add test for sign_up endpoint

backend/api/auth/test_auth.py

@@ -0,0 +1,20 @@
+import json
+
+import pytest
+from fastapi.testclient import TestClient
+
+from main import app
+
+client = TestClient(app)
+
+
+@pytest.mark.parametrize('user,status',
+                         [
+                             ({'name': 'new_user', 'password': 'test', 'lifetime': 1}, 200),
+                             ({'name': 'existing_user', 'password': 'test', 'lifetime': 2}, 401),
+                             ({'name': 'bad_user', 'password': 'test'}, 422),
+                         ])
+def test_sign_up(fill_db, user: dict, status: int):
+    req = client.post('/api/sign-up', content=json.dumps(user))
+    assert req.status_code == status
+    assert 1 == 1