added logging

tests/test_app.py

@@ -1,6 +1,7 @@
 import tempfile
+from pathlib import Path
 
-from flask_fatima import create_app
+from flask_fatima import create_app, log_database_summary
 
 URL_PREFIX = "/fatima"
 
@@ -30,6 +31,19 @@ def test_calendar_requires_login():
     assert response.headers["Location"].endswith(url("/login"))
 
 
+def test_database_summary_is_appended_to_log(capsys):
+    test_client = client()
+    with tempfile.TemporaryDirectory() as directory:
+        log_path = Path(directory) / "fatima.log"
+        log_database_summary(test_client.application.config["DATABASE"], log_path)
+
+        logged = log_path.read_text(encoding="utf-8")
+        assert "Fatima database:" in logged
+        assert f"path={test_client.application.config['DATABASE']}" in logged
+        assert "amounts=0 | statuses=0 | recorded_dates=0" in logged
+        assert "Fatima database:" in capsys.readouterr().out
+
+
 def test_prefix_applies_to_generated_links_and_unprefixed_routes_are_rejected():
     test_client = client()
     test_client.post(url("/login"), data={"username": "user", "password": "pass"})