test: add unit test for src/react/utils/useResetAtom.ts

src/react/utils/useResetAtom.gru.test.ts

@@ -0,0 +1,37 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+import { renderHook } from '@testing-library/react'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { useSetAtom } from '../../react.ts'
+import { RESET } from '../../vanilla/utils.ts'
+import { useResetAtom } from './useResetAtom.ts'
+
+vi.mock('../../react.ts', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('../../react.ts')>()
+  return {
+    ...actual,
+    useSetAtom: vi.fn(),
+  }
+})
+
+describe('useResetAtom', () => {
+  const mockSetAtom = vi.fn()
+
+  beforeEach(() => {
+    vi.clearAllMocks()
+    vi.mocked(useSetAtom).mockReturnValue(mockSetAtom)
+  })
+
+  it('should return a function', () => {
+    const { result } = renderHook(() => useResetAtom({} as any))
+    expect(typeof result.current).toBe('function')
+  })
+
+  it('should call setAtom with RESET when invoked', () => {
+    const { result } = renderHook(() => useResetAtom({} as any))
+    result.current()
+    expect(mockSetAtom).toHaveBeenCalledWith(RESET)
+  })
+})