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TST: Add test to verify 'dropna' behaviour on SparseArray #34879

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Merged
merged 3 commits into from
Jun 20, 2020
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TST: Add test to verify 'dropna' behaviour on SparseArray #34879

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dd4c22c
Add test to verify `dropna` behaviour on `pd.SparseArray`
MBrouns Jun 20, 2020
0526b8e
parametrize fill_value on SparseArray dropna test
MBrouns Jun 20, 2020
eb1f881
Update pandas/tests/arrays/sparse/test_array.py
MBrouns Jun 20, 2020
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parametrize fill_value on SparseArray dropna test
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@MBrouns
MBrouns committed Jun 20, 2020
commit 0526b8e4ca8792c1d8058b29a182647a737e115e
7 changes: 4 additions & 3 deletions pandas/tests/arrays/sparse/test_array.py
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Expand Up @@ -1297,10 +1297,11 @@ def test_map_missing():
tm.assert_sp_array_equal(result, expected)


def test_dropna_sparse_column_doesnt_drop_nonna():
@pytest.mark.parametrize("fill_value", [np.nan, 1])
def test_dropna_sparse_column_doesnt_drop_nonna(fill_value):
# GH-28287
arr = SparseArray([np.nan, 1])
exp = SparseArray([1.0])
arr = SparseArray([np.nan, 1], fill_value=fill_value)
exp = SparseArray([1.0], fill_value=fill_value)
tm.assert_sp_array_equal(arr.dropna(), exp)

df = pd.DataFrame({"a": [0, 1], "b": arr})
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