Skip to content

TST: Add test inconsistency in group by (#44803) #45509

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Jan 23, 2022
Merged

TST: Add test inconsistency in group by (#44803) #45509

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7e3de8c
TST: Add test inconsistency in group by (#44803)
NumberPiOso Jan 20, 2022
b405140
Change equality assertion to tm.assert_frame_equal
NumberPiOso Jan 21, 2022
a33ba56
Merge branch 'main' into tst-df-incosistency-groupby
NumberPiOso Jan 22, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions pandas/tests/groupby/test_groupby.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,20 @@
from pandas.core.groupby.base import maybe_normalize_deprecated_kernels


def test_group_by_copy():
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

hmm actually should be in pandas/tests/groupby/test_apply_mutate.py

@NumberPiOso if you wouldn't mind doing a PR to move this.

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Yes! , PR#45578

# GH#44803
df = DataFrame(
{
"name": ["Alice", "Bob", "Carl"],
"age": [20, 21, 20],
}
).set_index("name")

grp_by_same_value = df.groupby(["age"]).apply(lambda group: group)
grp_by_copy = df.groupby(["age"]).apply(lambda group: group.copy())
tm.assert_frame_equal(grp_by_same_value, grp_by_copy)


def test_repr():
# GH18203
result = repr(Grouper(key="A", level="B"))
Expand Down