b5d1e03de1
* improve object var symantics * add case for serializers * check against serializer with to = dict * add tests * fix typing issues * remove default value * older version of python doesn't have assert type * add base to rx field cases * get it from typing_extension
103 lines
2.4 KiB
Python
103 lines
2.4 KiB
Python
import pytest
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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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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 ObjectState(rx.State):
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"""A reflex state with bare and base objects."""
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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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@pytest.mark.parametrize("type_", [Base, Bare])
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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])
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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])
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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])
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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])
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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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