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routstr-core/tests/integration/test_child_keys.py
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132 lines
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Python

import pytest
import secrets
from fastapi import HTTPException
from routstr.core.db import ApiKey
from routstr.balance import create_child_key
from routstr.auth import pay_for_request, adjust_payment_for_tokens
from routstr.core.settings import settings
@pytest.mark.asyncio
async def test_child_key_flow(integration_session):
# 1. Create a parent key with balance
parent_raw = "parent_test_key_" + secrets.token_hex(4)
parent_key = ApiKey(
hashed_key=parent_raw,
balance=10000, # 10 sats
)
integration_session.add(parent_key)
await integration_session.commit()
await integration_session.refresh(parent_key)
# Mock settings
settings.child_key_cost = 1000 # 1 sat
# 2. Call create_child_key
result = await create_child_key(parent_key, integration_session)
assert "api_key" in result
assert result["cost_msats"] == 1000
assert result["parent_balance"] == 9000
child_key_raw = result["api_key"][3:] # remove sk-
# 3. Verify child key exists in DB
child_key_db = await integration_session.get(ApiKey, child_key_raw)
assert child_key_db is not None
assert child_key_db.parent_key_hash == parent_key.hashed_key
assert child_key_db.balance == 0
# 4. Test payment with child key
cost = 500
await pay_for_request(child_key_db, cost, integration_session)
# Refresh keys
await integration_session.refresh(parent_key)
await integration_session.refresh(child_key_db)
# Parent should be charged
assert parent_key.reserved_balance == 500
assert parent_key.total_requests == 1
# Child should have total_requests incremented
assert child_key_db.total_requests == 1
# 5. Test adjustment
response_data = {"model": "test-model", "usage": {"total_tokens": 10}}
# Mock calculate_cost
import routstr.auth
from routstr.payment.cost_calculation import CostData
async def mock_calculate_cost(*args, **kwargs):
return CostData(
base_msats=0, input_msats=200, output_msats=200, total_msats=400
)
# Patch calculate_cost
original_calculate_cost = routstr.auth.calculate_cost
routstr.auth.calculate_cost = mock_calculate_cost
try:
adjustment = await adjust_payment_for_tokens(
child_key_db, response_data, integration_session, 500
)
assert adjustment["total_msats"] == 400
# Refresh keys
await integration_session.refresh(parent_key)
await integration_session.refresh(child_key_db)
# Parent should have updated balance and total_spent
assert parent_key.reserved_balance == 0
assert parent_key.balance == 9000 - 400
assert (
parent_key.total_spent == 1400
) # 1000 for child key creation + 400 for request
# Child should also have total_spent updated
assert child_key_db.total_spent == 400
finally:
routstr.auth.calculate_cost = original_calculate_cost
@pytest.mark.asyncio
async def test_child_key_insufficient_balance(integration_session):
parent_key = ApiKey(
hashed_key="poor_parent_" + secrets.token_hex(4),
balance=500,
)
integration_session.add(parent_key)
await integration_session.commit()
await integration_session.refresh(parent_key)
settings.child_key_cost = 1000
with pytest.raises(HTTPException) as exc:
await create_child_key(parent_key, integration_session)
assert exc.value.status_code == 402
@pytest.mark.asyncio
async def test_child_key_cannot_create_child(integration_session):
parent_key = ApiKey(
hashed_key="parent_" + secrets.token_hex(4),
balance=10000,
)
child_key = ApiKey(
hashed_key="child_" + secrets.token_hex(4),
balance=0,
parent_key_hash=parent_key.hashed_key,
)
integration_session.add(parent_key)
integration_session.add(child_key)
await integration_session.commit()
await integration_session.refresh(child_key)
with pytest.raises(HTTPException) as exc:
await create_child_key(child_key, integration_session)
assert exc.value.status_code == 400
assert "Cannot create a child key for another child key" in str(exc.value.detail)