add test

Author: alinelena

data_tutorials/data.py

@@ -10,7 +10,8 @@
 default_url = "https://raw.githubusercontent.com/ddmms/data-tutorials/main/data/"
 def download_file(url: str, filename:str, dest: Path) -> None:
     save_file = dest/filename
-    path, headers = urlretrieve(url, dest)
+    print(f"try to download {filename} from {url} and save it in {save_file}")
+    path, headers = urlretrieve(url+filename, save_file)
     if path.exists():
         print(f"saved in {save_file}")
     else:

pyproject.toml

@@ -6,7 +6,9 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "data-tutorials"
 dynamic = ["version"]
-
+dependencies = [
+  "pytest",
+]
 requires-python = ">=3.9"
 authors = [
   {name = "Alin M Elena", email = "alin@elena.re"}
@@ -35,3 +37,8 @@ packages = ["data_tutorials"]
 
 [tool.setuptools_scm]
 
+
+[tool.pytest.ini_options]
+pythonpath = [
+  "."
+]

tests/test_file.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+# Author; alin m elena, alin@elena.re
+# Contribs;
+# Date: 26-07-2024
+# ©alin m elena, GPL v3 https://www.gnu.org/licenses/gpl-3.0.en.html
+import pytest
+from data_tutorials.data import get_data
+import hashlib
+from pathlib import Path
+
+def test_download_file():
+   get_data(filename="LiFePO4_supercell.cif",folder="data-test")
+   with open(Path("data-test")/"LiFePO4_supercell.cif", "rb") as f:
+      h  = hashlib.file_digest(f, "sha256")
+   assert h.hexdigest() == "ea9a538dde5bb84b92e9478dbcc078bb560b28a4f5e4b0469d416bff36be272e"