feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/bot-hooks-base/__tests__/use-line-clamp.test.tsx

@@ -0,0 +1,98 @@
+/*
+ * 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, vi, beforeEach, afterEach } from 'vitest';
+import { renderHook, act } from '@testing-library/react';
+
+import { useLineClamp } from '../src/use-line-clamp';
+
+describe('useLineClamp', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('should return contentRef and isClamped', () => {
+    const { result } = renderHook(() => useLineClamp());
+
+    expect(result.current.contentRef).toBeDefined();
+    expect(result.current.isClamped).toBe(false);
+  });
+
+  it('should add and remove resize event listener', () => {
+    const addEventListenerSpy = vi.spyOn(window, 'addEventListener');
+    const removeEventListenerSpy = vi.spyOn(window, 'removeEventListener');
+
+    const { unmount } = renderHook(() => useLineClamp());
+
+    expect(addEventListenerSpy).toHaveBeenCalledWith(
+      'resize',
+      expect.any(Function),
+    );
+
+    unmount();
+
+    expect(removeEventListenerSpy).toHaveBeenCalledWith(
+      'resize',
+      expect.any(Function),
+    );
+  });
+
+  it('should update isClamped when content height changes', () => {
+    const mockDiv = document.createElement('div');
+    Object.defineProperties(mockDiv, {
+      scrollHeight: {
+        configurable: true,
+        get: () => 100,
+      },
+      clientHeight: {
+        configurable: true,
+        get: () => 50,
+      },
+    });
+
+    const { result } = renderHook(() => useLineClamp());
+
+    // 使用 vi.spyOn 来模拟 contentRef.current
+    vi.spyOn(result.current.contentRef, 'current', 'get').mockReturnValue(
+      mockDiv,
+    );
+
+    // 使用 act 包装异步操作
+    act(() => {
+      window.dispatchEvent(new Event('resize'));
+    });
+
+    expect(result.current.isClamped).toBe(true);
+  });
+
+  it('should handle null contentRef', () => {
+    const { result } = renderHook(() => useLineClamp());
+
+    // 使用 vi.spyOn 来模拟 contentRef.current 为 null
+    vi.spyOn(result.current.contentRef, 'current', 'get').mockReturnValue(null);
+
+    // 使用 act 包装异步操作
+    act(() => {
+      window.dispatchEvent(new Event('resize'));
+    });
+
+    expect(result.current.isClamped).toBe(false);
+  });
+});