Add integration tests

Author: lforst

packages/integration-tests/suites/public-api/startTransaction/circular_data/subject.js

@@ -0,0 +1,11 @@
+const chicken = {};
+const egg = { contains: chicken };
+chicken.lays = egg;
+
+const circularObject = chicken;
+
+const transaction = Sentry.startTransaction({ name: 'circular_object_test_transaction', data: circularObject });
+const span = transaction.startChild({ op: 'circular_object_test_span', data: circularObject });
+
+span.finish();
+transaction.finish();

packages/integration-tests/suites/public-api/startTransaction/circular_data/test.ts

@@ -0,0 +1,26 @@
+import { expect } from '@playwright/test';
+import { Event } from '@sentry/types';
+
+import { sentryTest } from '../../../../utils/fixtures';
+import { getFirstSentryEnvelopeRequest } from '../../../../utils/helpers';
+
+sentryTest('should be able to handle circular data', async ({ getLocalTestPath, page }) => {
+  const url = await getLocalTestPath({ testDir: __dirname });
+  const eventData = await getFirstSentryEnvelopeRequest<Event>(page, url);
+
+  expect(eventData.type).toBe('transaction');
+  expect(eventData.transaction).toBe('circular_object_test_transaction');
+
+  expect(eventData.contexts).toMatchObject({
+    trace: {
+      data: { lays: { contains: { lays: { contains: '[Circular ~]' } } } },
+    },
+  });
+
+  expect(eventData?.spans?.[0]).toMatchObject({
+    data: { lays: { contains: '[Circular ~]' } },
+    op: 'circular_object_test_span',
+  });
+
+  await new Promise(resolve => setTimeout(resolve, 2000));
+});

packages/integration-tests/suites/public-api/startTransaction/init.js

@@ -7,4 +7,5 @@ window.Sentry = Sentry;
 Sentry.init({
   dsn: 'https://public@dsn.ingest.sentry.io/1337',
   tracesSampleRate: 1.0,
+  normalizeDepth: 10,
 });