Skip to content

DataFrame transform with fillna test GH#26840 #52230

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 1 commit into from
Mar 27, 2023
Merged

DataFrame transform with fillna test GH#26840 #52230

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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/transform/test_transform.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -361,6 +361,20 @@ def test_dispatch_transform(tsframe):
tm.assert_frame_equal(filled, expected)


def test_transform_fillna_null():
df = DataFrame(
dict(
price=[10, 10, 20, 20, 30, 30],
color=[10, 10, 20, 20, 30, 30],
cost=(100, 200, 300, 400, 500, 600),
)
)
with pytest.raises(ValueError, match="Must specify a fill 'value' or 'method'"):
df.groupby(["price"]).transform("fillna")
with pytest.raises(ValueError, match="Must specify a fill 'value' or 'method'"):
df.groupby(["price"]).fillna()


def test_transform_transformation_func(transformation_func):
# GH 30918
df = DataFrame(
Expand Down