async def get_transactions(wallet_id: int, db: Db):
async with db.connection() as connection:
transactions = await connection.fetch(
sa.select([models.transaction]).where(wallet_id == wallet_id),
)
return [dict(t) for t in transactions]
async def test_make_transaction(self, client: dict, db: Db):
wallet_id = client['wallet']['id']
transactions = await get_transactions(wallet_id, db)
assert transactions == []
async with db.connection() as connection:
await Billing(connection).save_transaction(
wallet_id, Decimal('1'), OperationType.ACCRUAL,
description={'wallet_from': 2},
)
transactions = await get_transactions(wallet_id, db)
assert transactions == [
{
'id': EqMock(int),
'date': EqMock(datetime),
'type': OperationType.ACCRUAL,
'wallet_id': wallet_id,
'amount': Decimal('1'),
'description': '{"wallet_from": 2}', # BUG: https://github.com/CanopyTax/asyncpgsa/issues/44
},
]
async def client(self, db: Db):
async with db.executor(Billing) as executor:
client = await executor.create_client('Bill')
wallet = await executor.create_wallet(client['id'])
client['wallet'] = wallet
return client
async def db():
db = Db(app_config.DB_PG_URL)
await db.init()
yield db
await db.stop()
async def test_create_wallet(self, db: Db):
async with db.executor(Billing) as executor:
client = await executor.create_client('Bill')
wallet = await executor.create_wallet(client['id'])
assert wallet == {
'id': EqMock(int),
'balance': Decimal('0'),
}
async def test_create_client(self, db: Db):
async with db.transaction() as t:
client = await Billing(t).create_client('Bill')
assert client == {
'id': EqMock(int),
'name': 'Bill',
'date': EqMock(datetime),
}
async def make_transfer(wallet_from, wallet_to, amount: Decimal, db: Db):
async with db.executor(Billing, transaction=True) as billing:
await billing.change_balance(wallet_id=wallet_from, amount=-amount)
await billing.save_transaction(
wallet_id=wallet_from,
amount=-amount,
operation_type=OperationType.WRITE_OFF,
description={'to': wallet_to},
)
await billing.change_balance(wallet_id=wallet_to, amount=amount)
await billing.save_transaction(
wallet_id=wallet_to,
amount=amount,
operation_type=OperationType.ACCRUAL,
description={'from': wallet_from},
)
def create_app() -> FastAPI:
app = FastAPI()
db = Db(config.DB_PG_URL)
app.extra['db'] = db
@app.on_event("startup")
async def startup():
await db.init()
@app.on_event("shutdown")
async def shutdown():
await db.stop()
apply_error_handlers(app)
app.include_router(views.billing_router)
return app
async def charge_wallet(wallet_id: int, amount: Decimal, db: Db):
async with db.executor(Billing, transaction=True) as billing:
await billing.change_balance(wallet_id, amount)
await billing.save_transaction(wallet_id, amount,
OperationType.ACCRUAL)
async def get_client(client_id: int, db: Db) -> dict:
async with db.executor(Billing) as billing:
return await billing.get_client(client_id)
async def test_make_transaction_wallet_not_found(self, db: Db):
async with db.connection() as connection:
with pytest.raises(errors.NotFound):
await Billing(connection).save_transaction(1, Decimal('1'), OperationType.ACCRUAL)
async def test_create_wallet_with_wrong_currency(self, db: Db):
async with db.connection() as connection:
with pytest.raises(ValueError):
await Billing(connection).create_wallet(1, 'RUB')
async def test_create_wallet_client_not_found(self, db: Db):
async with db.connection() as connection:
with pytest.raises(errors.NotFound):
await Billing(connection).create_wallet(client_id=1)
async def test_get_client_not_found(self, db: Db):
async with db.connection() as connection:
with pytest.raises(errors.NotFound):
await Billing(connection).get_client(1)
async def test_get_client(self, client, db: Db):
async with db.connection() as connection:
found_client = await Billing(connection).get_client(client['id'])
assert found_client == client
assert found_client is not client
async def create_client(name: str, db: Db) -> dict:
async with db.executor(Billing, transaction=True) as executor:
client = await executor.create_client(name=name)
client['wallet'] = await executor.create_wallet(client_id=client['id'])
return client
async def test_change_balance_not_enough_money(self, client: dict, db: Db):
async with db.connection() as connection:
with pytest.raises(errors.NotEnoughMoney):
await Billing(connection).change_balance(client['wallet']['id'], -Decimal('1'))
async def test_change_balance_wallet_not_found(self, db: Db):
async with db.connection() as connection:
with pytest.raises(errors.NotFound):
await Billing(connection).change_balance(1, Decimal('1'))
async def get_balance(wallet_id, db: Db):
async with db.connection() as connection:
return await connection.fetchval(
sa.select([models.wallet.c.balance
]).where(models.wallet.c.id == wallet_id, ), )
