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TST: add date range test for reindex case from GH-32740 #33265

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Merged
merged 16 commits into from
Apr 5, 2020
Merged

TST: add date range test for reindex case from GH-32740 #33265

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9d694ff
add test on date range timezone reindex
BenjaminLiuPenrose Apr 3, 2020
5462391
undo
BenjaminLiuPenrose Apr 3, 2020
3365dba
fix
BenjaminLiuPenrose Apr 3, 2020
36e24d2
move code to datetime test
BenjaminLiuPenrose Apr 3, 2020
f95ccc7
import timedelta
BenjaminLiuPenrose Apr 3, 2020
2390a40
adding assertion the np array results
BenjaminLiuPenrose Apr 3, 2020
0278b02
comply to coding standard
BenjaminLiuPenrose Apr 3, 2020
e89f7bb
update
BenjaminLiuPenrose Apr 3, 2020
40cffc3
update
BenjaminLiuPenrose Apr 4, 2020
0c30720
assert_numpy_array_equal
BenjaminLiuPenrose Apr 4, 2020
9e81400
comply black format
BenjaminLiuPenrose Apr 4, 2020
e25d95c
format checking
BenjaminLiuPenrose Apr 4, 2020
c840d38
white space
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bleck
BenjaminLiuPenrose Apr 4, 2020
f852391
Merge remote-tracking branch 'upstream/master' into my_change
BenjaminLiuPenrose Apr 4, 2020
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Merge remote-tracking branch 'upstream/master' into my_change
BenjaminLiuPenrose Apr 4, 2020
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41 changes: 40 additions & 1 deletion pandas/tests/indexes/datetimes/test_datetime.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
from datetime import date
from datetime import date, timedelta

import dateutil
import numpy as np
Expand Down Expand Up @@ -44,6 +44,45 @@ def test_reindex_preserves_tz_if_target_is_empty_list_or_array(self):
assert str(index.reindex([])[0].tz) == "US/Eastern"
assert str(index.reindex(np.array([]))[0].tz) == "US/Eastern"

def test_reindex_with_same_tz(self):
# GH 32740
rng_a = date_range("2010-01-01", "2010-01-02", periods=24, tz="utc")
rng_b = date_range("2010-01-01", "2010-01-02", periods=23, tz="utc")
result1, result2 = rng_a.reindex(
rng_b, method="nearest", tolerance=timedelta(seconds=20)
)
expected_list1 = [
"2010-01-01 00:00:00",
"2010-01-01 01:05:27.272727272",
"2010-01-01 02:10:54.545454545",
"2010-01-01 03:16:21.818181818",
"2010-01-01 04:21:49.090909090",
"2010-01-01 05:27:16.363636363",
"2010-01-01 06:32:43.636363636",
"2010-01-01 07:38:10.909090909",
"2010-01-01 08:43:38.181818181",
"2010-01-01 09:49:05.454545454",
"2010-01-01 10:54:32.727272727",
"2010-01-01 12:00:00",
"2010-01-01 13:05:27.272727272",
"2010-01-01 14:10:54.545454545",
"2010-01-01 15:16:21.818181818",
"2010-01-01 16:21:49.090909090",
"2010-01-01 17:27:16.363636363",
"2010-01-01 18:32:43.636363636",
"2010-01-01 19:38:10.909090909",
"2010-01-01 20:43:38.181818181",
"2010-01-01 21:49:05.454545454",
"2010-01-01 22:54:32.727272727",
"2010-01-02 00:00:00",
]
expected1 = DatetimeIndex(
expected_list1, dtype="datetime64[ns, UTC]", freq=None,
)
expected2 = np.array([0] + [-1] * 21 + [23], dtype=np.int64,)
tm.assert_index_equal(result1, expected1)
tm.assert_numpy_array_equal(result2, expected2)

def test_time_loc(self): # GH8667
from datetime import time
from pandas._libs.index import _SIZE_CUTOFF
Expand Down