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import pytest
from lagom.util.functional import arity, FunctionCollection
def _func_a():
pass
def _func_b():
@pytest.mark.parametrize(
"test_func,expected_arity",
[(lambda: 0, 0), (lambda x: x, 1), (lambda x, y: x + y, 2)],
x
y
)
def test_we_can_get_arity_from_functions(test_func, expected_arity: int):
assert arity(test_func) == expected_arity
def test_function_collections_are_the_same_if_they_have_the_same_functions():
assert FunctionCollection(_func_a, _func_b) == FunctionCollection(_func_a, _func_b)
def test_function_collections_have_equality_to_a_list_of_those_functions():
assert FunctionCollection(_func_a, _func_b) == [_func_a, _func_b]
def test_function_collections_are_iterable():
collected_funcs = [func for func in FunctionCollection(_func_a, _func_b)]
assert collected_funcs == [_func_a, _func_b]
meadsteve /
lagom
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