Inzynierka/Lib/site-packages/pandas/tests/arrays/boolean/test_ops.py
2023-06-02 12:51:02 +02:00

28 lines
975 B
Python

import pandas as pd
import pandas._testing as tm
class TestUnaryOps:
def test_invert(self):
a = pd.array([True, False, None], dtype="boolean")
expected = pd.array([False, True, None], dtype="boolean")
tm.assert_extension_array_equal(~a, expected)
expected = pd.Series(expected, index=["a", "b", "c"], name="name")
result = ~pd.Series(a, index=["a", "b", "c"], name="name")
tm.assert_series_equal(result, expected)
df = pd.DataFrame({"A": a, "B": [True, False, False]}, index=["a", "b", "c"])
result = ~df
expected = pd.DataFrame(
{"A": expected, "B": [False, True, True]}, index=["a", "b", "c"]
)
tm.assert_frame_equal(result, expected)
def test_abs(self):
# matching numpy behavior, abs is the identity function
arr = pd.array([True, False, None], dtype="boolean")
result = abs(arr)
tm.assert_extension_array_equal(result, arr)