gregorian_test.py

import sys
import unittest
from os.path import abspath, dirname

rootDir = dirname(dirname(abspath(__file__)))
sys.path.insert(0, rootDir)

from pyglossary import gregorian


def getMonthLen(y: int, m: int) -> int:
	if m == 12:
		return gregorian.to_jd(y + 1, 1, 1) - gregorian.to_jd(y, 12, 1)
	return gregorian.to_jd(y, m + 1, 1) - gregorian.to_jd(y, m, 1)


class Testgregorian(unittest.TestCase):
	def notest_isLeap_negativeYear(self):
		print()
		isLeapFunc = gregorian.isLeap
		for year in range(10, -101, -1):
			isLeap = isLeapFunc(year)
			# print(f"{str(year).center(10)}   {'L' if isLeap1 else ' '}")
			print(f'{year}: "{"L" if isLeap else " "}",')

	# year -> f"{'L' if isLeap33 else ' '}{'L' if isLeap2820 else ' '}"
	isLeapDict = {
		-50: " ",
		-49: " ",
		-48: "L",
		-47: " ",
		-46: " ",
		-45: " ",
		-44: "L",
		-43: " ",
		-42: " ",
		-41: " ",
		-40: "L",
		-39: " ",
		-38: " ",
		-37: " ",
		-36: "L",
		-35: " ",
		-34: " ",
		-33: " ",
		-32: "L",
		-31: " ",
		-30: " ",
		-29: " ",
		-28: "L",
		-27: " ",
		-26: " ",
		-25: " ",
		-24: "L",
		-23: " ",
		-22: " ",
		-21: " ",
		-20: "L",
		-19: " ",
		-18: " ",
		-17: " ",
		-16: "L",
		-15: " ",
		-14: " ",
		-13: " ",
		-12: "L",
		-11: " ",
		-10: " ",
		-9: " ",
		-8: "L",
		-7: " ",
		-6: " ",
		-5: " ",
		-4: "L",
		-3: " ",
		-2: " ",
		-1: " ",
		0: "L",
		1: " ",
		2: " ",
		3: " ",
		4: "L",
		5: " ",
		6: " ",
		7: " ",
		8: "L",
		9: " ",
		10: " ",
		11: " ",
		12: "L",
		13: " ",
		14: " ",
		15: " ",
		16: "L",
		17: " ",
		18: " ",
		19: " ",
		20: "L",
		21: " ",
		22: " ",
		23: " ",
		24: "L",
		25: " ",
		26: " ",
		27: " ",
		28: "L",
		29: " ",
		30: " ",
		31: " ",
		32: "L",
		33: " ",
		34: " ",
		35: " ",
		36: "L",
		37: " ",
		38: " ",
		39: " ",
		40: "L",
		41: " ",
		42: " ",
		43: " ",
		44: "L",
		45: " ",
		46: " ",
		47: " ",
		48: "L",
		49: " ",
		50: " ",
		1990: " ",
		1991: " ",
		1992: "L",
		1993: " ",
		1994: " ",
		1995: " ",
		1996: "L",
		1997: " ",
		1998: " ",
		1999: " ",
		2000: "L",
		2001: " ",
		2002: " ",
		2003: " ",
		2004: "L",
		2005: " ",
		2006: " ",
		2007: " ",
		2008: "L",
		2009: " ",
		2010: " ",
		2011: " ",
		2012: "L",
		2013: " ",
		2014: " ",
		2015: " ",
		2016: "L",
		2017: " ",
		2018: " ",
		2019: " ",
		2020: "L",
		2021: " ",
		2022: " ",
		2023: " ",
		2024: "L",
		2025: " ",
		2026: " ",
		2027: " ",
		2028: "L",
		2029: " ",
	}
	dateToJdDict = {
		(-50, 1, 1): 1702798,
		(-49, 1, 1): 1703163,
		(-48, 1, 1): 1703528,
		(-47, 1, 1): 1703894,
		(-46, 1, 1): 1704259,
		(-45, 1, 1): 1704624,
		(-44, 1, 1): 1704989,
		(-43, 1, 1): 1705355,
		(-42, 1, 1): 1705720,
		(-41, 1, 1): 1706085,
		(-40, 1, 1): 1706450,
		(-39, 1, 1): 1706816,
		(-38, 1, 1): 1707181,
		(-37, 1, 1): 1707546,
		(-36, 1, 1): 1707911,
		(-35, 1, 1): 1708277,
		(-34, 1, 1): 1708642,
		(-33, 1, 1): 1709007,
		(-32, 1, 1): 1709372,
		(-31, 1, 1): 1709738,
		(-30, 1, 1): 1710103,
		(-29, 1, 1): 1710468,
		(-28, 1, 1): 1710833,
		(-27, 1, 1): 1711199,
		(-26, 1, 1): 1711564,
		(-25, 1, 1): 1711929,
		(-24, 1, 1): 1712294,
		(-23, 1, 1): 1712660,
		(-22, 1, 1): 1713025,
		(-21, 1, 1): 1713390,
		(-20, 1, 1): 1713755,
		(-19, 1, 1): 1714121,
		(-18, 1, 1): 1714486,
		(-17, 1, 1): 1714851,
		(-16, 1, 1): 1715216,
		(-15, 1, 1): 1715582,
		(-14, 1, 1): 1715947,
		(-13, 1, 1): 1716312,
		(-12, 1, 1): 1716677,
		(-11, 1, 1): 1717043,
		(-10, 1, 1): 1717408,
		(-9, 1, 1): 1717773,
		(-8, 1, 1): 1718138,
		(-7, 1, 1): 1718504,
		(-6, 1, 1): 1718869,
		(-5, 1, 1): 1719234,
		(-4, 1, 1): 1719599,
		(-3, 1, 1): 1719965,
		(-2, 1, 1): 1720330,
		(-1, 1, 1): 1720695,
		(0, 1, 1): 1721060,
		(1, 1, 1): 1721426,
		(2, 1, 1): 1721791,
		(3, 1, 1): 1722156,
		(4, 1, 1): 1722521,
		(5, 1, 1): 1722887,
		(6, 1, 1): 1723252,
		(7, 1, 1): 1723617,
		(8, 1, 1): 1723982,
		(9, 1, 1): 1724348,
		(10, 1, 1): 1724713,
		(11, 1, 1): 1725078,
		(12, 1, 1): 1725443,
		(13, 1, 1): 1725809,
		(14, 1, 1): 1726174,
		(15, 1, 1): 1726539,
		(16, 1, 1): 1726904,
		(17, 1, 1): 1727270,
		(18, 1, 1): 1727635,
		(19, 1, 1): 1728000,
		(20, 1, 1): 1728365,
		(21, 1, 1): 1728731,
		(22, 1, 1): 1729096,
		(23, 1, 1): 1729461,
		(24, 1, 1): 1729826,
		(25, 1, 1): 1730192,
		(26, 1, 1): 1730557,
		(27, 1, 1): 1730922,
		(28, 1, 1): 1731287,
		(29, 1, 1): 1731653,
		(30, 1, 1): 1732018,
		(31, 1, 1): 1732383,
		(32, 1, 1): 1732748,
		(33, 1, 1): 1733114,
		(34, 1, 1): 1733479,
		(35, 1, 1): 1733844,
		(36, 1, 1): 1734209,
		(37, 1, 1): 1734575,
		(38, 1, 1): 1734940,
		(39, 1, 1): 1735305,
		(40, 1, 1): 1735670,
		(41, 1, 1): 1736036,
		(42, 1, 1): 1736401,
		(43, 1, 1): 1736766,
		(44, 1, 1): 1737131,
		(45, 1, 1): 1737497,
		(46, 1, 1): 1737862,
		(47, 1, 1): 1738227,
		(48, 1, 1): 1738592,
		(49, 1, 1): 1738958,
		(50, 1, 1): 1739323,
		(2015, 1, 1): 2457024,
		(2015, 2, 1): 2457055,
		(2015, 3, 1): 2457083,
		(2015, 4, 1): 2457114,
		(2015, 5, 1): 2457144,
		(2015, 6, 1): 2457175,
		(2015, 7, 1): 2457205,
		(2015, 8, 1): 2457236,
		(2015, 9, 1): 2457267,
		(2015, 10, 1): 2457297,
		(2015, 11, 1): 2457328,
		(2015, 12, 1): 2457358,
		(2016, 1, 1): 2457389,
		(2016, 2, 1): 2457420,
		(2016, 3, 1): 2457449,
		(2016, 4, 1): 2457480,
		(2016, 5, 1): 2457510,
		(2016, 6, 1): 2457541,
		(2016, 7, 1): 2457571,
		(2016, 8, 1): 2457602,
		(2016, 9, 1): 2457633,
		(2016, 10, 1): 2457663,
		(2016, 11, 1): 2457694,
		(2016, 12, 1): 2457724,
		(2017, 1, 1): 2457755,
		(2017, 2, 1): 2457786,
		(2017, 3, 1): 2457814,
		(2017, 4, 1): 2457845,
		(2017, 5, 1): 2457875,
		(2017, 6, 1): 2457906,
		(2017, 7, 1): 2457936,
		(2017, 8, 1): 2457967,
		(2017, 9, 1): 2457998,
		(2017, 10, 1): 2458028,
		(2017, 11, 1): 2458059,
		(2017, 12, 1): 2458089,
	}

	def test_isLeap(self):
		for year, isLeapStr in self.isLeapDict.items():
			isLeap = isLeapStr == "L"
			isLeapActual = gregorian.isLeap(year)
			self.assertEqual(
				isLeapActual,
				isLeap,
				f"{year=}, {isLeap=}, {isLeapActual=}",
			)

	def test_to_jd(self):
		for date, jd in self.dateToJdDict.items():
			jdActual = gregorian.to_jd(*date)
			self.assertEqual(
				jdActual,
				jd,
				f"{date=}, {jd=}, {jdActual=}",
			)

	def test_convert(self):
		startYear = 1950
		endYear = 2050
		for year in range(startYear, endYear):
			for month in range(1, 13):
				monthLen = getMonthLen(year, month)
				for day in range(1, monthLen + 1):
					date = (year, month, day)
					jd = gregorian.to_jd(*date)
					ndate = gregorian.jd_to(jd)
					self.assertEqual(
						ndate,
						date,
						f"{jd=}, {date=}, {ndate=}",
					)


if __name__ == "__main__":
	unittest.main()