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LangBot/tests/unit_tests/cloud/test_workspace_quotas.py
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2026-07-30 18:48:42 +00:00

103 lines
3.3 KiB
Python

from __future__ import annotations
from types import SimpleNamespace
from unittest.mock import AsyncMock, Mock
import pytest
import sqlalchemy
from langbot.pkg.cloud.entitlements import EntitlementResolver, EntitlementSnapshot
from langbot.pkg.cloud.quotas import (
WorkspaceQuota,
require_resource_capacity,
resolve_workspace_quota,
)
from langbot.pkg.entity.persistence.bot import Bot
WORKSPACE_UUID = '11111111-1111-1111-1111-111111111111'
INSTANCE_UUID = 'cloud-instance'
class _Provider:
def __init__(self, limits: dict[str, int]) -> None:
self.limits = limits
async def get_workspace_entitlement(self, workspace_uuid: str) -> EntitlementSnapshot:
return EntitlementSnapshot(
instance_uuid=INSTANCE_UUID,
workspace_uuid=workspace_uuid,
entitlement_revision=1,
status='active',
not_before=0,
expires_at=4_102_444_800,
features={},
limits=self.limits,
plan_name='test',
)
async def _resolver(limits: dict[str, int]) -> EntitlementResolver:
resolver = EntitlementResolver(INSTANCE_UUID, _Provider(limits))
await resolver.reconcile_active_workspaces({WORKSPACE_UUID})
return resolver
@pytest.mark.asyncio
async def test_resolve_workspace_quota_uses_signed_cloud_limit() -> None:
ap = SimpleNamespace(entitlement_resolver=await _resolver({'bots.max': 2}))
quota = await resolve_workspace_quota(ap, WORKSPACE_UUID, 'bots.max', fallback=99)
assert quota == WorkspaceQuota(limit=2, requires_transaction_lock=True)
@pytest.mark.asyncio
async def test_resolve_workspace_quota_preserves_oss_fallback() -> None:
quota = await resolve_workspace_quota(SimpleNamespace(), WORKSPACE_UUID, 'bots.max', fallback=7)
assert quota == WorkspaceQuota(limit=7, requires_transaction_lock=False)
@pytest.mark.asyncio
async def test_require_resource_capacity_locks_workspace_before_counting() -> None:
statements: list[object] = []
lock_result = Mock()
lock_result.first.return_value = (WORKSPACE_UUID,)
count_result = Mock()
count_result.scalar_one.return_value = 1
execute = AsyncMock(side_effect=[lock_result, count_result])
await require_resource_capacity(
execute,
workspace_uuid=WORKSPACE_UUID,
model=Bot,
quota=WorkspaceQuota(limit=2, requires_transaction_lock=True),
resource_name='bots',
)
statements.extend(call.args[0] for call in execute.await_args_list)
assert len(statements) == 2
assert isinstance(statements[0], sqlalchemy.sql.Select)
assert statements[0]._for_update_arg is not None
assert 'workspaces' in str(statements[0])
assert 'count' in str(statements[1]).lower()
@pytest.mark.asyncio
async def test_require_resource_capacity_rejects_at_boundary() -> None:
lock_result = Mock()
lock_result.first.return_value = (WORKSPACE_UUID,)
count_result = Mock()
count_result.scalar_one.return_value = 2
execute = AsyncMock(side_effect=[lock_result, count_result])
with pytest.raises(ValueError, match=r'Maximum number of bots \(2\) reached'):
await require_resource_capacity(
execute,
workspace_uuid=WORKSPACE_UUID,
model=Bot,
quota=WorkspaceQuota(limit=2, requires_transaction_lock=True),
resource_name='bots',
)