Fix: correct multi-search non-adjacent queries (#13504)

src/documents/tests/search/test_backend.py

@@ -163,10 +163,55 @@ class TestSearch:
         assert (
             len(backend.search_ids("sswo", user=None, search_mode=SearchMode.TEXT)) == 1
         )
-        assert (
-            len(backend.search_ids("sswo re", user=None, search_mode=SearchMode.TEXT))
-            == 1
+        for query in ["sswo re", "re sswo"]:
+            assert (
+                len(backend.search_ids(query, user=None, search_mode=SearchMode.TEXT))
+                == 1
+            ), query
+
+    def test_text_mode_matches_all_terms_without_requiring_adjacency(
+        self,
+        backend: TantivyBackend,
+    ) -> None:
+        """Simple text mode should match all terms in any order or field."""
+        doc = Document.objects.create(
+            title="complete-medical-history",
+            content="Samsung Odyssey curved monitor",
+            checksum="TXT13",
+            pk=19,
         )
+        backend.add_or_update(doc)
+
+        for query in [
+            "complete history",
+            "history complete",
+            "Samsung curved",
+            "curved Samsung",
+        ]:
+            assert backend.search_ids(
+                query,
+                user=None,
+                search_mode=SearchMode.TEXT,
+            ) == [doc.pk], query
+
+    def test_text_mode_matches_terms_across_title_and_content(
+        self,
+        backend: TantivyBackend,
+    ) -> None:
+        """Each simple-search term may match either title or content."""
+        doc = Document.objects.create(
+            title="Complete record",
+            content="Patient history",
+            checksum="TXT14",
+            pk=20,
+        )
+        backend.add_or_update(doc)
+
+        assert backend.search_ids(
+            "complete history",
+            user=None,
+            search_mode=SearchMode.TEXT,
+        ) == [doc.pk]
 
     def test_text_mode_does_not_match_on_partial_term_overlap(
         self,
@@ -186,11 +231,11 @@ class TestSearch:
             == 0
         )
 
-    def test_text_mode_anchors_later_query_tokens_to_token_starts(
+    def test_text_mode_anchors_numeric_tokens_regardless_of_query_order(
         self,
         backend: TantivyBackend,
     ) -> None:
-        """Multi-token simple search should not match later tokens in the middle of a word."""
+        """Numeric tokens must not match in the middle of a larger number."""
         exact_doc = Document.objects.create(
             title="Z-Berichte 6",
             content="monthly report",
@@ -213,13 +258,14 @@ class TestSearch:
         backend.add_or_update(prefix_doc)
         backend.add_or_update(false_positive)
 
-        result_ids = set(
-            backend.search_ids("Z-Berichte 6", user=None, search_mode=SearchMode.TEXT),
-        )
+        for query in ["Z-Berichte 6", "6 Z-Berichte"]:
+            result_ids = set(
+                backend.search_ids(query, user=None, search_mode=SearchMode.TEXT),
+            )
 
-        assert exact_doc.id in result_ids
-        assert prefix_doc.id in result_ids
-        assert false_positive.id not in result_ids
+            assert exact_doc.id in result_ids, query
+            assert prefix_doc.id in result_ids, query
+            assert false_positive.id not in result_ids, query
 
     def test_text_mode_ignores_queries_without_searchable_tokens(
         self,