Update location text fallback and test it (#7408)

test/components/views/location/LocationButton-test.tsx

@@ -0,0 +1,34 @@
+/*
+Copyright 2021 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 sdk from "../../../skinned-sdk";
+import { textForLocation } from "../../../../src/components/views/location/LocationButton";
+
+sdk.getComponent("LocationPicker");
+
+describe("LocationButton", () => {
+    describe("textForLocation", () => {
+        it("with no description, simply dumps URI and date", () => {
+            expect(textForLocation("geo:43.2,54.6", 12345, null)).toBe(
+                "Location geo:43.2,54.6 at 1970-01-01T00:00:12.345Z");
+        });
+
+        it("with a description, includes that in the text", () => {
+            expect(textForLocation("geo:12,43,3;u=2", 54321, "Me!")).toBe(
+                'Location "Me!" geo:12,43,3;u=2 at 1970-01-01T00:00:54.321Z');
+        });
+    });
+});