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Allow to use_given_order for languages too #997

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4 changes: 2 additions & 2 deletions dateparser/date.py
Expand Up @@ -358,8 +358,8 @@ def __init__(self, languages=None, locales=None, region=None, try_previous_local
raise TypeError("use_given_order argument must be a boolean (%r given)"
% type(use_given_order))

if not locales and use_given_order:
raise ValueError("locales must be given if use_given_order is True")
if not locales and not languages and use_given_order:
raise ValueError("locales or languages must be given if use_given_order is True")

check_settings(settings)

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7 changes: 5 additions & 2 deletions tests/test_date.py
Expand Up @@ -652,10 +652,13 @@ def test_error_raised_for_invalid_use_given_order_argument(self, use_given_order
TypeError, ["use_given_order argument must be a boolean (%r given)"
% type(use_given_order)])

def test_error_is_raised_when_use_given_order_is_True_and_locales_is_None(self):
def test_error_is_raised_when_use_given_order_is_True_and_locales_and_languages_is_None(self):
self.when_parser_is_initialized(use_given_order=True)
self.then_error_was_raised(
ValueError, ["locales must be given if use_given_order is True"])
ValueError, ["locales or languages must be given if use_given_order is True"])

def test_no_error_for_order_with_languages_without_locales(self):
self.when_parser_is_initialized(languages=['en', 'fr'], use_given_order=True)

def when_parser_is_initialized(self, languages=None, locales=None, region=None,
try_previous_locales=True, use_given_order=False):
Expand Down