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test_factory.py
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test_factory.py
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import time
from datetime import date, datetime
from decimal import Decimal
import pytest
from dateutil import tz
from arrow import Arrow
from arrow.parser import ParserError
from .utils import assert_datetime_equality
@pytest.mark.usefixtures("arrow_factory")
class TestGet:
def test_no_args(self):
assert_datetime_equality(
self.factory.get(), datetime.utcnow().replace(tzinfo=tz.tzutc())
)
def test_timestamp_one_arg_no_arg(self):
no_arg = self.factory.get(1406430900).timestamp()
one_arg = self.factory.get("1406430900", "X").timestamp()
assert no_arg == one_arg
def test_one_arg_none(self):
with pytest.raises(TypeError):
self.factory.get(None)
def test_struct_time(self):
assert_datetime_equality(
self.factory.get(time.gmtime()),
datetime.utcnow().replace(tzinfo=tz.tzutc()),
)
def test_one_arg_timestamp(self):
int_timestamp = int(time.time())
timestamp_dt = datetime.utcfromtimestamp(int_timestamp).replace(
tzinfo=tz.tzutc()
)
assert self.factory.get(int_timestamp) == timestamp_dt
with pytest.raises(ParserError):
self.factory.get(str(int_timestamp))
float_timestamp = time.time()
timestamp_dt = datetime.utcfromtimestamp(float_timestamp).replace(
tzinfo=tz.tzutc()
)
assert self.factory.get(float_timestamp) == timestamp_dt
with pytest.raises(ParserError):
self.factory.get(str(float_timestamp))
# Regression test for issue #216
# Python 3 raises OverflowError, Python 2 raises ValueError
timestamp = 99999999999999999999999999.99999999999999999999999999
with pytest.raises((OverflowError, ValueError)):
self.factory.get(timestamp)
def test_one_arg_expanded_timestamp(self):
millisecond_timestamp = 1591328104308
microsecond_timestamp = 1591328104308505
# Regression test for issue #796
assert self.factory.get(millisecond_timestamp) == datetime.utcfromtimestamp(
1591328104.308
).replace(tzinfo=tz.tzutc())
assert self.factory.get(microsecond_timestamp) == datetime.utcfromtimestamp(
1591328104.308505
).replace(tzinfo=tz.tzutc())
def test_one_arg_timestamp_with_tzinfo(self):
timestamp = time.time()
timestamp_dt = datetime.fromtimestamp(timestamp, tz=tz.tzutc()).astimezone(
tz.gettz("US/Pacific")
)
timezone = tz.gettz("US/Pacific")
assert_datetime_equality(
self.factory.get(timestamp, tzinfo=timezone), timestamp_dt
)
def test_one_arg_arrow(self):
arw = self.factory.utcnow()
result = self.factory.get(arw)
assert arw == result
def test_one_arg_datetime(self):
dt = datetime.utcnow().replace(tzinfo=tz.tzutc())
assert self.factory.get(dt) == dt
def test_one_arg_date(self):
d = date.today()
dt = datetime(d.year, d.month, d.day, tzinfo=tz.tzutc())
assert self.factory.get(d) == dt
def test_one_arg_tzinfo(self):
self.expected = (
datetime.utcnow()
.replace(tzinfo=tz.tzutc())
.astimezone(tz.gettz("US/Pacific"))
)
assert_datetime_equality(
self.factory.get(tz.gettz("US/Pacific")), self.expected
)
# regression test for issue #658
def test_one_arg_dateparser_datetime(self):
dateparser = pytest.importorskip("dateparser")
expected = datetime(1990, 1, 1).replace(tzinfo=tz.tzutc())
# dateparser outputs: datetime.datetime(1990, 1, 1, 0, 0, tzinfo=<StaticTzInfo 'UTC\+00:00'>)
parsed_date = dateparser.parse("1990-01-01T00:00:00+00:00")
dt_output = self.factory.get(parsed_date)._datetime.replace(tzinfo=tz.tzutc())
assert dt_output == expected
def test_kwarg_tzinfo(self):
self.expected = (
datetime.utcnow()
.replace(tzinfo=tz.tzutc())
.astimezone(tz.gettz("US/Pacific"))
)
assert_datetime_equality(
self.factory.get(tzinfo=tz.gettz("US/Pacific")), self.expected
)
def test_kwarg_tzinfo_string(self):
self.expected = (
datetime.utcnow()
.replace(tzinfo=tz.tzutc())
.astimezone(tz.gettz("US/Pacific"))
)
assert_datetime_equality(self.factory.get(tzinfo="US/Pacific"), self.expected)
with pytest.raises(ParserError):
self.factory.get(tzinfo="US/PacificInvalidTzinfo")
def test_kwarg_normalize_whitespace(self):
result = self.factory.get(
"Jun 1 2005 1:33PM",
"MMM D YYYY H:mmA",
tzinfo=tz.tzutc(),
normalize_whitespace=True,
)
assert result._datetime == datetime(2005, 6, 1, 13, 33, tzinfo=tz.tzutc())
result = self.factory.get(
"\t 2013-05-05T12:30:45.123456 \t \n",
tzinfo=tz.tzutc(),
normalize_whitespace=True,
)
assert result._datetime == datetime(
2013, 5, 5, 12, 30, 45, 123456, tzinfo=tz.tzutc()
)
# regression test for #944
def test_one_arg_datetime_tzinfo_kwarg(self):
dt = datetime(2021, 4, 29, 6)
result = self.factory.get(dt, tzinfo="America/Chicago")
expected = datetime(2021, 4, 29, 6, tzinfo=tz.gettz("America/Chicago"))
assert_datetime_equality(result._datetime, expected)
def test_one_arg_arrow_tzinfo_kwarg(self):
arw = Arrow(2021, 4, 29, 6)
result = self.factory.get(arw, tzinfo="America/Chicago")
expected = datetime(2021, 4, 29, 6, tzinfo=tz.gettz("America/Chicago"))
assert_datetime_equality(result._datetime, expected)
def test_one_arg_date_tzinfo_kwarg(self):
da = date(2021, 4, 29)
result = self.factory.get(da, tzinfo="America/Chicago")
expected = Arrow(2021, 4, 29, tzinfo=tz.gettz("America/Chicago"))
assert result.date() == expected.date()
assert result.tzinfo == expected.tzinfo
def test_one_arg_iso_calendar_tzinfo_kwarg(self):
result = self.factory.get((2004, 1, 7), tzinfo="America/Chicago")
expected = Arrow(2004, 1, 4, tzinfo="America/Chicago")
assert_datetime_equality(result, expected)
def test_one_arg_iso_str(self):
dt = datetime.utcnow()
assert_datetime_equality(
self.factory.get(dt.isoformat()), dt.replace(tzinfo=tz.tzutc())
)
def test_one_arg_iso_calendar(self):
pairs = [
(datetime(2004, 1, 4), (2004, 1, 7)),
(datetime(2008, 12, 30), (2009, 1, 2)),
(datetime(2010, 1, 2), (2009, 53, 6)),
(datetime(2000, 2, 29), (2000, 9, 2)),
(datetime(2005, 1, 1), (2004, 53, 6)),
(datetime(2010, 1, 4), (2010, 1, 1)),
(datetime(2010, 1, 3), (2009, 53, 7)),
(datetime(2003, 12, 29), (2004, 1, 1)),
]
for pair in pairs:
dt, iso = pair
assert self.factory.get(iso) == self.factory.get(dt)
with pytest.raises(TypeError):
self.factory.get((2014, 7, 1, 4))
with pytest.raises(TypeError):
self.factory.get((2014, 7))
with pytest.raises(ValueError):
self.factory.get((2014, 70, 1))
with pytest.raises(ValueError):
self.factory.get((2014, 7, 10))
def test_one_arg_other(self):
with pytest.raises(TypeError):
self.factory.get(object())
def test_one_arg_bool(self):
with pytest.raises(TypeError):
self.factory.get(False)
with pytest.raises(TypeError):
self.factory.get(True)
def test_one_arg_decimal(self):
result = self.factory.get(Decimal(1577836800.26843))
assert result._datetime == datetime(
2020, 1, 1, 0, 0, 0, 268430, tzinfo=tz.tzutc()
)
def test_two_args_datetime_tzinfo(self):
result = self.factory.get(datetime(2013, 1, 1), tz.gettz("US/Pacific"))
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.gettz("US/Pacific"))
def test_two_args_datetime_tz_str(self):
result = self.factory.get(datetime(2013, 1, 1), "US/Pacific")
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.gettz("US/Pacific"))
def test_two_args_date_tzinfo(self):
result = self.factory.get(date(2013, 1, 1), tz.gettz("US/Pacific"))
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.gettz("US/Pacific"))
def test_two_args_date_tz_str(self):
result = self.factory.get(date(2013, 1, 1), "US/Pacific")
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.gettz("US/Pacific"))
def test_two_args_datetime_other(self):
with pytest.raises(TypeError):
self.factory.get(datetime.utcnow(), object())
def test_two_args_date_other(self):
with pytest.raises(TypeError):
self.factory.get(date.today(), object())
def test_two_args_str_str(self):
result = self.factory.get("2013-01-01", "YYYY-MM-DD")
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.tzutc())
def test_two_args_str_tzinfo(self):
result = self.factory.get("2013-01-01", tzinfo=tz.gettz("US/Pacific"))
assert_datetime_equality(
result._datetime, datetime(2013, 1, 1, tzinfo=tz.gettz("US/Pacific"))
)
def test_two_args_twitter_format(self):
# format returned by twitter API for created_at:
twitter_date = "Fri Apr 08 21:08:54 +0000 2016"
result = self.factory.get(twitter_date, "ddd MMM DD HH:mm:ss Z YYYY")
assert result._datetime == datetime(2016, 4, 8, 21, 8, 54, tzinfo=tz.tzutc())
def test_two_args_str_list(self):
result = self.factory.get("2013-01-01", ["MM/DD/YYYY", "YYYY-MM-DD"])
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.tzutc())
def test_two_args_unicode_unicode(self):
result = self.factory.get("2013-01-01", "YYYY-MM-DD")
assert result._datetime == datetime(2013, 1, 1, tzinfo=tz.tzutc())
def test_two_args_other(self):
with pytest.raises(TypeError):
self.factory.get(object(), object())
def test_three_args_with_tzinfo(self):
timefmt = "YYYYMMDD"
d = "20150514"
assert self.factory.get(d, timefmt, tzinfo=tz.tzlocal()) == datetime(
2015, 5, 14, tzinfo=tz.tzlocal()
)
def test_three_args(self):
assert self.factory.get(2013, 1, 1) == datetime(2013, 1, 1, tzinfo=tz.tzutc())
def test_full_kwargs(self):
assert self.factory.get(
year=2016,
month=7,
day=14,
hour=7,
minute=16,
second=45,
microsecond=631092,
) == datetime(2016, 7, 14, 7, 16, 45, 631092, tzinfo=tz.tzutc())
def test_three_kwargs(self):
assert self.factory.get(year=2016, month=7, day=14) == datetime(
2016, 7, 14, 0, 0, tzinfo=tz.tzutc()
)
def test_tzinfo_string_kwargs(self):
result = self.factory.get("2019072807", "YYYYMMDDHH", tzinfo="UTC")
assert result._datetime == datetime(2019, 7, 28, 7, 0, 0, 0, tzinfo=tz.tzutc())
def test_insufficient_kwargs(self):
with pytest.raises(TypeError):
self.factory.get(year=2016)
with pytest.raises(TypeError):
self.factory.get(year=2016, month=7)
def test_locale(self):
result = self.factory.get("2010", "YYYY", locale="ja")
assert result._datetime == datetime(2010, 1, 1, 0, 0, 0, 0, tzinfo=tz.tzutc())
# regression test for issue #701
result = self.factory.get(
"Montag, 9. September 2019, 16:15-20:00", "dddd, D. MMMM YYYY", locale="de"
)
assert result._datetime == datetime(2019, 9, 9, 0, 0, 0, 0, tzinfo=tz.tzutc())
def test_locale_kwarg_only(self):
res = self.factory.get(locale="ja")
assert res.tzinfo == tz.tzutc()
def test_locale_with_tzinfo(self):
res = self.factory.get(locale="ja", tzinfo=tz.gettz("Asia/Tokyo"))
assert res.tzinfo == tz.gettz("Asia/Tokyo")
@pytest.mark.usefixtures("arrow_factory")
class TestUtcNow:
def test_utcnow(self):
assert_datetime_equality(
self.factory.utcnow()._datetime,
datetime.utcnow().replace(tzinfo=tz.tzutc()),
)
@pytest.mark.usefixtures("arrow_factory")
class TestNow:
def test_no_tz(self):
assert_datetime_equality(self.factory.now(), datetime.now(tz.tzlocal()))
def test_tzinfo(self):
assert_datetime_equality(
self.factory.now(tz.gettz("EST")), datetime.now(tz.gettz("EST"))
)
def test_tz_str(self):
assert_datetime_equality(self.factory.now("EST"), datetime.now(tz.gettz("EST")))