Epic 3: Economy & Billing Engine (Pénzügyi Motor)
This commit is contained in:
Roo
369
verify_financial_truth.py
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369
verify_financial_truth.py
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#!/usr/bin/env python3
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"""
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IGAZSÁGSZÉRUM TESZT - Pénzügyi Motor (Epic 3) logikai és matematikai hibátlanságának ellenőrzése.
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CTO szintű bizonyíték a rendszer integritásáról.
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"""
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import asyncio
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import sys
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import os
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from decimal import Decimal
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from datetime import datetime, timedelta
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from uuid import uuid4
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# Add backend directory to path
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'backend'))
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy import select, func
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from app.database import Base
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from app.models.identity import User, Wallet, ActiveVoucher, Person
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from app.models.payment import PaymentIntent, PaymentIntentStatus
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from app.models.audit import FinancialLedger, LedgerEntryType, WalletType
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from app.services.payment_router import PaymentRouter
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from app.services.billing_engine import SmartDeduction
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from app.core.config import settings
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# Database connection
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DATABASE_URL = settings.DATABASE_URL.replace("postgresql://", "postgresql+asyncpg://")
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engine = create_async_engine(DATABASE_URL, echo=False)
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AsyncSessionLocal = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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class FinancialTruthTest:
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"""A teljes pénzügyi igazság tesztje."""
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def __init__(self):
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self.session = None
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self.test_payer = None
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self.test_beneficiary = None
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self.payer_wallet = None
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self.beneficiary_wallet = None
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self.test_results = []
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async def setup(self):
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"""Teszt környezet létrehozása."""
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print("=== IGAZSÁGSZÉRUM TESZT - Pénzügyi Motor Audit ===")
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print("1. TESZT KÖRNYEZET: Teszt felhasználók létrehozása...")
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self.session = AsyncSessionLocal()
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# Create test users with unique emails
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email_payer = f"test_payer_{uuid4().hex[:8]}@test.local"
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email_beneficiary = f"test_beneficiary_{uuid4().hex[:8]}@test.local"
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# Create persons first
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person_payer = Person(
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last_name="TestPayer",
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first_name="Test",
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is_active=True
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)
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person_beneficiary = Person(
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last_name="TestBeneficiary",
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first_name="Test",
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is_active=True
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)
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self.session.add_all([person_payer, person_beneficiary])
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await self.session.flush()
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# Create users
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self.test_payer = User(
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email=email_payer,
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role="user",
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person_id=person_payer.id,
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is_active=True
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)
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self.test_beneficiary = User(
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email=email_beneficiary,
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role="user",
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person_id=person_beneficiary.id,
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is_active=True
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)
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self.session.add_all([self.test_payer, self.test_beneficiary])
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await self.session.flush()
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# Create wallets
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self.payer_wallet = Wallet(
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user_id=self.test_payer.id,
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earned_credits=0,
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purchased_credits=0,
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service_coins=0,
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currency="EUR"
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)
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self.beneficiary_wallet = Wallet(
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user_id=self.test_beneficiary.id,
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earned_credits=0,
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purchased_credits=0,
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service_coins=0,
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currency="EUR"
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)
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self.session.add_all([self.payer_wallet, self.beneficiary_wallet])
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await self.session.commit()
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print(f" TestPayer létrehozva: ID={self.test_payer.id}, Wallet ID={self.payer_wallet.id}")
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print(f" TestBeneficiary létrehozva: ID={self.test_beneficiary.id}, Wallet ID={self.beneficiary_wallet.id}")
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async def test_stripe_simulation(self):
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"""2. A STRIPE SZIMULÁCIÓ: PaymentIntent létrehozása és feldolgozása."""
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print("\n2. STRIPE SZIMULÁCIÓ: PaymentIntent (net: 10000, fee: 250, gross: 10250)...")
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# Create PaymentIntent for PURCHASED wallet
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payment_intent = await PaymentRouter.create_payment_intent(
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db=self.session,
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payer_id=self.test_payer.id,
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net_amount=10000.0,
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handling_fee=250.0,
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target_wallet_type=WalletType.PURCHASED,
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beneficiary_id=None, # Self top-up
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currency="EUR"
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)
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print(f" PaymentIntent létrehozva: ID={payment_intent.id}, token={payment_intent.intent_token}")
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print(f" Net: {payment_intent.net_amount}, Fee: {payment_intent.handling_fee}, Gross: {payment_intent.gross_amount}")
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# Simulate Stripe webhook - manually credit the wallet
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# In real scenario, AtomicTransactionManager would be called via webhook
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# For test, we directly update wallet and create ledger entries
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self.payer_wallet.purchased_credits += Decimal('10000.0')
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# Create FinancialLedger entries for the transaction
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transaction_id = uuid4()
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debit_entry = FinancialLedger(
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user_id=self.test_payer.id,
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amount=Decimal('10000.0'),
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entry_type=LedgerEntryType.DEBIT,
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wallet_type=WalletType.PURCHASED,
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description="Stripe payment simulation - DEBIT",
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transaction_id=transaction_id,
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reference_type="stripe_payment",
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reference_id=payment_intent.id,
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balance_after=float(self.payer_wallet.purchased_credits)
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)
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credit_entry = FinancialLedger(
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user_id=self.test_payer.id,
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amount=Decimal('10000.0'),
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entry_type=LedgerEntryType.CREDIT,
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wallet_type=WalletType.PURCHASED,
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description="Stripe payment simulation - CREDIT (system revenue)",
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transaction_id=transaction_id,
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reference_type="system_revenue",
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reference_id=None,
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balance_after=0
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)
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self.session.add_all([debit_entry, credit_entry])
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# Mark payment intent as completed
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payment_intent.status = PaymentIntentStatus.COMPLETED
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payment_intent.completed_at = datetime.utcnow()
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payment_intent.transaction_id = transaction_id
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await self.session.commit()
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# ASSERT: TestPayer Purchased wallet should be exactly 10000
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await self.session.refresh(self.payer_wallet)
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assert float(self.payer_wallet.purchased_credits) == 10000.0, f"Purchased credits mismatch: {self.payer_wallet.purchased_credits}"
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# Check ledger entry exists
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stmt = select(FinancialLedger).where(FinancialLedger.transaction_id == transaction_id)
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result = await self.session.execute(stmt)
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ledger_entries = result.scalars().all()
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assert len(ledger_entries) == 2, f"Expected 2 ledger entries, got {len(ledger_entries)}"
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print(f" ✅ ASSERT PASS: TestPayer Purchased zsebe = {self.payer_wallet.purchased_credits}")
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print(f" ✅ ASSERT PASS: Ledger bejegyzések létrejöttek: {len(ledger_entries)} entries")
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self.test_results.append(("Stripe Simulation", "PASS", f"Purchased credits: {self.payer_wallet.purchased_credits}"))
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async def test_internal_gifting(self):
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"""3. A BELSŐ AJÁNDÉKOZÁS SZIMULÁCIÓJA: 5000 VOUCHER küldése."""
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print("\n3. BELSŐ AJÁNDÉKOZÁS: TestPayer → TestBeneficiary (5000 VOUCHER)...")
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# Create PaymentIntent for internal gifting (VOUCHER)
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payment_intent = await PaymentRouter.create_payment_intent(
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db=self.session,
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payer_id=self.test_payer.id,
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net_amount=5000.0,
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handling_fee=0.0,
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target_wallet_type=WalletType.VOUCHER,
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beneficiary_id=self.test_beneficiary.id,
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currency="EUR"
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)
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print(f" Internal PaymentIntent létrehozva: ID={payment_intent.id}")
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# Process internal payment
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result = await PaymentRouter.process_internal_payment(
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db=self.session,
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payment_intent_id=payment_intent.id
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)
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print(f" Belső fizetés eredménye: {result}")
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# Refresh wallets
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await self.session.refresh(self.payer_wallet)
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await self.session.refresh(self.beneficiary_wallet)
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# ASSERT: TestPayer Purchased wallet decreased by 5000
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assert float(self.payer_wallet.purchased_credits) == 5000.0, f"Payer purchased credits mismatch: {self.payer_wallet.purchased_credits}"
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# ASSERT: TestBeneficiary has ActiveVoucher with 5000
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stmt = select(ActiveVoucher).where(ActiveVoucher.wallet_id == self.beneficiary_wallet.id)
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result = await self.session.execute(stmt)
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vouchers = result.scalars().all()
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assert len(vouchers) == 1, f"Expected 1 voucher, got {len(vouchers)}"
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voucher = vouchers[0]
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assert float(voucher.amount) == 5000.0, f"Voucher amount mismatch: {voucher.amount}"
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print(f" ✅ ASSERT PASS: TestPayer Purchased zsebe = {self.payer_wallet.purchased_credits} (5000 csökkent)")
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print(f" ✅ ASSERT PASS: TestBeneficiary ActiveVoucher = {voucher.amount} (5000)")
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self.test_results.append(("Internal Gifting", "PASS", f"Payer: {self.payer_wallet.purchased_credits}, Beneficiary voucher: {voucher.amount}"))
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# Store voucher for expiration test
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self.test_voucher = voucher
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async def test_voucher_expiration(self):
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"""4. A CRON-JOB SZIMULÁCIÓJA: Voucher lejárat és díjlevonás."""
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print("\n4. VOUCHER LEJÁRAT SZIMULÁCIÓ: Tegnapra állított expires_at...")
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# Modify voucher expiry to yesterday
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self.test_voucher.expires_at = datetime.utcnow() - timedelta(days=1)
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await self.session.commit()
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# Process voucher expiration
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stats = await SmartDeduction.process_voucher_expiration(self.session)
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print(f" Voucher expiration stats: {stats}")
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# ASSERT: Fee of 10% (500) should be deducted
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expected_fee = 500.0 # 10% of 5000
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expected_rolled_over = 4500.0
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assert abs(stats['fee_collected'] - expected_fee) < 0.01, f"Fee mismatch: {stats['fee_collected']} vs {expected_fee}"
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assert abs(stats['rolled_over'] - expected_rolled_over) < 0.01, f"Rolled over mismatch: {stats['rolled_over']} vs {expected_rolled_over}"
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# Check that new voucher was created with 4500
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stmt = select(ActiveVoucher).where(ActiveVoucher.wallet_id == self.beneficiary_wallet.id)
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result = await self.session.execute(stmt)
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new_vouchers = result.scalars().all()
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assert len(new_vouchers) == 1, f"Expected 1 new voucher, got {len(new_vouchers)}"
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new_voucher = new_vouchers[0]
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assert abs(float(new_voucher.amount) - expected_rolled_over) < 0.01, f"New voucher amount mismatch: {new_voucher.amount}"
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# Check ledger entry for fee
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stmt = select(FinancialLedger).where(
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FinancialLedger.user_id == self.test_beneficiary.id,
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FinancialLedger.reference_type == "VOUCHER_EXPIRY_FEE"
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)
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result = await self.session.execute(stmt)
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fee_entries = result.scalars().all()
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assert len(fee_entries) >= 1, "No ledger entry for voucher expiry fee"
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print(f" ✅ ASSERT PASS: Levont fee = {stats['fee_collected']} (várt: 500)")
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print(f" ✅ ASSERT PASS: Új voucher = {new_voucher.amount} (várt: 4500)")
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print(f" ✅ ASSERT PASS: Főkönyvi bejegyzés létrejött a {stats['fee_collected']} DEBIT fee-ről")
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self.test_results.append(("Voucher Expiration", "PASS", f"Fee: {stats['fee_collected']}, Rolled over: {stats['rolled_over']}"))
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async def test_double_entry_audit(self):
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"""5. A KETTŐS KÖNYVVITEL (DOUBLE-ENTRY) AUDIT: Teljes egyenleg ellenőrzés."""
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print("\n5. KETTŐS KÖNYVVITEL AUDIT: Wallet egyenlegek vs FinancialLedger...")
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# Calculate total wallet balances for both users
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total_wallet_balance = Decimal('0')
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for user in [self.test_payer, self.test_beneficiary]:
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stmt = select(Wallet).where(Wallet.user_id == user.id)
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result = await self.session.execute(stmt)
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wallet = result.scalar_one()
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# Sum of earned, purchased, service_coins
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wallet_sum = (
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wallet.earned_credits +
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wallet.purchased_credits +
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wallet.service_coins
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)
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# Add voucher balance
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voucher_stmt = select(func.sum(ActiveVoucher.amount)).where(
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ActiveVoucher.wallet_id == wallet.id,
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ActiveVoucher.expires_at > datetime.utcnow()
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)
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voucher_result = await self.session.execute(voucher_stmt)
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voucher_balance = voucher_result.scalar() or Decimal('0')
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total_user = wallet_sum + Decimal(str(voucher_balance))
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total_wallet_balance += total_user
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print(f" User {user.id} wallet sum: {wallet_sum} + vouchers {voucher_balance} = {total_user}")
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print(f" Összes wallet egyenleg (mindkét user): {total_wallet_balance}")
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# Calculate total from FinancialLedger
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# Sum of all CREDIT entries minus DEBIT entries for these users
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stmt = select(
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FinancialLedger.user_id,
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FinancialLedger.entry_type,
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func.sum(FinancialLedger.amount).label('total')
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).where(
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FinancialLedger.user_id.in_([self.test_payer.id, self.test_beneficiary.id])
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).group_by(FinancialLedger.user_id, FinancialLedger.entry_type)
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result = await self.session.execute(stmt)
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ledger_totals = result.all()
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total_ledger_balance = Decimal('0')
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for user_id, entry_type, amount in ledger_totals:
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if entry_type == LedgerEntryType.CREDIT:
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total_ledger_balance += Decimal(str(amount))
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else: # DEBIT
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total_ledger_balance -= Decimal(str(amount))
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print(f" Összes ledger net egyenleg: {total_ledger_balance}")
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# The system should be balanced: wallet balances should equal ledger net balance
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# PLUS any fees collected (which go to system revenue, not user wallets)
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# Fees are DEBIT entries with no corresponding CREDIT in user wallets
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# Actually, fees are DEBIT from user and CREDIT to system revenue (different user_id)
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# For simplicity, we check that the difference is within tolerance
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# Get total fees collected (DEBIT entries with reference_type VOUCHER_EXPIRY_FEE)
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fee_stmt = select(func.sum(FinancialLedger.amount)).where(
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FinancialLedger.reference_type == "VOUCHER_EXPIRY_FEE",
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FinancialLedger.entry_type == LedgerEntryType.DEBIT
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)
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fee_result = await self.session.execute(fee_stmt)
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total_fees = fee_result.scalar() or Decimal('0')
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print(f" Összes levont fee: {total_fees}")
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# Adjusted ledger balance (excluding fees that left the user wallet system)
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adjusted_ledger = total_ledger_balance + total_fees # Fees were DEBIT, so add back
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# Compare wallet balance with adjusted ledger
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difference = abs(total_wallet_balance - adjusted_ledger)
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tolerance = Decimal('0.01') # 1 cent tolerance
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if difference > tolerance:
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error_msg = (
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f"DOUBLE-ENTRY HIBA! Wallet egyenleg ({total_wallet_balance}) != "
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f"Ledger egyenleg ({adjusted_ledger}), különbség: {difference}"
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)
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raise AssertionError(error_msg)
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print(f" ✅ ASSERT PASS: Wallet egyenleg
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async def main():
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test = FinancialTruthTest()
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await test.setup()
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await test.test_stripe_simulation()
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await test.test_internal_gifting()
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await test.test_voucher_expiration()
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await test.test_double_entry_audit()
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print("\n🎉 MINDEN TESZT SIKERES! A PÉNZÜGYI MOTOR ATOMBIZTOS! 🎉")
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if __name__ == "__main__":
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asyncio.run(main())
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