unit test WebPlatform (#22371)

* test most version stuff

Signed-off-by: Kerry Archibald <kerrya@element.io>

* tidy

Signed-off-by: Kerry Archibald <kerrya@element.io>

* eof

Signed-off-by: Kerry Archibald <kerrya@element.io>

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

@@ -0,0 +1,188 @@
+/*
+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 request from 'browser-request';
+import { UpdateCheckStatus } from 'matrix-react-sdk/src/BasePlatform';
+import { MatrixClientPeg } from 'matrix-react-sdk/src/MatrixClientPeg';
+
+import WebPlatform from '../../../../src/vector/platform/WebPlatform';
+
+describe('WebPlatform', () => {
+    beforeEach(() => {
+        jest.clearAllMocks();
+
+    });
+
+
+    it('returns human readable name', () => {
+        const platform = new WebPlatform();
+        expect(platform.getHumanReadableName()).toEqual('Web Platform');
+    });
+
+    describe('notification support', () => {
+        const mockNotification = {
+            requestPermission: jest.fn(),
+            permission: 'notGranted',
+        }
+        beforeEach(() => {
+            // @ts-ignore
+            window.Notification = mockNotification;
+            mockNotification.permission = 'notGranted';
+        });
+
+        it('supportsNotifications returns false when platform does not support notifications', () => {
+            // @ts-ignore
+            window.Notification = undefined;
+            expect(new WebPlatform().supportsNotifications()).toBe(false);
+        });
+
+        it('supportsNotifications returns true when platform supports notifications', () => {
+            expect(new WebPlatform().supportsNotifications()).toBe(true);
+        });
+        
+        it('maySendNotifications returns true when notification permissions are not granted', () => {
+            expect(new WebPlatform().maySendNotifications()).toBe(false);
+        });
+
+        it('maySendNotifications returns true when notification permissions are granted', () => {
+            mockNotification.permission = 'granted'
+            expect(new WebPlatform().maySendNotifications()).toBe(true);
+        });
+
+        it('requests notification permissions and returns result ', async () => {
+            mockNotification.requestPermission.mockImplementation(callback => callback('test'));
+
+            const platform = new WebPlatform();
+            const result = await platform.requestNotificationPermission();
+            expect(result).toEqual('test');
+        });
+
+    });
+
+    describe('app version', () => {
+        const envVersion = process.env.VERSION;
+        const prodVersion = '1.10.13';
+
+        const setRequestMockImplementation = (err?: unknown, response?: { status: number }, body?: string) =>
+            request.mockImplementation((_opts, callback) => callback(err, response, body));
+
+        beforeEach(() => {
+            jest.spyOn(MatrixClientPeg, 'userRegisteredWithinLastHours').mockReturnValue(false);
+        })
+
+        afterAll(() => {
+            process.env.VERSION = envVersion;
+        });
+
+        it('should return true from canSelfUpdate()', async () => {
+            const platform = new WebPlatform();
+            const result = await platform.canSelfUpdate();
+            expect(result).toBe(true);
+        });
+
+        it('getAppVersion returns normalized app version', async () => {
+            process.env.VERSION = prodVersion;
+            const platform = new WebPlatform();
+
+            const version = await platform.getAppVersion();
+            expect(version).toEqual(prodVersion);
+
+            process.env.VERSION = `v${prodVersion}`;
+            const version2 = await platform.getAppVersion();
+            // v prefix removed
+            expect(version2).toEqual(prodVersion);
+
+            process.env.VERSION = `version not like semver`;
+            const notSemverVersion = await platform.getAppVersion();
+            expect(notSemverVersion).toEqual(`version not like semver`);
+        });
+
+        describe('pollForUpdate()', () => {
+            
+            it('should return not available and call showNoUpdate when current version matches most recent version', async () => {
+                process.env.VERSION = prodVersion;
+                setRequestMockImplementation(undefined, { status: 200}, prodVersion);
+                const platform = new WebPlatform();
+    
+                const showUpdate = jest.fn();
+                const showNoUpdate = jest.fn();
+                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);
+    
+                expect(result).toEqual({ status: UpdateCheckStatus.NotAvailable });
+                expect(showUpdate).not.toHaveBeenCalled();
+                expect(showNoUpdate).toHaveBeenCalled();
+            });
+    
+            it('should strip v prefix from versions before comparing', async () => {
+                process.env.VERSION = prodVersion;
+                setRequestMockImplementation(undefined, { status: 200}, `v${prodVersion}`);
+                const platform = new WebPlatform();
+    
+                const showUpdate = jest.fn();
+                const showNoUpdate = jest.fn();
+                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);
+    
+                // versions only differ by v prefix, no update
+                expect(result).toEqual({ status: UpdateCheckStatus.NotAvailable });
+                expect(showUpdate).not.toHaveBeenCalled();
+                expect(showNoUpdate).toHaveBeenCalled();
+            });
+    
+            it('should return ready and call showUpdate when current version differs from most recent version', async () => {
+                process.env.VERSION = '0.0.0'; // old version
+                setRequestMockImplementation(undefined, { status: 200}, prodVersion);
+                const platform = new WebPlatform();
+    
+                const showUpdate = jest.fn();
+                const showNoUpdate = jest.fn();
+                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);
+    
+                expect(result).toEqual({ status: UpdateCheckStatus.Ready });
+                expect(showUpdate).toHaveBeenCalledWith('0.0.0', prodVersion);
+                expect(showNoUpdate).not.toHaveBeenCalled();
+            });
+    
+            it('should return ready without showing update when user registered in last 24', async () => {
+                process.env.VERSION = '0.0.0'; // old version
+                jest.spyOn(MatrixClientPeg, 'userRegisteredWithinLastHours').mockReturnValue(true);
+                setRequestMockImplementation(undefined, { status: 200}, prodVersion);
+                const platform = new WebPlatform();
+    
+                const showUpdate = jest.fn();
+                const showNoUpdate = jest.fn();
+                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);
+    
+                expect(result).toEqual({ status: UpdateCheckStatus.Ready });
+                expect(showUpdate).not.toHaveBeenCalled();
+                expect(showNoUpdate).not.toHaveBeenCalled();
+            });
+    
+            it('should return error when version check fails', async () => {
+                setRequestMockImplementation('oups');
+                const platform = new WebPlatform();
+    
+                const showUpdate = jest.fn();
+                const showNoUpdate = jest.fn();
+                const result = await platform.pollForUpdate(showUpdate, showNoUpdate);
+    
+                expect(result).toEqual({ status: UpdateCheckStatus.Error, detail: 'Unknown Error' });
+                expect(showUpdate).not.toHaveBeenCalled();
+                expect(showNoUpdate).not.toHaveBeenCalled();
+            });
+        });
+
+    });
+});