81 lines
3.9 KiB
Python
81 lines
3.9 KiB
Python
import datetime
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import dates
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from dates import Precision
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def test_easter_known_years():
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# Anonymous Gregorian algorithm — verified against published tables
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assert dates.easter(2024) == datetime.date(2024, 3, 31)
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assert dates.easter(2000) == datetime.date(2000, 4, 23)
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assert dates.easter(1922) == datetime.date(1922, 4, 16)
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assert dates.easter(1888) == datetime.date(1888, 4, 1)
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def test_resolve_feast_movable():
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assert dates.resolve_feast_or_season("Pfingsten", 1922) == ("1922-06-04", Precision.DAY)
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assert dates.resolve_feast_or_season("Ostern", 2024) == ("2024-03-31", Precision.DAY)
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assert dates.resolve_feast_or_season("Pfingstmontag", 1922) == ("1922-06-05", Precision.DAY)
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def test_resolve_feast_fixed():
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assert dates.resolve_feast_or_season("Weihnachten", 1900) == ("1900-12-25", Precision.DAY)
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assert dates.resolve_feast_or_season("Neujahr", 1910) == ("1910-01-01", Precision.DAY)
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def test_resolve_season():
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assert dates.resolve_feast_or_season("Herbst", 1913) == ("1913-10-01", Precision.SEASON)
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assert dates.resolve_feast_or_season("Sommer", 1910) == ("1910-07-01", Precision.SEASON)
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def test_resolve_unknown_token_returns_none():
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assert dates.resolve_feast_or_season("Freitag", 1919) is None
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def test_expand_year():
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assert dates.expand_year("1888") == 1888
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assert dates.expand_year("889") == 1889 # 3-digit -> 1DDD
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assert dates.expand_year("923") == 1923
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assert dates.expand_year("08") == 1908 # 00..57 -> 19xx
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assert dates.expand_year("17") == 1917
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assert dates.expand_year("57") == 1957
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assert dates.expand_year("73") == 1873 # 73..99 -> 18xx
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assert dates.expand_year("99") == 1899
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assert dates.expand_year("65") is None # 58..72 ambiguous
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assert dates.expand_year("x") is None
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def test_parse_iso_and_empty():
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assert dates.parse_date("1910-04-23") == dates.ParsedDate("1910-04-23", Precision.DAY, "1910-04-23")
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assert dates.parse_date("") == dates.ParsedDate(None, Precision.UNKNOWN, "")
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assert dates.parse_date("?") == dates.ParsedDate(None, Precision.UNKNOWN, "?")
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def test_parse_numeric_forms():
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assert dates.parse_date("15.2.1888").iso == "1888-02-15"
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assert dates.parse_date("13.5.09").iso == "1909-05-13"
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assert dates.parse_date("17/6. 1916").iso == "1916-06-17"
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assert dates.parse_date("11.10.08").iso == "1908-10-11"
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assert dates.parse_date("30.1.889").iso == "1889-01-30"
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assert dates.parse_date("15.2.1888").precision == Precision.DAY
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def test_parse_numeric_unparseable():
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assert dates.parse_date("8.9.").precision == Precision.UNKNOWN # no year
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assert dates.parse_date("13.5.65").precision == Precision.UNKNOWN # ambiguous 2-digit year
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def test_parse_approx_marker_upgrades_precision():
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r = dates.parse_date("17.Nov (?) 1887") # month-name matcher now active; (?) marks approx
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assert r.raw == "17.Nov (?) 1887"
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assert r.precision == Precision.APPROX # month-name matcher parses date; (?) upgrades to APPROX
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def test_parse_leading_qualifier_is_approx():
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r = dates.parse_date("nach 1.5.1900") # qualifier stripped, numeric date salvaged, precision APPROX
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assert r.iso == "1900-05-01"
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assert r.precision == Precision.APPROX
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def test_parse_roman_months():
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assert dates.parse_date("22.III.18").iso == "1918-03-22"
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assert dates.parse_date("19.XII.1954").iso == "1954-12-19"
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assert dates.parse_date("1.III.27").iso == "1927-03-01"
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assert dates.parse_date("22.III.18").precision == Precision.DAY
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def test_parse_monthname_day_first():
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assert dates.parse_date("6.März 1888").iso == "1888-03-06"
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assert dates.parse_date("29.Sept.1891").iso == "1891-09-29"
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assert dates.parse_date("10.Oct.95").iso == "1895-10-10"
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assert dates.parse_date("9.December1889").iso == "1889-12-09"
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assert dates.parse_date("18.Dez.1916").iso == "1916-12-18"
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assert dates.parse_date("4Dezember 1936").iso == "1936-12-04"
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assert dates.parse_date("25 August 1968").iso == "1968-08-25"
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