43 lines
1.6 KiB
TypeScript
43 lines
1.6 KiB
TypeScript
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import { describe, expect, it } from 'vitest'
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import { estimateTrainTrip } from '../../server/utils/estimate'
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describe('estimateTrainTrip', () => {
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const grenoble = { lat: 45.1885, lon: 5.7245 }
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const marseille = { lat: 43.2965, lon: 5.3698 }
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const lille = { lat: 50.6292, lon: 3.0573 }
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const paris = { lat: 48.8566, lon: 2.3522 }
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it('renvoie un objet marque comme estime', () => {
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const trip = estimateTrainTrip(grenoble, marseille)
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expect(trip.estimated).toBe(true)
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expect(trip.mode).toBe('train')
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})
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it('estime Grenoble-Marseille (vol oiseau 216 km, ferroviaire ~260 km)', () => {
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const trip = estimateTrainTrip(grenoble, marseille)
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expect(trip.distanceKm).toBeGreaterThan(230)
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expect(trip.distanceKm).toBeLessThan(290)
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// A 90 km/h : entre 2h30 et 3h20 environ
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expect(trip.durationMin).toBeGreaterThan(150)
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expect(trip.durationMin).toBeLessThan(200)
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})
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it('estime Lille-Paris (vol oiseau 203 km, ferroviaire ~245 km)', () => {
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const trip = estimateTrainTrip(lille, paris)
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expect(trip.distanceKm).toBeGreaterThan(220)
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expect(trip.distanceKm).toBeLessThan(280)
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})
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it('renvoie une geometrie a deux points', () => {
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const trip = estimateTrainTrip(grenoble, marseille)
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expect(trip.geometry).toHaveLength(2)
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expect(trip.geometry[0]).toEqual([grenoble.lon, grenoble.lat])
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expect(trip.geometry[1]).toEqual([marseille.lon, marseille.lat])
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})
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it('calcule le CO2 avec le facteur ADEME train (2.4 g/km)', () => {
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const trip = estimateTrainTrip(grenoble, marseille)
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expect(trip.co2Grams).toBeCloseTo(trip.distanceKm * 2.4, 0)
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})
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})
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