Fix: use effective content for matching and suggestion content (#12293)

src/documents/tests/test_matchables.py

@@ -48,6 +48,52 @@ class _TestMatchingBase(TestCase):
 
 
 class TestMatching(_TestMatchingBase):
+    def test_matches_uses_latest_version_content_for_root_documents(self) -> None:
+        root = Document.objects.create(
+            title="root",
+            checksum="root",
+            mime_type="application/pdf",
+            content="root content without token",
+        )
+        Document.objects.create(
+            title="v1",
+            checksum="v1",
+            mime_type="application/pdf",
+            root_document=root,
+            content="latest version contains keyword",
+        )
+        tag = Tag.objects.create(
+            name="tag",
+            match="keyword",
+            matching_algorithm=Tag.MATCH_ANY,
+        )
+
+        self.assertTrue(matching.matches(tag, root))
+
+    def test_matches_does_not_fall_back_to_root_content_when_version_exists(
+        self,
+    ) -> None:
+        root = Document.objects.create(
+            title="root",
+            checksum="root",
+            mime_type="application/pdf",
+            content="root contains keyword",
+        )
+        Document.objects.create(
+            title="v1",
+            checksum="v1",
+            mime_type="application/pdf",
+            root_document=root,
+            content="latest version without token",
+        )
+        tag = Tag.objects.create(
+            name="tag",
+            match="keyword",
+            matching_algorithm=Tag.MATCH_ANY,
+        )
+
+        self.assertFalse(matching.matches(tag, root))
+
     def test_match_none(self) -> None:
         self._test_matching(
             "",