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TST: added tests for to_json when called on complex data (GH41174) #43258

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Aug 30, 2021
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TST: added tests for to_json when called on complex data (GH41174) #43258

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38 changes: 38 additions & 0 deletions pandas/tests/io/json/test_pandas.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1782,3 +1782,41 @@ def e(self):
# JSON keys should be all non-callable non-underscore attributes, see GH-42768
series = Series([_TestObject(a=1, b=2, _c=3, d=4)])
assert json.loads(series.to_json()) == {"0": {"a": 1, "b": 2, "d": 4}}

@pytest.mark.parametrize(
"data,expected",
[
(
Series({0: -6 + 8j, 1: 0 + 1j, 2: 9 - 5j}),
'{"0":{"imag":8.0,"real":-6.0},'
'"1":{"imag":1.0,"real":0.0},'
'"2":{"imag":-5.0,"real":9.0}}',
),
(
Series({0: -9.39 + 0.66j, 1: 3.95 + 9.32j, 2: 4.03 - 0.17j}),
'{"0":{"imag":0.66,"real":-9.39},'
'"1":{"imag":9.32,"real":3.95},'
'"2":{"imag":-0.17,"real":4.03}}',
),
(
DataFrame([[-2 + 3j, -1 - 0j], [4 - 3j, -0 - 10j]]),
'{"0":{"0":{"imag":3.0,"real":-2.0},'
'"1":{"imag":-3.0,"real":4.0}},'
'"1":{"0":{"imag":0.0,"real":-1.0},'
'"1":{"imag":-10.0,"real":0.0}}}',
),
(
DataFrame(
[[-0.28 + 0.34j, -1.08 - 0.39j], [0.41 - 0.34j, -0.78 - 1.35j]]
),
'{"0":{"0":{"imag":0.34,"real":-0.28},'
'"1":{"imag":-0.34,"real":0.41}},'
'"1":{"0":{"imag":-0.39,"real":-1.08},'
'"1":{"imag":-1.35,"real":-0.78}}}',
),
],
)
def test_complex_data_tojson(self, data, expected):
# GH41174
result = data.to_json()
assert result == expected