fleeting-garden/src/config/vibe-presets.test.ts

80 lines
2.6 KiB
TypeScript

import { describe, expect, it } from 'vitest';
import { vibePresets } from './vibe-presets';
const FINAL_VIBE_NAMES = [
'Aurora Mycelium Copy',
'Velvet Observatory',
'Lichen Signal',
'Tidepool Lantern',
'Paper Lantern Fog Copy',
'Chrome Pollen',
];
const BLENDED_BRUSH_SIZE_MIN = 17;
const BLENDED_CLARITY_MAX = 0.56;
const SOFT_PARTICLE_BRUSH_SIZE_MAX = 5;
const SOFT_PARTICLE_CLARITY_MAX = 0.2;
// Performance guardrails — bumping any of these is an explicit perf trade-off.
const MAX_SPAWN_PER_PIXEL = 0.38;
const MAX_BRUSH_SIZE = 36;
const HIGH_DENSITY_SPAWN_THRESHOLD = 0.28;
const HIGH_DENSITY_DECAY_LIMIT = 940;
const HIGH_DENSITY_BRUSH_SIZE_LIMIT = 14;
const HIGH_DENSITY_TRAIL_WEIGHT_LIMIT = 0.055;
describe('vibePresets', () => {
it('keeps the classic preset set distinct', () => {
expect(vibePresets.map((preset) => preset.name)).toEqual(FINAL_VIBE_NAMES);
const ids = vibePresets.map((preset) => preset.id);
expect(new Set(ids).size).toBe(vibePresets.length);
});
it('includes both blended and visibly particulate styles', () => {
const blendedNames = vibePresets
.filter(
(preset) =>
preset.settings.brushSize >= BLENDED_BRUSH_SIZE_MIN &&
preset.settings.clarity <= BLENDED_CLARITY_MAX
)
.map((preset) => preset.name);
const softParticleNames = vibePresets
.filter(
(preset) =>
preset.settings.brushSize <= SOFT_PARTICLE_BRUSH_SIZE_MAX &&
preset.settings.clarity <= SOFT_PARTICLE_CLARITY_MAX
)
.map((preset) => preset.name);
expect(blendedNames).toEqual(['Tidepool Lantern']);
expect(softParticleNames).toEqual(['Chrome Pollen']);
});
it('stays inside interactive performance guardrails', () => {
const violations = vibePresets.flatMap((preset) => {
const { name, settings } = preset;
const presetViolations: Array<string> = [];
if (settings.spawnPerPixel > MAX_SPAWN_PER_PIXEL) {
presetViolations.push(`${name} density exceeds ${MAX_SPAWN_PER_PIXEL}`);
}
if (settings.brushSize > MAX_BRUSH_SIZE) {
presetViolations.push(`${name} brush size exceeds ${MAX_BRUSH_SIZE}`);
}
if (
settings.spawnPerPixel >= HIGH_DENSITY_SPAWN_THRESHOLD &&
(settings.decayRateTrails > HIGH_DENSITY_DECAY_LIMIT ||
settings.brushSize > HIGH_DENSITY_BRUSH_SIZE_LIMIT ||
settings.individualTrailWeight > HIGH_DENSITY_TRAIL_WEIGHT_LIMIT)
) {
presetViolations.push(`${name} combines high density with too much persistence`);
}
return presetViolations;
});
expect(violations).toEqual([]);
});
});