add integration test

Author: Lms24

dev-packages/browser-integration-tests/suites/integrations/globalHandlers/dataUrls/subject.js

@@ -0,0 +1,11 @@
+const workerCode = `
+  self.addEventListener('message', (event) => {
+    if (event.data.type === 'error') {
+      throw new Error('Error thrown in worker');
+    }
+  });
+`;
+
+const worker = new Worker(`data:text/javascript;base64,${btoa(workerCode)}`);
+
+worker.postMessage({ type: 'error' });

dev-packages/browser-integration-tests/suites/integrations/globalHandlers/dataUrls/test.ts

@@ -0,0 +1,36 @@
+import { expect } from '@playwright/test';
+import { sentryTest } from '../../../../utils/fixtures';
+import { envelopeRequestParser, waitForErrorRequest } from '../../../../utils/helpers';
+
+sentryTest('detects and handles data urls on first stack frame', async ({ getLocalTestUrl, page }) => {
+  const url = await getLocalTestUrl({ testDir: __dirname });
+
+  const errorEventPromise = waitForErrorRequest(page, e => {
+    return !!e.exception?.values;
+  });
+
+  await page.goto(url);
+
+  const errorEvent = envelopeRequestParser(await errorEventPromise);
+
+  expect(errorEvent?.exception?.values?.[0]).toEqual({
+    mechanism: {
+      handled: false,
+      synthetic: true,
+      type: 'auto.browser.global_handlers.onerror',
+    },
+    stacktrace: {
+      frames: [
+        {
+          colno: 13,
+          filename: '<data:text/javascript,base64>',
+          function: '?',
+          in_app: true,
+          lineno: 4,
+        },
+      ],
+    },
+    type: 'Error',
+    value: 'Uncaught Error: Error thrown in worker',
+  });
+});