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frontend/lib/src/hooks/useScrollToBottom.test.ts
43 строки
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Ken McGrady
Update copyright header to 2026 (#13491)
02 янв 2026, 16:21
Не верифицирован
02 янв 2026, 16:21
374540a
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/** * Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2026) * * 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 { renderHook } from "@testing-library/react" import { MockedFunction } from "vitest" import { useScrollToBottom } from "./useScrollToBottom" import useStateRef from "./useStateRef" vi.mock("./useScrollSpy") vi.mock("./useScrollAnimation") vi.mock("./useStateRef") describe("useScrollToBottom", () => { beforeEach(() => { vi.clearAllMocks() }) it("should initialize with proper values", () => { const mockedUseStateRef = useStateRef as MockedFunction<typeof useStateRef> mockedUseStateRef.mockImplementation(initialValue => [ initialValue, vi.fn(), { current: initialValue }, ]) const { result } = renderHook(() => useScrollToBottom(true)) expect(result.current).not.toBeNull() expect(result.current.current).toBeNull() }) })