From 25f8dc595cee6d9ec48359a03f5674e749c02882 Mon Sep 17 00:00:00 2001
From: konstantin <konstantin.klein@hochfrequenz.de>
Date: Tue, 16 Jul 2024 09:26:27 +0200
Subject: [PATCH] feat: Add "Sonderfeiertag" `2025-04-04`

https://www.bdew.de/media/documents/Feiertagskalender_GPKE-GeLiGas_2025_Version_1.0.pdf
---
 src/bdew_datetimes/calendar.py | 6 +++++-
 tests/test_calendar.py         | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/bdew_datetimes/calendar.py b/src/bdew_datetimes/calendar.py
index 7792852..500aa0d 100644
--- a/src/bdew_datetimes/calendar.py
+++ b/src/bdew_datetimes/calendar.py
@@ -6,7 +6,7 @@
 from datetime import date
 
 from holidays import HolidayBase, HolidaySum
-from holidays.constants import DEC
+from holidays.constants import APR, DEC
 from holidays.countries.germany import Germany
 
 
@@ -27,6 +27,10 @@ def __init__(self, observed: bool = False, **kwargs):
     def _populate(self, year):
         self[date(year, DEC, 24)] = "Heiligabend"
         self[date(year, DEC, 31)] = "Silvester"
+        if year == 2025:
+            self[date(2025, APR, 4)] = (
+                "Sonderfeiertag"  # Anlässlich der Einführung des 24h Lieferantenwechsels
+            )
 
 
 def create_bdew_calendar() -> HolidaySum:
diff --git a/tests/test_calendar.py b/tests/test_calendar.py
index 92951e4..2d97599 100644
--- a/tests/test_calendar.py
+++ b/tests/test_calendar.py
@@ -30,6 +30,7 @@ def test_bdew_holidays(expected_holiday: date):
         pytest.param(date(2024, 8, 15), True, id="Mariä Himmelfahrt (BY, SL)"),
         pytest.param(date(2024, 11, 20), True, id="Buß- und Bettag (SN)"),
         pytest.param(date(2024, 12, 31), True, id="Silvester 2024 (BDEW)"),
+        pytest.param(date(2025, 4, 4), True, id="Sonderfeiertag 2025 (BDEW)"),
     ],
 )
 def test_create_bdew_calendar(test_date: date, expected_is_in_calendar: bool):