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// TODO figure out why this is required
// (I'm assuming some transpiler magic
// makes this "required")
// eslint-disable-next-line
import React from 'react'
import { addHours, addMinutes } from 'date-fns'
import { computeLightLevel } from './use-sunlight'
const DATE = new Date(2010, 8, 10)
const BC_FERRIES_SCHWARTZ_BAY = {
latitude: 48.6886,
longitude: 123.4114,
loading: false
}
// Test the calculations used in the hook.
// Not sure if it's worth testing the public hook
// API
test('computeLightLevel', () => {
let max = 0
for (let hour = 0; hour < 24; hour++) {
for (let minute = 0; minute < 60; minute++) {
const now = addMinutes(addHours(DATE, hour), minute)
const r = computeLightLevel(BC_FERRIES_SCHWARTZ_BAY, now)
expect(r).toMatchSnapshot()
if (r > max) max = r
}
}
// if we iterate over an
// entire day (minute by minute),
// we should see the max solar "height"
// at some point
expect(max).toBe(10)
})
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