Jest - Mock custom hook

index.test.tsx

// Method 1
const mockData = {
  something: 'value'
};

const mockUseSomething = jest.fn().mockReturnValue({
  data: mockData,
  isLoading: false,
  isSuccess: true,
  refetch: () => mockUseSomething
});

jest.mock('~/hooks/useSomething', () => ({
  useSomething: jest.fn()
}));

(usePolicyURL as jest.Mock).mockImplementation(mockUseSomething);

expect(mockUseSomething).toHaveBeenCalled();