Create tests/test_app.py

tests/test_app.py

@@ -0,0 +1,15 @@
+import pytest
+     import sqlite3
+     from app import init_db, load_users_from_db
+     
+     def test_init_db():
+         init_db()
+         conn = sqlite3.connect('private/users.db')
+         cursor = conn.cursor()
+         cursor.execute("SELECT username FROM users WHERE username='admin'")
+         assert cursor.fetchone() is not None
+         conn.close()
+     
+     def test_load_users():
+         config = load_users_from_db()
+         assert 'admin' in config['credentials']['usernames']