def test_maybe_mangle_lambdas_listlike():
aggfuncs = [lambda x: 1, lambda x: 2]
result = maybe_mangle_lambdas(aggfuncs)
assert result[0].__name__ == "<lambda_0>"
assert result[1].__name__ == "<lambda_1>"
assert aggfuncs[0](None) == result[0](None)
assert aggfuncs[1](None) == result[1](None)
def test_maybe_mangle_lambdas_args():
func = {"A": [lambda x, a, b=1: (0, a, b), lambda x: 1]}
result = maybe_mangle_lambdas(func)
assert result["A"][0].__name__ == "<lambda_0>"
assert result["A"][1].__name__ == "<lambda_1>"
assert func["A"][0](0, 1) == (0, 1, 1)
assert func["A"][0](0, 1, 2) == (0, 1, 2)
assert func["A"][0](0, 2, b=3) == (0, 2, 3)
def test_maybe_mangle_lambdas_passthrough():
assert maybe_mangle_lambdas("mean") == "mean"
assert maybe_mangle_lambdas(lambda x: x).__name__ == "<lambda>"
# don't mangel single lambda.
assert maybe_mangle_lambdas([lambda x: x])[0].__name__ == "<lambda>"
def test_maybe_mangle_lambdas_named():
func = {"C": np.mean, "D": {"foo": np.mean, "bar": np.mean}}
result = maybe_mangle_lambdas(func)
assert result == func
def test_maybe_mangle_lambdas():
func = {"A": [lambda x: 0, lambda x: 1]}
result = maybe_mangle_lambdas(func)
assert result["A"][0].__name__ == "<lambda_0>"
assert result["A"][1].__name__ == "<lambda_1>"