0c1127b35a
- formatElectionNumber -> src/lib/electionFormat.ts (13 importers); computeVoteTrend + tipos -> src/lib/voteTrend.ts - ~52 exports sem consumidor deletados (limiares 35/20/10 da era nucleos, gap vs 2022, conversao, mobilizacao, ticket flip/leverage) - decisao D2; formulas no git history; E10 nasce em modulo novo (nota no plano classificacao-territorial-relativa.md) - specs: voteTrend.unit.spec.ts (pins vivos + pin do defeito E18 de fracao), electionPartySpectrum.unit.spec.ts sem os blocos de ticket; electionInsights.unit.spec.ts deletado - fix de regressao W2 pega pelo knip: scripts/import-projecao.mjs importava voteEstimate/slug nos paths antigos (knip agora roda sem pipe mascarando exit code) - knip unused exports: 157 -> 140
49 lines
1.6 KiB
TypeScript
49 lines
1.6 KiB
TypeScript
// @vitest-environment node
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import { describe, expect, it } from 'vitest'
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import { formatElectionNumber } from '@/lib/electionFormat'
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import { computeVoteTrend } from '@/lib/voteTrend'
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describe('formatElectionNumber', () => {
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it('formats whole votes with pt-BR thousands separators', () => {
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expect(formatElectionNumber(150_000)).toBe('150.000')
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})
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it('never renders decimals — a fractional goal must not read as thousands (E18 defect)', () => {
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expect(formatElectionNumber(100.968)).toBe('101')
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})
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})
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describe('computeVoteTrend', () => {
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it('classifies increase when the latest step exceeds 10%', () => {
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expect(computeVoteTrend({ y2014: 1000, y2018: 1200, y2022: 1400 })).toMatchObject({
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status: 'increase',
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ratio: 1400 / 1200,
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})
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})
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it('classifies decline when the latest step drops more than 10%', () => {
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expect(computeVoteTrend({ y2014: 1000, y2018: 1200, y2022: 1000 })).toMatchObject({
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status: 'decline',
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ratio: 1000 / 1200,
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})
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})
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it('classifies stable within the ±10% band on the preferred 2018→2022 pair', () => {
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expect(computeVoteTrend({ y2014: 500, y2018: 1000, y2022: 1050 })).toMatchObject({
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status: 'stable',
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ratio: 1.05,
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})
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})
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it('falls back to 2014→2018 when 2022 is missing', () => {
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expect(computeVoteTrend({ y2014: 1000, y2018: 1500, y2022: 0 })).toMatchObject({
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status: 'increase',
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})
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})
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it('reports noBaseline with fewer than two non-zero years', () => {
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expect(computeVoteTrend({ y2014: 0, y2018: 0, y2022: 500 }).status).toBe('noBaseline')
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})
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})
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