fix: disable uri normalization in ApacheHttpRequest (#804)

* fix: disable uri normalization in ApacheHttpRequest

* test: add in-memory, local webserver for testing requested url

* fix: use try-with-resources on OutputStream

* fix: provide port of 0 to let InetSocketAddress pick a port

Author: chingor13

google-http-client-apache-v2/src/main/java/com/google/api/client/http/apache/v2/ApacheHttpRequest.java

@@ -40,6 +40,7 @@ final class ApacheHttpRequest extends LowLevelHttpRequest {
     // disable redirects as google-http-client handles redirects
     this.requestConfig = RequestConfig.custom()
         .setRedirectsEnabled(false)
+        .setNormalizeUri(false)
         // TODO(chingor): configure in HttpClientBuilder when available
         .setStaleConnectionCheckEnabled(false);
   }

google-http-client-apache-v2/src/test/java/com/google/api/client/http/apache/v2/ApacheHttpTransportTest.java

@@ -22,10 +22,17 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
+import com.google.api.client.http.GenericUrl;
 import com.google.api.client.http.LowLevelHttpResponse;
 import com.google.api.client.util.ByteArrayStreamingContent;
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.net.InetSocketAddress;
 import java.nio.charset.StandardCharsets;
+import java.util.Random;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.apache.http.Header;
@@ -175,4 +182,33 @@ public void process(HttpRequest request, HttpContext context)
     }
     assertTrue("Expected to have called our test interceptor", interceptorCalled.get());
   }
+
+  @Test
+  public void testNormalizedUrl() throws IOException {
+    HttpServer server = HttpServer.create(new InetSocketAddress(0), 0);
+    server.createContext(
+        "/",
+        new HttpHandler() {
+          @Override
+          public void handle(HttpExchange httpExchange) throws IOException {
+            byte[] response = httpExchange.getRequestURI().toString().getBytes();
+            httpExchange.sendResponseHeaders(200, response.length);
+            try (OutputStream out = httpExchange.getResponseBody()) {
+              out.write(response);
+            }
+          }
+        });
+    server.start();
+
+    ApacheHttpTransport transport = new ApacheHttpTransport();
+    GenericUrl testUrl = new GenericUrl("http://localhost/foo//bar");
+    testUrl.setPort(server.getAddress().getPort());
+    com.google.api.client.http.HttpResponse response =
+        transport
+            .createRequestFactory()
+            .buildGetRequest(testUrl)
+            .execute();
+    assertEquals(200, response.getStatusCode());
+    assertEquals("/foo//bar", response.parseAsString());
+  }
 }