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TST: Test Loc to set Multiple Items to multiple new columns #42665

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Merged
merged 9 commits into from
Jul 28, 2021
Merged

TST: Test Loc to set Multiple Items to multiple new columns #42665

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38d0502
Modified ecosystem.rst to include ibis
GYvan Jul 15, 2021
85c554c
created a test for issue #25594
GYvan Jul 22, 2021
c93cbd6
Test for issue #25594
GYvan Jul 22, 2021
4afc50b
reverted the changes
GYvan Jul 23, 2021
98047f4
Test Loc to set Multiple Items to multiple new columns - Changes Made
GYvan Jul 27, 2021
d44cdba
Test Loc to set Multiple Items to multiple new columns - Changes made…
GYvan Jul 27, 2021
4f2a69c
TST: Test Loc to set Multiple Items to multiple new columns - Changes…
GYvan Jul 27, 2021
d785568
TST: test for issue #25594 - Changes made
GYvan Jul 27, 2021
e654ace
removed the check_dtype
GYvan Jul 27, 2021
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9 changes: 9 additions & 0 deletions pandas/tests/indexing/test_loc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2768,3 +2768,12 @@ def test_loc_setitem_dict_timedelta_multiple_set(self):
[[Timedelta(6, unit="s"), "foo"]], columns=["time", "value"], index=[1]
)
tm.assert_frame_equal(result, expected)

def test_loc_set_multiple_items_in_multiple_new_columns(self):
# GH 25594
df = DataFrame(index=[1, 2], columns=["a"])
df.loc[1, ["b", "c"]] = [6, 7]

expected = DataFrame({"a": [np.nan, np.nan], "b": [6, np.nan], "c": [7, np.nan]}, index = [1, 2])

tm.assert_frame_equal(df, expected, check_dtype=False)
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Please remove the check_dtype=False parameter

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@phofl I tried the remove the "check_dtype=False" parameter put the test is not passing. This is the error I'm getting: "- AssertionError: Attributes of DataFrame.iloc[:, 0] (column name="a") are different". I think the dtype of df and expected are different

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Then you have to define expected accordingly