def test_should_correctly_represent_field_part(self, enumeration,
representation,
hexadecimal):
part = FieldPart('flags', 20, 6, enumeration, hex=hexadecimal)
part.value = 17
assert representation == repr(part)
def test_should_raise_error_when_value_is_not_valid_boundaries(
self, value):
part = FieldPart('banana', 2, 3)
with pytest.raises(ValueError) as exc_info:
part.value = value
assert f'{part.name} value must be between 0 and 7 but you provided {value}' == str(
exc_info.value)
def test_should_raise_error_when_given_value_is_not_of_correct_type(
self, value):
part = FieldPart('banana', 2, 3)
with pytest.raises(TypeError) as exc_info:
part.value = value
assert f'{part.name} value must be a positive integer but you provided {value}' == str(
exc_info.value)
def test_should_set_field_part_value_when_given_value_is_correct(self):
part = FieldPart('part', 2, 3)
given_value = 6
part.value = given_value
assert given_value == part.value