add initial test cases for status page functionality

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "python.testing.pytestArgs": [
+        "tests"
+    ],
+    "python.testing.unittestEnabled": false,
+    "python.testing.pytestEnabled": true
+}

pytest.ini

@@ -0,0 +1,5 @@
+[pytest]
+minversion = 7.0
+addopts = -ra
+testpaths = tests
+python_files = test_*.py

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)