add tests for geolocate self on map views

test/utils/location/positionFailureMessage-test.ts

@@ -0,0 +1,38 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { positionFailureMessage } from "../../../src/utils/location/positionFailureMessage";
+
+describe("positionFailureMessage()", () => {
+    // error codes from GeolocationPositionError
+    // see: https://developer.mozilla.org/en-US/docs/Web/API/GeolocationPositionError
+    // 1: PERMISSION_DENIED
+    // 2: POSITION_UNAVAILABLE
+    // 3: TIMEOUT
+    type TestCase = [number, string | undefined];
+    it.each<TestCase>([
+        [
+            1,
+            "Element was denied permission to fetch your location. Please allow location access in your browser settings.",
+        ],
+        [2, "Failed to fetch your location. Please try again later."],
+        [3, "Timed out trying to fetch your location. Please try again later."],
+        [4, "Unknown error fetching location. Please try again later."],
+        [5, undefined],
+    ])("returns correct message for error code %s", (code, expectedMessage) => {
+        expect(positionFailureMessage(code)).toEqual(expectedMessage);
+    });
+});