src/test/java/com/pt5/pthouduan/service/CommentServiceTest.java

package com.pt5.pthouduan.service;

import com.pt5.pthouduan.entity.Comment;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import java.time.LocalDateTime;
import java.util.Collections;
import java.util.List;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;

class CommentServiceTest {

    @Mock
    private CommentService commentService;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    void createComment_ShouldReturnCreatedComment() {
        Comment newComment = new Comment();
        newComment.setUserid(1L);
        newComment.setPostid(10);
        newComment.setPostCommentcontent("这是一个评论");
        newComment.setCommenttime(LocalDateTime.now());

        when(commentService.createComment(any(Comment.class))).thenReturn(newComment);

        Comment result = commentService.createComment(newComment);

        assertNotNull(result);
        assertEquals("这是一个评论", result.getPostCommentcontent());
        verify(commentService).createComment(newComment);
    }

    @Test
    void deleteComment_ShouldReturnTrue() {
        when(commentService.deleteComment(1)).thenReturn(true);

        boolean result = commentService.deleteComment(1);

        assertTrue(result);
        verify(commentService).deleteComment(1);
    }

    @Test
    void updateComment_ShouldReturnTrue() {
        Comment comment = new Comment();
        comment.setCommentid(1);
        comment.setPostCommentcontent("更新的评论");

        when(commentService.updateComment(comment)).thenReturn(true);

        boolean result = commentService.updateComment(comment);

        assertTrue(result);
        verify(commentService).updateComment(comment);
    }

    @Test
    void getCommentsByPostId_ShouldReturnCommentsList() {
        Comment comment = new Comment();
        comment.setPostid(10);
        comment.setPostCommentcontent("测试评论");

        when(commentService.getCommentsByPostId(10)).thenReturn(Collections.singletonList(comment));

        List<Comment> result = commentService.getCommentsByPostId(10);

        assertEquals(1, result.size());
        assertEquals("测试评论", result.get(0).getPostCommentcontent());
    }

    @Test
    void likeComment_ShouldReturnTrue() {
        when(commentService.likeComment(1)).thenReturn(true);

        boolean result = commentService.likeComment(1);

        assertTrue(result);
        verify(commentService).likeComment(1);
    }

    @Test
    void unlikeComment_ShouldReturnTrue() {
        when(commentService.unlikeComment(1)).thenReturn(true);

        boolean result = commentService.unlikeComment(1);

        assertTrue(result);
        verify(commentService).unlikeComment(1);
    }
}