mirror of
https://github.com/wassname/catalyst.git
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Eddie Hebert
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
#
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# Copyright 2012 Quantopian, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest import TestCase
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import datetime
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import pytz
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from zipline.utils.date_utils import (
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get_quarter,
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dates_of_quarter
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)
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class DateUtilsQuarterTests(TestCase):
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def test_dates_quarter_inverses(self):
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last_quarter = None
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for y in xrange(1900, 2050):
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for m in xrange(1, 13):
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dt = datetime.datetime(y, m, 1, tzinfo=pytz.utc)
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q = get_quarter(dt)
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if last_quarter:
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self.assertGreater(q, last_quarter)
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boundaries = dates_of_quarter(q)
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self.assertTrue(
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boundaries[0] <= dt <= boundaries[1],
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"dates_of_quarter not inverse of get_quarter {0}"
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.format(dt,))
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self.assertEqual(q, get_quarter(boundaries[0]))
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self.assertEqual(q, get_quarter(boundaries[1]))
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