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TST: Add test for nested JSON normalization #29225

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merged 1 commit into from
Oct 25, 2019
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TST: Add test for nested JSON normalization #29225

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8 changes: 8 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 @@ -457,6 +457,14 @@ def test_max_level_with_records_path(self, max_level, expected):
expected_df = DataFrame(data=expected, columns=result.columns.values)
tm.assert_equal(expected_df, result)

def test_nested_flattening_consistent(self):
# see gh-21537
df1 = json_normalize([{"A": {"B": 1}}])
df2 = json_normalize({"dummy": [{"A": {"B": 1}}]}, "dummy")

# They should be the same.
tm.assert_frame_equal(df1, df2)


class TestNestedToRecord:
def test_flat_stays_flat(self):
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