Add test coverage (#23341)

test/unit-tests/vector/platform/PWAPlatform-test.ts

@@ -14,7 +14,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import { mocked } from "jest-mock";
+
 import PWAPlatform from "../../../../src/vector/platform/PWAPlatform";
+import WebPlatform from "../../../../src/vector/platform/WebPlatform";
+
+jest.mock("../../../../src/vector/platform/WebPlatform");
 
 describe('PWAPlatform', () => {
     beforeEach(() => {
@@ -29,5 +34,29 @@ describe('PWAPlatform', () => {
             platform.setNotificationCount(123);
             expect(navigator.setAppBadge).toHaveBeenCalledWith(123);
         });
+
+        it("should no-op if the badge count isn't changing", () => {
+            navigator.setAppBadge = jest.fn().mockResolvedValue(undefined);
+            const platform = new PWAPlatform();
+            platform.setNotificationCount(123);
+            expect(navigator.setAppBadge).toHaveBeenCalledTimes(1);
+            platform.setNotificationCount(123);
+            expect(navigator.setAppBadge).toHaveBeenCalledTimes(1);
+        });
+
+        it("should fall back to WebPlatform::setNotificationCount if no Navigator::setAppBadge", () => {
+            navigator.setAppBadge = undefined;
+            const platform = new PWAPlatform();
+            const superMethod = mocked(WebPlatform.prototype.setNotificationCount);
+            expect(superMethod).not.toHaveBeenCalled();
+            platform.setNotificationCount(123);
+            expect(superMethod).toHaveBeenCalledWith(123);
+        });
+
+        it("should handle Navigator::setAppBadge rejecting gracefully", () => {
+            navigator.setAppBadge = jest.fn().mockRejectedValue(new Error);
+            const platform = new PWAPlatform();
+            expect(() => platform.setNotificationCount(123)).not.toThrow();
+        });
     });
 });

test/unit-tests/vector/routing-test.ts

@@ -0,0 +1,43 @@
+/*
+Copyright 2022 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 { onNewScreen } from "../../../src/vector/routing";
+
+describe("onNewScreen", () => {
+    it("should replace history if stripping via fields", () => {
+        delete window.location;
+        window.location = {
+            hash: "#/room/!room:server?via=abc",
+            replace: jest.fn(),
+            assign: jest.fn(),
+        } as unknown as Location;
+        onNewScreen("room/!room:server");
+        expect(window.location.assign).not.toHaveBeenCalled();
+        expect(window.location.replace).toHaveBeenCalled();
+    });
+
+    it("should not replace history if changing rooms", () => {
+        delete window.location;
+        window.location = {
+            hash: "#/room/!room1:server?via=abc",
+            replace: jest.fn(),
+            assign: jest.fn(),
+        } as unknown as Location;
+        onNewScreen("room/!room2:server");
+        expect(window.location.assign).toHaveBeenCalled();
+        expect(window.location.replace).not.toHaveBeenCalled();
+    });
+});

test/unit-tests/vector/url_utils-test.ts

@@ -0,0 +1,50 @@
+/*
+Copyright 2020 New Vector Ltd
+
+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 { parseQsFromFragment, parseQs } from "../../../src/vector/url_utils";
+
+describe("url_utils.ts", function() {
+    // @ts-ignore
+    const location: Location = {
+        hash: "",
+        search: "",
+    };
+
+    it("parseQsFromFragment", function() {
+        location.hash = "/home?foo=bar";
+        expect(parseQsFromFragment(location)).toEqual({
+            location: "home",
+            params: {
+                "foo": "bar",
+            },
+        });
+    });
+
+    describe("parseQs", function() {
+        location.search = "?foo=bar";
+        expect(parseQs(location)).toEqual({
+            "foo": "bar",
+        });
+    });
+
+    describe("parseQs with arrays", function() {
+        location.search = "?via=s1&via=s2&via=s2&foo=bar";
+        expect(parseQs(location)).toEqual({
+            "via": ["s1", "s2", "s2"],
+            "foo": "bar",
+        });
+    });
+});