From 254c9eab798f154cd4db8e04609169246f042726 Mon Sep 17 00:00:00 2001
From: Abhijeet Prasad <aprasad@sentry.io>
Date: Wed, 26 Jul 2023 10:44:21 -0400
Subject: [PATCH] test(tracing): Add test for transaction trimEnd

---
 packages/tracing/test/hub.test.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/packages/tracing/test/hub.test.ts b/packages/tracing/test/hub.test.ts
index 044582fcf6e2..37a7693ad389 100644
--- a/packages/tracing/test/hub.test.ts
+++ b/packages/tracing/test/hub.test.ts
@@ -624,4 +624,27 @@ The transaction will not be sampled. Please use the otel instrumentation to star
       });
     });
   });
+
+  describe('trimming transaction', () => {
+    describe('it should trim a transaction to the span timestamp if trimEnd is true', () => {
+      const options = getDefaultBrowserClientOptions({
+        tracesSampleRate: 1,
+        dsn: 'https://username@domain/123',
+      });
+      const client = new BrowserClient(options);
+      const hub = new Hub(client);
+
+      const captureEventSpy = jest.spyOn(hub, 'captureEvent');
+
+      makeMain(hub);
+      const transaction = hub.startTransaction({ name: 'dogpark', startTimestamp: 1000, trimEnd: true });
+
+      transaction.startChild({ op: 'test', startTimestamp: 1200, endTimestamp: 1500 });
+
+      transaction.finish(2000);
+
+      expect(captureEventSpy).toHaveBeenCalledTimes(1);
+      expect(captureEventSpy.mock.calls[0][0].timestamp).toEqual(1500);
+    });
+  });
 });