def test_should_add_ok_when_nanos_have_different_signs(self): the_sum = money.add(self._SOME_YEN, self._SOME_YEN_DEBT) want_units = self._SOME_YEN_DEBT.units + self._SOME_YEN.units - 1 expect(the_sum.units).to(equal(want_units)) expect(the_sum.nanos).to(equal(money.MAX_NANOS)) the_sum = money.add(self._SOME_MORE_YEN, self._SOME_YEN_DEBT) want_units = self._SOME_YEN_DEBT.units + self._SOME_YEN.units - 1 expect(the_sum.units).to(equal(want_units)) expect(the_sum.nanos).to(equal(1 - money.MAX_NANOS))
def test_should_fail_if_non_money_is_used(self): testfs = [ lambda: money.add(self._SOME_YEN, object()), lambda: money.add(object(), self._SOME_USD), lambda: money.add(None, self._SOME_USD), lambda: money.add(self._SOME_YEN, None), ] for testf in testfs: expect(testf).to(raise_error(ValueError))
def test_should_fail_if_non_money_is_used(self): testfs = [ lambda: money.add(self._SOME_YEN, object()), lambda: money.add(object(), self._SOME_USD), lambda: money.add(None, self._SOME_USD), lambda: money.add(self._SOME_YEN, None), ] for testf in testfs: expect(testf).to(raise_error(ValueError))
def test_should_add_ok_when_nanos_have_different_signs(self): the_sum = money.add(self._SOME_YEN, self._SOME_YEN_DEBT) want_units = self._SOME_YEN_DEBT.units + self._SOME_YEN.units - 1 expect(the_sum.units).to(equal(want_units)) expect(the_sum.nanos).to(equal(money.MAX_NANOS)) the_sum = money.add(self._SOME_MORE_YEN, self._SOME_YEN_DEBT) want_units = self._SOME_YEN_DEBT.units + self._SOME_YEN.units - 1 expect(the_sum.units).to(equal(want_units)) expect(the_sum.nanos).to(equal(1 - money.MAX_NANOS))
def test_should_allow_positive_overflows(self): overflowing = money.add(self._SOME_YEN, self._LARGE_YEN, allow_overflow=True) expect(overflowing.units).to(equal(self._INT64_MAX)) expect(overflowing.nanos).to(equal(money.MAX_NANOS))
def test_should_fail_on_unallowed_positive_overflows(self): testf = lambda: money.add(self._SOME_YEN, self._LARGE_YEN) expect(testf).to(raise_error(OverflowError))
def test_should_fail_on_currency_mismatch(self): testf = lambda: money.add(self._SOME_YEN, self._SOME_USD) expect(testf).to(raise_error(ValueError))
def test_should_add_ok_when_nanos_have_same_sign(self): the_sum = money.add(self._SOME_YEN, self._SOME_YEN) expect(the_sum.units).to(equal(2 * self._SOME_YEN.units))
def test_should_allow_negative_overflows(self): overflowing = money.add(self._SOME_YEN_DEBT, self._LARGE_YEN_DEBT, allow_overflow=True) expect(overflowing.units).to(equal(self._INT64_MIN)) expect(overflowing.nanos).to(equal(-money.MAX_NANOS))
def test_should_allow_negative_overflows(self): overflowing = money.add(self._SOME_YEN_DEBT, self._LARGE_YEN_DEBT, allow_overflow=True) expect(overflowing.units).to(equal(self._INT64_MIN)) expect(overflowing.nanos).to(equal(-money.MAX_NANOS))
def test_should_fail_on_unallowed_negative_overflows(self): testf = lambda: money.add(self._SOME_YEN_DEBT, self._LARGE_YEN_DEBT) expect(testf).to(raise_error(OverflowError))
def test_should_allow_positive_overflows(self): overflowing = money.add(self._SOME_YEN, self._LARGE_YEN, allow_overflow=True) expect(overflowing.units).to(equal(self._INT64_MAX)) expect(overflowing.nanos).to(equal(money.MAX_NANOS))
def test_should_fail_on_currency_mismatch(self): testf = lambda: money.add(self._SOME_YEN, self._SOME_USD) expect(testf).to(raise_error(ValueError))
def test_should_add_ok_when_nanos_have_same_sign(self): the_sum = money.add(self._SOME_YEN, self._SOME_YEN) expect(the_sum.units).to(equal(2 * self._SOME_YEN.units))