Files
thefux d098139120 fix: return structured error envelope from POST /v1/wallet/topup
The topup endpoint was the only token-redemption path that returned a
plain string under  — the X-Cashu (chat completions) and bearer
(API key minting) paths both return the structured envelope
.

All three paths already share , so the
topup path classified the error into type/code/status/message but then
discarded  and , putting only the message string in .

This commit makes topup reuse
(already used by the bearer path) so clients get the same /
on every redemption endpoint and can branch on / uniformly
instead of topup being a special case that only exposes the HTTP status.

Changes:
- balance.py: import and use ;
  unclassified 500 also returns structured /
- errors.md: document that all three paths now expose type/code;
  update the topup error example to show the structured envelope
- endpoints.md: fix stale success response (was {balance, amount_added,
  currency}; actual shape is {msats: int})
- test_balance.py: assert full structured envelope (type, code, message)
  instead of just the plain-string detail
- test_wallet_topup.py, test_error_handling_edge_cases.py,
  test_swap_fee_retry.py: handle detail-as-dict in integration tests
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FastAPI Async Unit Tests

This directory contains async unit tests for the Routstr proxy FastAPI application.

Installation

First, ensure you have the development dependencies installed:

uv pip install -e ".[dev]"

Running Tests

To run all tests:

pytest

To run tests with coverage:

pytest --cov=routstr --cov-report=html

To run specific test files:

pytest tests/test_main.py
pytest tests/test_models.py
pytest tests/test_proxy.py

To run only async tests:

pytest -m asyncio

Test Structure

  • conftest.py - Pytest fixtures and configuration
  • test_main.py - Tests for main app endpoints
  • test_account.py - Tests for wallet/account management endpoints
  • test_proxy.py - Tests for the proxy functionality with mocked upstream
  • test_models.py - Tests for model pricing and data structures

Key Fixtures

  • async_client - Async HTTP client for testing FastAPI endpoints
  • test_session - In-memory SQLite database session for tests
  • test_api_key - Pre-configured API key with balance
  • api_key_with_balance - API key with sufficient balance for proxy tests

Environment Variables

The tests automatically set up required environment variables in conftest.py. No manual configuration needed.

Writing New Tests

  1. Use @pytest.mark.asyncio for async tests
  2. Use the provided fixtures for database and client access
  3. Mock external dependencies (like upstream API calls)
  4. Test both success and error cases
  5. Verify database state changes when applicable