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import uuid
import ormar
import pytest
from ormar.exceptions import QueryDefinitionError
from tests.lifespan import init_tests
from tests.settings import create_config
base_ormar_config = create_config()
class User(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="users3")
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100, default="")
class User2(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="users4")
id: uuid.UUID = ormar.UUID(
uuid_format="string", primary_key=True, default=uuid.uuid4
)
name: str = ormar.String(max_length=100, default="")
class Task(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="tasks")
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100, default="")
user: User = ormar.ForeignKey(to=User)
class Task2(ormar.Model):
ormar_config = base_ormar_config.copy(tablename="tasks2")
id: uuid.UUID = ormar.UUID(
uuid_format="string", primary_key=True, default=uuid.uuid4
)
name: str = ormar.String(max_length=100, default="")
user: User2 = ormar.ForeignKey(to=User2)
create_test_database = init_tests(base_ormar_config)
@pytest.mark.asyncio
async def test_empty_result():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
async for user in User.objects.iterate():
pass # pragma: no cover
@pytest.mark.asyncio
async def test_model_iterator():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User.objects.create(name="Tom")
jane = await User.objects.create(name="Jane")
lucy = await User.objects.create(name="Lucy")
async for user in User.objects.iterate():
assert user in (tom, jane, lucy)
@pytest.mark.asyncio
async def test_model_iterator_filter():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User.objects.create(name="Tom")
await User.objects.create(name="Jane")
await User.objects.create(name="Lucy")
async for user in User.objects.iterate(name="Tom"):
assert user.name == tom.name
@pytest.mark.asyncio
async def test_model_iterator_relations():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User.objects.create(name="Tom")
jane = await User.objects.create(name="Jane")
lucy = await User.objects.create(name="Lucy")
for user in tom, jane, lucy:
await Task.objects.create(name="task1", user=user)
await Task.objects.create(name="task2", user=user)
results = []
async for user in User.objects.select_related(User.tasks).iterate():
assert len(user.tasks) == 2
results.append(user)
assert len(results) == 3
@pytest.mark.asyncio
async def test_model_iterator_relations_queryset_proxy():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User.objects.create(name="Tom")
jane = await User.objects.create(name="Jane")
for user in tom, jane:
await Task.objects.create(name="task1", user=user)
await Task.objects.create(name="task2", user=user)
tom_tasks = []
async for task in tom.tasks.iterate():
assert task.name in ("task1", "task2")
tom_tasks.append(task)
assert len(tom_tasks) == 2
jane_tasks = []
async for task in jane.tasks.iterate():
assert task.name in ("task1", "task2")
jane_tasks.append(task)
assert len(jane_tasks) == 2
@pytest.mark.asyncio
async def test_model_iterator_uneven_number_of_relations():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User.objects.create(name="Tom")
jane = await User.objects.create(name="Jane")
lucy = await User.objects.create(name="Lucy")
for user in tom, jane:
await Task.objects.create(name="task1", user=user)
await Task.objects.create(name="task2", user=user)
await Task.objects.create(name="task3", user=lucy)
expected_counts = {"Tom": 2, "Jane": 2, "Lucy": 1}
results = []
async for user in User.objects.select_related(User.tasks).iterate():
assert len(user.tasks) == expected_counts[user.name]
results.append(user)
assert len(results) == 3
@pytest.mark.asyncio
async def test_model_iterator_uuid_pk():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User2.objects.create(name="Tom")
jane = await User2.objects.create(name="Jane")
lucy = await User2.objects.create(name="Lucy")
async for user in User2.objects.iterate():
assert user in (tom, jane, lucy)
@pytest.mark.asyncio
async def test_model_iterator_filter_uuid_pk():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User2.objects.create(name="Tom")
await User2.objects.create(name="Jane")
await User2.objects.create(name="Lucy")
async for user in User2.objects.iterate(name="Tom"):
assert user.name == tom.name
@pytest.mark.asyncio
async def test_model_iterator_relations_uuid_pk():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User2.objects.create(name="Tom")
jane = await User2.objects.create(name="Jane")
lucy = await User2.objects.create(name="Lucy")
for user in tom, jane, lucy:
await Task2.objects.create(name="task1", user=user)
await Task2.objects.create(name="task2", user=user)
results = []
async for user in User2.objects.select_related(User2.task2s).iterate():
assert len(user.task2s) == 2
results.append(user)
assert len(results) == 3
@pytest.mark.asyncio
async def test_model_iterator_relations_queryset_proxy_uuid_pk():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User2.objects.create(name="Tom")
jane = await User2.objects.create(name="Jane")
for user in tom, jane:
await Task2.objects.create(name="task1", user=user)
await Task2.objects.create(name="task2", user=user)
tom_tasks = []
async for task in tom.task2s.iterate():
assert task.name in ("task1", "task2")
tom_tasks.append(task)
assert len(tom_tasks) == 2
jane_tasks = []
async for task in jane.task2s.iterate():
assert task.name in ("task1", "task2")
jane_tasks.append(task)
assert len(jane_tasks) == 2
@pytest.mark.asyncio
async def test_model_iterator_uneven_number_of_relations_uuid_pk():
async with base_ormar_config.database:
async with base_ormar_config.database.transaction(force_rollback=True):
tom = await User2.objects.create(name="Tom")
jane = await User2.objects.create(name="Jane")
lucy = await User2.objects.create(name="Lucy")
for user in tom, jane:
await Task2.objects.create(name="task1", user=user)
await Task2.objects.create(name="task2", user=user)
await Task2.objects.create(name="task3", user=lucy)
expected_counts = {"Tom": 2, "Jane": 2, "Lucy": 1}
results = []
async for user in User2.objects.select_related(User2.task2s).iterate():
assert len(user.task2s) == expected_counts[user.name]
results.append(user)
assert len(results) == 3
@pytest.mark.asyncio
async def test_model_iterator_with_prefetch_raises_error():
async with base_ormar_config.database:
with pytest.raises(QueryDefinitionError):
async for user in User.objects.prefetch_related(User.tasks).iterate():
pass # pragma: no cover
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