Skip to content

TST: add test for df.where() with category dtype #29454

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
gfyoung merged 5 commits into from
Nov 8, 2019
Merged

TST: add test for df.where() with category dtype #29454

Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
e605559
add test for df where with category dtype
ganevgv Nov 7, 2019
062d281
use parameterization
ganevgv Nov 7, 2019
c7913ab
add new test for astype category
ganevgv Nov 7, 2019
35e91f9
format test
ganevgv Nov 8, 2019
602ac06
remove test for astype category
ganevgv Nov 8, 2019
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
13 changes: 13 additions & 0 deletions pandas/tests/frame/test_dtypes.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -815,6 +815,19 @@ def test_astype_extension_dtypes_duplicate_col(self, dtype):
expected = concat([a1.astype(dtype), a2.astype(dtype)], axis=1)
tm.assert_frame_equal(result, expected)

def test_df_where_with_category(self):
# GH 16979
df = DataFrame(np.arange(2 * 3).reshape(2, 3), columns=list("ABC"))
mask = np.array([[True, False, True], [False, True, True]])
# change type to category
df.A = df.A.astype("category")
df.B = df.B.astype("category")
df.C = df.C.astype("category")

expected = df.A.where(mask[:, 0])
result = df.A.where(mask[:, 0], other=None)
tm.assert_series_equal(result, expected)

@pytest.mark.parametrize(
"dtype", [{100: "float64", 200: "uint64"}, "category", "float64"]
)
Expand Down