def test_Istanbul(self) -> None: """Europe/Istanbul uses an 'hh:mm' offset in the RULES field in 2015. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Europe_Istanbul, viewing_months=14) zone_specifier.init_for_year(2015) matches = zone_specifier.matches self.assertEqual(3, len(matches)) self.assertEqual(DateTuple(2014, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2015, 10, 25, 1 * 3600, 'u'), matches[0].untilDateTime) self.assertEqual('EU', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2015, 10, 25, 1 * 3600, 'u'), matches[1].startDateTime) self.assertEqual(DateTuple(2015, 11, 8, 1 * 3600, 'u'), matches[1].untilDateTime) self.assertEqual(':', matches[1].zoneEra.policyName) self.assertEqual(DateTuple(2015, 11, 8, 1 * 3600, 'u'), matches[2].startDateTime) self.assertEqual(DateTuple(2016, 2, 1, 0, 'w'), matches[2].untilDateTime) self.assertEqual('EU', matches[2].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(4, len(transitions)) self.assertEqual(DateTuple(2014, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2015, 3, 29, 3 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(2 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2015, 3, 29, 4 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2015, 10, 25, 4 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(2 * 3600, transitions[1].offsetSeconds) self.assertEqual(1 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2015, 10, 25, 4 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2015, 11, 8, 4 * 3600, 'w'), transitions[2].untilDateTime) self.assertEqual(2 * 3600, transitions[2].offsetSeconds) self.assertEqual(1 * 3600, transitions[2].deltaSeconds) self.assertEqual(DateTuple(2015, 11, 8, 3 * 3600, 'w'), transitions[3].startDateTime) self.assertEqual(DateTuple(2016, 2, 1, 0, 'w'), transitions[3].untilDateTime) self.assertEqual(2 * 3600, transitions[3].offsetSeconds) self.assertEqual(0 * 3600, transitions[3].deltaSeconds)
def test_Apia(self) -> None: """Pacific/Apia uses a transition time of 24:00 on Dec 29, 2011, going from Thursday 29th December 2011 23:59:59 Hours to Saturday 31st December 2011 00:00:00 Hours. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Pacific_Apia, viewing_months=14) zone_specifier.init_for_year(2011) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2010, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2011, 12, 29, 24 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('WS', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2011, 12, 29, 24 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2012, 2, 1, 0, 'w'), matches[1].untilDateTime) self.assertEqual('WS', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(4, len(transitions)) self.assertEqual(DateTuple(2010, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2011, 4, 2, 4 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(-11 * 3600, transitions[0].offsetSeconds) self.assertEqual(1 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2011, 4, 2, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2011, 9, 24, 3 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(-11 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2011, 9, 24, 4 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2011, 12, 30, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(-11 * 3600, transitions[2].offsetSeconds) self.assertEqual(1 * 3600, transitions[2].deltaSeconds) self.assertEqual(DateTuple(2011, 12, 31, 0 * 3600, 'w'), transitions[3].startDateTime) self.assertEqual(DateTuple(2012, 2, 1, 0, 'w'), transitions[3].untilDateTime) self.assertEqual(13 * 3600, transitions[3].offsetSeconds) self.assertEqual(1 * 3600, transitions[3].deltaSeconds)
def test_Simferopol(self) -> None: """Asia/Simferopol in 2014 uses a bizarre mixture of 'w' when using EU rules (which itself uses 'u' in the UNTIL fields), then uses 's' time to switch to Moscow time. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Europe_Simferopol, viewing_months=14) zone_specifier.init_for_year(2014) matches = zone_specifier.matches self.assertEqual(3, len(matches)) self.assertEqual(DateTuple(2013, 12, 1, 0 * 3600, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2014, 3, 30, 2 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('EU', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2014, 3, 30, 2 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2014, 10, 26, 2 * 3600, 's'), matches[1].untilDateTime) self.assertEqual('-', matches[1].zoneEra.policyName) self.assertEqual(DateTuple(2014, 10, 26, 2 * 3600, 's'), matches[2].startDateTime) self.assertEqual(DateTuple(2015, 2, 1, 0 * 3600, 'w'), matches[2].untilDateTime) self.assertEqual('-', matches[2].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(3, len(transitions)) self.assertEqual(DateTuple(2013, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2014, 3, 30, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(2 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2014, 3, 30, 4 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2014, 10, 26, 2 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(4 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2014, 10, 26, 1 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2015, 2, 1, 0 * 3600, 'w'), transitions[2].untilDateTime) self.assertEqual(3 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds)
def test_Winnipeg(self) -> None: """America/Winnipeg uses 'Rule Winn' until 2006 which has an 's' suffix in the Rule.AT field. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_America_Winnipeg, viewing_months=14) zone_specifier.init_for_year(2005) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2004, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2006, 1, 1, 0 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('Winn', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2006, 1, 1, 0 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2006, 2, 1, 0 * 3600, 'w'), matches[1].untilDateTime) self.assertEqual('Canada', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(4, len(transitions)) self.assertEqual(DateTuple(2004, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2005, 4, 3, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(-6 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2005, 4, 3, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2005, 10, 30, 3 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(-6 * 3600, transitions[1].offsetSeconds) self.assertEqual(1 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2005, 10, 30, 2 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2006, 1, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(-6 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds) self.assertEqual(DateTuple(2006, 1, 1, 0 * 3600, 'w'), transitions[3].startDateTime) self.assertEqual(DateTuple(2006, 2, 1, 0, 'w'), transitions[3].untilDateTime) self.assertEqual(-6 * 3600, transitions[3].offsetSeconds) self.assertEqual(0 * 3600, transitions[3].deltaSeconds)
def test_Moncton(self) -> None: """America/Moncton transitioned DST at 00:01 through 2006. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_America_Moncton, viewing_months=14) zone_specifier.init_for_year(2006) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2005, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2007, 1, 1, 0 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('Moncton', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2007, 1, 1, 0 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2007, 2, 1, 0, 'w'), matches[1].untilDateTime) self.assertEqual('Canada', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(4, len(transitions)) self.assertEqual(DateTuple(2005, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2006, 4, 2, 0 * 3600 + 60, 'w'), transitions[0].untilDateTime) self.assertEqual(-4 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2006, 4, 2, 1 * 3600 + 60, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2006, 10, 29, 0 * 3600 + 60, 'w'), transitions[1].untilDateTime) self.assertEqual(-4 * 3600, transitions[1].offsetSeconds) self.assertEqual(1 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2006, 10, 28, 23 * 3600 + 60, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2007, 1, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(-4 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds) self.assertEqual(DateTuple(2007, 1, 1, 0 * 3600, 'w'), transitions[3].startDateTime) self.assertEqual(DateTuple(2007, 2, 1, 0, 'w'), transitions[3].untilDateTime) self.assertEqual(-4 * 3600, transitions[3].offsetSeconds) self.assertEqual(0 * 3600, transitions[3].deltaSeconds)
def test_Santo_Domingo(self) -> None: """America/Santo_Domingo uses 2 ZoneEra changes in year 2000. """ zone_specifier = ZoneSpecifier( zone_infos.ZONE_INFO_America_Santo_Domingo, viewing_months=14) zone_specifier.init_for_year(2000) matches = zone_specifier.matches self.assertEqual(3, len(matches)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2000, 10, 29, 2 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('-', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2000, 10, 29, 2 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2000, 12, 3, 1 * 3600, 'w'), matches[1].untilDateTime) self.assertEqual('US', matches[1].zoneEra.policyName) self.assertEqual(DateTuple(2000, 12, 3, 1 * 3600, 'w'), matches[2].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), matches[2].untilDateTime) self.assertEqual('-', matches[2].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(3, len(transitions)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2000, 10, 29, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(-4 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2000, 10, 29, 1 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2000, 12, 3, 1 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(-5 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2000, 12, 3, 2 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(-4 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds)
def test_Petersburg(self) -> None: """America/Indianapolis/Petersbug moved from central to eastern time in 1977, then switched back in 2006, then switched back again in 2007. """ zone_specifier = ZoneSpecifier( zone_infos.ZONE_INFO_America_Indiana_Petersburg, viewing_months=14) zone_specifier.init_for_year(2006) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2005, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2006, 4, 2, 2 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('-', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2006, 4, 2, 2 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2007, 2, 1, 0, 'w'), matches[1].untilDateTime) self.assertEqual('US', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(3, len(transitions)) self.assertEqual(DateTuple(2005, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2006, 4, 2, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(-5 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2006, 4, 2, 2 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2006, 10, 29, 2 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(-6 * 3600, transitions[1].offsetSeconds) self.assertEqual(1 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2006, 10, 29, 1 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2007, 2, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(-6 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds)
def test_Macquarie(self) -> None: """Antarctica/Macquarie changes ZoneEra in 2011 using a 'w' time, but the ZoneRule transitions use an 's' time, which happens to coincide with the change in ZoneEra. The code must treat those 2 transition times as the same point in time. """ zone_specifier = ZoneSpecifier( zone_infos.ZONE_INFO_Antarctica_Macquarie, viewing_months=14) zone_specifier.init_for_year(2010) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2009, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2010, 4, 4, 3 * 3600, 'w'), matches[0].untilDateTime) self.assertEqual('AT', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2010, 4, 4, 3 * 3600, 'w'), matches[1].startDateTime) self.assertEqual(DateTuple(2011, 2, 1, 0, 'w'), matches[1].untilDateTime) self.assertEqual('-', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(2, len(transitions)) self.assertEqual(DateTuple(2009, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2010, 4, 4, 3 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(10 * 3600, transitions[0].offsetSeconds) self.assertEqual(1 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2010, 4, 4, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2011, 2, 1, 0 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(11 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds)
def test_Dublin(self) -> None: """Europe/Dublin uses negative DST during Winter. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Europe_Dublin, viewing_months=14) zone_specifier.init_for_year(2000) matches = zone_specifier.matches self.assertEqual(1, len(matches)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), matches[0].untilDateTime) self.assertEqual('Eire', matches[0].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(3, len(transitions)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2000, 3, 26, 1 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(1 * 3600, transitions[0].offsetSeconds) self.assertEqual(-1 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2000, 3, 26, 2 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2000, 10, 29, 2 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(1 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2000, 10, 29, 1 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(1 * 3600, transitions[2].offsetSeconds) self.assertEqual(-1 * 3600, transitions[2].deltaSeconds)
def test_London(self) -> None: """Europe/London uses a EU which has a 'u' in the AT field. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Europe_London, viewing_months=14) zone_specifier.init_for_year(2000) matches = zone_specifier.matches self.assertEqual(1, len(matches)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), matches[0].untilDateTime) self.assertEqual('EU', matches[0].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(3, len(transitions)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2000, 3, 26, 1 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(0 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2000, 3, 26, 2 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2000, 10, 29, 2 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(0 * 3600, transitions[1].offsetSeconds) self.assertEqual(1 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2000, 10, 29, 1 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(0 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds)
def test_Los_Angeles(self) -> None: """America/Los_Angela uses a simple US rule. """ zone_specifier = ZoneSpecifier( zone_infos.ZONE_INFO_America_Los_Angeles, viewing_months=14) zone_specifier.init_for_year(2000) matches = zone_specifier.matches self.assertEqual(1, len(matches)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), matches[0].untilDateTime) self.assertEqual('US', matches[0].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(3, len(transitions)) self.assertEqual(DateTuple(1999, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2000, 4, 2, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(-8 * 3600, transitions[0].offsetSeconds) self.assertEqual(0, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2000, 4, 2, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2000, 10, 29, 2 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(-8 * 3600, transitions[1].offsetSeconds) self.assertEqual(1 * 3600, transitions[1].deltaSeconds) self.assertEqual(DateTuple(2000, 10, 29, 1 * 3600, 'w'), transitions[2].startDateTime) self.assertEqual(DateTuple(2001, 2, 1, 0, 'w'), transitions[2].untilDateTime) self.assertEqual(-8 * 3600, transitions[2].offsetSeconds) self.assertEqual(0 * 3600, transitions[2].deltaSeconds)
def test_Kamchatka(self) -> None: """Asia/Kamchatka uses 's' in the Zone UNTIL and Rule AT fields. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Asia_Kamchatka, viewing_months=14) zone_specifier.init_for_year(2011) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2010, 12, 1, 0 * 3600, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2011, 3, 27, 2 * 3600, 's'), matches[0].untilDateTime) self.assertEqual('Russia', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2011, 3, 27, 2 * 3600, 's'), matches[1].startDateTime) self.assertEqual(DateTuple(2012, 2, 1, 0 * 3600, 'w'), matches[1].untilDateTime) self.assertEqual('-', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(2, len(transitions)) self.assertEqual(DateTuple(2010, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2011, 3, 27, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(11 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2011, 3, 27, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2012, 2, 1, 0 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(12 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds)
def test_Famagusta(self) -> None: """Asia/Famagusta uses 'u' in the Zone UNTIL field. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Asia_Famagusta, viewing_months=14) zone_specifier.init_for_year(2017) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2016, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2017, 10, 29, 1 * 3600, 'u'), matches[0].untilDateTime) self.assertEqual('-', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2017, 10, 29, 1 * 3600, 'u'), matches[1].startDateTime) self.assertEqual(DateTuple(2018, 2, 1, 0, 'w'), matches[1].untilDateTime) self.assertEqual('EUAsia', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(2, len(transitions)) self.assertEqual(DateTuple(2016, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2017, 10, 29, 4 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(3 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2017, 10, 29, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2018, 2, 1, 0 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(2 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds)
def test_Moscow(self) -> None: """Europe/Moscow uses 's' in the Zone UNTIL field. """ zone_specifier = ZoneSpecifier(zone_infos.ZONE_INFO_Europe_Moscow, viewing_months=14) zone_specifier.init_for_year(2011) matches = zone_specifier.matches self.assertEqual(2, len(matches)) self.assertEqual(DateTuple(2010, 12, 1, 0, 'w'), matches[0].startDateTime) self.assertEqual(DateTuple(2011, 3, 27, 2 * 3600, 's'), matches[0].untilDateTime) self.assertEqual('Russia', matches[0].zoneEra.policyName) self.assertEqual(DateTuple(2011, 3, 27, 2 * 3600, 's'), matches[1].startDateTime) self.assertEqual(DateTuple(2012, 2, 1, 0, 'w'), matches[1].untilDateTime) self.assertEqual('-', matches[1].zoneEra.policyName) transitions = zone_specifier.transitions self.assertEqual(2, len(transitions)) self.assertEqual(DateTuple(2010, 12, 1, 0, 'w'), transitions[0].startDateTime) self.assertEqual(DateTuple(2011, 3, 27, 2 * 3600, 'w'), transitions[0].untilDateTime) self.assertEqual(3 * 3600, transitions[0].offsetSeconds) self.assertEqual(0 * 3600, transitions[0].deltaSeconds) self.assertEqual(DateTuple(2011, 3, 27, 3 * 3600, 'w'), transitions[1].startDateTime) self.assertEqual(DateTuple(2012, 2, 1, 0 * 3600, 'w'), transitions[1].untilDateTime) self.assertEqual(4 * 3600, transitions[1].offsetSeconds) self.assertEqual(0 * 3600, transitions[1].deltaSeconds)
def main() -> None: # Configure command line flags. parser = argparse.ArgumentParser(description='Zone Agent.') parser.add_argument( '--viewing_months', help='Number of months to use for calculations (12, 13, 14, 36)', type=int, default=14) parser.add_argument( '--transition', help='Print the transition instead of timezone info', action='store_true') parser.add_argument( '--debug', help='Print debugging info', action='store_true') parser.add_argument( '--in_place_transitions', help='Use in-place Transition array to determine Active Transitions', action="store_true") parser.add_argument( '--optimize_candidates', help='Optimize the candidate transitions', action='store_true') parser.add_argument('--zone', help='Name of time zone', required=True) parser.add_argument('--year', help='Year of interest', type=int) parser.add_argument('--date', help='DateTime of interest') args = parser.parse_args() # Configure logging logging.basicConfig(level=logging.INFO) # Find the zone. zone_info = cast(ZoneInfo, zone_infos.ZONE_INFO_MAP.get(args.zone)) if not zone_info: logging.error("Zone '%s' not found", args.zone) sys.exit(1) # Create the ZoneSpecifier for zone zone_specifier = ZoneSpecifier( zone_info_data=zone_info, viewing_months=args.viewing_months, debug=args.debug, in_place_transitions=args.in_place_transitions, optimize_candidates=args.optimize_candidates) if args.year: zone_specifier.init_for_year(args.year) if args.debug: logging.info('==== Final matches and transitions') zone_specifier.print_matches_and_transitions() elif args.date: dt: datetime = datetime.strptime(args.date, "%Y-%m-%dT%H:%M") if args.transition: transition = zone_specifier.get_transition_for_datetime(dt) if transition: logging.info(transition) else: logging.error('Transition not found') else: offset_info = zone_specifier.get_timezone_info_for_datetime(dt) if not offset_info: logging.info('Invalid time') else: logging.info( '%s (%s)', to_utc_string( offset_info.utc_offset, offset_info.dst_offset, ), offset_info.abbrev, ) else: print("One of --year or --date must be provided") sys.exit(1)
def _create_transition_test_items( self, zone_name: str, tz: tzinfo, zone_specifier: ZoneSpecifier) -> List[TestItem]: """Create a TestItem for the tz for each zone, for each year from start_year to until_year, exclusive. The following test samples are created: * One test point for each month, on the first of the month. * One test point for Dec 31, 23:00 for each year. * A test point at the transition from DST to Standard, or vise versa. * A test point one second before the transition. Each TestData is annotated as: * 'A': pre-transition * 'B': post-transition * 'S': a monthly test sample * 'Y': end of year test sample For [2000, 2038], this generates about 100,000 data points. """ items_map: Dict[int, TestItem] = {} for year in range(self.start_year, self.until_year): # Skip start_year when viewing months is 36, because it needs data # for (start_year - 3), but ZoneSpecifier won't generate data for # years that old. if self.viewing_months == 36 and year == self.start_year: continue # Add samples just before and just after the DST transition. zone_specifier.init_for_year(year) for transition in zone_specifier.transitions: # Some Transitions from ZoneSpecifier are in previous or post # years (e.g. viewing_months = [14, 36]), so skip those. start = transition.startDateTime transition_year = start.y if transition_year != year: continue # If viewing_months== (13 or 36), don't look at Transitions at # the beginning of the year since those have been already added. if self.viewing_months in [13, 36]: if start.M == 1 and start.d == 1 and start.ss == 0: continue epoch_seconds = transition.startEpochSecond # Add a test data just before the transition test_item = self._create_test_item_from_epoch_seconds( tz, epoch_seconds - 1, 'A') self._add_test_item(items_map, test_item) # Add a test data at the transition itself (which will # normally be shifted forward or backwards). test_item = self._create_test_item_from_epoch_seconds( tz, epoch_seconds, 'B') self._add_test_item(items_map, test_item) # Add one sample test point on the first of each month for month in range(1, 13): tt = DateTuple(y=year, M=month, d=1, ss=0, f='w') test_item = self._create_test_item_from_datetime(tz, tt, type='S') self._add_test_item(items_map, test_item) # Add a sample test point at the end of the year. tt = DateTuple(y=year, M=12, d=31, ss=23 * 3600, f='w') test_item = self._create_test_item_from_datetime(tz, tt, type='Y') self._add_test_item(items_map, test_item) # Return the TestItems ordered by epoch return [items_map[x] for x in sorted(items_map)]