def signed_attributes_fixture(signed_data_fixture, certificates_fixture):
leaf_cert, _ = certificates_fixture
signer_info = applepay_utils.get_first_from_iterable(
filter_func=lambda signer: signer['sid'].chosen[
'serial_number'].native == leaf_cert.serial_number,
iterable=signed_data_fixture['signer_infos'])
return signer_info['signed_attrs']
def test_get_first_from_iterable_does_not_match():
# Given an iterable
i = range(5)
# Given a filter function which will not find any matches
def f(x):
return False
# When we get the first match get_first_from_iterableom the iterable
first_match = applepay_utils.get_first_from_iterable(f, i)
# Then the returned match is None
assert first_match is None
def test_get_first_from_iterable_finds_first_of_many_matches():
# Given an iterable
i = range(5)
# Given a filter function which will find more than 1 match
def f(x):
return x in range(1, 5)
# When we get the first match from the iterable
first_match = applepay_utils.get_first_from_iterable(f, i)
# Then the returned match is the expected value
assert first_match == 1
def test_get_first_from_iterable_finds_single_match():
# Given an iterable
i = range(5)
# Given a filter function which will find 1 match
def f(x):
return x == 3
# When we get the first match from the iterable
first_match = applepay_utils.get_first_from_iterable(f, i)
# Then the returned match is the expected value
assert first_match == 3
