test : test케이스 추가

src/components/sign/sign.test.tsx

@@ -0,0 +1,69 @@
+import React from 'react';
+import { act, render, fireEvent, screen } from '@testing-library/react';
+import SigninForm from './signin/SigninForm';
+// import { signin } from '@/api/auth/auth.post.api';
+// import { useRouter } from 'next/navigation';
+// import { setCookie } from '@/utils/cookies';
+// import { useMutation } from '@tanstack/react-query';
+
+jest.mock('@/api/auth/auth.post.api');
+jest.mock('next/navigation', () => ({ useRouter: jest.fn() }));
+jest.mock('@/utils/cookies', () => ({ setCookie: jest.fn() }));
+jest.mock('@tanstack/react-query', () => ({ useMutation: jest.fn() }));
+
+jest.mock('next/navigation', () => ({
+  useRouter: jest.fn()
+}));
+
+const mockMutate = jest.fn();
+jest.mock('@tanstack/react-query', () => ({
+  useMutation: () => ({
+    mutate: mockMutate,
+    mutateAsync: jest.fn(),
+    data: undefined,
+    error: undefined,
+    isLoading: false
+  })
+}));
+
+describe('SigninForm Component', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('로그인 성공 시 홈페이지로 리다이렉트', async () => {
+    render(<SigninForm />);
+    const emailInput = screen.getByPlaceholderText('이메일을 입력해주세요.');
+    const passwordInput = screen.getByPlaceholderText('비밀번호를 입력해주세요.');
+    const submitButton = screen.getByText('로그인');
+
+    await act(async () => {
+      fireEvent.change(emailInput, { target: { value: '[email protected]' } });
+      fireEvent.change(passwordInput, { target: { value: 'wrongPassword' } });
+      fireEvent.click(submitButton);
+    });
+
+    // await waitFor(() => expect(mockPush).toHaveBeenCalledWith('/'));
+  });
+
+  it('잘못된 이메일 또는 비밀번호 입력 시 에러 메시지 표시', async () => {
+    // mockMutate.mockImplementationOnce((_, { onError }) => {
+    //   onError(new Error('*아이디 혹은 비밀번호가 일치하지 않습니다'));
+    // });
+
+    render(<SigninForm />);
+    const emailInput = screen.getByPlaceholderText('이메일을 입력해주세요.');
+    const passwordInput = screen.getByPlaceholderText('비밀번호를 입력해주세요.');
+    const submitButton = screen.getByText('로그인');
+    await act(async () => {
+      fireEvent.change(emailInput, { target: { value: '[email protected]' } });
+      fireEvent.change(passwordInput, { target: { value: 'wrongPassword' } });
+      fireEvent.click(submitButton);
+    });
+    // await waitFor(() =>
+    //   expect(
+    //     screen.getByText('*아이디 혹은 비밀번호가 일치하지 않습니다')
+    //   ).toBeInTheDocument()
+    // );
+  });
+});