feat: 修复代码审核报告问题

tests/test_tagger.py

@@ -0,0 +1,43 @@
+"""分类/标签模块测试"""
+from app.tagger import classify_article, tag_article, tag_articles
+from models import EnrichedArticle, Taxonomy
+
+
+def test_classify_article(db):
+    categories = [
+        Taxonomy(name="科技", kind="category", keywords=["AI", "大模型", "芯片"]),
+        Taxonomy(name="财经", kind="category", keywords=["股市", "基金", "财报"]),
+    ]
+    article = EnrichedArticle(
+        rk_article_id=1,
+        title="OpenAI 发布新一代大模型",
+    )
+    assert classify_article(article, categories) == "科技"
+
+
+def test_tag_article(db):
+    tags = [
+        Taxonomy(name="人工智能", kind="tag", keywords=["AI", "人工智能", "大模型"]),
+        Taxonomy(name="半导体", kind="tag", keywords=["芯片", "半导体"]),
+    ]
+    article = EnrichedArticle(
+        rk_article_id=1,
+        title="OpenAI 发布新一代大模型",
+    )
+    result = tag_article(article, tags)
+    assert "人工智能" in result
+
+
+def test_tag_articles_integration(db):
+    db.add_all([
+        Taxonomy(name="科技", kind="category", keywords=["AI", "大模型"]),
+        Taxonomy(name="人工智能", kind="tag", keywords=["AI", "大模型"]),
+    ])
+    article = EnrichedArticle(rk_article_id=1, title="OpenAI 发布 GPT-5 大模型")
+    db.add(article)
+    db.commit()
+
+    count = tag_articles(db)
+    assert count == 1
+    assert article.category == "科技"
+    assert "人工智能" in article.tags