fix: make review snapshots reproducible

backend/test_search_reviews.py

@@ -7,6 +7,15 @@ from search.api import Api, ApiError
 
 
 class SearchReviewTest(unittest.TestCase):
+    def test_review_must_cover_each_snapshot_rank_once(self):
+        with tempfile.TemporaryDirectory() as temporary:
+            api = Api("http://opensearch:9200", "current", Path(temporary), Path(temporary) / "reviews.sqlite3", b"test-secret")
+            response = {"hits": {"hits": [{"_index": "search-20260827", "_source": {"document_code": "7", "edition_code": "10", "document_name_ru": "Закон"}}, {"_index": "search-20260827", "_source": {"document_code": "8", "edition_code": "11", "document_name_ru": "Кодекс"}}]}}
+            with patch("search.api.request_json", return_value=response):
+                result = api.handle("GET", "/search?q=test&language=ru&page_size=2")[1]
+            with self.assertRaisesRegex(ApiError, "exactly once"):
+                api.handle("POST", "/search-reviews", {"review_token": result["review_token"], "reviewer": "Юрист", "results": [{"rank": 1, "code": "7", "rating": 3}]})
+
     def test_saves_signed_search_snapshot_and_rejects_tampering(self):
         with tempfile.TemporaryDirectory() as temporary:
             api = Api("http://opensearch:9200", "current", Path(temporary), Path(temporary) / "reviews.sqlite3", b"test-secret")