test_utils.py
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test_utils.py
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	# Copyright (C) 2015-2017 The Software Heritage developers
	# See the AUTHORS file at the top-level directory of this distribution
	# License: GNU General Public License version 3, or any later version
	# See top-level LICENSE file for more information

	import unittest

	from nose.tools import istest

	from swh.loader.git import utils


	class TestUtils(unittest.TestCase):
	@istest
	def check_date_time(self):
	"""A long as datetime is fine, date time check does not raise

	"""
	for e in range(32, 37):
	ts = 2**e
	utils.check_date_time(ts)

	@istest
	def check_date_time_empty_value(self):
	self.assertIsNone(utils.check_date_time(None))

	@istest
	def check_date_time_raises(self):
	"""From a give threshold, check will no longer works.

	"""
	exp = 38
	timestamp = 2**exp
	with self.assertRaisesRegex(ValueError, 'is out of range'):
	utils.check_date_time(timestamp)