HDFS-14784. Add more methods to WebHdfsTestUtil to support tests outside of package. Contributed by Chen Zhang.

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsFileSystemContract.java

@@ -410,8 +410,9 @@ public class TestWebHdfsFileSystemContract extends FileSystemContractBaseTest {
     {//test GETHOMEDIRECTORY
       final URL url = webhdfs.toUrl(GetOpParam.Op.GETHOMEDIRECTORY, root);
       final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
-      final Map<?, ?> m = WebHdfsTestUtil.connectAndGetJson(
-          conn, HttpServletResponse.SC_OK);
+      assertEquals(WebHdfsTestUtil.sendRequest(conn),
+          HttpServletResponse.SC_OK);
+      final Map<?, ?> m = WebHdfsTestUtil.getAndParseResponse(conn);
       assertEquals(webhdfs.getHomeDirectory().toUri().getPath(),
           m.get(Path.class.getSimpleName()));
       conn.disconnect();

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsTokens.java

@@ -348,7 +348,7 @@ public class TestWebHdfsTokens {
             @Override
             Token<DelegationTokenIdentifier> decodeResponse(Map<?, ?> json)
                 throws IOException {
-              return JsonUtilClient.toDelegationToken(json);
+              return WebHdfsTestUtil.convertJsonToDelegationToken(json);
             }
           }.run();
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/WebHdfsTestUtil.java

@@ -25,6 +25,8 @@ import java.net.URL;
 import java.security.PrivilegedExceptionAction;
 import java.util.Map;
 
+import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
+import org.apache.hadoop.security.token.Token;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -34,7 +36,6 @@ import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.web.resources.HttpOpParam;
 import org.apache.hadoop.hdfs.web.resources.Param;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.junit.Assert;
 
 public class WebHdfsTestUtil {
   public static final Logger LOG =
@@ -87,10 +88,26 @@ public class WebHdfsTestUtil {
     return url;
   }
 
-  public static Map<?, ?> connectAndGetJson(final HttpURLConnection conn,
-      final int expectedResponseCode) throws IOException {
+  public static HttpURLConnection openConnection(URL url, Configuration conf)
+      throws IOException {
+    URLConnectionFactory connectionFactory =
+        URLConnectionFactory.newDefaultURLConnectionFactory(60000, 60000, conf);
+    return (HttpURLConnection) connectionFactory.openConnection(url);
+  }
+
+  public static int sendRequest(final HttpURLConnection conn)
+      throws IOException {
     conn.connect();
-    Assert.assertEquals(expectedResponseCode, conn.getResponseCode());
+    return conn.getResponseCode();
+  }
+
+  public static Map<?, ?> getAndParseResponse(final HttpURLConnection conn)
+      throws IOException {
     return WebHdfsFileSystem.jsonParse(conn, false);
   }
+
+  public static Token<DelegationTokenIdentifier> convertJsonToDelegationToken(
+      Map<?, ?> json) throws IOException {
+    return JsonUtilClient.toDelegationToken(json);
+  }
 }