diff --git a/tests/__init__.py b/pyengine/engine/faiss_wrapper/__init__.py
similarity index 100%
rename from tests/__init__.py
rename to pyengine/engine/faiss_wrapper/__init__.py
diff --git a/pyengine/engine/faiss_wrapper/faiss_wrapper.py b/pyengine/engine/faiss_wrapper/faiss_wrapper.py
new file mode 100644
index 0000000000..6a60e53d35
--- /dev/null
+++ b/pyengine/engine/faiss_wrapper/faiss_wrapper.py
@@ -0,0 +1,28 @@
+import faiss
+import numpy as np
+
+class FaissSearch():
+    def __init__(self, index, id_to_vector_map):
+        pass
+
+    # def search_by_ids(self, id_list, k):
+    #     pass
+
+    def search_by_vectors(self, vector_list, k):
+        # return both id and vector
+        pass
+
+    def __search__(self, id_list, vector_list, k):
+        pass
+
+
+class FaissIndex():
+    def build_index(self, vector_list, dimension):
+        # return index
+        pass
+
+    # def build_index_cpu(self):
+    #     pass
+
+    # def build_index_gpu(self):
+    #     pass
\ No newline at end of file
diff --git a/pyengine/tests/__init__.py b/pyengine/tests/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/tests/basic_test.py b/pyengine/tests/basic_test.py
similarity index 100%
rename from tests/basic_test.py
rename to pyengine/tests/basic_test.py