Added email functionality

backend/tests/test_email_service.py

@@ -0,0 +1,28 @@
+## Copyright © 2026 Olaf Kolkman
+## SPDX-License-Identifier: GPL-3.0-or-later
+
+from unittest.mock import patch
+
+from backend.app.services.email_service import send_verification_email
+
+
+def test_send_verification_email_uses_smtp_settings(monkeypatch):
+    from backend.app.core.config import settings
+
+    monkeypatch.setattr(settings, 'smtp_host', 'smtp.example.com')
+    monkeypatch.setattr(settings, 'smtp_port', 587)
+    monkeypatch.setattr(settings, 'smtp_from', 'LinkLog <no-reply@example.com>')
+    monkeypatch.setattr(settings, 'smtp_username', 'mailer')
+    monkeypatch.setattr(settings, 'smtp_password', 'secret')
+    monkeypatch.setattr(settings, 'smtp_use_tls', True)
+
+    with patch('backend.app.services.email_service.SMTP') as smtp_class:
+        smtp = smtp_class.return_value.__enter__.return_value
+        send_verification_email('user@example.com', 'user', 'https://linklog.example/verify')
+
+    smtp_class.assert_called_once_with('smtp.example.com', 587, timeout=10)
+    smtp.starttls.assert_called_once_with()
+    smtp.login.assert_called_once_with('mailer', 'secret')
+    message = smtp.send_message.call_args.args[0]
+    assert message['To'] == 'user@example.com'
+    assert 'https://linklog.example/verify' in message.get_content()