b0f4ebc1ed
Extends the electoral baseline with multi-year seeding, computeVoteTrend, list/detail UI, and registers post-simplify follow-ups as E7.
119 lines
3.6 KiB
TypeScript
119 lines
3.6 KiB
TypeScript
// @vitest-environment node
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import { describe, expect, it } from 'vitest'
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import { aggregateVoteTrend, comparableTrendCount, computeGapVs2022, computeVoteTrend } from '@/lib/electionInsights'
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import type { NucleusElectoralBaselineViewModel } from '@/utilities/nucleusViewModels'
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const baseline = (candidateVotes: number): NucleusElectoralBaselineViewModel => ({
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candidate: { votes: candidateVotes, rank: candidateVotes > 0 ? 1 : null },
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president: null,
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governor: null,
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electorate: { aptos: 0, validos: 0, brancos: 0, nulos: 0, abstencoes: 0 },
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winnerFederal: null,
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series: { y2014: 0, y2018: 0, y2022: candidateVotes },
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})
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describe('computeGapVs2022', () => {
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it('reports below when the estimate is under the 2022 patamar', () => {
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expect(computeGapVs2022(baseline(850), 500)).toEqual({
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gap: -350,
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ratio: 500 / 850,
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status: 'below',
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message: 'Faltam 350 votos para o patamar de 2022',
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})
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})
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it('reports above with the percent over 2022', () => {
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expect(computeGapVs2022(baseline(850), 952)).toMatchObject({
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gap: 102,
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status: 'above',
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message: 'Já superamos 2022 em 12%',
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})
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})
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it('reports noCandidateVotes when the geography had zero candidate votes in 2022', () => {
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expect(computeGapVs2022(baseline(0), 100)).toEqual({
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gap: null,
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ratio: null,
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status: 'noCandidateVotes',
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message: 'Jorge Solla não recebeu votos aqui em 2022 — território novo a abrir',
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})
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})
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it('reports noEstimate when confirmedVoteEstimate is null', () => {
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expect(computeGapVs2022(baseline(850), null)).toEqual({
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gap: null,
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ratio: null,
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status: 'noEstimate',
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message: 'Sem estimativa confirmada para comparar',
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})
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})
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it('reports noBaseline when geography is missing', () => {
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expect(computeGapVs2022(null, 100)).toEqual({
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gap: null,
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ratio: null,
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status: 'noBaseline',
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message: 'Sem baseline TSE (informe território/município)',
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})
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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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describe('aggregateVoteTrend', () => {
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it('counts trend statuses across nucleus series', () => {
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expect(
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aggregateVoteTrend([
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{ y2014: 1000, y2018: 1200, y2022: 1400 },
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{ y2014: 1000, y2018: 1200, y2022: 1000 },
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{ y2014: 0, y2018: 0, y2022: 500 },
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]),
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).toEqual({
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increase: 1,
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decline: 1,
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stable: 0,
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noBaseline: 1,
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})
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})
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})
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describe('comparableTrendCount', () => {
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it('sums increase, stable, and decline only', () => {
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expect(
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comparableTrendCount({ increase: 2, stable: 1, decline: 3, noBaseline: 4 }),
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).toBe(6)
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})
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})
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