add test

tests/test_vector_store.py

@@ -0,0 +1,16 @@
+import pytest
+from flask import Flask
+from application.error import bad_request, response_error
+from application.vectorstore.faiss import FaissStore
+from application.core.settings import settings
+
+def test_init_local_faiss_store_huggingface():
+    """
+    Test that asserts that trying to initialize a FaissStore with
+    the huggingface sentence transformer below together with the
+    index.faiss file in the application/ folder results in a
+    dimension mismatch error.
+    """
+    settings.EMBEDDINGS_NAME = "huggingface_sentence-transformers/all-mpnet-base-v2"
+    with pytest.raises(ValueError):
+        FaissStore("application/", "", None)