Propagate request cancelation though basePath proxy (#101561) (#101618)

* bump `@hapi/h2o2` to `9.1.0`

* add unit test

package.json

@@ -115,7 +115,7 @@
     "@hapi/boom": "^9.1.1",
     "@hapi/cookie": "^11.0.2",
     "@hapi/good-squeeze": "6.0.0",
-    "@hapi/h2o2": "^9.0.2",
+    "@hapi/h2o2": "^9.1.0",
     "@hapi/hapi": "^20.0.3",
     "@hapi/hoek": "^9.1.1",
     "@hapi/inert": "^6.0.3",

packages/kbn-cli-dev-mode/src/base_path_proxy_server.test.ts

@@ -185,6 +185,45 @@ describe('BasePathProxyServer', () => {
       });
   });
 
+  test('forwards request cancellation', async () => {
+    let propagated = false;
+
+    let notifyRequestReceived: () => void;
+    const requestReceived = new Promise<void>((resolve) => {
+      notifyRequestReceived = resolve;
+    });
+
+    let notifyRequestAborted: () => void;
+    const requestAborted = new Promise<void>((resolve) => {
+      notifyRequestAborted = resolve;
+    });
+
+    server.route({
+      method: 'GET',
+      path: `${basePath}/foo/{test}`,
+      handler: async (request, h) => {
+        notifyRequestReceived();
+
+        request.raw.req.once('aborted', () => {
+          notifyRequestAborted();
+          propagated = true;
+        });
+        return await new Promise((resolve) => undefined);
+      },
+    });
+    await server.start();
+
+    const request = proxySupertest.get(`${basePath}/foo/some-string`).end();
+
+    await requestReceived;
+
+    request.abort();
+
+    await requestAborted;
+
+    expect(propagated).toEqual(true);
+  });
+
   test('handles putting', async () => {
     server.route({
       method: 'PUT',

yarn.lock

@@ -1871,10 +1871,10 @@
     "@hapi/hoek" "9.x.x"
     fast-safe-stringify "2.x.x"
 
-"@hapi/h2o2@^9.0.2":
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/@hapi/h2o2/-/h2o2-9.0.2.tgz#e9f1dfe789257c80d6ee37ec9fe358f8c69f855a"
-  integrity sha512-V7RsmVyl7uyWeuEko4uaSZbFpBHKcSFSui6PXNRaRLJHFX+iPbqWmeH6m1pW/WJ8DuaCVJFKhluDCDI9l4+1cw==
+"@hapi/h2o2@^9.1.0":
+  version "9.1.0"
+  resolved "https://registry.yarnpkg.com/@hapi/h2o2/-/h2o2-9.1.0.tgz#b223f4978b6f2b0d7d9db10a84a567606c4c3551"
+  integrity sha512-B7E58bMhxmpiDI22clxTexoAaVShNBk1Ez6S8SQjQZu5FxxD6Tqa44sXeZQBtWrdJF7ZRbsY60/C8AHLRxagNA==
   dependencies:
     "@hapi/boom" "9.x.x"
     "@hapi/hoek" "9.x.x"