Hosam-Eldin Mostafa
8fa4cf0be1
Restructures tests/hardware/ so that fixture access is controlled by
directory layout — pytest only walks upward through conftest.py files,
so a PSU test physically cannot request fio/alm/nad.
Layout:
- tests/hardware/conftest.py (unchanged: PSU fixtures)
- tests/hardware/mum/conftest.py NEW: _require_mum (session autouse),
fio (session), nad (session),
alm (session), _reset_to_off
(function autouse)
- tests/hardware/mum/** MUM tests + swe5/ + swe6/
- tests/hardware/psu/** PSU-only tests
- tests/hardware/babylin/** deprecated BabyLIN E2E
What this removes (was duplicated before):
- 7 verbatim copies of the `fio` fixture
- 6 copies of the `alm` fixture
- 6 copies of the `_reset_to_off` autouse
- 9 inline `if config.interface.type != "mum": pytest.skip(...)` gates
What this changes by design:
- fio / alm / nad scope: module → session. NAD discovery happens once
per run instead of once per module. The helpers are immutable beyond
their constructor args, so sharing them is safe; per-test state is
reset by the autouse `_reset_to_off`.
- test_overvolt.py: `_park_at_nominal` is now `_reset_to_off`, which
cleanly overrides the conftest's LED-only version (PSU + LED reset).
- test_mum_alm_animation_generated.py keeps a local `_reset_to_off` +
`_force_off` so its "no AlmTester anywhere" demonstration is preserved
via fixture override; the local `nad` is also retained because it
uses the typed `AlmStatus.receive` API.
Docs:
- docs/24_test_wiring.md NEW — describes the three-layer fixture
topology, lifecycle sequence diagram, helper class wiring, and the
playbook for adding a new framework component.
- docs/05_architecture_overview.md: add MCF (mum conftest) node to the
Mermaid diagram + mention it in the components list.
- docs/19_frame_io_and_alm_helpers.md: replace the per-module
fixture-wiring example with a request-fixtures-by-name snippet plus
the override pattern.
- Path references swept across docs/02, docs/14, docs/18, docs/20,
docs/README to point at the new locations.
Verified: pytest --collect-only collects 93 tests with no errors;
30 unit tests and 10 mock-only smoke tests pass; fixture-per-test
output shows PSU tests cannot see fio/alm/nad.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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