Julian Tabel
b0ac3714a9
Add pytest fixtures (engine, db_session, client) with session-scoped event loop to avoid asyncpg loop mismatch errors. Smoke tests verify all three main API endpoints return empty results on a clean DB. Test DB provided by docker-compose.test.yml on port 5433. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
36 lines
1.8 KiB
Markdown
36 lines
1.8 KiB
Markdown
---
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# nuzlocke-tracker-rrcf
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title: Set up backend test infrastructure
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status: completed
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type: task
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priority: normal
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created_at: 2026-02-10T09:32:57Z
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updated_at: 2026-02-21T11:33:32Z
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parent: nuzlocke-tracker-yzpb
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blocking:
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- nuzlocke-tracker-hjkk
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- nuzlocke-tracker-iam7
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- nuzlocke-tracker-ch77
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- nuzlocke-tracker-ugb7
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- nuzlocke-tracker-0arz
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- nuzlocke-tracker-9c66
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---
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Set up the foundational test infrastructure for the FastAPI backend so that all subsequent test tasks can build on it.
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## Approach
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- Session-scoped async engine: creates all tables once via `Base.metadata.create_all()`, drops them after all tests finish
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- Function-scoped `db_session` fixture: provides a fresh `AsyncSession`, overrides the `get_session` FastAPI dependency, and truncates all tables after each test for isolation
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- Function-scoped `client` fixture: `httpx.AsyncClient` with `ASGITransport` — hits the real app stack including middleware and routing
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- `asyncio_default_fixture_loop_scope = "session"` and `asyncio_default_test_loop_scope = "session"` added to pyproject.toml so all fixtures and tests share the same session event loop (required to avoid asyncpg "Future attached to different loop" errors)
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- Test database URL read from `TEST_DATABASE_URL` env var (default: `postgresql+asyncpg://postgres:postgres@localhost:5433/nuzlocke_test`)
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- The test DB is provided by `docker-compose.test.yml` (postgres on port 5433, `nuzlocke_test` DB created automatically)
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## Checklist
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- [x] Add `asyncio_default_fixture_loop_scope = "session"` and `asyncio_default_test_loop_scope = "session"` to `pyproject.toml`
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- [x] Create `backend/tests/conftest.py` with `engine`, `db_session`, and `client` fixtures
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- [x] Write a smoke test in `backend/tests/test_smoke.py` to verify the setup
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- [x] Verify all tests pass (`pytest` from backend dir)
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