117 lines
4.1 KiB
Python
117 lines
4.1 KiB
Python
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# -*- coding: utf-8 -*-
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import pandas.util.testing as tm
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from pandas.tseries import offsets
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from pandas._libs.tslibs.frequencies import (get_rule_month,
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_period_str_to_code,
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_INVALID_FREQ_ERROR,
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is_superperiod, is_subperiod)
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def assert_aliases_deprecated(freq, expected, aliases):
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assert isinstance(aliases, list)
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assert (_period_str_to_code(freq) == expected)
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for alias in aliases:
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with tm.assert_raises_regex(ValueError, _INVALID_FREQ_ERROR):
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_period_str_to_code(alias)
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def test_get_rule_month():
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result = get_rule_month('W')
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assert (result == 'DEC')
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result = get_rule_month(offsets.Week())
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assert (result == 'DEC')
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result = get_rule_month('D')
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assert (result == 'DEC')
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result = get_rule_month(offsets.Day())
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assert (result == 'DEC')
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result = get_rule_month('Q')
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assert (result == 'DEC')
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result = get_rule_month(offsets.QuarterEnd(startingMonth=12))
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result = get_rule_month('Q-JAN')
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assert (result == 'JAN')
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result = get_rule_month(offsets.QuarterEnd(startingMonth=1))
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assert (result == 'JAN')
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result = get_rule_month('A-DEC')
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assert (result == 'DEC')
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result = get_rule_month('Y-DEC')
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assert (result == 'DEC')
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result = get_rule_month(offsets.YearEnd())
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assert (result == 'DEC')
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result = get_rule_month('A-MAY')
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assert (result == 'MAY')
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result = get_rule_month('Y-MAY')
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assert (result == 'MAY')
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result = get_rule_month(offsets.YearEnd(month=5))
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assert (result == 'MAY')
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def test_period_str_to_code():
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assert (_period_str_to_code('A') == 1000)
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assert (_period_str_to_code('A-DEC') == 1000)
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assert (_period_str_to_code('A-JAN') == 1001)
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assert (_period_str_to_code('Y') == 1000)
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assert (_period_str_to_code('Y-DEC') == 1000)
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assert (_period_str_to_code('Y-JAN') == 1001)
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assert (_period_str_to_code('Q') == 2000)
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assert (_period_str_to_code('Q-DEC') == 2000)
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assert (_period_str_to_code('Q-FEB') == 2002)
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assert_aliases_deprecated("M", 3000, ["MTH", "MONTH", "MONTHLY"])
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assert (_period_str_to_code('W') == 4000)
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assert (_period_str_to_code('W-SUN') == 4000)
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assert (_period_str_to_code('W-FRI') == 4005)
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assert_aliases_deprecated("B", 5000, ["BUS", "BUSINESS",
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"BUSINESSLY", "WEEKDAY"])
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assert_aliases_deprecated("D", 6000, ["DAY", "DLY", "DAILY"])
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assert_aliases_deprecated("H", 7000, ["HR", "HOUR", "HRLY", "HOURLY"])
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assert_aliases_deprecated("T", 8000, ["minute", "MINUTE", "MINUTELY"])
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assert (_period_str_to_code('Min') == 8000)
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assert_aliases_deprecated("S", 9000, ["sec", "SEC", "SECOND", "SECONDLY"])
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assert_aliases_deprecated("L", 10000, ["MILLISECOND", "MILLISECONDLY"])
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assert (_period_str_to_code('ms') == 10000)
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assert_aliases_deprecated("U", 11000, ["MICROSECOND", "MICROSECONDLY"])
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assert (_period_str_to_code('US') == 11000)
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assert_aliases_deprecated("N", 12000, ["NANOSECOND", "NANOSECONDLY"])
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assert (_period_str_to_code('NS') == 12000)
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def test_is_superperiod_subperiod():
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# input validation
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assert not (is_superperiod(offsets.YearEnd(), None))
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assert not (is_subperiod(offsets.MonthEnd(), None))
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assert not (is_superperiod(None, offsets.YearEnd()))
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assert not (is_subperiod(None, offsets.MonthEnd()))
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assert not (is_superperiod(None, None))
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assert not (is_subperiod(None, None))
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assert (is_superperiod(offsets.YearEnd(), offsets.MonthEnd()))
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assert (is_subperiod(offsets.MonthEnd(), offsets.YearEnd()))
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assert (is_superperiod(offsets.Hour(), offsets.Minute()))
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assert (is_subperiod(offsets.Minute(), offsets.Hour()))
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assert (is_superperiod(offsets.Second(), offsets.Milli()))
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assert (is_subperiod(offsets.Milli(), offsets.Second()))
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assert (is_superperiod(offsets.Milli(), offsets.Micro()))
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assert (is_subperiod(offsets.Micro(), offsets.Milli()))
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assert (is_superperiod(offsets.Micro(), offsets.Nano()))
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assert (is_subperiod(offsets.Nano(), offsets.Micro()))
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