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import { describe, expect, test } from 'vitest'
import { TICK_UNIT_BY_LIFE_STAGE, lifeStageForAge, tickUnitForAge } from '@hollowdark/time/granularity'
describe('lifeStageForAge', () => {
test('stage boundaries', () => {
expect(lifeStageForAge(0)).toBe('infancy')
expect(lifeStageForAge(2)).toBe('infancy')
expect(lifeStageForAge(3)).toBe('early_childhood')
expect(lifeStageForAge(6)).toBe('early_childhood')
expect(lifeStageForAge(7)).toBe('middle_childhood')
expect(lifeStageForAge(12)).toBe('middle_childhood')
expect(lifeStageForAge(13)).toBe('adolescence')
expect(lifeStageForAge(17)).toBe('adolescence')
expect(lifeStageForAge(18)).toBe('young_adult')
expect(lifeStageForAge(29)).toBe('young_adult')
expect(lifeStageForAge(30)).toBe('middle_adult')
expect(lifeStageForAge(59)).toBe('middle_adult')
expect(lifeStageForAge(60)).toBe('late_adult')
expect(lifeStageForAge(75)).toBe('late_adult')
expect(lifeStageForAge(76)).toBe('elderly')
expect(lifeStageForAge(100)).toBe('elderly')
})
test('rejects negative age', () => {
expect(() => lifeStageForAge(-1)).toThrow()
})
})
describe('tickUnitForAge', () => {
test('infancy = year', () => {
expect(tickUnitForAge(1)).toBe('year')
})
test('childhood = season', () => {
expect(tickUnitForAge(5)).toBe('season')
expect(tickUnitForAge(10)).toBe('season')
})
test('adolescence = month', () => {
expect(tickUnitForAge(15)).toBe('month')
})
test('adult life = week', () => {
expect(tickUnitForAge(25)).toBe('week')
expect(tickUnitForAge(45)).toBe('week')
expect(tickUnitForAge(70)).toBe('week')
})
test('elderly = month', () => {
expect(tickUnitForAge(80)).toBe('month')
})
})
describe('TICK_UNIT_BY_LIFE_STAGE has every stage', () => {
test('every life stage has a tick unit', () => {
const stages = [
'infancy',
'early_childhood',
'middle_childhood',
'adolescence',
'young_adult',
'middle_adult',
'late_adult',
'elderly'
] as const
for (const s of stages) {
expect(TICK_UNIT_BY_LIFE_STAGE[s]).toBeDefined()
}
})
})
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