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TST: add tests for parser functions being pickle-able. #48389

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Merged
merged 1 commit into from
Sep 6, 2022
Merged

TST: add tests for parser functions being pickle-able. #48389

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21 changes: 21 additions & 0 deletions pandas/tests/io/test_common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
import mmap
import os
from pathlib import Path
import pickle
import tempfile

import pytest
Expand Down Expand Up @@ -604,3 +605,23 @@ def close(self):
with BytesIO() as buffer:
with icom.get_handle(buffer, "rb") as handles:
handles.created_handles.append(TestError())


@pytest.mark.parametrize(
"reader",
[
pd.read_csv,
pd.read_fwf,
pd.read_excel,
pd.read_feather,
pd.read_hdf,
pd.read_stata,
pd.read_sas,
pd.read_json,
pd.read_pickle,
],
)
def test_pickle_reader(reader):
# GH 22265
with BytesIO() as buffer:
pickle.dump(reader, buffer)