Fix RedisVectorStoreDriver bugs

docs/griptape-framework/drivers/vector-store-drivers.md

@@ -316,7 +316,7 @@ print(result)
 
 The format for creating a vector index should be similar to the following:
 ```
-FT.CREATE idx:griptape ON hash PREFIX 1 "griptape:" SCHEMA tag TAG vector VECTOR FLAT 6 TYPE FLOAT32 DIM 1536 DISTANCE_METRIC COSINE
+FT.CREATE idx:griptape ON hash PREFIX 1 "griptape:" SCHEMA namespace TAG vector VECTOR FLAT 6 TYPE FLOAT32 DIM 1536 DISTANCE_METRIC COSINE
 ```
 
 ## OpenSearch Vector Store Driver

griptape/drivers/vector/redis_vector_store_driver.py

@@ -64,6 +64,9 @@ def upsert_vector(
         mapping["vector"] = np.array(vector, dtype=np.float32).tobytes()
         mapping["vec_string"] = bytes_vector
 
+        if namespace:
+            mapping["namespace"] = namespace
+
         if meta:
             mapping["metadata"] = json.dumps(meta)
 
@@ -120,8 +123,9 @@ def query(
 
         vector = self.embedding_driver.embed_string(query)
 
+        filter_expression = f"(@namespace:{{{namespace}}})" if namespace else "*"
         query_expression = (
-            Query(f"*=>[KNN {count or 10} @vector $vector as score]")
+            Query(f"{filter_expression}=>[KNN {count or 10} @vector $vector as score]")
             .sort_by("score")
             .return_fields("id", "score", "metadata", "vec_string")
             .paging(0, count or 10)
@@ -134,15 +138,15 @@ def query(
 
         query_results = []
         for document in results:
-            metadata = getattr(document, "metadata", None)
+            metadata = json.loads(document.metadata) if hasattr(document, "metadata") else None
             namespace = document.id.split(":")[0] if ":" in document.id else None
             vector_id = document.id.split(":")[1] if ":" in document.id else document.id
-            vector_float_list = json.loads(document["vec_string"]) if include_vectors else None
+            vector_float_list = json.loads(document.vec_string) if include_vectors else None
             query_results.append(
                 BaseVectorStoreDriver.QueryResult(
                     id=vector_id,
                     vector=vector_float_list,
-                    score=float(document["score"]),
+                    score=float(document.score),
                     meta=metadata,
                     namespace=namespace,
                 )

tests/unit/drivers/vector/test_redis_vector_store_driver.py

@@ -1,3 +1,4 @@
+from unittest.mock import MagicMock
 import pytest
 import redis
 from tests.mocks.mock_embedding_driver import MockEmbeddingDriver
@@ -6,43 +7,92 @@
 
 class TestRedisVectorStorageDriver:
     @pytest.fixture(autouse=True)
-    def mock_redis(self, mocker):
-        fake_hgetall_response = {b"vector": b"\x00\x00\x80?\x00\x00\x00@\x00\x00@@", b"metadata": b'{"foo": "bar"}'}
+    def mock_client(self, mocker):
+        return mocker.patch("redis.Redis").return_value
 
-        mocker.patch.object(redis.StrictRedis, "hset", return_value=None)
-        mocker.patch.object(redis.StrictRedis, "hgetall", return_value=fake_hgetall_response)
-        mocker.patch.object(redis.StrictRedis, "keys", return_value=[b"some_namespace:some_vector_id"])
-
-        fake_redisearch = mocker.MagicMock()
-        fake_redisearch.search = mocker.MagicMock(return_value=mocker.MagicMock(docs=[]))
-        fake_redisearch.info = mocker.MagicMock(side_effect=Exception("Index not found"))
-        fake_redisearch.create_index = mocker.MagicMock(return_value=None)
+    @pytest.fixture
+    def mock_keys(self, mock_client):
+        mock_client.keys.return_value = [b"some_vector_id"]
+        return mock_client.keys
 
-        mocker.patch.object(redis.StrictRedis, "ft", return_value=fake_redisearch)
+    @pytest.fixture
+    def mock_hgetall(self, mock_client):
+        mock_client.hgetall.return_value = {
+            b"vector": b"\x00\x00\x80?\x00\x00\x00@\x00\x00@@",
+            b"metadata": b'{"foo": "bar"}',
+        }
+        return mock_client.hgetall
 
     @pytest.fixture
     def driver(self):
         return RedisVectorStoreDriver(
             host="localhost", port=6379, index="test_index", db=0, embedding_driver=MockEmbeddingDriver()
         )
 
+    @pytest.fixture
+    def mock_search(self, mock_client):
+        mock_client.ft.return_value.search.return_value.docs = [
+            MagicMock(
+                id="some_namespace:some_vector_id",
+                score="0.456198036671",
+                metadata='{"foo": "bar"}',
+                vec_string="[1.0, 2.0, 3.0]",
+            )
+        ]
+        return mock_client.ft.return_value.search
+
     def test_upsert_vector(self, driver):
         assert (
             driver.upsert_vector([1.0, 2.0, 3.0], vector_id="some_vector_id", namespace="some_namespace")
             == "some_vector_id"
         )
 
-    def test_load_entry(self, driver):
+    def test_load_entry(self, driver, mock_hgetall):
+        entry = driver.load_entry("some_vector_id")
+        mock_hgetall.assert_called_once_with("some_vector_id")
+        assert entry.id == "some_vector_id"
+        assert entry.vector == [1.0, 2.0, 3.0]
+        assert entry.meta == {"foo": "bar"}
+
+    def test_load_entry_with_namespace(self, driver, mock_hgetall):
         entry = driver.load_entry("some_vector_id", namespace="some_namespace")
+        mock_hgetall.assert_called_once_with("some_namespace:some_vector_id")
         assert entry.id == "some_vector_id"
         assert entry.vector == [1.0, 2.0, 3.0]
         assert entry.meta == {"foo": "bar"}
 
-    def test_load_entries(self, driver):
+    def test_load_entries(self, driver, mock_keys, mock_hgetall):
+        entries = driver.load_entries()
+        mock_keys.assert_called_once_with("*")
+        mock_hgetall.assert_called_once_with("some_vector_id")
+        assert len(entries) == 1
+        assert entries[0].vector == [1.0, 2.0, 3.0]
+        assert entries[0].meta == {"foo": "bar"}
+
+    def test_load_entries_with_namespace(self, driver, mock_keys, mock_hgetall):
         entries = driver.load_entries(namespace="some_namespace")
+        mock_keys.assert_called_once_with("some_namespace:*")
+        mock_hgetall.assert_called_once_with("some_namespace:some_vector_id")
         assert len(entries) == 1
         assert entries[0].vector == [1.0, 2.0, 3.0]
         assert entries[0].meta == {"foo": "bar"}
 
-    def test_query(self, driver):
-        assert driver.query("some_vector_id") == []
+    def test_query(self, driver, mock_search):
+        results = driver.query("Some query")
+        mock_search.assert_called_once()
+        assert len(results) == 1
+        assert results[0].namespace == "some_namespace"
+        assert results[0].id == "some_vector_id"
+        assert results[0].score == 0.456198036671
+        assert results[0].meta == {"foo": "bar"}
+        assert results[0].vector is None
+
+    def test_query_with_include_vectors(self, driver, mock_search):
+        results = driver.query("Some query", include_vectors=True)
+        mock_search.assert_called_once()
+        assert len(results) == 1
+        assert results[0].namespace == "some_namespace"
+        assert results[0].id == "some_vector_id"
+        assert results[0].score == 0.456198036671
+        assert results[0].meta == {"foo": "bar"}
+        assert results[0].vector == [1.0, 2.0, 3.0]