add initial test cases for status page functionality

tests/test_statuspage.py

@@ -0,0 +1,23 @@
+from datetime import datetime
+
+from main import is_status_page, parse_status_page, normalize_status_text
+
+SAMPLE_HTML = "sample_html/status_in_produktion.html"
+
+
+def test_is_status_page_positive():
+    with open(SAMPLE_HTML, encoding="utf-8") as fh:
+        html = fh.read()
+
+    assert is_status_page(html) is True
+
+
+def test_parse_status_page_positive():
+    with open(SAMPLE_HTML, encoding="utf-8") as fh:
+        html = fh.read()
+
+    status_raw, timestamp = parse_status_page(html)
+    status = normalize_status_text(status_raw)
+
+    assert status == "noch in Produktion"
+    assert timestamp == datetime(2026, 2, 2, 16, 0, 0)