[openai] Record request to fetch generated image when checking dimensions (Azure#26950)

### Packages impacted by this PR

- `@azure/openai`

Fixes a request not being intercepted by the recorder

---------

Co-authored-by: Minh-Anh Phan <111523473+minhanh-phan@users.noreply.github.com>

Author: timovv

sdk/openai/openai/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "js",
   "TagPrefix": "js/openai/openai",
-  "Tag": "js/openai/openai_d5f951ca47"
+  "Tag": "js/openai/openai_5a9957cec2"
 }

sdk/openai/openai/test/public/openai.spec.ts

@@ -21,6 +21,7 @@ import {
 import { logger } from "./utils/logger.js";
 import {
   createDefaultHttpClient,
+  createEmptyPipeline,
   createHttpHeaders,
   createPipelineRequest,
 } from "@azure/core-rest-pipeline";
@@ -396,14 +397,20 @@ describe("OpenAI", function () {
 
           async function checkSize(imageUrl: string): Promise<void> {
             const coreClient = createDefaultHttpClient();
+            const pipeline = createEmptyPipeline();
+
+            // Inject the recorder pipeline policy so that the request for image size gets recorded
+            pipeline.addPolicy(recorder.configureClientOptions({}).additionalPolicies![0].policy);
+
             const set = new Set<number>();
             const request = createPipelineRequest({
               url: imageUrl,
               method: "GET",
               headers: createHttpHeaders(),
               streamResponseStatusCodes: set.add(200),
             });
-            const response = await coreClient.sendRequest(request);
+
+            const response = await pipeline.sendRequest(coreClient, request);
 
             const dimensions = await getImageDimensions(response);
             assert.isDefined(dimensions, "Unable to get dimensions");

sdk/openai/openai/test/public/utils/recordedClient.ts

@@ -24,6 +24,15 @@ const envSetupForPlayback: { [k: string]: string } = {
 
 const recorderStartOptions: RecorderStartOptions = {
   envSetupForPlayback,
+  sanitizerOptions: {
+    generalSanitizers: [
+      {
+        regex: true,
+        target: `\\.png?[^"]+`,
+        value: ".png?sanitized",
+      },
+    ],
+  },
 };
 
 export type AuthMethod = "AzureAPIKey" | "OpenAIKey" | "AAD" | "DummyAPIKey";