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Regression tests to cover reset_index issue #52741

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Merged
merged 3 commits into from
Apr 20, 2023
Merged

Regression tests to cover reset_index issue #52741

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873ce08
add regression test to cover an issue #38147
vagechirkov Apr 18, 2023
03e22de
add assert to the tests
vagechirkov Apr 20, 2023
16b8a82
replace Index with RangeIndex
vagechirkov Apr 20, 2023
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15 changes: 15 additions & 0 deletions pandas/tests/frame/methods/test_reset_index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -773,3 +773,18 @@ def test_errorreset_index_rename(float_frame):

with pytest.raises(IndexError, match="list index out of range"):
stacked_df.reset_index(names=["new_first"])


def test_reset_index_false_index_name():
result_series = Series(data=range(5, 10), index=range(0, 5))
result_series.index.name = False
result_series.reset_index()
expected_series = Series(range(5, 10), RangeIndex(range(0, 5), name=False))
tm.assert_series_equal(result_series, expected_series)

# GH 38147
result_frame = DataFrame(data=range(5, 10), index=range(0, 5))
result_frame.index.name = False
result_frame.reset_index()
expected_frame = DataFrame(range(5, 10), RangeIndex(range(0, 5), name=False))
tm.assert_frame_equal(result_frame, expected_frame)