153 lines
4.0 KiB
Python
153 lines
4.0 KiB
Python
import dataclasses
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import pytest
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from sqlalchemy.orm import DeclarativeBase, Mapped, MappedAsDataclass, mapped_column
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from typing_extensions import assert_type
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import reflex as rx
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from reflex.utils.types import GenericType
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from reflex.vars.base import Var
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from reflex.vars.object import LiteralObjectVar, ObjectVar
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from reflex.vars.sequence import ArrayVar
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class Bare:
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"""A bare class with a single attribute."""
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quantity: int = 0
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@rx.serializer
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def serialize_bare(obj: Bare) -> dict:
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"""A serializer for the bare class.
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Args:
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obj: The object to serialize.
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Returns:
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A dictionary with the quantity attribute.
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"""
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return {"quantity": obj.quantity}
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class Base(rx.Base):
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"""A reflex base class with a single attribute."""
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quantity: int = 0
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class SqlaBase(DeclarativeBase, MappedAsDataclass):
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"""Sqlalchemy declarative mapping base class."""
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pass
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class SqlaModel(SqlaBase):
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"""A sqlalchemy model with a single attribute."""
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__tablename__: str = "sqla_model"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True, init=False)
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quantity: Mapped[int] = mapped_column(default=0)
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@dataclasses.dataclass
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class Dataclass:
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"""A dataclass with a single attribute."""
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quantity: int = 0
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class ObjectState(rx.State):
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"""A reflex state with bare, base and sqlalchemy base vars."""
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bare: rx.Field[Bare] = rx.field(Bare())
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base: rx.Field[Base] = rx.field(Base())
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sqlamodel: rx.Field[SqlaModel] = rx.field(SqlaModel())
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dataclass: rx.Field[Dataclass] = rx.field(Dataclass())
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base_list: rx.Field[list[Base]] = rx.field([Base()])
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@pytest.mark.parametrize("type_", [Base, Bare, SqlaModel, Dataclass])
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def test_var_create(type_: GenericType) -> None:
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my_object = type_()
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var = Var.create(my_object)
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assert var._var_type is type_
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quantity = var.quantity
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assert quantity._var_type is int
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@pytest.mark.parametrize("type_", [Base, Bare, SqlaModel, Dataclass])
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def test_literal_create(type_: GenericType) -> None:
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my_object = type_()
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var = LiteralObjectVar.create(my_object)
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assert var._var_type is type_
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quantity = var.quantity
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assert quantity._var_type is int
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@pytest.mark.parametrize("type_", [Base, Bare, SqlaModel, Dataclass])
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def test_guess(type_: GenericType) -> None:
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my_object = type_()
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var = Var.create(my_object)
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var = var.guess_type()
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assert var._var_type is type_
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quantity = var.quantity
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assert quantity._var_type is int
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@pytest.mark.parametrize("type_", [Base, Bare, SqlaModel, Dataclass])
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def test_state(type_: GenericType) -> None:
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attr_name = type_.__name__.lower()
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var = getattr(ObjectState, attr_name)
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assert var._var_type is type_
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quantity = var.quantity
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assert quantity._var_type is int
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@pytest.mark.parametrize("type_", [Base, Bare, SqlaModel, Dataclass])
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def test_state_to_operation(type_: GenericType) -> None:
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attr_name = type_.__name__.lower()
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original_var = getattr(ObjectState, attr_name)
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var = original_var.to(ObjectVar, type_)
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assert var._var_type is type_
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var = original_var.to(ObjectVar)
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assert var._var_type is type_
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def test_typing() -> None:
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# Bare
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var = ObjectState.bare.to(ObjectVar)
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_ = assert_type(var, ObjectVar[Bare])
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# Base
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var = ObjectState.base
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_ = assert_type(var, ObjectVar[Base])
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list_var = ObjectState.base_list
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_ = assert_type(list_var, ArrayVar[list[Base]])
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list_var_0 = list_var[0]
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_ = assert_type(list_var_0, ObjectVar[Base])
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# Sqla
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var = ObjectState.sqlamodel
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_ = assert_type(var, ObjectVar[SqlaModel])
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list_var = ObjectState.base_list
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_ = assert_type(list_var, ArrayVar[list[Base]])
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list_var_0 = list_var[0]
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_ = assert_type(list_var_0, ObjectVar[Base])
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# Dataclass
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var = ObjectState.dataclass
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_ = assert_type(var, ObjectVar[Dataclass])
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list_var = ObjectState.base_list
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_ = assert_type(list_var, ArrayVar[list[Base]])
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list_var_0 = list_var[0]
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_ = assert_type(list_var_0, ObjectVar[Base])
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