redis-om-python/tests/test_hash_model.py
2021-10-12 14:22:57 -07:00

400 lines
11 KiB
Python

import abc
import decimal
import datetime
from typing import Optional
from unittest import mock
import pytest
import redis
from pydantic import ValidationError
from redis_developer.orm import (
HashModel,
Field,
)
from redis_developer.orm.model import RedisModelError, QueryNotSupportedError, NotFoundError
r = redis.Redis()
today = datetime.date.today()
class BaseHashModel(HashModel, abc.ABC):
class Meta:
global_key_prefix = "redis-developer"
class Order(BaseHashModel):
total: decimal.Decimal
currency: str
created_on: datetime.datetime
class Member(BaseHashModel):
first_name: str = Field(index=True)
last_name: str = Field(index=True)
email: str = Field(index=True)
join_date: datetime.date
age: int = Field(index=True)
class Meta:
model_key_prefix = "member"
primary_key_pattern = ""
@pytest.fixture()
def members():
member1 = Member(
first_name="Andrew",
last_name="Brookins",
email="a@example.com",
age=38,
join_date=today
)
member2 = Member(
first_name="Kim",
last_name="Brookins",
email="k@example.com",
age=34,
join_date=today
)
member3 = Member(
first_name="Andrew",
last_name="Smith",
email="as@example.com",
age=100,
join_date=today
)
member1.save()
member2.save()
member3.save()
yield member1, member2, member3
def test_validates_required_fields():
# Raises ValidationError: last_name is required
with pytest.raises(ValidationError):
Member(
first_name="Andrew",
zipcode="97086",
join_date=today
)
def test_validates_field():
# Raises ValidationError: join_date is not a date
with pytest.raises(ValidationError):
Member(
first_name="Andrew",
last_name="Brookins",
join_date="yesterday"
)
# Passes validation
def test_validation_passes():
member = Member(
first_name="Andrew",
last_name="Brookins",
email="a@example.com",
join_date=today,
age=38
)
assert member.first_name == "Andrew"
def test_saves_model_and_creates_pk():
member = Member(
first_name="Andrew",
last_name="Brookins",
email="a@example.com",
join_date=today,
age=38
)
# Save a model instance to Redis
member.save()
member2 = Member.get(member.pk)
assert member2 == member
def test_raises_error_with_embedded_models():
class Address(BaseHashModel):
address_line_1: str
address_line_2: Optional[str]
city: str
country: str
postal_code: str
with pytest.raises(RedisModelError):
class InvalidMember(BaseHashModel):
address: Address
@pytest.mark.skip("Not implemented yet")
def test_saves_many():
members = [
Member(
first_name="Andrew",
last_name="Brookins",
email="a@example.com",
join_date=today
),
Member(
first_name="Kim",
last_name="Brookins",
email="k@example.com",
join_date=today
)
]
Member.add(members)
@pytest.mark.skip("Not ready yet")
def test_updates_a_model(members):
member1, member2, member3 = members
# Or, with an implicit save:
member1.update(last_name="Smith")
assert Member.find(Member.pk == member1.pk).first() == member1
# Or, affecting multiple model instances with an implicit save:
Member.find(Member.last_name == "Brookins").update(last_name="Smith")
results = Member.find(Member.last_name == "Smith")
assert results == members
def test_paginate_query(members):
member1, member2, member3 = members
actual = Member.find().all(batch_size=1)
assert actual == [member1, member2, member3]
def test_access_result_by_index_cached(members):
member1, member2, member3 = members
query = Member.find().sort_by('age')
# Load the cache, throw away the result.
assert query._model_cache == []
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 query[0] == member2
assert not mock_db.called
def test_access_result_by_index_not_cached(members):
member1, member2, member3 = members
query = 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 query[0] == member2
assert query[1] == member1
assert query[2] == member3
def test_exact_match_queries(members):
member1, member2, member3 = members
actual = Member.find(Member.last_name == "Brookins").all()
assert actual == [member1, member2]
actual = Member.find(
(Member.last_name == "Brookins") & ~(Member.first_name == "Andrew")).all()
assert actual == [member2]
actual = Member.find(~(Member.last_name == "Brookins")).all()
assert actual == [member3]
actual = Member.find(Member.last_name != "Brookins").all()
assert actual == [member3]
actual = Member.find(
(Member.last_name == "Brookins") & (Member.first_name == "Andrew")
| (Member.first_name == "Kim")
).all()
assert actual == [member1, member2]
actual = Member.find(Member.first_name == "Kim", Member.last_name == "Brookins").all()
assert actual == [member2]
def test_recursive_query_resolution(members):
member1, member2, member3 = members
actual = Member.find((Member.last_name == "Brookins") | (
Member.age == 100
) & (Member.last_name == "Smith")).all()
assert actual == [member1, member2, member3]
def test_tag_queries_boolean_logic(members):
member1, member2, member3 = members
actual = Member.find(
(Member.first_name == "Andrew") &
(Member.last_name == "Brookins") | (Member.last_name == "Smith")).all()
assert actual == [member1, member3]
def test_tag_queries_punctuation():
member1 = Member(
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,
)
member1.save()
member2 = Member(
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,
)
member2.save()
assert Member.find(Member.first_name == "Andrew, the Michael").first() == member1
assert Member.find(Member.last_name == "St. Brookins-on-Pier").first() == 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.
assert Member.find(Member.email == "a|b@example.com").all() == [member1]
assert Member.find(Member.email == "a|villain@example.com").all() == [member2]
def test_tag_queries_negation(members):
member1, member2, member3 = members
"""
┌first_name
NOT EQ┤
└Andrew
"""
query = Member.find(
~(Member.first_name == "Andrew")
)
assert query.all() == [member2]
"""
┌first_name
┌NOT EQ┤
| └Andrew
AND┤
| ┌last_name
└EQ┤
└Brookins
"""
query = Member.find(
~(Member.first_name == "Andrew") & (Member.last_name == "Brookins")
)
assert query.all() == [member2]
"""
┌first_name
┌NOT EQ┤
| └Andrew
AND┤
| ┌last_name
| ┌EQ┤
| | └Brookins
└OR┤
| ┌last_name
└EQ┤
└Smith
"""
query = Member.find(
~(Member.first_name == "Andrew") &
((Member.last_name == "Brookins") | (Member.last_name == "Smith")))
assert query.all() == [member2]
"""
┌first_name
┌NOT EQ┤
| └Andrew
┌AND┤
| | ┌last_name
| └EQ┤
| └Brookins
OR┤
| ┌last_name
└EQ┤
└Smith
"""
query = Member.find(
~(Member.first_name == "Andrew") &
(Member.last_name == "Brookins") | (Member.last_name == "Smith"))
assert query.all() == [member2, member3]
actual = Member.find(
(Member.first_name == "Andrew") & ~(Member.last_name == "Brookins")).all()
assert actual == [member3]
def test_numeric_queries(members):
member1, member2, member3 = members
actual = Member.find(Member.age == 34).all()
assert actual == [member2]
actual = Member.find(Member.age > 34).all()
assert actual == [member1, member3]
actual = Member.find(Member.age < 35).all()
assert actual == [member2]
actual = Member.find(Member.age <= 34).all()
assert actual == [member2]
actual = Member.find(Member.age >= 100).all()
assert actual == [member3]
actual = Member.find(~(Member.age == 100)).all()
assert actual == [member1, member2]
def test_sorting(members):
member1, member2, member3 = members
actual = Member.find(Member.age > 34).sort_by('age').all()
assert actual == [member1, member3]
actual = Member.find(Member.age > 34).sort_by('-age').all()
assert actual == [member3, member1]
with pytest.raises(QueryNotSupportedError):
# This field does not exist.
Member.find().sort_by('not-a-real-field').all()
with pytest.raises(QueryNotSupportedError):
# This field is not sortable.
Member.find().sort_by('join_date').all()
def test_not_found():
with pytest.raises(NotFoundError):
# This ID does not exist.
Member.get(1000)
def test_schema():
class Address(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
assert Address.redisearch_schema() == "ON HASH PREFIX 1 redis-developer: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"