def test_custom_currency():
class EUR(BaseCurrency):
pass
c1 = Currency("EUR")
assert c1 != Money(0, EUR)
assert c1.decimal_digits == 2
c2 = Currency(c1)
assert c2.ticker == "EUR"
assert c2 == c1
assert str(c2) == "EUR"
assert c2 == "EUR"
c3 = Currency()
assert c3.ticker == ""
assert c3 != c1
assert c3 == ""
assert str(c3) == ""
assert c3 != Money(0, EUR)
c4 = Currency(EUR)
assert c4.ticker == "EUR"
assert c4 == c1
assert c4 == "EUR"
CARLOS = Currency("CarlosCoin", decimal_digits=0)
assert CARLOS.ticker == "CarlosCoin"
m = Money(100, CARLOS)
assert str(m) == "100 CarlosCoin"
def test_asdict():
assert Money(1338, currency=Currency.SEK).asdict() == {
"value": "1338.00 SEK",
"units": 1338,
"nanos": 0,
"currency_code": "SEK",
}
assert Money("1338.4711", currency=Currency.SEK).as_dict() == {
"value": "1338.4711 SEK",
"units": 1338,
"nanos": 471100000,
"currency_code": "SEK",
}
assert dict(Money("0.123456", currency="SEK")) == {
"value": "0.123456 SEK",
"units": 0,
"nanos": 123456000,
"currency_code": "SEK",
}
assert dict(Money("0.1", currency=Currency("SEK"))) == {
"value": "0.10 SEK",
"units": 0,
"nanos": 100000000,
"currency_code": "SEK",
}
assert Money(1338, currency=Currency.SEK).keys() == [
"value", "units", "nanos", "currency_code"
]
assert Money(1338, currency=Currency.SEK)["units"] == 1338
assert Money(1338, currency=Currency.SEK)["value"] == "1338.00 SEK"
with pytest.raises(KeyError):
Money(1338, currency=Currency.SEK)["does_not_exist"]
def test_metacurrency():
class EUR(Currency):
pass
class SEK(Currency):
pass
class DogeCoin(Currency):
ticker = "DOGE"
class AppleStock(Currency):
ticker = "APPL"
EUR2 = Currency("EUR")
assert EUR
assert EUR == "EUR"
assert EUR != "EUR2"
assert EUR == EUR2
assert EUR != SEK
m1 = Money(100, EUR)
m2 = Money(100, "EUR")
m3 = Money(100, EUR2)
assert m1 == m2
assert m1 == m3
stock = Money(5, AppleStock)
assert stock == "5.00 APPL"
assert stock > 0
assert stock < 10
assert str(stock) == "5.00 APPL"
assert f"{stock:c}" == "APPL"
assert str(EUR) == "EUR"
assert str(SEK) == "SEK"
assert str(AppleStock) == "APPL"
assert repr(EUR) == '<stockholm.Currency: "EUR">'
assert repr(AppleStock) == '<stockholm.Currency: "APPL">'
assert EUR is not None
assert EUR != ""
assert EUR != 0
assert EUR != Money(0, EUR)
class CurrencyConcept(Currency):
ticker = None
assert not bool(CurrencyConcept)
assert CurrencyConcept != EUR
assert CurrencyConcept == CurrencyConcept
assert not CurrencyConcept
assert CurrencyConcept is not None
assert CurrencyConcept is not False
assert CurrencyConcept is not True
assert CurrencyConcept == ""
assert CurrencyConcept != 0
assert CurrencyConcept != Money(0, EUR)
def test_currency_hashable() -> None:
EUR = Currency("EUR")
class SEK(Currency):
pass
assert hash(EUR)
assert hash(SEK)
def test_currency_to_money():
currency = Currency("NEW")
assert str(currency.money(100)) == "100.00 NEW"
assert str(Currency.SEK.money(100)) == "100.00 SEK"
assert str(Currency.JPY.money(100)) == "100 JPY"
assert str(JPY.money(100)) == "100 JPY"
assert str(stockholm.currency.Bitcoin.money("1.523")) == "1.523 BTC"
def test_currency():
EUR = Currency("EUR")
assert str(EUR) == "EUR"
assert repr(EUR) == '<stockholm.Currency: "EUR">'
m = Money(100, EUR)
assert str(m) == "100.00 EUR"
assert isinstance(m.currency, Currency)
assert str(m.currency) == "EUR"
assert str(m.currency.ticker) == "EUR"
def test_currency_arithmetics():
EUR = Currency("EUR")
SEK = Currency("SEK")
assert EUR
assert EUR == "EUR"
assert EUR != "SEK"
assert EUR != SEK
assert EUR != ""
assert EUR != 0
assert EUR is not False
m1 = Money(100, EUR)
m2 = Money(100, "EUR")
assert m1 == m2
m3 = Money(100, "SEK")
assert m1 != m3
m4 = Money(100, SEK)
assert m1 != m4
assert m3 == m4
def test_currency_constructors():
currency = Currency("NEW")
assert currency
assert currency.ticker == "NEW"
with pytest.raises(TypeError):
currency("NEW")
with pytest.raises(TypeError):
Currency.SEK("NEW")
with pytest.raises(TypeError):
JPY("NEW")
def test_custom_currency():
class EUR(Currency):
pass
c1 = Currency("EUR")
assert c1 != Money(0, EUR)
c2 = Currency(c1)
assert c2.ticker == "EUR"
assert c2 == c1
assert str(c2) == "EUR"
assert c2 == "EUR"
c3 = Currency()
assert c3.ticker == ""
assert c3 != c1
assert c3 == ""
assert str(c3) == ""
assert c3 != Money(0, EUR)
c4 = Currency(EUR)
assert c4.ticker == "EUR"
assert c4 == c1
assert c4 == "EUR"
def test_immutability():
class EUR(Currency):
pass
BTC = Currency("BTC")
with pytest.raises(AttributeError):
EUR.ticker = "USD"
with pytest.raises(AttributeError):
BTC.ticker = "ETH"
with pytest.raises(AttributeError):
del EUR.ticker
with pytest.raises(AttributeError):
del BTC.ticker
def test_currency():
EUR = Currency("EUR")
assert str(EUR) == "EUR"
assert EUR.as_string() == "EUR"
assert EUR.as_str() == "EUR"
assert repr(EUR) == '<stockholm.Currency: "EUR">'
assert repr(type(EUR)) == "<class 'stockholm.currency.Currency'>"
assert str(type(EUR)) == "<class 'stockholm.currency.Currency'>"
assert repr(Currency) == "<class 'stockholm.currency.Currency'>"
assert str(Currency) == "<class 'stockholm.currency.Currency'>"
m = Money(100, EUR)
assert str(m) == "100.00 EUR"
assert isinstance(m.currency, BaseCurrency)
assert str(m.currency) == "EUR"
assert str(m.currency.ticker) == "EUR"
assert m.currency_code == "EUR"
assert EUR.decimal_digits == 2
import stockholm.currency
from stockholm import BaseCurrency, Currency, Money, get_currency
assert Money(100, stockholm.currency.EUR) == Money("100 EUR")
assert Money(100, BaseCurrency("SEK")) == Money("100 SEK")
assert Money(100, Currency("USD")) == Money("100 USD")
assert Money(100, Currency.GBP) == Money("100 GBP")
assert Money(100, Currency.DKK) == Money("100 DKK")
assert Money(100, get_currency("JPY")) == Money("100 JPY")
assert Money(100) == Money("100")
assert isinstance(stockholm.currency.EUR, BaseCurrency)
assert isinstance(BaseCurrency("SEK"), BaseCurrency)
assert isinstance(Currency("USD"), BaseCurrency)
assert isinstance(Currency.GBP, BaseCurrency)
assert isinstance(Currency.DKK, BaseCurrency)
assert isinstance(get_currency("JPY"), BaseCurrency)
assert Currency("SEK") == stockholm.currency.SEK == get_currency("SEK") == Currency.SEK == BaseCurrency("SEK")
assert Money(100, BaseCurrency("SEK")).currency == stockholm.currency.SEK
assert Money(100, BaseCurrency(stockholm.currency.SEK)).currency == stockholm.currency.SEK
assert Money(100, BaseCurrency(Currency.SEK)).currency == stockholm.currency.SEK
assert Money(100, Currency(stockholm.currency.SEK)).currency == stockholm.currency.SEK
assert Money(100, Currency(Currency.SEK)).currency == stockholm.currency.SEK
def test_currency_types() -> None:
assert JPY == Currency("JPY")
assert JPY.decimal_digits == 0
assert Currency.JPY.decimal_digits == 0
JPY2 = get_currency("JPY")
assert JPY2 == "JPY"
assert JPY == JPY2
assert JPY2.decimal_digits == 0
IQD2 = get_currency("IQD")
assert IQD2.decimal_digits == 3
BABA = get_currency("BABA")
assert BABA.ticker == "BABA"
assert BABA.decimal_digits == 2
assert USD.decimal_digits == 2
assert Currency.USD.decimal_digits == 2
assert USD is Currency.USD
assert USD is not Currency.SEK
assert USD is not Currency("USD")
assert Currency("USD") is not Currency("USD")
assert USD == Currency.USD
assert USD != Currency.SEK
assert Currency.USD == "USD"
assert Currency.USD.as_string() == "USD"
assert Currency.USD.as_str() == "USD"
m = Money(57167, JPY)
assert f"{m}" == "57167 JPY"
assert m.as_string(max_decimals=5) == "57167 JPY"
assert m.as_string(min_decimals=4, max_decimals=5) == "57167.0000 JPY"
m = Money(57167, USD)
assert f"{m}" == "57167.00 USD"
assert m.as_string(max_decimals=5) == "57167.00 USD"
assert m.as_string(min_decimals=4, max_decimals=5) == "57167.0000 USD"
m = Money(57167, IQD)
assert f"{m}" == "57167.000 IQD"
assert m.as_string(min_decimals=2) == "57167.00 IQD"
assert m.as_string(max_decimals=5) == "57167.000 IQD"
m = Money("0.445", CLF)
assert f"{m}" == "0.4450 CLF"
assert m.as_string(min_decimals=2) == "0.445 CLF"
assert m.as_string(max_decimals=3) == "0.445 CLF"
assert m.as_string(max_decimals=2) == "0.45 CLF"
assert m.as_string(max_decimals=5) == "0.4450 CLF"
m1 = Money("0.30285471", Bitcoin)
m2 = Money("0.30285471", XBT)
m3 = Money("0.30285471", Ethereum)
assert m1 == m2
assert m1 != m3
assert f"{m1}" == "0.30285471 BTC"
assert f"{m2}" == "0.30285471 BTC"
m = Money(4711, Currency.SEK, from_sub_units=True)
assert m == "47.11"
assert m.sub_units == 4711
m = Money(4711, Currency.SEK, from_sub_units=False)
assert m == 4711
assert m.sub_units == 471100
assert str(Money.from_sub_units(1000, Currency.SEK)) == "10.00 SEK"
m = Money(1000, Currency.JPY, from_sub_units=True)
assert m == 1000
assert m.sub_units == 1000
m = Money(1000, Currency.JPY, from_sub_units=False)
assert m == 1000
assert m.sub_units == 1000
assert str(Money.from_sub_units(1000, Currency.JPY)) == "1000 JPY"
m = Money(1000, Currency.IQD, from_sub_units=True)
assert m == 1
assert m.sub_units == 1000
m = Money(1000, Currency.IQD, from_sub_units=False)
assert m == 1000
assert m.sub_units == 1000000
m = Money(1000, Currency.CLF, from_sub_units=True)
assert m == Money("0.1")
assert m.sub_units == 1000
m = Money(1000, Currency.CLF, from_sub_units=False)
assert m == 1000
assert m.sub_units == 10000000
assert str(Money.from_sub_units(4711, Currency.CLF)) == "0.4711 CLF"
assert str(Money.from_sub_units(471100)) == "4711.00"
assert str(Money.from_sub_units(4711)) == "47.11"
assert str(Money.from_sub_units(4711, "XXX")) == "47.11 XXX"
assert Money.from_sub_units(4711).sub_units == 4711
assert Money.from_sub_units(4711, "XXX").sub_units == 4711
assert Money("1").sub_units == 100
assert Money("0.1").sub_units == 10
assert Money("0.01").sub_units == 1
assert Money("0.001").sub_units == Decimal("0.1")
assert str(Money("0.01").sub_units) == "1"
assert str(Money("0.01", currency="SEK").sub_units) == "1"
assert str(Money("100.50", currency="SEK").sub_units) == "10050"
assert "." in str(Money("100.10", Currency.JPY).sub_units)
assert str(round(Money("100.10", Currency.JPY).sub_units)) == "100"
assert Money("1", Currency.JPY).sub_units == 1
assert Money("0.1", Currency.JPY).sub_units == Decimal("0.1")
assert Money("0.01", Currency.JPY).sub_units == Decimal("0.01")
assert Money("0.001", Currency.JPY).sub_units == Decimal("0.001")
assert Money("1", Currency.SEK, from_sub_units=True).sub_units == 1
assert Money("133742", Currency.SEK,
from_sub_units=True).sub_units == 133742
assert str(
Money.from_sub_units(
Money("133742", Currency.SEK,
from_sub_units=True).to_sub_units())) == "1337.42 SEK"