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TST: Test DatetimeIndex weekend offset #14853

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Dec 11, 2016
Merged

TST: Test DatetimeIndex weekend offset #14853

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35 changes: 34 additions & 1 deletion pandas/tests/indexes/test_datetimelike.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# -*- coding: utf-8 -*-

from datetime import datetime, timedelta, time
from datetime import datetime, timedelta, time, date

import numpy as np

Expand Down Expand Up @@ -348,6 +348,19 @@ def test_construction_outofbounds(self):
# can't create DatetimeIndex
DatetimeIndex(dates)

def test_construction_with_ndarray(self):
# GH 5152
dates = [datetime(2013, 10, 7),
datetime(2013, 10, 8),
datetime(2013, 10, 9)]
data = DatetimeIndex(dates, freq=pd.tseries.frequencies.BDay()).values
result = DatetimeIndex(data, freq=pd.tseries.frequencies.BDay())
expected = DatetimeIndex(['2013-10-07',
'2013-10-08',
'2013-10-09'],
freq='B')
tm.assert_index_equal(result, expected)

def test_astype(self):
# GH 13149, GH 13209
idx = DatetimeIndex(['2016-05-16', 'NaT', NaT, np.NaN])
Expand Down Expand Up @@ -748,6 +761,26 @@ def test_difference_freq(self):
tm.assert_index_equal(idx_diff, expected)
tm.assert_attr_equal('freq', idx_diff, expected)

def test_week_of_month_frequency(self):
# GH 5348: "ValueError: Could not evaluate WOM-1SUN" shouldn't raise
d1 = date(2002, 9, 1)
d2 = date(2013, 10, 27)
d3 = date(2012, 9, 30)
idx1 = DatetimeIndex([d1, d2])
idx2 = DatetimeIndex([d3])
result_append = idx1.append(idx2)
expected = DatetimeIndex([d1, d2, d3])
tm.assert_index_equal(result_append, expected)
result_union = idx1.union(idx2)
expected = DatetimeIndex([d1, d3, d2])
tm.assert_index_equal(result_union, expected)

# GH 5115
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result = date_range("2013-1-1", periods=4, freq='WOM-1SAT')
dates = ['2013-01-05', '2013-02-02', '2013-03-02', '2013-04-06']
expected = DatetimeIndex(dates, freq='WOM-1SAT')
tm.assert_index_equal(result, expected)


class TestPeriodIndex(DatetimeLike, tm.TestCase):
_holder = PeriodIndex
Expand Down