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test(presets): assert default colours are derived

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Replace weak != property checks with equality assertions against
derive_drum_colors / derive_mel_colors. The old checks passed even
without wiring; equality fails if patterns_for reverts to raw authored
defaults.
This commit is contained in:
L'électron rare
2026-06-29 21:29:18 +02:00
parent d0a66a5fd3
commit c7ba26100e
1 changed files with 3 additions and 4 deletions
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sound_algo/data_only/matrix_presets/test_contrast.py
+3 -4
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@@ -44,11 +44,10 @@ from patterns import patterns_for, MEL
# default family is derived: colours 2-6 are not all identical to colour 1
ac = patterns_for("acid", "techno_drive") # techno_drive maps mel-family default for acid
check(ac is not None and len(ac) == 6, "patterns_for returns 6")
check(ac[4] != ac[0] or ac[3] != ac[0], "default colours are contrasted (derived)")
# kick default colour 5 (sparse) has <= hits than colour 1
def dens2(p): return sum(1 for s in p if s is not None)
# WIRING: default-family colours 2-6 are EXACTLY the derived ones (proves the wiring)
kk = patterns_for("kick", "techno_drive")
check(dens2(kk[4]) <= dens2(kk[0]), "kick sparse <= base")
check(kk[1:] == derive_drum_colors(kk[0]), "kick default colours exactly derived")
check(ac[1:] == derive_mel_colors(ac[0]), "acid default colours exactly derived")
# authored style family is NOT derived: acid in psy preset keeps hand-authored set
psy = patterns_for("acid", "psytrance_roll")
check(psy == MEL["acid"]["psy"], "authored psy family untouched")