MapComplete/test/Logic/FeatureSource/TileFreshnessCalculator.spec.ts

import { describe } from "mocha"
import TileFreshnessCalculator from "../../../Logic/FeatureSource/TileFreshnessCalculator"
import { Tiles } from "../../../Models/TileRange"
import { expect } from "chai"

describe("TileFreshnessCalculator", () => {
    it("should get the freshness for loaded tiles", () => {
        const calc = new TileFreshnessCalculator()
        // 19/266407/175535
        const date = new Date()
        date.setTime(42)
        calc.addTileLoad(Tiles.tile_index(19, 266406, 175534), date)

        expect(calc.freshnessFor(19, 266406, 175534).getTime()).eq(42)
        expect(calc.freshnessFor(20, 266406 * 2, 175534 * 2 + 1).getTime()).eq(42)
        expect(calc.freshnessFor(19, 266406, 175535)).undefined
        expect(calc.freshnessFor(18, 266406 / 2, 175534 / 2)).undefined
        calc.addTileLoad(Tiles.tile_index(19, 266406, 175534 + 1), date)
        calc.addTileLoad(Tiles.tile_index(19, 266406 + 1, 175534), date)
        calc.addTileLoad(Tiles.tile_index(19, 266406 + 1, 175534 + 1), date)
        expect(calc.freshnessFor(18, 266406 / 2, 175534 / 2).getTime()).eq(42)
    })
})