knowai/test/unit/api/modules/post.test.ts

/**
 * 帖子API模块测试
 * 测试帖子相关的API调用，包括创建帖子、获取帖子列表、点赞、评论等功能
 */

import { describe, it, expect, vi, beforeEach } from 'vitest';
import { postApi } from '@/api/modules/post';
import { createMockAxios } from '@/test/mocks/http-client';
import { 
  createMockPost,
  createMockUser,
  createMockPostComment
} from '@/test/mocks/data-factory';
import type { ApiClient } from '@/api/client';
import type {
  CreatePostRequest,
  CreatePostResponse,
  GetPostsRequest,
  GetPostsResponse,
  GetPostRequest,
  GetPostResponse,
  LikePostRequest,
  LikePostResponse,
  BookmarkPostRequest,
  BookmarkPostResponse,
  CreateCommentRequest,
  CreateCommentResponse,
  GetCommentsRequest,
  GetCommentsResponse,
  LikeCommentRequest,
  LikeCommentResponse
} from '@/types/post/api';

describe('帖子API模块', () => {
  let mockClient: ApiClient;
  let postApiInstance: ReturnType<typeof postApi>;

  beforeEach(() => {
    // 创建模拟的API客户端
    mockClient = {
      get: vi.fn(),
      post: vi.fn(),
      put: vi.fn(),
      delete: vi.fn(),
      patch: vi.fn(),
      request: vi.fn(),
      getWithResponse: vi.fn(),
      postWithResponse: vi.fn(),
      putWithResponse: vi.fn(),
      deleteWithResponse: vi.fn(),
      patchWithResponse: vi.fn(),
      requestWithResponse: vi.fn(),
      addRequestInterceptor: vi.fn(),
      addResponseInterceptor: vi.fn(),
      removeRequestInterceptor: vi.fn(),
      removeResponseInterceptor: vi.fn(),
      setDefaults: vi.fn(),
      setBaseURL: vi.fn(),
      createInstance: vi.fn(),
    } as unknown as ApiClient;

    // 创建帖子API实例
    postApiInstance = postApi(mockClient);
  });

  describe('创建帖子功能', () => {
    it('应该能够创建新帖子', async () => {
      const createRequest: CreatePostRequest = {
        title: '测试帖子标题',
        content: '这是一个测试帖子的内容',
        tags: ['测试', 'API'],
        isPublic: true
      };
      const mockPost = createMockPost({
        title: createRequest.title,
        content: createRequest.content,
        tags: createRequest.tags
      });
      const mockResponse: CreatePostResponse = {
        success: true,
        data: mockPost,
        message: '帖子创建成功',
        code: 201
      };

      mockClient.post.mockResolvedValue(mockResponse);

      const result = await postApiInstance.createPost(createRequest);

      expect(mockClient.post).toHaveBeenCalledWith('/posts', createRequest);
      expect(result).toEqual(mockResponse);
    });

    it('应该处理创建帖子失败的情况', async () => {
      const createRequest: CreatePostRequest = {
        title: '',
        content: '',
        tags: [],
        isPublic: true
      };
      const errorResponse = {
        success: false,
        data: null,
        message: '标题和内容不能为空',
        code: 400
      };

      mockClient.post.mockRejectedValue(errorResponse);

      await expect(postApiInstance.createPost(createRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.post).toHaveBeenCalledWith('/posts', createRequest);
    });
  });

  describe('获取帖子列表功能', () => {
    it('应该能够获取帖子列表', async () => {
      const getRequest: GetPostsRequest = {
        page: 1,
        limit: 10,
        tag: '测试'
      };
      const mockPosts = [
        createMockPost({ id: 'post-1' }),
        createMockPost({ id: 'post-2' })
      ];
      const mockResponse: GetPostsResponse = {
        success: true,
        data: {
          posts: mockPosts,
          pagination: {
            page: 1,
            limit: 10,
            total: 100,
            totalPages: 10
          }
        },
        message: '获取帖子列表成功',
        code: 200
      };

      mockClient.get.mockResolvedValue(mockResponse);

      const result = await postApiInstance.getPosts(getRequest);

      expect(mockClient.get).toHaveBeenCalledWith('/posts', { params: getRequest });
      expect(result).toEqual(mockResponse);
    });

    it('应该处理获取帖子列表失败的情况', async () => {
      const getRequest: GetPostsRequest = {
        page: -1, // 无效的页码
        limit: 10
      };
      const errorResponse = {
        success: false,
        data: null,
        message: '页码必须大于0',
        code: 400
      };

      mockClient.get.mockRejectedValue(errorResponse);

      await expect(postApiInstance.getPosts(getRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.get).toHaveBeenCalledWith('/posts', { params: getRequest });
    });
  });

  describe('获取帖子详情功能', () => {
    it('应该能够获取帖子详情', async () => {
      const getRequest: GetPostRequest = { postId: 'post-123' };
      const mockPost = createMockPost({ id: 'post-123' });
      const mockResponse: GetPostResponse = {
        success: true,
        data: mockPost,
        message: '获取帖子详情成功',
        code: 200
      };

      mockClient.get.mockResolvedValue(mockResponse);

      const result = await postApiInstance.getPost(getRequest);

      expect(mockClient.get).toHaveBeenCalledWith('/posts/post-123');
      expect(result).toEqual(mockResponse);
    });

    it('应该处理获取不存在帖子的情况', async () => {
      const getRequest: GetPostRequest = { postId: 'non-existent-post' };
      const errorResponse = {
        success: false,
        data: null,
        message: '帖子不存在',
        code: 404
      };

      mockClient.get.mockRejectedValue(errorResponse);

      await expect(postApiInstance.getPost(getRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.get).toHaveBeenCalledWith('/posts/non-existent-post');
    });
  });

  describe('点赞帖子功能', () => {
    it('应该能够点赞帖子', async () => {
      const likeRequest: LikePostRequest = { postId: 'post-123' };
      const mockResponse: LikePostResponse = {
        success: true,
        message: '点赞成功',
        code: 200
      };

      mockClient.put.mockResolvedValue(mockResponse);

      const result = await postApiInstance.likePost(likeRequest);

      expect(mockClient.put).toHaveBeenCalledWith('/posts/post-123/like');
      expect(result).toEqual(mockResponse);
    });

    it('应该处理点赞不存在帖子的情况', async () => {
      const likeRequest: LikePostRequest = { postId: 'non-existent-post' };
      const errorResponse = {
        success: false,
        data: null,
        message: '帖子不存在',
        code: 404
      };

      mockClient.put.mockRejectedValue(errorResponse);

      await expect(postApiInstance.likePost(likeRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.put).toHaveBeenCalledWith('/posts/non-existent-post/like');
    });
  });

  describe('收藏帖子功能', () => {
    it('应该能够收藏帖子', async () => {
      const bookmarkRequest: BookmarkPostRequest = { postId: 'post-123' };
      const mockResponse: BookmarkPostResponse = {
        success: true,
        message: '收藏成功',
        code: 200
      };

      mockClient.put.mockResolvedValue(mockResponse);

      const result = await postApiInstance.bookmarkPost(bookmarkRequest);

      expect(mockClient.put).toHaveBeenCalledWith('/posts/post-123/bookmark');
      expect(result).toEqual(mockResponse);
    });

    it('应该处理收藏不存在帖子的情况', async () => {
      const bookmarkRequest: BookmarkPostRequest = { postId: 'non-existent-post' };
      const errorResponse = {
        success: false,
        data: null,
        message: '帖子不存在',
        code: 404
      };

      mockClient.put.mockRejectedValue(errorResponse);

      await expect(postApiInstance.bookmarkPost(bookmarkRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.put).toHaveBeenCalledWith('/posts/non-existent-post/bookmark');
    });
  });

  describe('创建评论功能', () => {
    it('应该能够创建评论', async () => {
      const commentRequest: CreateCommentRequest = {
        postId: 'post-123',
        content: '这是一个测试评论',
        parentId: 'parent-comment-123'
      };
      const mockComment = createMockPostComment({
        postId: commentRequest.postId,
        content: commentRequest.content,
        parentId: commentRequest.parentId
      });
      const mockResponse: CreateCommentResponse = {
        success: true,
        data: mockComment,
        message: '评论创建成功',
        code: 201
      };

      mockClient.post.mockResolvedValue(mockResponse);

      const result = await postApiInstance.createComment(commentRequest);

      expect(mockClient.post).toHaveBeenCalledWith('/posts/post-123/comments', commentRequest);
      expect(result).toEqual(mockResponse);
    });

    it('应该处理创建评论失败的情况', async () => {
      const commentRequest: CreateCommentRequest = {
        postId: 'post-123',
        content: '', // 空评论内容
        parentId: 'parent-comment-123'
      };
      const errorResponse = {
        success: false,
        data: null,
        message: '评论内容不能为空',
        code: 400
      };

      mockClient.post.mockRejectedValue(errorResponse);

      await expect(postApiInstance.createComment(commentRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.post).toHaveBeenCalledWith('/posts/post-123/comments', commentRequest);
    });
  });

  describe('获取评论列表功能', () => {
    it('应该能够获取评论列表', async () => {
      const commentsRequest: GetCommentsRequest = {
        postId: 'post-123',
        page: 1,
        limit: 10,
        sortBy: 'createdAt',
        sortOrder: 'desc'
      };
      const mockComments = [
        createMockPostComment({ id: 'comment-1', postId: 'post-123' }),
        createMockPostComment({ id: 'comment-2', postId: 'post-123' })
      ];
      const mockResponse: GetCommentsResponse = {
        success: true,
        data: {
          comments: mockComments,
          pagination: {
            page: 1,
            limit: 10,
            total: 50,
            totalPages: 5
          }
        },
        message: '获取评论列表成功',
        code: 200
      };

      mockClient.get.mockResolvedValue(mockResponse);

      const result = await postApiInstance.getComments(commentsRequest);

      expect(mockClient.get).toHaveBeenCalledWith('/posts/post-123/comments', { 
        params: { page: 1, limit: 10, sortBy: 'createdAt', sortOrder: 'desc' } 
      });
      expect(result).toEqual(mockResponse);
    });

    it('应该处理获取评论列表失败的情况', async () => {
      const commentsRequest: GetCommentsRequest = {
        postId: 'post-123',
        page: -1, // 无效的页码
        limit: 10
      };
      const errorResponse = {
        success: false,
        data: null,
        message: '页码必须大于0',
        code: 400
      };

      mockClient.get.mockRejectedValue(errorResponse);

      await expect(postApiInstance.getComments(commentsRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.get).toHaveBeenCalledWith('/posts/post-123/comments', { 
        params: { page: -1, limit: 10 } 
      });
    });
  });

  describe('点赞评论功能', () => {
    it('应该能够点赞评论', async () => {
      const likeCommentRequest: LikeCommentRequest = { commentId: 'comment-123' };
      const mockResponse: LikeCommentResponse = {
        success: true,
        message: '点赞评论成功',
        code: 200
      };

      mockClient.put.mockResolvedValue(mockResponse);

      const result = await postApiInstance.likeComment(likeCommentRequest);

      expect(mockClient.put).toHaveBeenCalledWith('/comments/comment-123/like');
      expect(result).toEqual(mockResponse);
    });

    it('应该处理点赞不存在评论的情况', async () => {
      const likeCommentRequest: LikeCommentRequest = { commentId: 'non-existent-comment' };
      const errorResponse = {
        success: false,
        data: null,
        message: '评论不存在',
        code: 404
      };

      mockClient.put.mockRejectedValue(errorResponse);

      await expect(postApiInstance.likeComment(likeCommentRequest)).rejects.toEqual(errorResponse);
      expect(mockClient.put).toHaveBeenCalledWith('/comments/non-existent-comment/like');
    });
  });
})