test(core): Migrate to vitest

packages/core/package.json

@@ -54,8 +54,8 @@
     "clean": "rimraf build coverage sentry-core-*.tgz",
     "fix": "eslint . --format stylish --fix",
     "lint": "eslint . --format stylish",
-    "test": "jest",
-    "test:watch": "jest --watch",
+    "test": "vitest run",
+    "test:watch": "vitest --watch",
     "yalc:publish": "yalc publish --push --sig"
   },
   "volta": {

packages/core/src/utils-hoist/misc.ts

@@ -15,15 +15,17 @@ interface CryptoGlobal {
   crypto?: CryptoInternal;
 }
 
+function getCrypto(): CryptoInternal | undefined {
+  const gbl = GLOBAL_OBJ as typeof GLOBAL_OBJ & CryptoGlobal;
+  return gbl.crypto || gbl.msCrypto;
+}
+
 /**
  * UUID4 generator
- *
+ * @param crypto Object that provides the crypto API.
  * @returns string Generated UUID4.
  */
-export function uuid4(): string {
-  const gbl = GLOBAL_OBJ as typeof GLOBAL_OBJ & CryptoGlobal;
-  const crypto = gbl.crypto || gbl.msCrypto;
-
+export function uuid4(crypto = getCrypto()): string {
   let getRandomByte = (): number => Math.random() * 16;
   try {
     if (crypto?.randomUUID) {

packages/core/test/lib/api.test.ts

@@ -1,3 +1,4 @@
+import { describe, expect, it, test } from 'vitest';
 import { getEnvelopeEndpointWithUrlEncodedAuth, getReportDialogEndpoint } from '../../src/api';
 import type { DsnComponents, SdkInfo } from '../../src/types-hoist';
 import { makeDsn } from '../../src/utils-hoist/dsn';

packages/core/test/lib/attachments.test.ts

@@ -1,3 +1,4 @@
+import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest';
 import { createTransport } from '../../src/transports/base';
 import { parseEnvelope } from '../../src/utils-hoist/envelope';
 import { TestClient, getDefaultTestClientOptions } from '../mocks/client';
@@ -9,7 +10,7 @@ describe('Attachments', () => {
   });
 
   afterEach(() => {
-    jest.clearAllMocks();
+    vi.clearAllMocks();
   });
 
   test('actually end up in envelope', async () => {

packages/core/test/lib/carrier.test.ts

@@ -1,3 +1,4 @@
+import { describe, expect, it } from 'vitest';
 import { getSentryCarrier } from '../../src/carrier';
 import { SDK_VERSION } from '../../src/utils-hoist/version';
 

packages/core/test/lib/checkin.test.ts

@@ -2,6 +2,8 @@ import type { SerializedCheckIn } from '../../src/types-hoist';
 
 import { createCheckInEnvelope } from '../../src/checkin';
 
+import { describe, expect, test } from 'vitest';
+
 describe('createCheckInEnvelope', () => {
   test('creates a check in envelope header', () => {
     const envelope = createCheckInEnvelope(