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test.js
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test.js
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'use strict'
const test = require('tape')
const createHafas = require('vbb-hafas')
const fetchTrackSlice = require('.')
const hafas = createHafas('hafas-find-trips test')
const findVehicle = (around) => {
return hafas.radar({
north: around.latitude + .01,
west: around.longitude - .01,
south: around.latitude - .01,
east: around.longitude + .01
}, {
results: 1,
duration: 1,
frames: 2
})
.then((vehicles) => vehicles[0])
}
test('works i guess', (t) => {
t.plan(5)
findVehicle({
latitude: 52.496633,
longitude: 13.390944
})
.then((vehicle) => {
const frame = vehicle.frames && vehicle.frames[0] && vehicle.frames[0]
const prev = frame && frame.origin
const next = frame && frame.destination
const lineName = vehicle.line && vehicle.line.name
return fetchTrackSlice(hafas, prev, next, vehicle.tripId, lineName)
})
.then((slice) => {
t.ok(slice)
t.equal(slice.type, 'LineString')
t.ok(Array.isArray(slice.coordinates))
t.ok(slice.coordinates.length > 0)
t.ok(slice.coordinates.every(crd => Array.isArray(crd)))
// todo: make sure the shape actually makes sense
})
.catch(t.ifError)
})