Verify custom RequestConfig is passed to underlying Apache HttpClient

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: renaudhartert-db

databricks-sdk-java/src/test/java/com/databricks/sdk/core/commons/CommonsHttpClientTest.java

@@ -7,10 +7,12 @@
 import com.databricks.sdk.core.http.Request;
 import com.databricks.sdk.core.http.Response;
 import java.io.IOException;
+import java.lang.reflect.Field;
 import java.net.HttpURLConnection;
 import java.util.*;
 import org.apache.commons.io.IOUtils;
 import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.Configurable;
 import org.junit.jupiter.api.Test;
 
 class CommonsHttpClientTest {
@@ -90,20 +92,21 @@ public void testNoRedirection() throws IOException {
   }
 
   @Test
-  public void testCustomRequestConfig() throws IOException {
-    try (FixtureServer fixtures = new FixtureServer().with("GET", "/foo", "ok", 200)) {
-      RequestConfig requestConfig =
-          RequestConfig.custom()
-              .setConnectTimeout(10_000)
-              .setSocketTimeout(900_000)
-              .setConnectionRequestTimeout(300_000)
-              .build();
-      HttpClient httpClient =
-          new CommonsHttpClient.Builder().withRequestConfig(requestConfig).build();
-      Request in = new Request("GET", fixtures.getUrl() + "/foo");
-      Response out = httpClient.execute(in);
-      assertEquals("ok", out.getDebugBody().trim());
-    }
+  public void testCustomRequestConfig() throws Exception {
+    RequestConfig requestConfig =
+        RequestConfig.custom()
+            .setConnectTimeout(10_000)
+            .setSocketTimeout(900_000)
+            .setConnectionRequestTimeout(300_000)
+            .build();
+    CommonsHttpClient httpClient =
+        new CommonsHttpClient.Builder().withRequestConfig(requestConfig).build();
+
+    // Verify that the custom RequestConfig is passed to the underlying Apache HttpClient.
+    Field hcField = CommonsHttpClient.class.getDeclaredField("hc");
+    hcField.setAccessible(true);
+    Configurable internalClient = (Configurable) hcField.get(httpClient);
+    assertSame(requestConfig, internalClient.getConfig());
   }
 
   @Test