445 lines
12 KiB
Python
445 lines
12 KiB
Python
import abc
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import datetime
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import decimal
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from collections import namedtuple
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from typing import Optional
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from unittest import mock
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import pytest
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from pydantic import ValidationError
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from aredis_om import (
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Field,
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HashModel,
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Migrator,
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QueryNotSupportedError,
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RedisModelError,
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has_redisearch,
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)
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if not has_redisearch():
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pytestmark = pytest.mark.skip
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today = datetime.date.today()
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@pytest.fixture
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async def m(key_prefix, redis):
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class BaseHashModel(HashModel, abc.ABC):
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class Meta:
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global_key_prefix = key_prefix
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class Order(BaseHashModel):
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total: decimal.Decimal
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currency: str
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created_on: datetime.datetime
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class Member(BaseHashModel):
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first_name: str = Field(index=True)
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last_name: str = Field(index=True)
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email: str = Field(index=True)
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join_date: datetime.date
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age: int = Field(index=True)
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class Meta:
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model_key_prefix = "member"
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primary_key_pattern = ""
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await Migrator(redis).run()
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return namedtuple("Models", ["BaseHashModel", "Order", "Member"])(
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BaseHashModel, Order, Member
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)
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@pytest.fixture
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async def members(m):
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member1 = m.Member(
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first_name="Andrew",
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last_name="Brookins",
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email="a@example.com",
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age=38,
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join_date=today,
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)
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member2 = m.Member(
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first_name="Kim",
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last_name="Brookins",
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email="k@example.com",
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age=34,
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join_date=today,
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)
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member3 = m.Member(
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first_name="Andrew",
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last_name="Smith",
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email="as@example.com",
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age=100,
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join_date=today,
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)
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await member1.save()
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await member2.save()
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await member3.save()
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yield member1, member2, member3
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@pytest.mark.asyncio
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async def test_exact_match_queries(members, m):
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member1, member2, member3 = members
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actual = await m.Member.find(m.Member.last_name == "Brookins").sort_by("age").all()
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assert actual == [member2, member1]
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actual = await m.Member.find(
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(m.Member.last_name == "Brookins") & ~(m.Member.first_name == "Andrew")
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).all()
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assert actual == [member2]
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actual = await m.Member.find(~(m.Member.last_name == "Brookins")).all()
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assert actual == [member3]
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actual = await m.Member.find(m.Member.last_name != "Brookins").all()
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assert actual == [member3]
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actual = await (
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m.Member.find(
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(m.Member.last_name == "Brookins") & (m.Member.first_name == "Andrew")
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| (m.Member.first_name == "Kim")
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)
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.sort_by("age")
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.all()
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)
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assert actual == [member2, member1]
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actual = await m.Member.find(
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m.Member.first_name == "Kim", m.Member.last_name == "Brookins"
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).all()
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assert actual == [member2]
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@pytest.mark.asyncio
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async def test_recursive_query_resolution(members, m):
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member1, member2, member3 = members
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actual = await (
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m.Member.find(
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(m.Member.last_name == "Brookins")
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| (m.Member.age == 100) & (m.Member.last_name == "Smith")
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)
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.sort_by("age")
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.all()
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)
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assert actual == [member2, member1, member3]
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@pytest.mark.asyncio
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async def test_tag_queries_boolean_logic(members, m):
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member1, member2, member3 = members
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actual = await (
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m.Member.find(
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(m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
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| (m.Member.last_name == "Smith")
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)
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.sort_by("age")
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.all()
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)
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assert actual == [member1, member3]
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@pytest.mark.asyncio
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async def test_tag_queries_punctuation(m):
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member1 = m.Member(
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first_name="Andrew, the Michael",
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last_name="St. Brookins-on-Pier",
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email="a|b@example.com", # NOTE: This string uses the TAG field separator.
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age=38,
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join_date=today,
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)
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await member1.save()
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member2 = m.Member(
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first_name="Bob",
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last_name="the Villain",
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email="a|villain@example.com", # NOTE: This string uses the TAG field separator.
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age=38,
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join_date=today,
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)
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await member2.save()
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result = await (m.Member.find(m.Member.first_name == "Andrew, the Michael").first())
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assert result == member1
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result = await (m.Member.find(m.Member.last_name == "St. Brookins-on-Pier").first())
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assert result == member1
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# Notice that when we index and query multiple values that use the internal
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# TAG separator for single-value exact-match fields, like an indexed string,
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# the queries will succeed. We apply a workaround that queries for the union
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# of the two values separated by the tag separator.
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results = await m.Member.find(m.Member.email == "a|b@example.com").all()
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assert results == [member1]
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results = await m.Member.find(m.Member.email == "a|villain@example.com").all()
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assert results == [member2]
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@pytest.mark.asyncio
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async def test_tag_queries_negation(members, m):
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member1, member2, member3 = members
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"""
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┌first_name
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NOT EQ┤
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└Andrew
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"""
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query = m.Member.find(~(m.Member.first_name == "Andrew"))
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assert await query.all() == [member2]
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"""
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┌first_name
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┌NOT EQ┤
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| └Andrew
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AND┤
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| ┌last_name
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└EQ┤
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└Brookins
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"""
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query = m.Member.find(
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~(m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
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)
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assert await query.all() == [member2]
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"""
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┌first_name
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┌NOT EQ┤
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| └Andrew
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AND┤
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| ┌last_name
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| ┌EQ┤
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| | └Brookins
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└OR┤
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| ┌last_name
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└EQ┤
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└Smith
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"""
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query = m.Member.find(
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~(m.Member.first_name == "Andrew")
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& ((m.Member.last_name == "Brookins") | (m.Member.last_name == "Smith"))
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)
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assert await query.all() == [member2]
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"""
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┌first_name
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┌NOT EQ┤
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| └Andrew
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┌AND┤
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| | ┌last_name
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| └EQ┤
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| └Brookins
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OR┤
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| ┌last_name
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└EQ┤
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└Smith
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"""
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query = m.Member.find(
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~(m.Member.first_name == "Andrew") & (m.Member.last_name == "Brookins")
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| (m.Member.last_name == "Smith")
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)
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assert await query.sort_by("age").all() == [member2, member3]
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actual = await m.Member.find(
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(m.Member.first_name == "Andrew") & ~(m.Member.last_name == "Brookins")
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).all()
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assert actual == [member3]
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@pytest.mark.asyncio
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async def test_numeric_queries(members, m):
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member1, member2, member3 = members
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actual = await m.Member.find(m.Member.age == 34).all()
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assert actual == [member2]
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actual = await m.Member.find(m.Member.age > 34).sort_by("age").all()
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assert actual == [member1, member3]
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actual = await m.Member.find(m.Member.age < 35).all()
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assert actual == [member2]
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actual = await m.Member.find(m.Member.age <= 34).all()
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assert actual == [member2]
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actual = await m.Member.find(m.Member.age >= 100).all()
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assert actual == [member3]
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actual = await m.Member.find(m.Member.age != 34).sort_by("age").all()
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assert actual == [member1, member3]
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actual = await m.Member.find(~(m.Member.age == 100)).sort_by("age").all()
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assert actual == [member2, member1]
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actual = (
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await m.Member.find(m.Member.age > 30, m.Member.age < 40).sort_by("age").all()
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)
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assert actual == [member2, member1]
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@pytest.mark.asyncio
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async def test_sorting(members, m):
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member1, member2, member3 = members
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actual = await m.Member.find(m.Member.age > 34).sort_by("age").all()
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assert actual == [member1, member3]
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actual = await m.Member.find(m.Member.age > 34).sort_by("-age").all()
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assert actual == [member3, member1]
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with pytest.raises(QueryNotSupportedError):
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# This field does not exist.
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await m.Member.find().sort_by("not-a-real-field").all()
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with pytest.raises(QueryNotSupportedError):
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# This field is not sortable.
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await m.Member.find().sort_by("join_date").all()
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def test_validates_required_fields(m):
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# Raises ValidationError: last_name is required
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# TODO: Test the error value
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with pytest.raises(ValidationError):
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m.Member(first_name="Andrew", zipcode="97086", join_date=today)
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def test_validates_field(m):
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# Raises ValidationError: join_date is not a date
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# TODO: Test the error value
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with pytest.raises(ValidationError):
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m.Member(first_name="Andrew", last_name="Brookins", join_date="yesterday")
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def test_validation_passes(m):
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member = m.Member(
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first_name="Andrew",
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last_name="Brookins",
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email="a@example.com",
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join_date=today,
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age=38,
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)
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assert member.first_name == "Andrew"
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@pytest.mark.asyncio
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async def test_saves_model_and_creates_pk(m):
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member = m.Member(
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first_name="Andrew",
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last_name="Brookins",
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email="a@example.com",
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join_date=today,
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age=38,
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)
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# Save a model instance to Redis
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await member.save()
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member2 = await m.Member.get(member.pk)
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assert member2 == member
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def test_raises_error_with_embedded_models(m):
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class Address(m.BaseHashModel):
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address_line_1: str
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address_line_2: Optional[str]
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city: str
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country: str
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postal_code: str
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with pytest.raises(RedisModelError):
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class InvalidMember(m.BaseHashModel):
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address: Address
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@pytest.mark.asyncio
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async def test_saves_many(m):
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member1 = m.Member(
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first_name="Andrew",
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last_name="Brookins",
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email="a@example.com",
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join_date=today,
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age=38,
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)
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member2 = m.Member(
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first_name="Kim",
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last_name="Brookins",
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email="k@example.com",
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join_date=today,
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age=34,
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)
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members = [member1, member2]
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result = await m.Member.add(members)
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assert result == [member1, member2]
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assert await m.Member.get(pk=member1.pk) == member1
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assert await m.Member.get(pk=member2.pk) == member2
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@pytest.mark.asyncio
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async def test_updates_a_model(members, m):
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member1, member2, member3 = members
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await member1.update(last_name="Smith")
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member = await m.Member.get(member1.pk)
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assert member.last_name == "Smith"
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@pytest.mark.asyncio
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async def test_paginate_query(members, m):
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member1, member2, member3 = members
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actual = await m.Member.find().sort_by("age").all(batch_size=1)
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assert actual == [member2, member1, member3]
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@pytest.mark.asyncio
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async def test_access_result_by_index_cached(members, m):
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member1, member2, member3 = members
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query = m.Member.find().sort_by("age")
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# Load the cache, throw away the result.
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assert query._model_cache == []
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await query.execute()
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assert query._model_cache == [member2, member1, member3]
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# Access an item that should be in the cache.
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with mock.patch.object(query.model, "db") as mock_db:
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assert await query.get_item(0) == member2
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assert not mock_db.called
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@pytest.mark.asyncio
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async def test_access_result_by_index_not_cached(members, m):
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member1, member2, member3 = members
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query = m.Member.find().sort_by("age")
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# Assert that we don't have any models in the cache yet -- we
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# haven't made any requests of Redis.
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assert query._model_cache == []
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assert await query.get_item(0) == member2
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assert await query.get_item(1) == member1
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assert await query.get_item(2) == member3
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def test_schema(m, key_prefix):
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class Address(m.BaseHashModel):
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a_string: str = Field(index=True)
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a_full_text_string: str = Field(index=True, full_text_search=True)
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an_integer: int = Field(index=True, sortable=True)
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a_float: float = Field(index=True)
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another_integer: int
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another_float: float
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assert (
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Address.redisearch_schema()
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== f"ON HASH PREFIX 1 {key_prefix}:tests.test_hash_model.Address: SCHEMA pk TAG SEPARATOR | a_string TAG SEPARATOR | a_full_text_string TAG SEPARATOR | a_full_text_string_fts TEXT an_integer NUMERIC SORTABLE a_float NUMERIC"
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)
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