Add support nested fields

Author: alallema

datasets/nested_movies.json

@@ -0,0 +1,54 @@
+[
+  {
+    "id": 1,
+    "title": "Pride and Prejudice",
+    "info": {
+      "comment": "A great book",
+      "reviewNb": 50
+    }
+  },
+  {
+    "id": 2,
+    "title": "Le Petit Prince",
+    "info": {
+      "comment": "A french book",
+      "reviewNb": 600
+    }
+  },
+  {
+    "id": 3,
+    "title": "Le Rouge et le Noir",
+    "info": {
+      "comment": "Another french book",
+      "reviewNb": 700
+    }
+  },
+  {
+    "id": 4,
+    "title": "Alice In Wonderland",
+    "comment": "A weird book",
+    "info": {
+      "comment": "A weird book",
+      "reviewNb": 800
+    }
+  },
+  {
+    "id": 5,
+    "title": "The Hobbit",
+    "info": {
+      "comment": "An awesome book",
+      "reviewNb": 900
+    }
+  },
+  {
+    "id": 6,
+    "title": "Harry Potter and the Half-Blood Prince",
+    "info": {
+      "comment": "The best book",
+      "reviewNb": 1000
+    }
+  },
+  { "id": 7,
+    "title": "The Hitchhiker's Guide to the Galaxy"
+  }
+]

tests/conftest.py

@@ -67,6 +67,14 @@ def songs_ndjson():
     with open('./datasets/songs.ndjson', 'r', encoding='utf-8') as song_ndjson_file:
         return song_ndjson_file.read().encode('utf-8')
 
+@fixture(scope='session')
+def nested_movies():
+    """
+    Runs once per session. Provides the content of nested_movies.json.
+    """
+    with open('./datasets/nested_movies.json', 'r', encoding='utf-8') as nested_movie_file:
+        yield json.loads(nested_movie_file.read())
+
 @fixture(scope='function')
 def empty_index(client, index_uid: Optional[str] = None):
     index_uid = index_uid if index_uid else common.INDEX_UID

tests/index/test_index_search_meilisearch.py

@@ -350,3 +350,37 @@ def test_phrase_search(index_with_documents):
     assert 'release_date' in response['hits'][0]
     assert response['hits'][0]['title'] == 'Dumbo'
     assert '_formatted' not in response['hits'][0]
+
+def test_basic_search_on_nested_documents(index_with_documents, nested_movies):
+    """Tests search with an simple query on nested fields."""
+    response = index_with_documents('nested_fields_index', nested_movies).search('An awesome')
+    assert isinstance(response, dict)
+    assert response['hits'][0]['id'] == 5
+    assert len(response['hits']) == 1
+
+def test_search_on_nested_documents_with_searchable_attributes(index_with_documents, nested_movies):
+    """Tests search on nested fields with searchable attribute."""
+    index = index_with_documents('nested_fields_index', nested_movies)
+    response_searchable_attributes = index.update_searchable_attributes(['title', 'info.comment'])
+    index.wait_for_task(response_searchable_attributes['uid'])
+    response = index.search('An awesome')
+    assert isinstance(response, dict)
+    assert response['hits'][0]['id'] == 5
+    assert len(response['hits']) == 1
+
+def test_search_on_nested_documents_with_sortable_attributes(index_with_documents, nested_movies):
+    """Tests search on nested fields with searchable attribute and sortable attributes."""
+    index = index_with_documents('nested_fields_index', nested_movies)
+    response_settings = index.update_settings({
+        'searchableAttributes': ['title', 'info.comment'],
+        'sortableAttributes': ['info.reviewNb'],
+    })
+    index.wait_for_task(response_settings['uid'])
+    response = index.search(
+        '',
+        {
+            'sort': ['info.reviewNb:desc']
+        }
+    )
+    assert isinstance(response, dict)
+    assert response['hits'][0]['id'] == 6