添加Comment相关文件

Change-Id: I823c09a1b576af5b176538f45b30e81cc7789550
diff --git a/src/test/java/com/pt5/pthouduan/service/CommentServiceTest.java b/src/test/java/com/pt5/pthouduan/service/CommentServiceTest.java
new file mode 100644
index 0000000..bfce395
--- /dev/null
+++ b/src/test/java/com/pt5/pthouduan/service/CommentServiceTest.java
@@ -0,0 +1,100 @@
+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);
+    }
+}