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Extend eval test of standard functions to cover python engine. #58393

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Apr 24, 2024
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Extend eval test of standard functions to cover python engine. #58393

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12 changes: 5 additions & 7 deletions pandas/tests/computation/test_eval.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1609,22 +1609,20 @@ def eval(self, *args, **kwargs):
kwargs["level"] = kwargs.pop("level", 0) + 1
return pd.eval(*args, **kwargs)

@pytest.mark.skipif(
not NUMEXPR_INSTALLED, reason="Unary ops only implemented for numexpr"
)
@pytest.mark.filterwarnings("ignore::RuntimeWarning")
@pytest.mark.parametrize("fn", _unary_math_ops)
def test_unary_functions(self, fn):
def test_unary_functions(self, fn, engine, parser):
df = DataFrame({"a": np.random.default_rng(2).standard_normal(10)})
a = df.a

expr = f"{fn}(a)"
got = self.eval(expr)
got = self.eval(expr, engine=engine, parser=parser)
with np.errstate(all="ignore"):
expect = getattr(np, fn)(a)
tm.assert_series_equal(got, expect, check_names=False)

@pytest.mark.parametrize("fn", _binary_math_ops)
def test_binary_functions(self, fn):
def test_binary_functions(self, fn, engine, parser):
df = DataFrame(
{
"a": np.random.default_rng(2).standard_normal(10),
Expand All @@ -1635,7 +1633,7 @@ def test_binary_functions(self, fn):
b = df.b

expr = f"{fn}(a, b)"
got = self.eval(expr)
got = self.eval(expr, engine=engine, parser=parser)
with np.errstate(all="ignore"):
expect = getattr(np, fn)(a, b)
tm.assert_almost_equal(got, expect, check_names=False)
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