51 lines
2.0 KiB
Markdown
51 lines
2.0 KiB
Markdown
---
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# nuzlocke-tracker-9xac
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title: Fix stale PostgreSQL enum causing test failures
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status: completed
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type: bug
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priority: normal
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created_at: 2026-03-21T10:27:53Z
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updated_at: 2026-03-21T10:29:33Z
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---
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## Problem
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The backend smoke tests fail with:
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```
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sqlalchemy.exc.DBAPIError: invalid input value for enum run_visibility: "public"
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```
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This happens during `Base.metadata.create_all` in the `engine` fixture (`backend/tests/conftest.py:27`).
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## Root Cause
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The `engine` fixture only calls `create_all` during setup and `drop_all` during teardown. If a previous test run was interrupted before teardown, the `run_visibility` PostgreSQL enum type persists in the test database with stale/incorrect values. On the next run, `create_all` (with `checkfirst=True` default) sees the enum exists and skips recreating it, but the existing enum lacks valid values, causing the `DEFAULT 'public'` to fail.
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PostgreSQL native enum types are not automatically dropped with `DROP TABLE` — they require explicit `DROP TYPE`.
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## Fix
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In the `engine` fixture at `backend/tests/conftest.py:23-31`, add `Base.metadata.drop_all` before `create_all` to ensure a clean slate:
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```python
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@pytest.fixture(scope="session")
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async def engine():
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eng = create_async_engine(TEST_DATABASE_URL, echo=False)
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async with eng.begin() as conn:
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await conn.run_sync(Base.metadata.drop_all) # <-- add this
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await conn.run_sync(Base.metadata.create_all)
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yield eng
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async with eng.begin() as conn:
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await conn.run_sync(Base.metadata.drop_all)
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await eng.dispose()
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```
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## Checklist
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- [x] Add `drop_all` before `create_all` in the `engine` fixture (`backend/tests/conftest.py`)
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- [x] Verify tests pass with `pytest backend/tests/test_smoke.py`
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## Summary of Changes
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Added `drop_all` before `create_all` in the test engine fixture to ensure stale PostgreSQL enum types are cleared before recreating the schema. This prevents test failures when a previous test run was interrupted before cleanup.
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