diff --git a/python/main.py b/python/main.py
index 7347d76..a8f1f4e 100644
--- a/python/main.py
+++ b/python/main.py
@@ -22,11 +22,13 @@
 import numpy as np
 import pandas as pd
 import pydicom
+import pytest
 import torch
-from fastapi import Body, FastAPI, Request, UploadFile
+from fastapi import Body, FastAPI, Request, UploadFile, status
 from fastapi.responses import HTMLResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
+from fastapi.testclient import TestClient
 from PIL import Image
 from pydantic import BaseModel
 from pydicom.errors import InvalidDicomError
@@ -159,6 +161,22 @@ def dcm2dictmetadata(ds: pydicom.dataset.Dataset) -> dict[str, dict[str, str]]:
 templates = Jinja2Templates(directory="templates")
 app.mount(path="/static", app=StaticFiles(directory="static"), name="static")
 
+client = TestClient(app)
+
+
+def app_url() -> str:
+    return "http://0.0.0.0:8000"
+
+
+def test_upload_files() -> None:
+    with Path("./prm/sample.dcm").open("rb") as file:
+        files = {"files": ("./prm/sample.dcm", file, "application/dicom")}
+        response = client.post(app_url() + "/upload_files", files=files)
+        if response.status_code != status.HTTP_200_OK:
+            raise AssertionError
+        response.json()
+        UploadFilesResponse.model_validate(response.json())
+
 
 @app.get("/", response_class=HTMLResponse)
 async def get_root(request: Request) -> HTMLResponse:
@@ -1118,14 +1136,14 @@ def ndarray_size(arr: NDArray[Any]) -> int:
 
 
 if __name__ == "__main__":
+    tmp_directories = [
+        Path("tmp/session-data/raw"),
+        Path("tmp/session-data/clean"),
+        Path("tmp/session-data/embed"),
+    ]
+    for directory in tmp_directories:
+        directory.mkdir(parents=True, exist_ok=True)
     if os.getenv("STAGING"):
-        tmp_directories = [
-            Path("tmp/session-data/raw"),
-            Path("tmp/session-data/clean"),
-            Path("tmp/session-data/embed"),
-        ]
-        for directory in tmp_directories:
-            directory.mkdir(parents=True, exist_ok=True)
         if not Path("tmp/fullchain.pem").exists():
             subprocess.run(
                 [  # noqa: S603
@@ -1149,3 +1167,7 @@ def ndarray_size(arr: NDArray[Any]) -> int:
             ssl_certfile="tmp/fullchain.pem",
             ssl_keyfile="tmp/privkey.pem",
         )
+    else:
+        results = pytest.main(["-rA", "-o", "cache_dir=tmp", __file__])
+        if results.value != 0:  # type: ignore[attr-defined]
+            sys.exit(results)
diff --git a/python/prm/sample.dcm b/python/prm/sample.dcm
new file mode 100755
index 0000000..2d3aca2
Binary files /dev/null and b/python/prm/sample.dcm differ
diff --git a/python/pyproject.toml b/python/pyproject.toml
index d08278e..e52338d 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -5,6 +5,7 @@ dependencies = [
   "pydicom==2.4.4",
   "pylibjpeg-libjpeg==2.0.2",
   "pylibjpeg==2.0.0",
+  "pytest==8.0.2",
   "python-multipart==0.0.9",
   "segment-anything@git+https://github.com/facebookresearch/segment-anything.git@6fdee8f2727f4506cfbbe553e23b895e27956588",
   "tensorflow==2.15.0.post1",