Janpeter Visser
fb3e55b9c0
Server-side aggregatie per active sprint: bouwt time-series met remaining en ideal per dag. Inclusief 4 Vitest-unit-tests voor de pure computeBurndownDays functie. Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
57 lines
2 KiB
TypeScript
57 lines
2 KiB
TypeScript
import { describe, it, expect, vi } from 'vitest'
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vi.mock('@/lib/prisma', () => ({ prisma: {} }))
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import { computeBurndownDays } from '@/lib/insights/burndown'
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describe('computeBurndownDays', () => {
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it('5-day sprint: remaining and ideal match spec', () => {
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const start = new Date('2024-01-01T00:00:00.000Z')
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const end = new Date('2024-01-05T00:00:00.000Z')
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const tasks = [
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{ status: 'DONE', updated_at: new Date('2024-01-02T12:00:00.000Z') },
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{ status: 'DONE', updated_at: new Date('2024-01-04T12:00:00.000Z') },
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{ status: 'IN_PROGRESS', updated_at: new Date('2024-01-05T12:00:00.000Z') },
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]
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const days = computeBurndownDays(tasks, start, end)
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expect(days).toHaveLength(5)
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expect(days.map(d => d.remaining)).toEqual([3, 2, 2, 1, 1])
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expect(days.map(d => d.ideal)).toEqual([3, 2.25, 1.5, 0.75, 0])
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expect(days.map(d => d.day)).toEqual([
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'2024-01-01',
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'2024-01-02',
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'2024-01-03',
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'2024-01-04',
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'2024-01-05',
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])
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})
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it('returns empty array when end is before start', () => {
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const start = new Date('2024-01-05T00:00:00.000Z')
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const end = new Date('2024-01-01T00:00:00.000Z')
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expect(computeBurndownDays([], start, end)).toEqual([])
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})
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it('single-day sprint has ideal = 0', () => {
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const day = new Date('2024-01-01T00:00:00.000Z')
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const tasks = [{ status: 'TO_DO', updated_at: new Date('2024-01-01T08:00:00.000Z') }]
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const days = computeBurndownDays(tasks, day, day)
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expect(days).toHaveLength(1)
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expect(days[0].ideal).toBe(0)
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expect(days[0].remaining).toBe(1)
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})
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it('all tasks done on first day: remaining drops to 0', () => {
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const start = new Date('2024-01-01T00:00:00.000Z')
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const end = new Date('2024-01-03T00:00:00.000Z')
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const tasks = [
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{ status: 'DONE', updated_at: new Date('2024-01-01T10:00:00.000Z') },
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{ status: 'DONE', updated_at: new Date('2024-01-01T11:00:00.000Z') },
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]
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const days = computeBurndownDays(tasks, start, end)
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expect(days.map(d => d.remaining)).toEqual([0, 0, 0])
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})
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})
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