def test_base_conversion_fail_when_currency_from_does_not_exist(self):
RateSource.objects.create(name="fake-backend")
with self.assertRaises(CurrencyConversionException) as cm:
base_convert_money(10.0, "PLN", "EUR")
self.assertIn("Rate for PLN in fake-backend do not exists", str(cm.exception))
def test_base_conversion_fail_when_currency_from_does_not_exist(set_up):
RateSource.objects.create(name="fake-backend")
with pytest.raises(CurrencyConversionException) as cm:
base_convert_money(10.0, "PLN", "EUR")
assert "Rate for PLN in fake-backend do not exists" in str(cm.value)
def test_base_conversion_fail_when_currency_to_does_not_exist(self):
source = RateSource.objects.create(name="fake-backend")
Rate.objects.create(source=source, currency="PLN", value=0.99999)
with self.assertRaises(CurrencyConversionException) as cm:
base_convert_money(10.0, "PLN", "EUR")
self.assertIn("Rate for EUR in fake-backend do not exists", str(cm.exception))
def test_base_conversion_is_working_from_other_currency(self):
source = RateSource.objects.create(name="fake-backend", base_currency="USD")
Rate.objects.create(source=source, currency="PLN", value=3.07)
Rate.objects.create(source=source, currency="EUR", value=0.74)
amount = base_convert_money(10.0, "PLN", "EUR")
self.assertEqual(amount, Decimal("2.41"))
def test_base_conversion_works_from_base_currency(self):
source = RateSource.objects.create(name="fake-backend", base_currency="USD")
Rate.objects.create(source=source, currency="USD", value=1)
Rate.objects.create(source=source, currency="EUR", value=0.74)
amount = base_convert_money(1, "USD", "EUR")
self.assertEqual(amount, Decimal("0.74"))
def test_base_conversion_fail_when_source_does_not_exist(set_up):
with pytest.raises(CurrencyConversionException) as cm:
base_convert_money(10.0, "PLN", "EUR")
assert "Rate for fake-backend source do not exists" in str(cm.value)
def test_base_conversion_fail_when_source_does_not_exist(self):
with self.assertRaises(CurrencyConversionException) as cm:
base_convert_money(10.0, "PLN", "EUR")
self.assertIn("Rate for fake-backend source do not exists", str(cm.exception))