element-web/test/utils/location/parseGeoUri-test.ts

/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

import { parseGeoUri } from "../../../src/utils/location/parseGeoUri";

describe("parseGeoUri", () => {
    it("fails if the supplied URI is empty", () => {
        expect(parseGeoUri("")).toBeFalsy();
    });

    it("returns undefined if latitude is not a number", () => {
        expect(parseGeoUri("geo:ABCD,16.3695,183")).toBeUndefined();
    });

    it("returns undefined if longitude is not a number", () => {
        expect(parseGeoUri("geo:48.2010,EFGH,183")).toBeUndefined();
    });

    // We use some examples from the spec, but don't check semantics
    // like two textually-different URIs being equal, since we are
    // just a humble parser.

    // Note: we do not understand geo URIs with percent-encoded coords
    // or accuracy.  It is RECOMMENDED in the spec never to percent-encode
    // these, but it is permitted, and we will fail to parse in that case.

    it("rfc5870 6.1 Simple 3-dimensional", () => {
        expect(parseGeoUri("geo:48.2010,16.3695,183")).toEqual({
            latitude: 48.201,
            longitude: 16.3695,
            altitude: 183,
            accuracy: undefined,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("rfc5870 6.2 Explicit CRS and accuracy", () => {
        expect(parseGeoUri("geo:48.198634,16.371648;crs=wgs84;u=40")).toEqual({
            latitude: 48.198634,
            longitude: 16.371648,
            altitude: null,
            accuracy: 40,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("rfc5870 6.4 Negative longitude and explicit CRS", () => {
        expect(parseGeoUri("geo:90,-22.43;crs=WGS84")).toEqual({
            latitude: 90,
            longitude: -22.43,
            altitude: null,
            accuracy: undefined,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("rfc5870 6.4 Integer lat and lon", () => {
        expect(parseGeoUri("geo:90,46")).toEqual({
            latitude: 90,
            longitude: 46,
            altitude: null,
            accuracy: undefined,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("rfc5870 6.4 Percent-encoded param value", () => {
        expect(parseGeoUri("geo:66,30;u=6.500;FOo=this%2dthat")).toEqual({
            latitude: 66,
            longitude: 30,
            altitude: null,
            accuracy: 6.5,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("rfc5870 6.4 Unknown param", () => {
        expect(parseGeoUri("geo:66.0,30;u=6.5;foo=this-that>")).toEqual({
            latitude: 66.0,
            longitude: 30,
            altitude: null,
            accuracy: 6.5,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("rfc5870 6.4 Multiple unknown params", () => {
        expect(parseGeoUri("geo:70,20;foo=1.00;bar=white")).toEqual({
            latitude: 70,
            longitude: 20,
            altitude: null,
            accuracy: undefined,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("Negative latitude", () => {
        expect(parseGeoUri("geo:-7.5,20")).toEqual({
            latitude: -7.5,
            longitude: 20,
            altitude: null,
            accuracy: undefined,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });

    it("Zero altitude is not unknown", () => {
        expect(parseGeoUri("geo:-7.5,-20,0")).toEqual({
            latitude: -7.5,
            longitude: -20,
            altitude: 0,
            accuracy: undefined,
            altitudeAccuracy: null,
            heading: null,
            speed: null,
        });
    });
});