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import locale
from datetime import datetime
from unittest import SkipTest
from parameterized import param, parameterized
from dateparser.utils.strptime import strptime
from tests import BaseTestCase
class TestStrptime(BaseTestCase):
def setUp(self):
super().setUp()
def given_system_locale_is(self, locale_str):
try:
locale.setlocale(locale.LC_ALL, locale_str)
except locale.Error:
raise SkipTest("Locale {} is not installed".format(locale_str))
def when_date_string_is_parsed(self, date_string, fmt):
try:
self.result = strptime(date_string, fmt)
except ValueError as e:
self.result = e
def when_date_string_is_parsed_using_datetime_strptime(self, date_string, fmt):
try:
self.result = datetime.strptime(date_string, fmt)
except ValueError as e:
self.result = e
def then_date_object_is(self, expected):
assert self.result == expected
def then_date_object_is_instance_of(self, expected):
assert isinstance(self.result, expected)
@parameterized.expand(
[
param("21 January 2010", "%d %B %Y", expected=datetime(2010, 1, 21, 0, 0)),
param("2 Mar 2010", "%d %b %Y", expected=datetime(2010, 3, 2, 0, 0)),
param(
"12 December 10 10:30",
"%d %B %y %H:%M",
expected=datetime(2010, 12, 12, 10, 30),
),
param(
"12 December 10 22:41",
"%d %B %y %H:%M",
expected=datetime(2010, 12, 12, 22, 41),
),
param(
"12 February 2016 11:41",
"%d %B %Y %I:%M",
expected=datetime(2016, 2, 12, 11, 41),
),
param("21 Jan 2010", "%d %b %Y", expected=datetime(2010, 1, 21, 0, 0)),
param(
"12 Dec 10 10:30",
"%d %b %y %H:%M",
expected=datetime(2010, 12, 12, 10, 30),
),
param(
"12 Feb 2016 11:41",
"%d %b %Y %I:%M",
expected=datetime(2016, 2, 12, 11, 41),
),
]
)
def test_dates_with_months_are_parsed_if_locale_is_non_english(
self, date_string, fmt, expected
):
self.given_system_locale_is("fr_FR.UTF-8")
self.when_date_string_is_parsed(date_string, fmt)
self.then_date_object_is(expected)
@parameterized.expand(
[
param(
"Monday 21 January 2010",
"%A %d %B %Y",
expected=datetime(2010, 1, 21, 0, 0),
),
param("Tue 2 Mar 2010", "%a %d %b %Y", expected=datetime(2010, 3, 2, 0, 0)),
param(
"Friday 12 December 10 10:30",
"%A %d %B %y %H:%M",
expected=datetime(2010, 12, 12, 10, 30),
),
param(
"Wed 12 December 10 22:41",
"%a %d %B %y %H:%M",
expected=datetime(2010, 12, 12, 22, 41),
),
param(
"Thu 12 February 2016 11:41",
"%a %d %B %Y %I:%M",
expected=datetime(2016, 2, 12, 11, 41),
),
]
)
def test_dates_with_days_are_parsed_if_locale_is_non_english(
self, date_string, fmt, expected
):
self.given_system_locale_is("fr_FR.UTF-8")
self.when_date_string_is_parsed(date_string, fmt)
self.then_date_object_is(expected)
def test_parsing_date_should_fail_using_datetime_strptime_if_locale_is_non_english(
self,
):
self.given_system_locale_is("fr_FR.UTF-8")
self.when_date_string_is_parsed_using_datetime_strptime(
"21 february 2010", "%d %B %Y"
)
self.then_date_object_is_instance_of(ValueError)
@parameterized.expand(
[
param(
"12 Dec 10 10:30:55.1",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 100000),
),
param(
"12 Dec 10 10:30:55.10",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 100000),
),
param(
"12 Dec 10 10:30:55.100",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 100000),
),
param(
"12 Dec 10 10:30:55.1000",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 100000),
),
param(
"12 Dec 10 10:30:55.100000",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 100000),
),
param(
"12 Dec 10 10:30:55.000001",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 1),
),
param(
"12 Dec 10 10:30:55.000011",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 11),
),
param(
"12 Dec 10 10:30:55.000111",
"%d %b %y %H:%M:%S.%f",
expected=datetime(2010, 12, 12, 10, 30, 55, 111),
),
param(
"12 Feb 2016 11:41:23",
"%d %b %Y %I:%M:%S",
expected=datetime(2016, 2, 12, 11, 41, 23),
),
param(
"11 Dec 10 10:30:2011.999999",
"%y %b %S %H:%M:%Y.%f",
expected=datetime(2011, 12, 1, 10, 30, 10, 999999),
),
]
)
def test_microseconds_are_parsed_correctly(self, date_string, fmt, expected):
self.when_date_string_is_parsed(date_string, fmt)
self.then_date_object_is(expected)
|
