test_hash_model.py

# type: ignore

import abc
import dataclasses
import datetime
import decimal
import uuid
from collections import namedtuple
from typing import Dict, List, Optional, Set, Union
from unittest import mock

import pytest
import pytest_asyncio

from aredis_om import (
    Field,
    HashModel,
    Migrator,
    NotFoundError,
    QueryNotSupportedError,
    RedisModel,
    RedisModelError,
)

# We need to run this check as sync code (during tests) even in async mode
# because we call it in the top-level module scope.
from redis_om import has_redisearch
from tests._compat import ValidationError

from .conftest import py_test_mark_asyncio


if not has_redisearch():
    pytestmark = pytest.mark.skip

today = datetime.date.today()


@pytest_asyncio.fixture
async def m(key_prefix, redis):
    class BaseHashModel(HashModel, abc.ABC):
        class Meta:
            global_key_prefix = key_prefix

    class Order(BaseHashModel):
        total: decimal.Decimal
        currency: str
        created_on: datetime.datetime

    class Member(BaseHashModel):
        id: int = Field(index=True, primary_key=True)
        first_name: str = Field(index=True, case_sensitive=True)
        last_name: str = Field(index=True)
        email: str = Field(index=True)
        join_date: datetime.date
        age: int = Field(index=True, sortable=True)
        bio: str = Field(index=True, full_text_search=True)

        class Meta:
            model_key_prefix = "member"
            primary_key_pattern = ""

    await Migrator().run()

    return namedtuple("Models", ["BaseHashModel", "Order", "Member"])(
        BaseHashModel, Order, Member
    )


@pytest_asyncio.fixture
async def members(m):
    member1 = m.Member(
        id=0,
        first_name="Andrew",
        last_name="Brookins",
        email="a@example.com",
        age=38,
        join_date=today,
        bio="This is member 1 whose greatness makes him the life and soul of any party he goes to.",
    )

    member2 = m.Member(
        id=1,
        first_name="Kim",
        last_name="Brookins",
        email="k@example.com",
        age=34,
        join_date=today,
        bio="This is member 2 who can be quite anxious until you get to know them.",
    )

    member3 = m.Member(
        id=2,
        first_name="Andrew",
        last_name="Smith",
        email="as@example.com",
        age=100,
        join_date=today,
        bio="This is member 3 who is a funny and lively sort of person.",
    )
    await member1.save()
    await member2.save()
    await member3.save()

    yield member1, member2, member3


@py_test_mark_asyncio
async def test_exact_match_queries(members, m):
    member1, member2, member3 = members

    actual = await m.Member.find(m.Member.last_name == "Brookins").sort_by("age").all()
    assert actual == [member2, member1]

    actual = await m.Member.find(
        (m.Member.last_name == "Brookins") & ~(m.Member.first_name == "Andrew")
    ).all()
    assert actual == [member2]

    actual = await m.Member.find(~(m.Member.last_name == "Brookins")).all()
    assert actual == [member3]

    actual = await m.Member.find(m.Member.last_name != "Brookins").all()
    assert actual == [member3]

    actual = await (
        m.Member.find(
            (m.Member.last_name == "Brookins") & (m.Member.first_name == "Andrew")
            | (m.Member.first_name == "Kim")
        )
        .sort_by("age")
        .all()
    )
    assert actual == [member2, member1]

    actual = await m.Member.find(
        m.Member.first_name == "Kim", m.Member.last_name == "Brookins"
    ).all()
    assert actual == [member2]

    actual = await m.Member.find(m.Member.id == 0).all()
    assert actual == [member1]


@py_test_mark_asyncio
async def test_delete_non_exist(members, m):
    member1, member2, member3 = members
    actual = await m.Member.find(
        (m.Member.last_name == "Brookins") & ~(m.Member.first_name == "Andrew")
    ).all()
    assert actual == [member2]
    assert (
        1
        == await m.Member.find(
            (m.Member.last_name == "Brookins") & ~(m.Member.first_name == "Andrew")
        ).delete()
    )
    assert (
        0
        == await m.Member.find(
            (m.Member.last_name == "Brookins") & ~(m.Member.first_name == "Andrew")
        ).delete()
    )


@py_test_mark_asyncio
async def test_full_text_search_queries(members, m):
    member1, member2, member3 = members

    actual = await m.Member.find(m.Member.bio % "great").all()

    assert actual == [member1]

    actual = await m.Member.find(~(m.Member.bio % "anxious")).sort_by("age").all()

    assert actual == [member1, member3]


@py_test_mark_asyncio
@pytest.mark.xfail(strict=False)
async def test_pagination_queries(members, m):
    member1, member2, member3 = members

    actual = await m.Member.find(m.Member.last_name == "Brookins").page()

    assert actual == [member1, member2]

    actual = await m.Member.find().page(1, 1)

    assert actual == [member2]

    actual = await m.Member.find().page(0, 1)

    assert actual == [member1]


@py_test_mark_asyncio
async def test_recursive_query_resolution(members, m):
    member1, member2, member3 = members

    actual = await (
        m.Member.find(
            (m.Member.last_name == "Brookins")
            | (m.Member.age == 100) & (m.Member.last_name == "Smith")
        )
        .sort_by("age")
        .all()
    )
    assert actual == [member2, member1, member3]


@py_test_mark_asyncio
async def test_tag_queries_boolean_logic(members, m):
    member1, member2, member3 = members

    actual = await (
        m.Member.find(
            (m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
            | (m.Member.last_name == "Smith")
        )
        .sort_by("age")
        .all()
    )
    assert actual == [member1, member3]


@py_test_mark_asyncio
async def test_tag_queries_punctuation(m):
    member1 = m.Member(
        id=0,
        first_name="Andrew, the Michael",
        last_name="St. Brookins-on-Pier",
        email="a|b@example.com",  # NOTE: This string uses the TAG field separator.
        age=38,
        join_date=today,
        bio="This is a test user on our system.",
    )
    await member1.save()

    member2 = m.Member(
        id=1,
        first_name="Bob",
        last_name="the Villain",
        email="a|villain@example.com",  # NOTE: This string uses the TAG field separator.
        age=38,
        join_date=today,
        bio="This is a villain, they are a really bad person!",
    )
    await member2.save()

    result = await m.Member.find(m.Member.first_name == "Andrew, the Michael").first()
    assert result == member1

    result = await m.Member.find(m.Member.last_name == "St. Brookins-on-Pier").first()
    assert result == member1

    # Notice that when we index and query multiple values that use the internal
    # TAG separator for single-value exact-match fields, like an indexed string,
    # the queries will succeed. We apply a workaround that queries for the union
    # of the two values separated by the tag separator.
    results = await m.Member.find(m.Member.email == "a|b@example.com").all()
    assert results == [member1]
    results = await m.Member.find(m.Member.email == "a|villain@example.com").all()
    assert results == [member2]


@py_test_mark_asyncio
async def test_tag_queries_negation(members, m):
    member1, member2, member3 = members

    """
           ┌first_name
     NOT EQ┤
           └Andrew

    """
    query = m.Member.find(~(m.Member.first_name == "Andrew"))
    assert await query.all() == [member2]

    """
               ┌first_name
        ┌NOT EQ┤
        |      └Andrew
     AND┤
        |  ┌last_name
        └EQ┤
           └Brookins

    """
    query = m.Member.find(
        ~(m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
    )
    assert await query.all() == [member2]

    """
               ┌first_name
        ┌NOT EQ┤
        |      └Andrew
     AND┤
        |     ┌last_name
        |  ┌EQ┤
        |  |  └Brookins
        └OR┤
           |  ┌last_name
           └EQ┤
              └Smith
    """
    query = m.Member.find(
        ~(m.Member.first_name == "Andrew")
        & ((m.Member.last_name == "Brookins") | (m.Member.last_name == "Smith"))
    )
    assert await query.all() == [member2]

    """
                  ┌first_name
           ┌NOT EQ┤
           |      └Andrew
       ┌AND┤
       |   |  ┌last_name
       |   └EQ┤
       |      └Brookins
     OR┤
       |  ┌last_name
       └EQ┤
          └Smith
    """
    query = m.Member.find(
        ~(m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
        | (m.Member.last_name == "Smith")
    )
    assert await query.sort_by("age").all() == [member2, member3]

    actual = await m.Member.find(
        (m.Member.first_name == "Andrew") & ~(m.Member.last_name == "Brookins")
    ).all()
    assert actual == [member3]


@py_test_mark_asyncio
async def test_numeric_queries(members, m):
    member1, member2, member3 = members

    actual = await m.Member.find(m.Member.age == 34).all()
    assert actual == [member2]

    actual = await m.Member.find(m.Member.age > 34).sort_by("age").all()
    assert actual == [member1, member3]

    actual = await m.Member.find(m.Member.age < 35).all()
    assert actual == [member2]

    actual = await m.Member.find(m.Member.age <= 34).all()
    assert actual == [member2]

    actual = await m.Member.find(m.Member.age >= 100).all()
    assert actual == [member3]

    actual = await m.Member.find(m.Member.age != 34).sort_by("age").all()
    assert actual == [member1, member3]

    actual = await m.Member.find(~(m.Member.age == 100)).sort_by("age").all()
    assert actual == [member2, member1]

    actual = (
        await m.Member.find(m.Member.age > 30, m.Member.age < 40).sort_by("age").all()
    )
    assert actual == [member2, member1]


@py_test_mark_asyncio
async def test_sorting(members, m):
    member1, member2, member3 = members

    actual = await m.Member.find(m.Member.age > 34).sort_by("age").all()
    assert actual == [member1, member3]

    actual = await m.Member.find(m.Member.age > 34).sort_by("-age").all()
    assert actual == [member3, member1]

    with pytest.raises(QueryNotSupportedError):
        # This field does not exist.
        await m.Member.find().sort_by("not-a-real-field").all()

    with pytest.raises(QueryNotSupportedError):
        # This field is not sortable.
        await m.Member.find().sort_by("join_date").all()


@py_test_mark_asyncio
async def test_case_sensitive(members, m):
    member1, member2, member3 = members

    actual = await m.Member.find(
        m.Member.first_name == "Andrew" and m.Member.pk == member1.pk
    ).all()
    assert actual == [member1]

    actual = await m.Member.find(m.Member.first_name == "andrew").all()
    assert actual == []


def test_validates_required_fields(m):
    # Raises ValidationError: last_name is required
    # TODO: Test the error value
    with pytest.raises(ValidationError):
        try:
            m.Member(id=0, first_name="Andrew", zipcode="97086", join_date=today)
        except Exception as e:
            raise e


def test_validates_field(m):
    # Raises ValidationError: join_date is not a date
    # TODO: Test the error value
    with pytest.raises(ValidationError):
        m.Member(id=0, first_name="Andrew", last_name="Brookins", join_date="yesterday")


def test_validation_passes(m):
    member = m.Member(
        id=0,
        first_name="Andrew",
        last_name="Brookins",
        email="a@example.com",
        join_date=today,
        age=38,
        bio="This is the bio field.",
    )
    assert member.first_name == "Andrew"


@py_test_mark_asyncio
async def test_retrieve_first(m):
    member = m.Member(
        id=0,
        first_name="Simon",
        last_name="Prickett",
        email="s@example.com",
        join_date=today,
        age=99,
        bio="This is the bio field for this user.",
    )

    await member.save()

    member2 = m.Member(
        id=1,
        first_name="Another",
        last_name="Member",
        email="m@example.com",
        join_date=today,
        age=98,
        bio="This is the bio field for this user.",
    )

    await member2.save()

    member3 = m.Member(
        id=2,
        first_name="Third",
        last_name="Member",
        email="t@example.com",
        join_date=today,
        age=97,
        bio="This is the bio field for this user.",
    )

    await member3.save()

    first_one = await m.Member.find().sort_by("age").first()
    assert first_one == member3


@py_test_mark_asyncio
async def test_saves_model_and_creates_pk(m):
    member = m.Member(
        id=0,
        first_name="Andrew",
        last_name="Brookins",
        email="a@example.com",
        join_date=today,
        age=38,
        bio="This is the bio field for this user.",
    )
    # Save a model instance to Redis
    await member.save()

    member2 = await m.Member.get(pk=member.id)
    assert member2 == member


@py_test_mark_asyncio
async def test_all_pks(m):
    member = m.Member(
        id=0,
        first_name="Simon",
        last_name="Prickett",
        email="s@example.com",
        join_date=today,
        age=97,
        bio="This is a test user to be deleted.",
    )

    await member.save()

    member1 = m.Member(
        id=1,
        first_name="Andrew",
        last_name="Brookins",
        email="a@example.com",
        join_date=today,
        age=38,
        bio="This is a test user to be deleted.",
    )

    await member1.save()

    pk_list = []
    async for pk in await m.Member.all_pks():
        pk_list.append(pk)

    assert sorted(pk_list) == ["0", "1"]


@py_test_mark_asyncio
async def test_all_pks_with_complex_pks(key_prefix):
    class City(HashModel):
        name: str

        class Meta:
            global_key_prefix = key_prefix
            model_key_prefix = "city"

    city1 = City(
        pk="ca:on:toronto",
        name="Toronto",
    )

    await city1.save()

    city2 = City(
        pk="ca:qc:montreal",
        name="Montreal",
    )

    await city2.save()

    pk_list = []
    async for pk in await City.all_pks():
        pk_list.append(pk)

    assert sorted(pk_list) == ["ca:on:toronto", "ca:qc:montreal"]


@py_test_mark_asyncio
async def test_delete(m):
    member = m.Member(
        id=0,
        first_name="Simon",
        last_name="Prickett",
        email="s@example.com",
        join_date=today,
        age=97,
        bio="This is a test user to be deleted.",
    )

    await member.save()
    response = await m.Member.delete(pk=member.id)
    assert response == 1


@py_test_mark_asyncio
async def test_expire(m):
    member = m.Member(
        id=0,
        first_name="Expire",
        last_name="Test",
        email="e@example.com",
        join_date=today,
        age=93,
        bio="This is a test user for expiry",
    )

    await member.save()
    await member.expire(60)

    ttl = await m.Member.db().ttl(member.key())
    assert ttl > 0


def test_raises_error_with_embedded_models(m):
    class Address(m.BaseHashModel):
        address_line_1: str
        address_line_2: Optional[str]
        city: str
        country: str
        postal_code: str

    with pytest.raises(RedisModelError):

        class InvalidMember(m.BaseHashModel):
            name: str = Field(index=True)
            address: Address


def test_raises_error_with_dataclasses(m):
    @dataclasses.dataclass
    class Address:
        address_line_1: str

    with pytest.raises(RedisModelError):

        class InvalidMember(m.BaseHashModel):
            address: Address


def test_raises_error_with_dicts(m):
    with pytest.raises(RedisModelError):

        class InvalidMember(m.BaseHashModel):
            address: Dict[str, str]


def test_raises_error_with_sets(m):
    with pytest.raises(RedisModelError):

        class InvalidMember(m.BaseHashModel):
            friend_ids: Set[str]


def test_raises_error_with_lists(m):
    with pytest.raises(RedisModelError):

        class InvalidMember(m.BaseHashModel):
            friend_ids: List[str]


@py_test_mark_asyncio
async def test_saves_many(m):
    member1 = m.Member(
        id=0,
        first_name="Andrew",
        last_name="Brookins",
        email="a@example.com",
        join_date=today,
        age=38,
        bio="This is the user bio.",
    )
    member2 = m.Member(
        id=1,
        first_name="Kim",
        last_name="Brookins",
        email="k@example.com",
        join_date=today,
        age=34,
        bio="This is the bio for Kim.",
    )
    members = [member1, member2]
    result = await m.Member.add(members)
    assert result == [member1, member2]

    assert await m.Member.get(pk=member1.id) == member1
    assert await m.Member.get(pk=member2.id) == member2


@py_test_mark_asyncio
async def test_delete_many(m):
    member1 = m.Member(
        id=0,
        first_name="Andrew",
        last_name="Brookins",
        email="a@example.com",
        join_date=today,
        age=38,
        bio="This is the user bio.",
    )
    member2 = m.Member(
        id=1,
        first_name="Kim",
        last_name="Brookins",
        email="k@example.com",
        join_date=today,
        age=34,
        bio="This is the bio for Kim.",
    )
    members = [member1, member2]
    result = await m.Member.add(members)
    assert result == [member1, member2]
    result = await m.Member.delete_many(members)
    assert result == 2
    with pytest.raises(NotFoundError):
        await m.Member.get(pk=member1.key())


@py_test_mark_asyncio
async def test_updates_a_model(members, m):
    member1, member2, member3 = members
    await member1.update(last_name="Smith")
    member = await m.Member.get(member1.id)
    assert member.last_name == "Smith"


@py_test_mark_asyncio
async def test_paginate_query(members, m):
    member1, member2, member3 = members
    actual = await m.Member.find().sort_by("age").all(batch_size=1)
    assert actual == [member2, member1, member3]


@py_test_mark_asyncio
async def test_access_result_by_index_cached(members, m):
    member1, member2, member3 = members
    query = m.Member.find().sort_by("age")
    # Load the cache, throw away the result.
    assert query._model_cache == []
    await query.execute()
    assert query._model_cache == [member2, member1, member3]

    # Access an item that should be in the cache.
    with mock.patch.object(query.model, "db") as mock_db:
        assert await query.get_item(0) == member2
        assert not mock_db.called


@py_test_mark_asyncio
async def test_access_result_by_index_not_cached(members, m):
    member1, member2, member3 = members
    query = m.Member.find().sort_by("age")

    # Assert that we don't have any models in the cache yet -- we
    # haven't made any requests of Redis.
    assert query._model_cache == []
    assert await query.get_item(0) == member2
    assert await query.get_item(1) == member1
    assert await query.get_item(2) == member3


def test_schema(m):
    class Address(m.BaseHashModel):
        a_string: str = Field(index=True)
        a_full_text_string: str = Field(index=True, full_text_search=True)
        an_integer: int = Field(index=True, sortable=True)
        a_float: float = Field(index=True)
        another_integer: int
        another_float: float

    # We need to build the key prefix because it will differ based on whether
    # these tests were copied into the tests_sync folder and unasynce'd.
    key_prefix = Address.make_key(Address._meta.primary_key_pattern.format(pk=""))
    assert (
        Address.redisearch_schema()
        == f"ON HASH PREFIX 1 {key_prefix} SCHEMA pk TAG SEPARATOR | a_string TAG SEPARATOR | a_full_text_string TAG SEPARATOR | a_full_text_string AS a_full_text_string_fts TEXT an_integer NUMERIC SORTABLE a_float NUMERIC"
    )


@py_test_mark_asyncio
async def test_primary_key_model_error(m):
    class Customer(m.BaseHashModel):
        id: int = Field(primary_key=True, index=True)
        first_name: str = Field(primary_key=True, index=True)
        last_name: str
        bio: Optional[str]

    await Migrator().run()

    with pytest.raises(
        RedisModelError, match="You must define only one primary key for a model"
    ):
        _ = Customer(
            id=0,
            first_name="Mahmoud",
            last_name="Harmouch",
            bio="Python developer, wanna work at Redis, Inc.",
        )


@py_test_mark_asyncio
async def test_primary_pk_exists(m):
    class Customer1(m.BaseHashModel):
        id: int
        first_name: str
        last_name: str
        bio: Optional[str]

    class Customer2(m.BaseHashModel):
        id: int = Field(primary_key=True, index=True)
        first_name: str
        last_name: str
        bio: Optional[str]

    await Migrator().run()

    customer = Customer1(
        id=0,
        first_name="Mahmoud",
        last_name="Harmouch",
        bio="Python developer, wanna work at Redis, Inc.",
    )

    assert "pk" in customer.__fields__

    customer = Customer2(
        id=1,
        first_name="Kim",
        last_name="Brookins",
        bio="This is member 2 who can be quite anxious until you get to know them.",
    )

    assert "pk" not in customer.__fields__


@py_test_mark_asyncio
async def test_count(members, m):
    # member1, member2, member3 = members
    actual_count = await m.Member.find(
        (m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
        | (m.Member.last_name == "Smith")
    ).count()
    assert actual_count == 2

    actual_count = await m.Member.find(
        m.Member.first_name == "Kim", m.Member.last_name == "Brookins"
    ).count()
    assert actual_count == 1


@py_test_mark_asyncio
async def test_type_with_union(members, m):
    class TypeWithUnion(m.BaseHashModel):
        field: Union[str, int]

    twu_str = TypeWithUnion(field="hello world")
    res = await twu_str.save()
    assert res.pk == twu_str.pk
    twu_str_rematerialized = await TypeWithUnion.get(twu_str.pk)
    assert (
        isinstance(twu_str_rematerialized.field, str)
        and twu_str_rematerialized.pk == twu_str.pk
    )

    twu_int = TypeWithUnion(field=42)
    await twu_int.save()
    twu_int_rematerialized = await TypeWithUnion.get(twu_int.pk)

    # Note - we will not be able to automatically serialize an int back to this union type,
    # since as far as we know from Redis this item is a string
    assert twu_int_rematerialized.pk == twu_int.pk


@py_test_mark_asyncio
async def test_type_with_uuid():
    class TypeWithUuid(HashModel):
        uuid: uuid.UUID

    item = TypeWithUuid(uuid=uuid.uuid4())

    await item.save()


@py_test_mark_asyncio
async def test_xfix_queries(members, m):
    member1, member2, member3 = members

    result = await m.Member.find(
        m.Member.first_name.startswith("And") and m.Member.last_name == "Brookins"
    ).first()
    assert result.last_name == "Brookins"

    result = await m.Member.find(
        m.Member.last_name.endswith("ins") and m.Member.last_name == "Brookins"
    ).first()
    assert result.last_name == "Brookins"

    result = await m.Member.find(
        m.Member.last_name.contains("ook") and m.Member.last_name == "Brookins"
    ).first()
    assert result.last_name == "Brookins"

    result = await m.Member.find(
        m.Member.bio % "great*" and m.Member.first_name == "Andrew"
    ).first()
    assert result.first_name == "Andrew"

    result = await m.Member.find(
        m.Member.bio % "*rty" and m.Member.first_name == "Andrew"
    ).first()
    assert result.first_name == "Andrew"

    result = await m.Member.find(
        m.Member.bio % "*eat*" and m.Member.first_name == "Andrew"
    ).first()
    assert result.first_name == "Andrew"


@py_test_mark_asyncio
async def test_none():
    class ModelWithNoneDefault(HashModel):
        test: Optional[str] = Field(index=True, default=None)

    class ModelWithStringDefault(HashModel):
        test: Optional[str] = Field(index=True, default="None")

    await Migrator().run()

    a = ModelWithNoneDefault()
    await a.save()
    res = await ModelWithNoneDefault.find(ModelWithNoneDefault.pk == a.pk).first()
    assert res.test is None

    b = ModelWithStringDefault()
    await b.save()
    res = await ModelWithStringDefault.find(ModelWithStringDefault.pk == b.pk).first()
    assert res.test == "None"


@py_test_mark_asyncio
async def test_update_validation():
    class TestUpdate(HashModel):
        name: str
        age: int

    await Migrator().run()
    t = TestUpdate(name="steve", age=34)
    await t.save()
    update_dict = dict()
    update_dict["age"] = "cat"

    with pytest.raises(ValidationError):
        await t.update(**update_dict)

    rematerialized = await TestUpdate.find(TestUpdate.pk == t.pk).first()
    assert rematerialized.age == 34


@py_test_mark_asyncio
async def test_literals():
    from typing import Literal

    class TestLiterals(HashModel):
        flavor: Literal["apple", "pumpkin"] = Field(index=True, default="apple")

    schema = TestLiterals.redisearch_schema()

    key_prefix = TestLiterals.make_key(
        TestLiterals._meta.primary_key_pattern.format(pk="")
    )
    assert schema == (
        f"ON HASH PREFIX 1 {key_prefix} SCHEMA pk TAG SEPARATOR | flavor TAG SEPARATOR |"
    )
    await Migrator().run()
    item = TestLiterals(flavor="pumpkin")
    await item.save()
    rematerialized = await TestLiterals.find(TestLiterals.flavor == "pumpkin").first()
    assert rematerialized.pk == item.pk


@py_test_mark_asyncio
async def test_child_class_expression_proxy():
    # https://github.com/redis/redis-om-python/issues/669 seeing weird issue with child classes initalizing all their undefined members as ExpressionProxies
    class Model(HashModel):
        first_name: str
        last_name: str
        age: int = Field(default=18)
        bio: Optional[str] = Field(default=None)

    class Child(Model):
        other_name: str
        # is_new: bool = Field(default=True)

    await Migrator().run()
    m = Child(first_name="Steve", last_name="Lorello", other_name="foo")
    await m.save()
    print(m.age)
    assert m.age == 18

    rematerialized = await Child.find(Child.pk == m.pk).first()

    assert rematerialized.age == 18
    assert rematerialized.bio is None


@py_test_mark_asyncio
async def test_child_class_expression_proxy_with_mixin():
    # https://github.com/redis/redis-om-python/issues/669 seeing weird issue with child classes initalizing all their undefined members as ExpressionProxies
    class Model(RedisModel, abc.ABC):
        first_name: str
        last_name: str
        age: int = Field(default=18)
        bio: Optional[str] = Field(default=None)

    class Child(Model, HashModel):
        other_name: str
        # is_new: bool = Field(default=True)

    await Migrator().run()
    m = Child(first_name="Steve", last_name="Lorello", other_name="foo")
    await m.save()
    print(m.age)
    assert m.age == 18

    rematerialized = await Child.find(Child.pk == m.pk).first()

    assert rematerialized.age == 18
    assert rematerialized.bio is None