61 lines
2.8 KiB
Python

from decimal import Decimal
from django.test import TestCase
from apps.accounts.models import Team, TeamMember, User
from apps.ai.models import AITask, ModelConfig, ModelProvider
from apps.billing.models import CreditAccount, CreditLedger, CreditReservation
from apps.billing.services.ledger import charge_reserved_credit, release_credit, reserve_credit
class CreditLedgerTests(TestCase):
def setUp(self):
self.user = User.objects.create_user(username="owner", password="pass")
self.team = Team.objects.create(name="Billing Team", owner=self.user)
TeamMember.objects.create(team=self.team, user=self.user, role=TeamMember.Role.OWNER)
self.account = CreditAccount.objects.create(team=self.team, balance=Decimal("100.0000"))
self.provider = ModelProvider.objects.create(name="volcengine", display_name="Volcano")
self.model = ModelConfig.objects.create(
provider=self.provider,
name="doubao-seed-2-0-pro-260215",
display_name="Doubao",
capability=ModelConfig.Capability.TEXT,
)
self.task = AITask.objects.create(
team=self.team,
created_by=self.user,
task_type=AITask.Type.SCRIPT_GENERATION,
model_config=self.model,
idempotency_key="billing-test-task",
estimated_cost=Decimal("10.0000"),
)
def test_reserve_and_charge_credit(self):
reservation = reserve_credit(team=self.team, user=self.user, task=self.task, amount=Decimal("10.0000"))
self.account.refresh_from_db()
self.assertEqual(reservation.status, CreditReservation.Status.ACTIVE)
self.assertEqual(self.account.balance, Decimal("100.0000"))
self.assertEqual(self.account.reserved_balance, Decimal("10.0000"))
charge_reserved_credit(reservation=reservation, actual_amount=Decimal("8.0000"))
self.account.refresh_from_db()
reservation.refresh_from_db()
self.assertEqual(reservation.status, CreditReservation.Status.CHARGED)
self.assertEqual(self.account.balance, Decimal("92.0000"))
self.assertEqual(self.account.reserved_balance, Decimal("0.0000"))
self.assertEqual(CreditLedger.objects.filter(team=self.team).count(), 3)
def test_release_reserved_credit(self):
reservation = reserve_credit(team=self.team, user=self.user, task=self.task, amount=Decimal("10.0000"))
release_credit(reservation=reservation, reason="model failed")
self.account.refresh_from_db()
reservation.refresh_from_db()
self.assertEqual(reservation.status, CreditReservation.Status.RELEASED)
self.assertEqual(self.account.balance, Decimal("100.0000"))
self.assertEqual(self.account.reserved_balance, Decimal("0.0000"))
self.assertEqual(CreditLedger.objects.filter(ledger_type=CreditLedger.Type.RELEASE).count(), 1)