Merge pull request #2596 from IamAdamJowett/fix/formatter-test-drop-messages-envelope

test(agent-runner): update formatter test for dropped <messages> envelope

Author: gavrielc

container/agent-runner/src/poll-loop.test.ts

@@ -37,13 +37,15 @@ describe('formatter', () => {
     expect(prompt).toContain('Hello world');
   });
 
-  it('should format multiple chat messages as XML block', () => {
+  it('should format multiple chat messages as distinct <message> blocks', () => {
     insertMessage('m1', 'chat', { sender: 'John', text: 'Hello' });
     insertMessage('m2', 'chat', { sender: 'Jane', text: 'Hi there' });
     const messages = getPendingMessages();
     const prompt = formatMessages(messages);
-    expect(prompt).toContain('<messages>');
-    expect(prompt).toContain('</messages>');
+    // The <messages> envelope was dropped in fe2e881b (#2556) so the SDK calls
+    // the API; each message is now its own self-contained <message> block.
+    expect(prompt).not.toContain('<messages>');
+    expect(prompt.match(/<message /g) ?? []).toHaveLength(2);
     expect(prompt).toContain('sender="John"');
     expect(prompt).toContain('sender="Jane"');
   });