Alexander Whitestone f0f117cdd3 fix(tests): quant_selector quality-order assertion matches design intent (#138, #139) ...

The test `test_levels_ordered_by_quality` asserted strictly descending
`bits_per_channel`, but `q4_0` (4.0 bits) is a non-TurboQuant fallback
placed last regardless of bit width. The design invariant is:

- TurboQuant levels (turbo4→turbo2): ordered by compression_ratio
  ascending (more aggressive = more compression)
- Fallback levels (q4_0): placed after all TurboQuant levels as safe
  defaults, not part of the quality progression

Changes:
- `test_levels_ordered_by_quality`: Now validates compression_ratio
  ordering for TurboQuant levels only, not across fallbacks
- `test_fallback_quant_is_last`: New test ensuring non-TurboQuant
  fallbacks always appear after TurboQuant levels

Closes #138
Closes #139 (duplicate)

2026-04-21 07:25:52 -04:00

7.3 KiB

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