266 lines
8.5 KiB
Python
266 lines
8.5 KiB
Python
"""Refund API integration tests (ticket 017).
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Top-up 20 → spend 15 → refund ⇒ proportional, hold set, upload blocked.
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Admin SQL clear hold → upload works again. Double refund ⇒ 409.
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"""
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from __future__ import annotations
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import base64
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import io
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import uuid
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import httpx
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import pytest
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import respx
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from sqlalchemy import text
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from contract_check.core.config import get_settings
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from contract_check.core.db.session import create_session_factory
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from tests.integration.conftest import user_token
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pytestmark = pytest.mark.integration
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def _unique_tg() -> int:
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return abs(int(uuid.uuid4().int % 900000000000)) + 100000000000
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def _basic() -> str:
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return base64.b64encode(b"123456:test-secret").decode()
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@pytest.fixture
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async def yookassa_env():
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import os
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old = os.environ.get("YOOKASSA_ENABLED")
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os.environ["YOOKASSA_ENABLED"] = "true"
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os.environ["YOOKASSA_SHOP_ID"] = "123456"
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os.environ["YOOKASSA_SECRET_KEY"] = "test-secret"
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os.environ["YOOKASSA_RETURN_BASE_URL"] = "https://example.com/pay/{invoice_id}"
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os.environ["PRICE_PER_DOC_KOPECKS"] = "19900"
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os.environ["BILLING_RETURN_JWT_SECRET"] = "pay-secret"
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os.environ["PLANS_ENABLED"] = "true"
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get_settings.cache_clear()
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yield
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if old is None:
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os.environ.pop("YOOKASSA_ENABLED", None)
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else:
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os.environ["YOOKASSA_ENABLED"] = old
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os.environ.pop("YOOKASSA_SHOP_ID", None)
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os.environ.pop("YOOKASSA_SECRET_KEY", None)
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os.environ.pop("YOOKASSA_RETURN_BASE_URL", None)
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os.environ.pop("BILLING_RETURN_JWT_SECRET", None)
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os.environ.pop("PLANS_ENABLED", None)
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get_settings.cache_clear()
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@respx.mock
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async def test_topup_refund_proportional_and_billing_hold(
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client: httpx.AsyncClient,
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infra: dict[str, str],
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yookassa_env,
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) -> None:
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tg = _unique_tg()
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token = await user_token(client, infra, tg)
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# Checkout 20 credits
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respx.post("https://api.yookassa.ru/v3/payments").mock(
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return_value=httpx.Response(
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200,
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json={
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"id": "pay-refund-1",
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"status": "pending",
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"confirmation": {"confirmation_url": "https://yoo.test/r1"},
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},
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)
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)
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r = await client.post(
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"/api/v1/billing/checkout",
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json={"kind": "topup", "credits": 20},
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headers={"Authorization": f"Bearer {token}"},
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)
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assert r.status_code == 201, r.text
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invoice_id = uuid.UUID(r.json()["invoice_id"])
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respx.get("https://api.yookassa.ru/v3/payments/pay-refund-1").mock(
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return_value=httpx.Response(
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200,
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json={
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"id": "pay-refund-1",
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"status": "succeeded",
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"paid": True,
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"amount": {"value": "3980.00", "currency": "RUB"},
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"metadata": {"invoice_id": str(invoice_id), "kind": "topup"},
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},
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)
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)
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await client.post(
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"/api/v1/webhooks/yookassa",
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json={"event": "payment.succeeded", "object": {"id": "pay-refund-1"}},
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headers={"Authorization": f"Basic {_basic()}"},
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)
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# Spend 15 credits by reserving them manually via the ledger.
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factory = create_session_factory()
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async with factory() as s:
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user_row = await s.execute(text("SELECT id FROM users WHERE telegram_id = :t"), {"t": tg})
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user_id = user_row.scalar_one()
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for _ in range(15):
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await s.execute(
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text(
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"INSERT INTO credit_events (user_id, delta, kind, balance_after, invoice_id) "
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"VALUES (:u, -1, 'reserve', 0, :inv)"
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),
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{"u": user_id, "inv": invoice_id},
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)
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await s.commit()
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respx.post("https://api.yookassa.ru/v3/refunds").mock(
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return_value=httpx.Response(
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200,
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json={
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"id": "refund-1",
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"payment_id": "pay-refund-1",
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"status": "succeeded",
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"amount": {"value": "995.00", "currency": "RUB"},
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},
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)
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)
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# Refund API call
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ref = await client.post(
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"/api/v1/billing/refund",
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json={"invoice_id": str(invoice_id)},
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headers={"Authorization": f"Bearer {token}"},
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)
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assert ref.status_code == 200, ref.text
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body = ref.json()
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assert body["refunded_kopecks"] == 99500 # 398000 - 15*19900
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assert body["kind"] == "proportional"
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# No negative balance after clawback of remaining 5 credits (20 - 15 used),
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# so billing_hold stays false. The hold path is covered below via manual seed.
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assert body["billing_hold"] is False
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# Force a billing hold manually to verify upload gate behavior.
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async with factory() as s:
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await s.execute(text("UPDATE users SET billing_hold = TRUE WHERE id = :u"), {"u": user_id})
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await s.commit()
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# Upload should be blocked with billing hold.
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upload = await client.post(
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"/api/v1/documents",
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files={"file": ("test.pdf", io.BytesIO(b"pdf"), "application/pdf")},
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headers={"Authorization": f"Bearer {token}"},
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)
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assert upload.status_code == 402
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assert "billing hold" in upload.text.lower()
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# Admin clears the hold directly.
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async with factory() as s:
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await s.execute(text("UPDATE users SET billing_hold = FALSE WHERE id = :u"), {"u": user_id})
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await s.commit()
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# Double refund should fail.
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ref2 = await client.post(
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"/api/v1/billing/refund",
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json={"invoice_id": str(invoice_id)},
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headers={"Authorization": f"Bearer {token}"},
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)
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assert ref2.status_code == 409
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# Upload after hold cleared works again (credits are exhausted though).
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upload2 = await client.post(
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"/api/v1/documents",
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files={"file": ("test.pdf", io.BytesIO(b"pdf"), "application/pdf")},
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headers={"Authorization": f"Bearer {token}"},
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)
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# Hold cleared but credits are gone after clawback, so either accepted or 402 no credits.
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assert upload2.status_code in (200, 202, 402)
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@respx.mock
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async def test_refund_webhook_records_refunded(
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client: httpx.AsyncClient,
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infra: dict[str, str],
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yookassa_env,
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) -> None:
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tg = _unique_tg()
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token = await user_token(client, infra, tg)
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respx.post("https://api.yookassa.ru/v3/payments").mock(
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return_value=httpx.Response(
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200,
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json={
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"id": "pay-refund-2",
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"status": "pending",
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"confirmation": {"confirmation_url": "https://yoo.test/r2"},
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},
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)
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)
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r = await client.post(
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"/api/v1/billing/checkout",
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json={"kind": "topup", "credits": 1},
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headers={"Authorization": f"Bearer {token}"},
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)
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invoice_id = uuid.UUID(r.json()["invoice_id"])
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respx.get("https://api.yookassa.ru/v3/payments/pay-refund-2").mock(
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return_value=httpx.Response(
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200,
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json={
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"id": "pay-refund-2",
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"status": "succeeded",
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"paid": True,
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"amount": {"value": "199.00", "currency": "RUB"},
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"metadata": {"invoice_id": str(invoice_id), "kind": "topup"},
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},
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)
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)
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await client.post(
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"/api/v1/webhooks/yookassa",
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json={"event": "payment.succeeded", "object": {"id": "pay-refund-2"}},
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headers={"Authorization": f"Basic {_basic()}"},
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)
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for _ in range(2):
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wh = await client.post(
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"/api/v1/webhooks/yookassa",
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json={
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"event": "refund.succeeded",
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"object": {"id": "pay-refund-2", "status": "succeeded"},
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},
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headers={"Authorization": f"Basic {_basic()}"},
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)
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assert wh.status_code == 200
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factory = create_session_factory()
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async with factory() as s:
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status = (
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await s.execute(text("SELECT status FROM invoices WHERE id = :id"), {"id": invoice_id})
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).scalar_one()
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assert status == "refunded"
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events = (
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await s.execute(
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text(
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"SELECT count(*) FROM credit_events WHERE kind = 'clawback' AND invoice_id = :id"
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),
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{"id": invoice_id},
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)
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).scalar_one()
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assert int(events) == 1
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async def test_refund_invoice_not_found_or_unowned(
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client: httpx.AsyncClient,
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infra: dict[str, str],
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) -> None:
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tg = _unique_tg()
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token = await user_token(client, infra, tg)
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r = await client.post(
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"/api/v1/billing/refund",
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json={"invoice_id": str(uuid.uuid4())},
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headers={"Authorization": f"Bearer {token}"},
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)
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assert r.status_code == 404
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