fix: restore live streaming in VS Code

Forward SSE chunks without reserializing events Prevent generic proxy from buffering SSE endpoints Add regression tests for VS Code stream proxy
2026-05-26 11:42:20 +03:00
parent c61f16e0dd
commit db2464d94d
4 changed files with 241 additions and 102 deletions
@@ -0,0 +1,32 @@
+import { describe, expect, it, mock } from 'bun:test';
+
+const { handleProxyBridgeMessage } = await import('./bridge-proxy-runtime');
+
+const createDeps = () => ({
+  tryHandleLocalFsProxy: mock(() => Promise.resolve(null)),
+  buildUnavailableApiResponse: mock(() => ({ status: 503, headers: {}, bodyText: '' })),
+  sanitizeForwardHeaders: mock((headers) => headers || {}),
+  collectHeaders: mock(() => ({})),
+  base64EncodeUtf8: mock((text) => Buffer.from(text, 'utf8').toString('base64')),
+});
+
+describe('bridge proxy runtime', () => {
+  it('does not buffer SSE endpoints through the generic API proxy', async () => {
+    const deps = createDeps();
+
+    const response = await handleProxyBridgeMessage(
+      { id: '1', type: 'api:proxy', payload: { method: 'GET', path: '/global/event?lastEventId=evt-1' } },
+      undefined,
+      deps,
+    );
+
+    expect(response?.success).toBe(true);
+    expect(response?.data).toMatchObject({
+      status: 400,
+      headers: { 'content-type': 'application/json' },
+      bodyText: JSON.stringify({ error: 'SSE requests must use api:sse:start' }),
+    });
+    expect(deps.tryHandleLocalFsProxy).not.toHaveBeenCalled();
+    expect(deps.buildUnavailableApiResponse).not.toHaveBeenCalled();
+  });
+});