Optimise Jest run in CI (#9542)

test/utils/MegolmExportEncryption-test.ts

@@ -72,12 +72,14 @@ function stringToArray(s: string): ArrayBufferLike {
 describe('MegolmExportEncryption', function() {
     let MegolmExportEncryption;
 
-    beforeAll(() => {
+    beforeEach(() => {
         window.crypto = {
-            subtle: webCrypto.subtle,
             getRandomValues,
             randomUUID: jest.fn().mockReturnValue("not-random-uuid"),
+            subtle: webCrypto.subtle,
         };
+        // @ts-ignore for some reason including it in the object above gets ignored
+        window.crypto.subtle = webCrypto.subtle;
         MegolmExportEncryption = require("../../src/utils/MegolmExportEncryption");
     });
 
@@ -142,8 +144,7 @@ cissyYBxjsfsAn
 
     describe('encrypt', function() {
         it('should round-trip', function() {
-            const input =
-                  'words words many words in plain text here'.repeat(100);
+            const input = 'words words many words in plain text here'.repeat(100);
 
             const password = 'my super secret passphrase';
 

test/utils/__snapshots__/createVoiceMessageContent-test.ts.snap

@@ -1,32 +1,32 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`createVoiceMessageContent should create a voice message content 1`] = `
-Object {
+{
   "body": "Voice message",
-  "file": Object {},
-  "info": Object {
+  "file": {},
+  "info": {
     "duration": 23000,
     "mimetype": "ogg/opus",
     "size": 42000,
   },
   "msgtype": "m.audio",
-  "org.matrix.msc1767.audio": Object {
+  "org.matrix.msc1767.audio": {
     "duration": 23000,
-    "waveform": Array [
+    "waveform": [
       1,
       2,
       3,
     ],
   },
-  "org.matrix.msc1767.file": Object {
-    "file": Object {},
+  "org.matrix.msc1767.file": {
+    "file": {},
     "mimetype": "ogg/opus",
     "name": "Voice message.ogg",
     "size": 42000,
     "url": "mxc://example.com/file",
   },
   "org.matrix.msc1767.text": "Voice message",
-  "org.matrix.msc3245.voice": Object {},
+  "org.matrix.msc3245.voice": {},
   "url": "mxc://example.com/file",
 }
 `;

test/utils/exportUtils/HTMLExport-test.ts

@@ -23,7 +23,7 @@ import HTMLExporter from "../../../src/utils/exportUtils/HtmlExport";
 
 describe("HTMLExport", () => {
     beforeEach(() => {
-        jest.useFakeTimers('modern');
+        jest.useFakeTimers();
         jest.setSystemTime(REPEATABLE_DATE);
     });
 

test/utils/exportUtils/JSONExport-test.ts

@@ -20,7 +20,7 @@ import { ExportType, IExportOptions } from "../../../src/utils/exportUtils/expor
 
 describe("JSONExport", () => {
     beforeEach(() => {
-        jest.useFakeTimers('modern');
+        jest.useFakeTimers();
         jest.setSystemTime(REPEATABLE_DATE);
     });
 

test/utils/exportUtils/PlainTextExport-test.ts

@@ -20,7 +20,7 @@ import PlainTextExporter from "../../../src/utils/exportUtils/PlainTextExport";
 
 describe("PlainTextExport", () => {
     beforeEach(() => {
-        jest.useFakeTimers('modern');
+        jest.useFakeTimers();
         jest.setSystemTime(REPEATABLE_DATE);
     });
 

test/utils/notifications-test.ts

@@ -67,11 +67,9 @@ describe('notifications', () => {
         it.each(deviceNotificationSettingsKeys)(
             'unsilenced for existing sessions when %s setting is truthy',
             async (settingKey) => {
-                mocked(SettingsStore)
-                    .getValue
-                    .mockImplementation((key) => {
-                        return key === settingKey;
-                    });
+                mocked(SettingsStore).getValue.mockImplementation((key): any => {
+                    return key === settingKey;
+                });
 
                 await createLocalNotificationSettingsIfNeeded(mockClient);
                 const event = mockClient.getAccountData(accountDataEventKey);