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80 lines
2.7 KiB
JavaScript
80 lines
2.7 KiB
JavaScript
const assert = require('node:assert/strict');
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const test = require('node:test');
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const {
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buildRfmSegments,
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buildDateFilter,
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getRfmSegment,
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normalizeDateParam,
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scoreTertile
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} = require('../services/analyticsService');
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test('normalizeDateParam accepts strict ISO dates', () => {
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assert.equal(normalizeDateParam('2026-05-28'), '2026-05-28');
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});
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test('normalizeDateParam rejects non-ISO or impossible dates', () => {
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assert.equal(normalizeDateParam('28/05/2026'), null);
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assert.equal(normalizeDateParam('2026-02-31'), null);
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assert.equal(normalizeDateParam(''), null);
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});
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test('buildDateFilter builds bounded date predicates', () => {
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const filter = buildDateFilter({ start: '2026-05-01', end: '2026-05-28' });
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assert.deepEqual(filter.params, ['2026-05-01', '2026-05-28']);
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assert.equal(
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filter.whereClause,
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'WHERE data_pedido_date IS NOT NULL AND data_pedido_date >= $1::date AND data_pedido_date <= $2::date'
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);
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});
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test('buildDateFilter ignores invalid bounds', () => {
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const filter = buildDateFilter({ start: 'invalid', end: '2026-05-28' });
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assert.deepEqual(filter.params, ['2026-05-28']);
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assert.equal(
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filter.whereClause,
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'WHERE data_pedido_date IS NOT NULL AND data_pedido_date <= $1::date'
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);
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});
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test('scoreTertile scores higher values higher by default', () => {
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const values = [10, 20, 30, 40, 50];
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assert.equal(scoreTertile(10, values), 1);
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assert.equal(scoreTertile(30, values), 2);
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assert.equal(scoreTertile(50, values), 3);
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});
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test('scoreTertile can score lower values higher for recency', () => {
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const recencyDays = [2, 10, 20, 40, 80];
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assert.equal(scoreTertile(2, recencyDays, false), 3);
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assert.equal(scoreTertile(20, recencyDays, false), 2);
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assert.equal(scoreTertile(80, recencyDays, false), 1);
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});
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test('getRfmSegment maps the 3x3 RFM matrix', () => {
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assert.deepEqual(getRfmSegment(3, 3), { key: 'champions', label: 'Champions' });
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assert.deepEqual(getRfmSegment(2, 2), { key: 'need_attention', label: 'Precisam de Atenção' });
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assert.deepEqual(getRfmSegment(1, 1), { key: 'lost', label: 'Perdidos' });
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});
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test('buildRfmSegments summarizes segment count and revenue', () => {
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const segments = buildRfmSegments([
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{ segmentKey: 'champions', monetary: 100 },
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{ segmentKey: 'champions', monetary: 50 },
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{ segmentKey: 'lost', monetary: 25 }
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]);
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const champions = segments.find(segment => segment.key === 'champions');
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const lost = segments.find(segment => segment.key === 'lost');
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assert.equal(champions.count, 2);
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assert.equal(champions.totalRevenue, 150);
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assert.equal(champions.averageRevenue, 75);
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assert.equal(lost.count, 1);
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assert.equal(lost.totalRevenue, 25);
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});
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