File: test_germany.py

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#  holidays
#  --------
#  A fast, efficient Python library for generating country, province and state
#  specific sets of holidays on the fly. It aims to make determining whether a
#  specific date is a holiday as fast and flexible as possible.
#
#  Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
#           dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
#           ryanss <ryanssdev@icloud.com> (c) 2014-2017
#  Website: https://github.com/vacanza/holidays
#  License: MIT (see LICENSE file)

import warnings
from unittest import TestCase

from holidays.constants import CATHOLIC
from holidays.countries.germany import Germany
from tests.common import CommonCountryTests


class TestGermany(CommonCountryTests, TestCase):
    @classmethod
    def setUpClass(cls):
        super().setUpClass(Germany, with_subdiv_categories=True)

    def setUp(self):
        super().setUp()
        warnings.simplefilter("ignore", category=DeprecationWarning)

    def test_subdiv_deprecation(self):
        self.assertDeprecatedSubdivisions("This subdivision is deprecated and will be removed")

    def test_deprecated(self):
        self.assertEqual(
            sorted(Germany(subdiv="BYP", years=2023).keys()),
            sorted(Germany(subdiv="BY", years=2023).keys()),
        )

    def test_no_holidays(self):
        super().test_no_holidays()

        for subdiv in Germany.subdivisions:
            self.assertNoHolidays(Germany(years=1989, subdiv=subdiv))
        # Bayern, Sachsen, Thüringen.
        for subdiv in ("BY", "SN", "TH"):
            self.assertNoHolidays(Germany(subdiv=subdiv, years=1990, categories=CATHOLIC))

    def test_special_holidays(self):
        # 2017's Reformation Day is tested in test_reformation_day.
        be_dt = (
            "2020-05-08",
            "2025-05-08",
            "2028-06-17",
        )
        for subdiv, holidays in self.subdiv_holidays.items():
            # Berlin.
            if subdiv == "BE":
                self.assertHoliday(holidays, be_dt)
            else:
                self.assertNoHoliday(holidays, be_dt)

    def test_new_years_day(self):
        name = "Neujahr"
        self.assertHolidayName(name, (f"{year}-01-01" for year in range(1991, self.end_year)))
        self.assertNoHolidayName(name, 1990)

    def test_epiphany(self):
        name = "Heilige Drei Könige"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Bayern, Sachsen, Thüringen, Augsburg.
            if subdiv in {"BW", "BY", "ST", "Augsburg"}:
                self.assertHolidayName(
                    name, holidays, (f"{year}-01-06" for year in range(1991, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, 1990)
            else:
                self.assertNoHolidayName(name, holidays)

    def test_international_womens_day(self):
        name = "Internationaler Frauentag"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Berlin - 2019.
            if subdiv == "BE":
                self.assertHolidayName(
                    name, holidays, (f"{year}-03-08" for year in range(2019, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, range(self.start_year, 2019))
            # Mecklenburg-Vorpommern - 2023.
            elif subdiv == "MV":
                self.assertHolidayName(
                    name, holidays, (f"{year}-03-08" for year in range(2023, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, range(self.start_year, 2023))
            else:
                self.assertNoHolidayName(name, holidays)

    def test_good_friday(self):
        name = "Karfreitag"
        dt = (
            "2020-04-10",
            "2021-04-02",
            "2022-04-15",
            "2023-04-07",
            "2024-03-29",
            "2025-04-18",
        )
        for holidays in self.subdiv_holidays.values():
            self.assertHolidayName(name, holidays, dt)
            self.assertHolidayName(name, holidays, range(1991, self.end_year))
            self.assertNoHolidayName(name, holidays, 1990)
        self.assertHolidayName(name, dt)
        self.assertHolidayName(name, range(1991, self.end_year))
        self.assertNoHolidayName(name, 1990)

    def test_easter_sunday(self):
        name = "Ostersonntag"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Brandenburg.
            if subdiv == "BB":
                self.assertHolidayName(
                    name,
                    holidays,
                    "2020-04-12",
                    "2021-04-04",
                    "2022-04-17",
                    "2023-04-09",
                    "2024-03-31",
                    "2025-04-20",
                )
                self.assertHolidayName(name, holidays, range(1991, self.end_year))
                self.assertNoHolidayName(name, holidays, 1990)
            else:
                self.assertNoHolidayName(name, holidays)

    def test_easter_monday(self):
        name = "Ostermontag"
        dt = (
            "2020-04-13",
            "2021-04-05",
            "2022-04-18",
            "2023-04-10",
            "2024-04-01",
            "2025-04-21",
        )
        for holidays in self.subdiv_holidays.values():
            self.assertHolidayName(name, holidays, dt)
            self.assertHolidayName(name, holidays, range(1991, self.end_year))
            self.assertNoHolidayName(name, holidays, 1990)
        self.assertHolidayName(name, dt)
        self.assertHolidayName(name, range(1991, self.end_year))
        self.assertNoHolidayName(name, 1990)

    def test_ascension_day(self):
        name = "Christi Himmelfahrt"
        dt = (
            "2020-05-21",
            "2021-05-13",
            "2022-05-26",
            "2023-05-18",
            "2024-05-09",
            "2025-05-29",
        )
        for holidays in self.subdiv_holidays.values():
            self.assertHolidayName(name, holidays, dt)
            self.assertHolidayName(name, holidays, range(1991, self.end_year))
            self.assertNoHolidayName(name, holidays, 1990)
        self.assertHolidayName(name, dt)
        self.assertHolidayName(name, range(1991, self.end_year))
        self.assertNoHolidayName(name, 1990)

    def test_labor_day(self):
        name = "Erster Mai"
        self.assertHolidayName(name, (f"{year}-05-01" for year in range(1991, self.end_year)))
        self.assertNoHolidayName(name, 1990)

    def test_whit_sunday(self):
        name = "Pfingstsonntag"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Brandenburg.
            if subdiv == "BB":
                self.assertHolidayName(
                    name,
                    holidays,
                    "2020-05-31",
                    "2021-05-23",
                    "2022-06-05",
                    "2023-05-28",
                    "2024-05-19",
                    "2025-06-08",
                )
                self.assertHolidayName(name, holidays, range(1991, self.end_year))
                self.assertNoHolidayName(name, holidays, 1990)
            else:
                self.assertNoHolidayName(name, holidays)

    def test_whit_monday(self):
        name = "Pfingstmontag"
        dt = (
            "2020-06-01",
            "2021-05-24",
            "2022-06-06",
            "2023-05-29",
            "2024-05-20",
            "2025-06-09",
        )
        for holidays in self.subdiv_holidays.values():
            self.assertHolidayName(name, holidays, dt)
            self.assertHolidayName(name, holidays, range(1991, self.end_year))
            self.assertNoHolidayName(name, holidays, 1990)
        self.assertHolidayName(name, dt)
        self.assertHolidayName(name, range(1991, self.end_year))
        self.assertNoHolidayName(name, 1990)

    def test_corpus_christi(self):
        name = "Fronleichnam"
        self.assertNoHolidayName(name)
        dt = (
            "2020-06-11",
            "2021-06-03",
            "2022-06-16",
            "2023-06-08",
            "2024-05-30",
            "2025-06-19",
        )
        for subdiv, holidays in self.subdiv_holidays.items():
            # Baden-Württemberg, Bayern, Hessen, Nordrhein-Westfalen,
            # Rheinland-Pfalz, Saarland, Augsburg.
            if subdiv in {"BW", "BY", "HE", "NW", "RP", "SL", "Augsburg"}:
                self.assertHolidayName(name, holidays, dt)
                self.assertHolidayName(name, holidays, range(1991, self.end_year))
                self.assertNoHolidayName(name, holidays, 1990)
            else:
                self.assertNoHolidayName(name, holidays)

        # Sachsen, Thüringen.
        self.assertSubdivSnCatholicHolidayName(name, dt)
        self.assertSubdivSnCatholicHolidayName(name, range(1991, self.end_year))
        self.assertSubdivThCatholicHolidayName(name, dt)
        self.assertSubdivThCatholicHolidayName(name, range(1991, self.end_year))

    def test_augsburg_peace_festival(self):
        name = "Augsburger Hohes Friedensfest"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Augsburg.
            if subdiv == "Augsburg":
                self.assertHolidayName(
                    name, holidays, (f"{year}-08-08" for year in range(1991, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, 1990)
            else:
                self.assertNoHolidayName(name, holidays)

    def test_assumption_day(self):
        name = "Mariä Himmelfahrt"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Saarland.
            if subdiv == "SL":
                self.assertHolidayName(
                    name, holidays, (f"{year}-08-15" for year in range(1991, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, 1990)
            else:
                self.assertNoHolidayName(name, holidays)

        # Bayern.
        self.assertSubdivByCatholicHolidayName(
            name,
            (f"{year}-08-15" for year in range(1991, self.end_year)),
        )

    def test_world_childrens_day(self):
        name = "Weltkindertag"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Thüringen.
            if subdiv == "TH":
                self.assertHolidayName(
                    name, holidays, (f"{year}-09-20" for year in range(2019, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, range(self.start_year, 2019))
            else:
                self.assertNoHolidayName(name, holidays)

    def test_german_unity_day(self):
        self.assertHolidayName(
            "Tag der Deutschen Einheit", (f"{year}-10-03" for year in self.full_range)
        )

    def test_reformation_day(self):
        name = "Reformationstag"
        for subdiv, holidays in self.subdiv_holidays.items():
            # Brandenburg, Mecklenburg-Vorpommern, Sachsen, Sachsen-Anhalt, Thüringen.
            if subdiv in {"BB", "MV", "SN", "ST", "TH"}:
                self.assertHolidayName(
                    name, holidays, (f"{year}-10-31" for year in self.full_range)
                )
            # Bremen, Hamburg, Niedersachsen, Schleswig-Holstein.
            elif subdiv in {"HB", "HH", "NI", "SH"}:
                # While these subdivisions started their holiday observance in 2018,
                # this is de facto implemented in 2017's nationwide special observance.
                self.assertHolidayName(
                    name, holidays, (f"{year}-10-31" for year in range(2017, self.end_year))
                )
                self.assertNoHolidayName(name, holidays, range(self.start_year, 2017))
            else:
                self.assertHolidayName(name, holidays, "2017-10-31")
                self.assertNoHolidayName(
                    name, holidays, range(1991, 2017), range(2018, self.end_year)
                )
        self.assertHolidayName(name, "2017-10-31")

    def test_all_saints_day(self):
        name = "Allerheiligen"
        self.assertNoHolidayName(name)
        for subdiv, holidays in self.subdiv_holidays.items():
            # Baden-Württemberg, Bayern, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Augsburg.
            if subdiv in {"BW", "BY", "NW", "RP", "SL", "Augsburg"}:
                self.assertHolidayName(
                    name, holidays, (f"{year}-11-01" for year in self.full_range)
                )
            else:
                self.assertNoHolidayName(name, holidays)

    def test_repentance_and_prayer_day(self):
        name = "Buß- und Bettag"
        dt_pre_1995 = (
            "1990-11-21",
            "1991-11-20",
            "1992-11-18",
            "1993-11-17",
            "1994-11-16",
        )
        dt = (
            "2020-11-18",
            "2021-11-17",
            "2022-11-16",
            "2023-11-22",
            "2024-11-20",
            "2025-11-19",
        )
        for subdiv, holidays in self.subdiv_holidays.items():
            # Sachsen.
            if subdiv == "SN":
                self.assertHolidayName(name, holidays, dt, dt_pre_1995)
                self.assertHolidayName(name, holidays, self.full_range)
            else:
                self.assertHolidayName(name, holidays, dt_pre_1995)
                self.assertNoHolidayName(name, holidays, range(1995, self.end_year))
        self.assertHolidayName(name, dt_pre_1995)
        self.assertNoHolidayName(name, range(1995, self.end_year))

    def test_christmas_day(self):
        self.assertHolidayName(
            "Erster Weihnachtstag", (f"{year}-12-25" for year in self.full_range)
        )

    def test_second_day_of_christmas(self):
        self.assertHolidayName(
            "Zweiter Weihnachtstag", (f"{year}-12-26" for year in self.full_range)
        )

    def test_l10n_default(self):
        self.assertLocalizedHolidays(
            ("2022-01-01", "Neujahr"),
            ("2022-01-06", "Heilige Drei Könige"),
            ("2022-03-08", "Internationaler Frauentag"),
            ("2022-04-15", "Karfreitag"),
            ("2022-04-17", "Ostersonntag"),
            ("2022-04-18", "Ostermontag"),
            ("2022-05-01", "Erster Mai"),
            ("2022-05-26", "Christi Himmelfahrt"),
            ("2022-06-05", "Pfingstsonntag"),
            ("2022-06-06", "Pfingstmontag"),
            ("2022-06-16", "Fronleichnam"),
            ("2022-08-08", "Augsburger Hohes Friedensfest"),
            ("2022-08-15", "Mariä Himmelfahrt"),
            ("2022-09-20", "Weltkindertag"),
            ("2022-10-03", "Tag der Deutschen Einheit"),
            ("2022-10-31", "Reformationstag"),
            ("2022-11-01", "Allerheiligen"),
            ("2022-11-16", "Buß- und Bettag"),
            ("2022-12-25", "Erster Weihnachtstag"),
            ("2022-12-26", "Zweiter Weihnachtstag"),
        )

    def test_l10n_en_us(self):
        self.assertLocalizedHolidays(
            "en_US",
            ("2022-01-01", "New Year's Day"),
            ("2022-01-06", "Epiphany"),
            ("2022-03-08", "International Women's Day"),
            ("2022-04-15", "Good Friday"),
            ("2022-04-17", "Easter Sunday"),
            ("2022-04-18", "Easter Monday"),
            ("2022-05-01", "Labor Day"),
            ("2022-05-26", "Ascension Day"),
            ("2022-06-05", "Whit Sunday"),
            ("2022-06-06", "Whit Monday"),
            ("2022-06-16", "Corpus Christi"),
            ("2022-08-08", "Augsburg Peace Festival"),
            ("2022-08-15", "Assumption Day"),
            ("2022-09-20", "World Children's Day"),
            ("2022-10-03", "German Unity Day"),
            ("2022-10-31", "Reformation Day"),
            ("2022-11-01", "All Saints' Day"),
            ("2022-11-16", "Repentance and Prayer Day"),
            ("2022-12-25", "Christmas Day"),
            ("2022-12-26", "Second Day of Christmas"),
        )

    def test_l10n_th(self):
        self.assertLocalizedHolidays(
            "th",
            ("2022-01-01", "วันขึ้นปีใหม่"),
            ("2022-01-06", "วันสมโภชพระคริสต์แสดงองค์"),
            ("2022-03-08", "วันสตรีสากล"),
            ("2022-04-15", "วันศุกร์ประเสริฐ"),
            ("2022-04-17", "วันอาทิตย์อีสเตอร์"),
            ("2022-04-18", "วันจันทร์อีสเตอร์"),
            ("2022-05-01", "วันแรงงาน"),
            ("2022-05-26", "วันสมโภชพระเยซูเจ้าเสด็จขึ้นสวรรค์"),
            ("2022-06-05", "วันสมโภชพระจิตเจ้า"),
            ("2022-06-06", "วันจันทร์หลังวันสมโภชพระจิตเจ้า"),
            ("2022-06-16", "วันสมโภชพระคริสตวรกาย"),
            ("2022-08-08", "วันเทศกาลสันติภาพเอาก์สบวร์ก"),
            ("2022-08-15", "วันสมโภชแม่พระรับเกียรติยกขึ้นสวรรค์"),
            ("2022-09-20", "วันเด็กสากล"),
            ("2022-10-03", "วันรวมชาติเยอรมัน"),
            ("2022-10-31", "วันแห่งการปฏิรูป"),
            ("2022-11-01", "วันสมโภชนักบุญทั้งหลาย"),
            ("2022-11-16", "วันแห่งการอธิษฐานและการกลับใจ"),
            ("2022-12-25", "วันคริสต์มาสวันแรก"),
            ("2022-12-26", "วันคริสต์มาสวันที่สอง"),
        )

    def test_l10n_uk(self):
        self.assertLocalizedHolidays(
            "uk",
            ("2022-01-01", "Новий рік"),
            ("2022-01-06", "Богоявлення"),
            ("2022-03-08", "Міжнародний жіночий день"),
            ("2022-04-15", "Страсна пʼятниця"),
            ("2022-04-17", "Великдень"),
            ("2022-04-18", "Великодній понеділок"),
            ("2022-05-01", "День праці"),
            ("2022-05-26", "Вознесіння Господнє"),
            ("2022-06-05", "Трійця"),
            ("2022-06-06", "День Святого Духа"),
            ("2022-06-16", "Свято Тіла і Крові Христових"),
            ("2022-08-08", "Аугсбурзьке свято миру"),
            ("2022-08-15", "Внебовзяття Пресвятої Діви Марії"),
            ("2022-09-20", "Всесвітній день дітей"),
            ("2022-10-03", "День німецької єдності"),
            ("2022-10-31", "День Реформації"),
            ("2022-11-01", "День усіх святих"),
            ("2022-11-16", "День молитви та покаяння"),
            ("2022-12-25", "Перший день Різдва"),
            ("2022-12-26", "Другий день Різдва"),
        )