updated and added tests

tests/test_image_upload.py

@@ -1,6 +1,6 @@
 from pathlib import Path
 from dotenv import load_dotenv
-from pymongo import MongoClient
+from pymongo.errors import DuplicateKeyError
 import os
 
 from src.database import VisualCommunication, connect
@@ -15,12 +15,19 @@ if __name__ == "__main__":
     vis_com_list = [VisualCommunication.from_file(path) for path in img_path_list]
     for vis_com in vis_com_list:
         print(repr(vis_com))
-    # upload images to database
-    env_path = test_dir.parent / "mongodb.env"
+    # prepare env vars
+    env_path = test_dir.parent / "local.env"
     assert env_path.exists()
     load_dotenv(env_path)
+    os.environ["MONGO_HOST"] = "localhost"
+    # connect to database
     collection, db, client = connect()
     print(client.server_info())
+    # upload images
     for vis_com in vis_com_list:
-        result = collection.insert_one(vis_com.model_dump_json())
-        print(f"inserted document: {result}")
+        try:
+            result = collection.insert_one(vis_com.model_dump())
+        except DuplicateKeyError as exc:
+            print("ignoring:\n", exc)
+        else:
+            print(f"inserted document: {result}")