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Add regression test for nested meta path in json_normalize #34090

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May 9, 2020
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Add regression test for nested meta path in json_normalize #34090

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20 changes: 20 additions & 0 deletions pandas/tests/io/json/test_normalize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -284,6 +284,26 @@ def test_shallow_nested(self):
expected = DataFrame(ex_data, columns=result.columns)
tm.assert_frame_equal(result, expected)

def test_nested_meta_path_with_nested_record_path(self, state_data):
# GH 27220
result = json_normalize(
data=state_data,
record_path=["counties"],
meta=["state", "shortname", ["info", "governor"]],
errors="ignore",
)

ex_data = {
"name": ["Dade", "Broward", "Palm Beach", "Summit", "Cuyahoga"],
"population": [12345, 40000, 60000, 1234, 1337],
"state": ["Florida"] * 3 + ["Ohio"] * 2,
"shortname": ["FL"] * 3 + ["OH"] * 2,
"info.governor": ["Rick Scott"] * 3 + ["John Kasich"] * 2,
}

expected = DataFrame(ex_data)
tm.assert_frame_equal(result, expected)

def test_meta_name_conflict(self):
data = [
{
Expand Down