test-key';
+    result.props.value.i18n.t(key);
+    expect(mockI18n.t).toHaveBeenCalledWith(key);
+    expect(mockI18n.t(key)).toBe('translated-test-key');
+  });
+});