fix(bilibili): 修复缺失置顶评论

tests/test_bilibili_client_comments.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+"""
+教学版回归测试(B站 bilibili):确保视频评论首页的置顶评论及楼中楼不会遗漏。
+
+覆盖:
+1. top/top_replies 与 replies 重复时,置顶评论只回调一次并触发楼中楼抓取。
+2. 兼容 top 直接返回评论对象的接口形态。
+"""
+
+import pytest
+
+from media_platform.bilibili.client import BilibiliClient
+
+
+@pytest.mark.asyncio
+async def test_video_comments_include_pinned_comment_once_and_fetch_replies():
+    client = object.__new__(BilibiliClient)
+    pinned = {"rpid": 193769108192, "rcount": 6}
+    regular = {"rpid": 193434771680, "rcount": 0}
+    callbacks = []
+    sub_comment_calls = []
+
+    async def get_video_comments(video_id, order_mode, next_page):
+        return {
+            "cursor": {"is_end": True, "next": 0},
+            "replies": [pinned.copy(), regular],
+            "top": {"upper": pinned},
+            "top_replies": [pinned],
+        }
+
+    async def get_video_all_level_two_comments(
+        video_id, comment_id, order_mode, ps, crawl_interval, callback
+    ):
+        sub_comment_calls.append(comment_id)
+
+    async def callback(video_id, comments):
+        callbacks.append([comment["rpid"] for comment in comments])
+
+    client.get_video_comments = get_video_comments
+    client.get_video_all_level_two_comments = get_video_all_level_two_comments
+
+    await client.get_video_all_comments(
+        video_id="323173868",
+        crawl_interval=0,
+        is_fetch_sub_comments=True,
+        callback=callback,
+        max_count=10,
+    )
+
+    assert callbacks == [[pinned["rpid"], regular["rpid"]]]
+    assert sub_comment_calls == [pinned["rpid"]]
+
+
+@pytest.mark.asyncio
+async def test_video_comments_accept_direct_top_comment():
+    client = object.__new__(BilibiliClient)
+    callbacks = []
+
+    async def get_video_comments(video_id, order_mode, next_page):
+        return {
+            "cursor": {"is_end": True, "next": 0},
+            "replies": [],
+            "top": {"rpid": 1, "rcount": 0},
+        }
+
+    async def callback(video_id, comments):
+        callbacks.extend(comments)
+
+    client.get_video_comments = get_video_comments
+
+    await client.get_video_all_comments(
+        video_id="323173868", crawl_interval=0, callback=callback, max_count=10
+    )
+
+    assert [comment["rpid"] for comment in callbacks] == [1]