diff --git a/tests/unit/test_prepare_discord_query_engine.py b/tests/unit/test_prepare_discord_query_engine.py
new file mode 100644
index 0000000..7ac1182
--- /dev/null
+++ b/tests/unit/test_prepare_discord_query_engine.py
@@ -0,0 +1,50 @@
+import unittest
+import os
+from unittest.mock import patch, Mock
+from utils.query_engine.discord_query_engine import prepare_discord_engine
+from llama_index.core import BaseQueryEngine
+from llama_index.vector_stores import ExactMatchFilter, FilterCondition, MetadataFilters
+
+
+class TestPrepareDiscordEngine(unittest.TestCase):
+    def setUp(self):
+        # Set up environment variables for testing
+        os.environ["CHUNK_SIZE"] = "128"
+        os.environ["EMBEDDING_DIM"] = "256"
+        os.environ["K1_RETRIEVER_SEARCH"] = "20"
+        os.environ["K2_RETRIEVER_SEARCH"] = "5"
+        os.environ["D_RETRIEVER_SEARCH"] = "3"
+
+    def test_prepare_discord_engine(self):
+        community_id = "123456"
+        thread_names = ["thread1", "thread2"]
+        channel_names = ["channel1", "channel2"]
+        days = ["2022-01-01", "2022-01-02"]
+
+        # Call the function
+        query_engine = prepare_discord_engine(
+            community_id,
+            thread_names,
+            channel_names,
+            days,
+            testing=True,
+        )
+
+        # Assertions
+        self.assertIsInstance(query_engine, BaseQueryEngine)
+
+        expected_filter = MetadataFilters(
+            filters=[
+                ExactMatchFilter(key="thread", value="thread1"),
+                ExactMatchFilter(key="thread", value="thread2"),
+                ExactMatchFilter(key="channel", value="channel1"),
+                ExactMatchFilter(key="channel", value="channel2"),
+                ExactMatchFilter(key="date", value="2022-01-01"),
+                ExactMatchFilter(key="date", value="2022-01-02"),
+            ],
+            condition=FilterCondition.OR,
+        )
+
+        self.assertEqual(query_engine.retriever._filters, expected_filter)
+        # this is the secondary search, so K2 should be for this
+        self.assertEqual(query_engine.retriever._similarity_top_k, 5)
diff --git a/utils/query_engine/__init__.py b/utils/query_engine/__init__.py
index 115169c..fad06f9 100644
--- a/utils/query_engine/__init__.py
+++ b/utils/query_engine/__init__.py
@@ -1,2 +1,2 @@
 # flake8: noqa
-from discord_query_engine import prepare_discord_engine_auto_filter
+from .discord_query_engine import prepare_discord_engine_auto_filter
diff --git a/utils/query_engine/discord_query_engine.py b/utils/query_engine/discord_query_engine.py
index 56496cb..4b121df 100644
--- a/utils/query_engine/discord_query_engine.py
+++ b/utils/query_engine/discord_query_engine.py
@@ -12,6 +12,7 @@ def prepare_discord_engine(
     channel_names: list[str],
     days: list[str],
     similarity_top_k: int | None = None,
+    **kwarg,
 ) -> BaseQueryEngine:
     """
     query the discord database using filters given
@@ -32,6 +33,9 @@ def prepare_discord_engine(
     similarity_top_k : int | None
         the k similar results to use when querying the data
         if `None` will load from `.env` file
+    ** kwargs :
+        testing : bool
+            whether to setup the PGVectorAccess in testing mode
 
     Returns
     ---------
@@ -41,7 +45,9 @@ def prepare_discord_engine(
     table_name = "discord"
     dbname = f"community_{community_id}"
 
-    pg_vector = PGVectorAccess(table_name=table_name, dbname=dbname)
+    testing = kwarg.get("testing", False)
+
+    pg_vector = PGVectorAccess(table_name=table_name, dbname=dbname, testing=testing)
     index = pg_vector.load_index()
     if similarity_top_k is None:
         _, similarity_top_k, _ = load_hyperparams()