修改论坛、促销、登录，增加测试
Change-Id: I71883fc1da46a94db47f90a4cd61474c274a5b2c
diff --git a/src/__tests__/CreatePost.test.js b/src/__tests__/CreatePost.test.js
new file mode 100644
index 0000000..2695c5e
--- /dev/null
+++ b/src/__tests__/CreatePost.test.js
@@ -0,0 +1,106 @@
+
+import React from 'react';
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import CreatePost from '../pages/Forum/posts-create/CreatePost';
+import axios from 'axios';
+
+// mock axios
+jest.mock('axios');
+
+describe('CreatePost Component', () => {
+ const mockUserId = 123;
+
+ beforeEach(() => {
+ axios.post.mockClear();
+ });
+
+ test('renders form inputs and button', () => {
+ render(<CreatePost user_id={mockUserId} />);
+
+ expect(screen.getByLabelText(/标题/)).toBeInTheDocument();
+ expect(screen.getByLabelText(/内容/)).toBeInTheDocument();
+ expect(screen.getByLabelText(/图片链接/)).toBeInTheDocument();
+ expect(screen.getByRole('button', { name: '发布' })).toBeInTheDocument();
+ });
+
+ test('shows error when title and content are empty', async () => {
+ render(<CreatePost user_id={mockUserId} />);
+
+ fireEvent.click(screen.getByRole('button', { name: '发布' }));
+
+ expect(await screen.findByText('标题和内容不能为空')).toBeInTheDocument();
+ });
+
+ test('submits post and shows success message', async () => {
+ axios.post.mockResolvedValueOnce({
+ data: { post_id: 456 },
+ });
+
+ render(<CreatePost user_id={mockUserId} />);
+
+ fireEvent.change(screen.getByLabelText(/标题/), {
+ target: { value: '测试标题' },
+ });
+ fireEvent.change(screen.getByLabelText(/内容/), {
+ target: { value: '测试内容' },
+ });
+ fireEvent.change(screen.getByLabelText(/图片链接/), {
+ target: { value: 'http://example.com/image.jpg' },
+ });
+
+ fireEvent.click(screen.getByRole('button', { name: '发布' }));
+
+ await waitFor(() =>
+ expect(axios.post).toHaveBeenCalledWith(
+ `http://localhost:8080/echo/forum/posts/${mockUserId}/createPost`,
+ {
+ title: '测试标题',
+ post_content: '测试内容',
+ image_url: 'http://example.com/image.jpg',
+ }
+ )
+ );
+
+ expect(await screen.findByText(/发帖成功，帖子ID：456/)).toBeInTheDocument();
+ });
+
+ test('shows error message on submission failure', async () => {
+ axios.post.mockRejectedValueOnce({
+ response: {
+ data: {
+ error: '服务器内部错误',
+ },
+ },
+ });
+
+ render(<CreatePost user_id={mockUserId} />);
+
+ fireEvent.change(screen.getByLabelText(/标题/), {
+ target: { value: '测试标题' },
+ });
+ fireEvent.change(screen.getByLabelText(/内容/), {
+ target: { value: '测试内容' },
+ });
+
+ fireEvent.click(screen.getByRole('button', { name: '发布' }));
+
+ expect(await screen.findByText('服务器内部错误')).toBeInTheDocument();
+ });
+
+ test('shows fallback error message when no response', async () => {
+ axios.post.mockRejectedValueOnce(new Error('Network error'));
+
+ render(<CreatePost user_id={mockUserId} />);
+
+ fireEvent.change(screen.getByLabelText(/标题/), {
+ target: { value: '测试标题' },
+ });
+ fireEvent.change(screen.getByLabelText(/内容/), {
+ target: { value: '测试内容' },
+ });
+
+ fireEvent.click(screen.getByRole('button', { name: '发布' }));
+
+ expect(await screen.findByText('发帖失败，请稍后重试')).toBeInTheDocument();
+ });
+});