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

import {describe} from 'mocha'
import OsmFeatureSource from "../../../Logic/FeatureSource/TiledFeatureSource/OsmFeatureSource";
import {UIEventSource} from "../../../Logic/UIEventSource";
import ScriptUtils from "../../../scripts/ScriptUtils";
import FilteredLayer, {FilterState} from "../../../Models/FilteredLayer";
import {Tiles} from "../../../Models/TileRange";
import {readFileSync} from "fs";
import {Utils} from "../../../Utils";
import {Tag} from "../../../Logic/Tags/Tag";
import LayerConfig from "../../../Models/ThemeConfig/LayerConfig";
import {expect} from "chai";


const expected = {
    "type": "Feature",
    "id": "relation/5759328",
    "properties": {
        "timestamp": "2022-06-10T00:46:55Z",
        "version": 6,
        "changeset": 122187206,
        "user": "Pieter Vander Vennet",
        "uid": 3818858,
        "amenity": "school",
        "isced:2011:level": "vocational_lower_secondary;vocational_upper_secondary",
        "name": "Koninklijk Technisch Atheneum Pro Technica",
        "school:gender": "mixed",
        "type": "multipolygon",
        "website": "http://ktahalle.be/",
        "id": "relation/5759328",
        "_backend":"https://osm.org"
    },
    "geometry": {
        "type": "MultiPolygon",
        "coordinates": [
            [
                [
                    [
                        4.2461832,
                        50.7335751
                    ],
                    [
                        4.2463167,
                        50.7336785
                    ],
                    [
                        4.2463473,
                        50.7337021
                    ],
                    [
                        4.2464497,
                        50.7337814
                    ],
                    [
                        4.2471698,
                        50.7343389
                    ],
                    [
                        4.2469541,
                        50.7344768
                    ],
                    [
                        4.2467571,
                        50.7346116
                    ],
                    [
                        4.2467727,
                        50.7346199
                    ],
                    [
                        4.2465714,
                        50.7347511
                    ],
                    [
                        4.2462398,
                        50.7349687
                    ],
                    [
                        4.2453546,
                        50.734601
                    ],
                    [
                        4.2451895,
                        50.7345103
                    ],
                    [
                        4.2448867,
                        50.7342629
                    ],
                    [
                        4.244899,
                        50.7342069
                    ],
                    [
                        4.2461832,
                        50.7335751
                    ]
                ]
            ],
            [
                [
                    [
                        4.2444209,
                        50.7353737
                    ],
                    [
                        4.2439986,
                        50.7352034
                    ],
                    [
                        4.2440303,
                        50.7351755
                    ],
                    [
                        4.2440602,
                        50.7351058
                    ],
                    [
                        4.2439776,
                        50.7350326
                    ],
                    [
                        4.2439558,
                        50.7350132
                    ],
                    [
                        4.2438246,
                        50.7348961
                    ],
                    [
                        4.2437848,
                        50.73486
                    ],
                    [
                        4.2436555,
                        50.7347455
                    ],
                    [
                        4.2435905,
                        50.734689
                    ],
                    [
                        4.2435494,
                        50.7346601
                    ],
                    [
                        4.2435038,
                        50.7346256
                    ],
                    [
                        4.2434769,
                        50.7346026
                    ],
                    [
                        4.2430948,
                        50.734275
                    ],
                    [
                        4.2427978,
                        50.7340052
                    ],
                    [
                        4.2430556,
                        50.7338391
                    ],
                    [
                        4.2438957,
                        50.7334942
                    ],
                    [
                        4.2440204,
                        50.7336368
                    ],
                    [
                        4.2442806,
                        50.7338922
                    ],
                    [
                        4.2444173,
                        50.7340119
                    ],
                    [
                        4.2447379,
                        50.7342925
                    ],
                    [
                        4.2450107,
                        50.7345294
                    ],
                    [
                        4.2450236,
                        50.7346021
                    ],
                    [
                        4.2449643,
                        50.7347019
                    ],
                    [
                        4.244711,
                        50.7350821
                    ],
                    [
                        4.2444209,
                        50.7353737
                    ]
                ]
            ]
        ]
    }
}

function test(done: () => void){
    let fetchedTile = undefined;
    const neededTiles = new UIEventSource<number[]>([Tiles.tile_index(17, 67081, 44033)]);
    new OsmFeatureSource({
        allowedFeatures: new Tag("amenity", "school"),
        handleTile: tile => {
            fetchedTile = tile
            const data = tile.features.data[0].feature
            expect(data.properties).deep.eq({
                id: 'relation/5759328', timestamp: '2022-06-10T00:46:55Z',
                version: 6,
                changeset: 122187206,
                user: 'Pieter Vander Vennet',
                uid: 3818858,
                amenity: 'school',
                'isced:2011:level': 'vocational_lower_secondary;vocational_upper_secondary',
                name: 'Koninklijk Technisch Atheneum Pro Technica',
                'school:gender': 'mixed',
                type: 'multipolygon',
                website: 'http://ktahalle.be/',
                _backend: 'https://osm.org'
            })
            expect(data.geometry.type).eq("MultiPolygon")
            expect(data).deep.eq(expected)
            done()
        },
        isActive: new UIEventSource<boolean>(true),
        neededTiles,
        state: {
            osmConnection: {
                Backend(): string {
                    return "https://osm.org"
                }
            },
            filteredLayers: new UIEventSource<FilteredLayer[]>([
                {
                    appliedFilters: new UIEventSource<Map<string, FilterState>>(undefined),
                    layerDef: new LayerConfig({
                        id: "school",
                        source: {
                            osmTags: "amenity=school"
                        },
                        mapRendering: null
                    }),
                    isDisplayed: new UIEventSource<boolean>(true)
                }
            ])
        }
    })
}

describe("OsmFeatureSource", () => {

    it("downloading the full school should give a multipolygon", (done) => {
        ScriptUtils.fixUtils()
        let data = JSON.parse(readFileSync("./test/Logic/FeatureSource/osmdata.json", "utf8"))
        Utils.injectJsonDownloadForTests("https://osm.org/api/0.6/map?bbox=4.24346923828125,50.732978448277514,4.2462158203125,50.73471682490244", data)
        test(done)
    })

    it("downloading the partial school polygon should give a multipolygon", (done) => {
        ScriptUtils.fixUtils()
        Utils.injectJsonDownloadForTests("https://www.openstreetmap.org/api/0.6/relation/5759328/full", JSON.parse(readFileSync("./test/data/relation_5759328.json","UTF-8")))
        let data = JSON.parse(readFileSync("./test/Logic/FeatureSource/small_box.json", "utf8"))
        Utils.injectJsonDownloadForTests("https://osm.org/api/0.6/map?bbox=4.24346923828125,50.732978448277514,4.2462158203125,50.73471682490244", data)
        test(done)
    })
})