from dataclasses import dataclass
from datetime import datetime, timezone
from decimal import Decimal
from typing import List
from uuid import UUID, uuid4

from dataclasses_json import DataClassJsonMixin


@dataclass
class Foo(DataClassJsonMixin):
    f1: datetime
    f2: Decimal
    f3: UUID

@dataclass
class Bar(DataClassJsonMixin):
    f1: List[datetime]
    f2: List[Decimal]
    f3: List[UUID]


def test_foo():
    foo_obj = Foo(
        f1=datetime.now(tz=timezone.utc),
        f2=Decimal(314),
        f3=uuid4(),
    )
    assert Foo.from_json(foo_obj.to_json()) == foo_obj

def test_bar():
    bar_obj = Bar(
        f1=[datetime.now(tz=timezone.utc)],
        f2=[Decimal(314)],
        f3=[uuid4()],
    )
    assert Bar.from_json(bar_obj.to_json()) == bar_obj