Add user login and replace pipenv with Nix

tests/requests_test.py

@@ -9,15 +9,27 @@ def test_registration(client):
     user = {
         "full_name": "Bilal Balaperdida",
         "email": "oyvey@hotmail.com",
-        "password": generate_password_hash(password="lifeisabitch", method="md5"),
+        "password": "lifeisabitch",
         "gender": 3,
         "mobile": "+212655778899",
         "city_id": 12,
         "user_type": 1,
         "lang_type": 1,
-        "device_id": token_hex(8),
+        "device_id": token_hex(16),
         "device_type": 1,
         "badge": 0,
     }
     response = client.post("/register", json=user)
     assert response.status == "200 OK"
+
+
+def test_login(client):
+    user = {
+        "email": "12@gmail.com",
+        "password": "odyfo2020",
+        "device_id": "fEll6hxazGQ:APA91bFpsB44ZHgjUItYOKTTmUxxkJsWiuaeojdxiTLVbz-AwN90XwLvpA6nRQoLrUYaF-HoHTz4Vc5S0VlqemerJ6MjG4zqwfNYB75whQVQI1M29yhMc3oFdl1me2zP_RY2dXbfx7UW",
+        "lang_type": 2,
+        "user_type": 1,
+    }
+    response = client.post("/login", json=user)
+    assert response.status == "200 OK"