Add integration tests for DurableObjects

Author: andreiborza

dev-packages/cloudflare-integration-tests/suites/tracing/durableobject/index.ts

@@ -0,0 +1,44 @@
+import * as Sentry from '@sentry/cloudflare';
+import { DurableObject } from 'cloudflare:workers';
+
+interface Env {
+  SENTRY_DSN: string;
+  TEST_DURABLE_OBJECT: DurableObjectNamespace;
+}
+
+class TestDurableObjectBase extends DurableObject<Env> {
+  public constructor(ctx: DurableObjectState, env: Env) {
+    super(ctx, env);
+  }
+
+  // eslint-disable-next-line @typescript-eslint/explicit-member-accessibility
+  async sayHello(name: string): Promise<string> {
+    return `Hello, ${name}`;
+  }
+}
+
+export const TestDurableObject = Sentry.instrumentDurableObjectWithSentry(
+  (env: Env) => ({
+    dsn: env.SENTRY_DSN,
+    tracesSampleRate: 1.0,
+    beforeSendTransaction: transaction => {
+      console.log('beforeSendTransaction', transaction);
+      return transaction;
+    },
+  }),
+  TestDurableObjectBase,
+);
+
+export default {
+  async fetch(request, env): Promise<Response> {
+    const id: DurableObjectId = env.TEST_DURABLE_OBJECT.idFromName('test');
+    const stub = env.TEST_DURABLE_OBJECT.get(id) as unknown as TestDurableObjectBase;
+
+    if (request.url.includes('hello')) {
+      const greeting = await stub.sayHello('world');
+      return new Response(greeting);
+    }
+
+    return new Response('Usual response');
+  },
+};

dev-packages/cloudflare-integration-tests/suites/tracing/durableobject/test.ts

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+import { expect, it } from 'vitest';
+import { createRunner } from '../../../runner';
+
+it('traces a durable object method', async () => {
+  const runner = createRunner(__dirname)
+    .expect(envelope => {
+      const transactionEvent = envelope[1]?.[0]?.[1];
+      expect(transactionEvent).toEqual(
+        expect.objectContaining({
+          contexts: expect.objectContaining({
+            trace: expect.objectContaining({
+              op: 'rpc',
+              data: expect.objectContaining({
+                'sentry.op': 'rpc',
+                'sentry.origin': 'auto.faas.cloudflare_durableobjects',
+              }),
+              origin: 'auto.faas.cloudflare_durableobjects',
+            }),
+          }),
+          transaction: 'sayHello',
+        }),
+      );
+    })
+    .start();
+  await runner.makeRequest('get', '/hello');
+  await runner.completed();
+});

dev-packages/cloudflare-integration-tests/suites/tracing/durableobject/wrangler.jsonc

@@ -0,0 +1,23 @@
+{
+  "name": "worker-name",
+  "main": "index.ts",
+  "compatibility_date": "2025-06-17",
+  "migrations": [
+    {
+      "new_sqlite_classes": ["TestDurableObject"],
+      "tag": "v1"
+    }
+  ],
+  "durable_objects": {
+    "bindings": [
+      {
+        "class_name": "TestDurableObject",
+        "name": "TEST_DURABLE_OBJECT"
+      }
+    ]
+  },
+  "compatibility_flags": ["nodejs_als"],
+  "vars": {
+    "SENTRY_DSN": "https://[email protected]/4509553159831552"
+  }
+}