LENS-1216 : Add priority tests to regression

Project: http://git-wip-us.apache.org/repos/asf/lens/repo
Commit: http://git-wip-us.apache.org/repos/asf/lens/commit/66b7f47f
Tree: http://git-wip-us.apache.org/repos/asf/lens/tree/66b7f47f
Diff: http://git-wip-us.apache.org/repos/asf/lens/diff/66b7f47f

Branch: refs/heads/master
Commit: 66b7f47ff14a7b0e50f0fd58ac64fbf1ddc0a19f
Parents: 2de1b52
Author: Archana H <archa...@apache.org>
Authored: Wed Jul 20 12:56:10 2016 +0530
Committer: Archana H <archa...@apache.org>
Committed: Wed Jul 20 12:56:10 2016 +0530

----------------------------------------------------------------------
 .../regression/core/constants/MetastoreURL.java |   1 -
 .../core/helpers/MetastoreHelper.java           |  12 +-
 .../core/helpers/ServiceManagerHelper.java      | 103 +--------
 .../regression/core/helpers/SessionHelper.java  |  53 +++--
 .../apache/lens/regression/util/AssertUtil.java |   2 +-
 .../org/apache/lens/regression/util/Util.java   |  79 ++++++-
 .../apache/lens/regression/ITMetricsTest.java   |   6 +-
 .../apache/lens/regression/ITPriorityTests.java | 214 ++++++++++++++++++
 .../apache/lens/regression/ITRestartTests.java  |  14 +-
 .../lens/regression/ITStreamingTests.java       |   4 +-
 .../apache/lens/regression/SessionTests.java    |  56 +++--
 .../lens/regression/client/ITListQueryTest.java |  16 +-
 .../regression/client/ITPreparedQueryTests.java |  11 +-
 .../lens/regression/client/ITQueryApiTests.java |  21 +-
 .../lens/regression/client/KillQueryTests.java  |  10 +-
 .../regression/client/SessionResourceTests.java |  40 ++--
 .../regression/config/ITServerConfigTests.java  | 219 ++++++++-----------
 .../lens/regression/throttling/ITCostTests.java | 114 ++++------
 .../lens/regression/throttling/Throttling.java  |  25 +--
 19 files changed, 595 insertions(+), 405 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/main/java/org/apache/lens/regression/core/constants/MetastoreURL.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/main/java/org/apache/lens/regression/core/constants/MetastoreURL.java
 
b/lens-regression/src/main/java/org/apache/lens/regression/core/constants/MetastoreURL.java
index 84cb310..43d0b5c 100644
--- 
a/lens-regression/src/main/java/org/apache/lens/regression/core/constants/MetastoreURL.java
+++ 
b/lens-regression/src/main/java/org/apache/lens/regression/core/constants/MetastoreURL.java
@@ -35,5 +35,4 @@ public class MetastoreURL {
   public static final String METASTORE_FLATTENED_URL = METASTORE_BASE_URL + 
"/flattened";
   public static final String METASTORE_NATIVETABLES_URL = METASTORE_BASE_URL + 
"/nativetables";
   public static final String METASTORE_STORAGES_URL = METASTORE_BASE_URL + 
"/storages";
-
 }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/MetastoreHelper.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/MetastoreHelper.java
 
b/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/MetastoreHelper.java
index f60ecef..e993256 100644
--- 
a/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/MetastoreHelper.java
+++ 
b/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/MetastoreHelper.java
@@ -19,10 +19,10 @@
 
 package org.apache.lens.regression.core.helpers;
 
+import javax.ws.rs.core.GenericType;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 
-
 import javax.xml.bind.JAXBException;
 
 import org.apache.lens.api.DateTime;
@@ -359,4 +359,14 @@ public class MetastoreHelper extends ServiceManagerHelper {
     getLatestDate(sessionHandleString);
   }
 
+  public StringList getAllFactsOfCube(String cubeName, String 
sessionHandleString)
+    throws InstantiationException, IllegalAccessException, JAXBException, 
LensException {
+    MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
+    Response response = this.exec("get", MetastoreURL.METASTORE_CUBES_URL + 
"/" + cubeName + "/facts", servLens, null,
+        query, MediaType.APPLICATION_XML_TYPE);
+    AssertUtil.assertSucceededResponse(response);
+    StringList factList = response.readEntity(new GenericType<StringList>(){});
+    return factList;
+  }
+
 }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/ServiceManagerHelper.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/ServiceManagerHelper.java
 
b/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/ServiceManagerHelper.java
index a1d75ea..eb49827 100644
--- 
a/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/ServiceManagerHelper.java
+++ 
b/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/ServiceManagerHelper.java
@@ -29,19 +29,10 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.UriBuilder;
 
-import javax.xml.bind.JAXBException;
-
-import org.apache.lens.api.APIResult;
-import org.apache.lens.api.LensConf;
-import org.apache.lens.regression.core.constants.SessionURL;
 import org.apache.lens.regression.core.type.FormBuilder;
 import org.apache.lens.regression.core.type.MapBuilder;
-import org.apache.lens.regression.util.AssertUtil;
 import org.apache.lens.regression.util.Util;
-import org.apache.lens.server.api.error.LensException;
 
-import org.glassfish.jersey.media.multipart.FormDataBodyPart;
-import org.glassfish.jersey.media.multipart.FormDataContentDisposition;
 import org.glassfish.jersey.media.multipart.FormDataMultiPart;
 import org.glassfish.jersey.media.multipart.MultiPartFeature;
 
@@ -61,34 +52,12 @@ public abstract class ServiceManagerHelper {
   private static final String JOB_CONF_URL = "job.conf.url";
   private static final String START_DATE = "query.start.date";
 
-
   protected static String sessionHandleString;
   protected static WebTarget servLens;
-
-  protected String baseUrl;
-  protected String adminUrl;
-  protected String userName;
-  protected String password;
-  protected String serverDir;
-  protected String clientDir;
-  protected String serverHdfsUrl;
-  protected String currentDB;
-  protected String jobConfUrl;
-  protected String startDate;
-
+  protected Properties configProp = null;
 
   public ServiceManagerHelper(String envFileName) {
-    Properties prop = Util.getPropertiesObj(envFileName);
-    this.baseUrl = prop.getProperty(LENS_BASE_URL);
-    this.adminUrl = prop.getProperty(LENS_ADMIN_URL);
-    this.userName = prop.getProperty(LENS_USERNAME);
-    this.password = prop.getProperty(LENS_PASSWORD);
-    this.serverDir = prop.getProperty(LENS_SERVER_DIR);
-    this.clientDir = prop.getProperty(LENS_CLIENT_DIR);
-    this.serverHdfsUrl = prop.getProperty(LENS_SERVER_HDFS_URL);
-    this.currentDB = prop.getProperty(LENS_CURRENT_DB);
-    this.jobConfUrl = prop.getProperty(JOB_CONF_URL);
-    this.startDate = prop.getProperty(START_DATE);
+    configProp = Util.getPropertiesObj(envFileName);
   }
 
   public ServiceManagerHelper() {
@@ -106,40 +75,36 @@ public abstract class ServiceManagerHelper {
     return servLens;
   }
 
-  public static String getSessionHandle() {
-    return sessionHandleString;
-  }
-
   public static URI getServiceURI(String baseUri) {
     return UriBuilder.fromUri(baseUri).build();
   }
 
   public String getBaseUrl() {
-    return baseUrl;
+    return configProp.getProperty(LENS_BASE_URL);
   }
 
   public String getAdminUrl() {
-    return adminUrl;
+    return configProp.getProperty(LENS_ADMIN_URL);
   }
 
   public String getUserName() {
-    return userName;
+    return configProp.getProperty(LENS_USERNAME);
   }
 
   public String getPassword() {
-    return password;
+    return configProp.getProperty(LENS_PASSWORD);
   }
 
   public String getServerDir() {
-    return serverDir;
+    return configProp.getProperty(LENS_SERVER_DIR);
   }
 
   public String getClientDir() {
-    return clientDir;
+    return configProp.getProperty(LENS_CLIENT_DIR);
   }
 
   public String getServerHdfsUrl() {
-    return serverHdfsUrl;
+    return configProp.getProperty(LENS_SERVER_HDFS_URL);
   }
 
   public String getSessionHandleString() {
@@ -147,58 +112,15 @@ public abstract class ServiceManagerHelper {
   }
 
   public String getCurrentDB() {
-    return currentDB;
+    return configProp.getProperty(LENS_CURRENT_DB);
   }
 
   public String getJobConfUrl() {
-    return jobConfUrl;
+    return configProp.getProperty(JOB_CONF_URL);
   }
 
   public String getStartDate() {
-    return startDate;
-  }
-
-
-  public String openSession(String database) throws JAXBException, 
LensException {
-    FormBuilder formData = new FormBuilder();
-    formData.add("username", this.getUserName());
-    formData.add("password", this.getPassword());
-    if (database != null) {
-      formData.add("database", database);
-    }
-
-    LensConf conf = new LensConf();
-    formData.getForm().bodyPart(
-        new 
FormDataBodyPart(FormDataContentDisposition.name("sessionconf").fileName("sessionconf").build(),
 conf,
-            MediaType.APPLICATION_XML_TYPE));
-    formData.add("sessionconf", conf.toString(), 
MediaType.APPLICATION_JSON_TYPE);
-
-    Response response = this.exec("post", SessionURL.SESSION_BASE_URL, 
ServiceManagerHelper.servLens, null, null,
-        MediaType.MULTIPART_FORM_DATA_TYPE, MediaType.APPLICATION_XML, 
formData.getForm());
-    AssertUtil.assertSucceededResponse(response);
-    sessionHandleString = response.readEntity(String.class);
-    log.info("Session Handle String:{}", sessionHandleString);
-    return sessionHandleString;
-  }
-
-  public String openSession() throws JAXBException, LensException {
-    return openSession(null);
-  }
-
-  public void closeSession() throws JAXBException, LensException {
-    MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
-    Response response = this.exec("delete", SessionURL.SESSION_BASE_URL, 
ServiceManagerHelper.servLens, null, query);
-    APIResult result = response.readEntity(APIResult.class);
-    if (result.getStatus() != APIResult.Status.SUCCEEDED) {
-      throw new LensException("Status should be SUCCEEDED");
-    }
-    if (response.getStatus() != 200) {
-      throw new LensException("Status code should be 200");
-    }
-    if (result.getMessage() == null) {
-      throw new LensException("Status message is null");
-    }
-    log.info("Closed Session : {}", sessionHandleString);
+    return configProp.getProperty(START_DATE);
   }
 
   public <T> Response exec(String functionName, String path, WebTarget 
service, FormDataMultiPart headers,
@@ -238,7 +160,6 @@ public abstract class ServiceManagerHelper {
     }
 
     Invocation.Builder build = builder.request(outputMediaType);
-
     functionName = "exec" + functionName.toUpperCase();
 
     try {

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/SessionHelper.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/SessionHelper.java
 
b/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/SessionHelper.java
index f7ec3e1..6c01d1e 100644
--- 
a/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/SessionHelper.java
+++ 
b/lens-regression/src/main/java/org/apache/lens/regression/core/helpers/SessionHelper.java
@@ -27,7 +27,6 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 
 import org.apache.lens.api.LensConf;
-import org.apache.lens.api.LensSessionHandle;
 import org.apache.lens.api.StringList;
 import org.apache.lens.regression.core.constants.SessionURL;
 import org.apache.lens.regression.core.type.FormBuilder;
@@ -55,7 +54,6 @@ public class SessionHelper extends ServiceManagerHelper {
 
   /**
    * Open a New Session
-   *
    * @param userName
    * @param password
    * @param database
@@ -76,46 +74,48 @@ public class SessionHelper extends ServiceManagerHelper {
             MediaType.APPLICATION_XML_TYPE));
     formData.add("sessionconf", conf.toString(), 
MediaType.APPLICATION_JSON_TYPE);
 
-    Response response = this
-        .exec("post", "/session", servLens, null, null, 
MediaType.MULTIPART_FORM_DATA_TYPE, outputMediaType,
-            formData.getForm());
+    Response response = this.exec("post", SessionURL.SESSION_BASE_URL, 
servLens, null, null,
+        MediaType.MULTIPART_FORM_DATA_TYPE, outputMediaType, 
formData.getForm());
+
     return response;
   }
 
-  public String openNewSession(String userName, String password, String 
database, String outputMediaType)
-    throws LensException {
-    Response response = openSessionReturnResponse(userName, password, 
database, outputMediaType);
+  public String openSession(String database) throws LensException {
+    Response response = openSessionReturnResponse(this.getUserName(), 
this.getPassword(), database,
+        MediaType.APPLICATION_XML);
     AssertUtil.assertSucceededResponse(response);
-    String newSessionHandleString = response.readEntity(String.class);
-    log.info("Session Handle String:{}", newSessionHandleString);
-    return newSessionHandleString;
+    sessionHandleString = response.readEntity(String.class);
+    log.info("Session Handle String:{}", sessionHandleString);
+    return sessionHandleString;
   }
 
-  public String openNewSession(String userName, String password) throws 
LensException {
-    return openNewSession(userName, password, null, MediaType.APPLICATION_XML);
+  public String openSession() throws LensException {
+    return openSession(null);
   }
 
-  public String openNewSession(String userName, String password, String 
database) throws LensException {
-    return openNewSession(userName, password, database, 
MediaType.APPLICATION_XML);
-  }
-
-  public LensSessionHandle openNewSessionJson(String userName, String 
password, String database, String outputMediaType)
+  public String openSession(String userName, String password, String database, 
String outputMediaType)
     throws LensException {
-
     Response response = openSessionReturnResponse(userName, password, 
database, outputMediaType);
     AssertUtil.assertSucceededResponse(response);
-    LensSessionHandle newSessionHandleString = response.readEntity(new 
GenericType<LensSessionHandle>(){});
+    String newSessionHandleString = response.readEntity(String.class);
     log.info("Session Handle String:{}", newSessionHandleString);
     return newSessionHandleString;
   }
 
+  public String openSession(String userName, String password) throws 
LensException {
+    return openSession(userName, password, null, MediaType.APPLICATION_XML);
+  }
+
+  public String openSession(String userName, String password, String database) 
throws LensException {
+    return openSession(userName, password, database, 
MediaType.APPLICATION_XML);
+  }
+
   /**
    * Close a Session
    * @param sessionHandleString
    */
 
-  public void closeNewSession(String sessionHandleString, String 
outputMediaType) throws LensException {
-
+  public void closeSession(String sessionHandleString, String outputMediaType) 
throws LensException {
     MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
     Response response = this.exec("delete", SessionURL.SESSION_BASE_URL, 
servLens, null, query, null,
         outputMediaType, null);
@@ -123,8 +123,12 @@ public class SessionHelper extends ServiceManagerHelper {
     log.info("Closed Session : {}", sessionHandleString);
   }
 
-  public void closeNewSession(String sessionHandleString) throws LensException 
{
-    closeNewSession(sessionHandleString, null);
+  public void closeSession(String sessionHandleString) throws LensException {
+    closeSession(sessionHandleString, null);
+  }
+
+  public void closeSession() throws LensException {
+    closeSession(sessionHandleString, null);
   }
 
   /**
@@ -134,6 +138,7 @@ public class SessionHelper extends ServiceManagerHelper {
    * @param param
    * @param value
    */
+
   public void setAndValidateParam(String sessionHandleString, String param, 
String value) throws Exception {
 
     FormBuilder formData = new FormBuilder();

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/main/java/org/apache/lens/regression/util/AssertUtil.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/main/java/org/apache/lens/regression/util/AssertUtil.java 
b/lens-regression/src/main/java/org/apache/lens/regression/util/AssertUtil.java
index c4763aa..b2af76b 100644
--- 
a/lens-regression/src/main/java/org/apache/lens/regression/util/AssertUtil.java
+++ 
b/lens-regression/src/main/java/org/apache/lens/regression/util/AssertUtil.java
@@ -46,7 +46,7 @@ public class AssertUtil {
     if (response.getStatus() != 200) {
       throw new LensException("Status code should be 200");
     }
-    APIResult result = Util.getApiResult(response);
+    APIResult result = response.readEntity(APIResult.class);
     if (result.getStatus() != APIResult.Status.SUCCEEDED) {
       throw new LensException("Status should be SUCCEEDED");
     }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/main/java/org/apache/lens/regression/util/Util.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/main/java/org/apache/lens/regression/util/Util.java 
b/lens-regression/src/main/java/org/apache/lens/regression/util/Util.java
index dcf5e8b..2e48e80 100644
--- a/lens-regression/src/main/java/org/apache/lens/regression/util/Util.java
+++ b/lens-regression/src/main/java/org/apache/lens/regression/util/Util.java
@@ -16,6 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+
 package org.apache.lens.regression.util;
 
 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
@@ -28,6 +29,8 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.*;
 import java.util.Map.Entry;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import javax.ws.rs.core.Response;
 import javax.xml.bind.*;
@@ -36,10 +39,13 @@ import javax.xml.datatype.DatatypeFactory;
 import javax.xml.datatype.XMLGregorianCalendar;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.*;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
-
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
 
 import org.apache.lens.api.APIResult;
 import org.apache.lens.api.StringList;
@@ -48,13 +54,19 @@ import org.apache.lens.api.metastore.ObjectFactory;
 import org.apache.lens.api.metastore.XProperties;
 import org.apache.lens.api.metastore.XProperty;
 
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
-import com.jcraft.jsch.*;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
 
+import com.jcraft.jsch.*;
 
 import lombok.extern.slf4j.Slf4j;
 
@@ -66,6 +78,8 @@ public class Util {
   private static String localFile;
   private static String backupFile;
 
+  private static org.apache.log4j.Logger logger = 
org.apache.log4j.Logger.getLogger(Util.class);
+
   private Util() {
 
   }
@@ -392,4 +406,65 @@ public class Util {
       return null;
     }
   }
+
+  public static String getJobIdFromProgressMsg(String progressMsg){
+    Pattern jobIdPattern = Pattern.compile("(job_\\d*_\\d*)");
+    Matcher matcher = jobIdPattern.matcher(progressMsg);
+    String jobid=null;
+    if (matcher.find()) {
+      jobid = matcher.group(1);
+    }
+    return jobid;
+  }
+
+  public static String getMapredJobPrority(String url, String jobId) throws 
IOException, IllegalAccessException,
+      InstantiationException, ParserConfigurationException, SAXException {
+
+    String xmlPathExpr = "/conf/property[name='mapreduce.job.priority']/value";
+    String jobConfXml = sendHttpGetRequest(url.replace("JOB_ID", jobId));
+    String priority = getValueFromXml(jobConfXml, xmlPathExpr);
+    return priority;
+  }
+
+  public static String sendHttpGetRequest(String url) throws IOException {
+    HttpGet request = new HttpGet(url);
+    request.addHeader("Accept", "application/xml");
+    HttpResponse response = new DefaultHttpClient().execute(request);
+    BufferedReader rd = new BufferedReader(new 
InputStreamReader(response.getEntity().getContent(), "UTF-8"));
+    StringBuffer result = new StringBuffer();
+    String line = "";
+    while ((line = rd.readLine()) != null) {
+      result.append(line);
+    }
+    return result.toString();
+  }
+
+  public static Document getDocument(String xmlContent) throws 
ParserConfigurationException, SAXException, IOException {
+
+    DocumentBuilder db = 
DocumentBuilderFactory.newInstance().newDocumentBuilder();
+    InputSource is = new InputSource();
+    is.setCharacterStream(new StringReader(xmlContent));
+    Document doc = db.parse(is);
+    return doc;
+  }
+
+  public static String getValueFromXml(String xmlContent, String xmlPathExpr) {
+
+    String value    = null;
+    try {
+      Document doc = getDocument(xmlContent);
+      XPath xpath  = XPathFactory.newInstance().newXPath();
+      value        = xpath.compile(xmlPathExpr).evaluate(doc);
+
+    } catch (ParserConfigurationException e) {
+      logger.info(e);
+    } catch (SAXException e) {
+      logger.info(e);
+    } catch (IOException e) {
+      logger.info(e);
+    } catch (XPathExpressionException e) {
+      logger.info(e);
+    }
+    return value;
+  }
 }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/ITMetricsTest.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/ITMetricsTest.java 
b/lens-regression/src/test/java/org/apache/lens/regression/ITMetricsTest.java
index 4f28db5..dad7b07 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/ITMetricsTest.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/ITMetricsTest.java
@@ -78,13 +78,13 @@ public class ITMetricsTest extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     logger.info("Creating a new Session for " + method.getName());
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @AfterMethod(alwaysRun = true)
   public void closeSession(Method method) throws Exception {
     logger.info("Closing Session for " + method.getName());
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
 
@@ -134,7 +134,7 @@ public class ITMetricsTest extends BaseTestClass {
     HashMap<String, Integer> oldMap = getMetricsSnapshot();
     HashMap<String, Integer> newMap = null;
 
-    String sessionHandleString = sHelper.openNewSession("diff", "diff");
+    String sessionHandleString = sHelper.openSession("diff", "diff");
     newMap = getMetricsSnapshot();
     Assert.assertEquals(newMap.get(HTTP_REQUESTS_FINISHED) - 
oldMap.get(HTTP_REQUESTS_FINISHED), 1);
 

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/ITPriorityTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/ITPriorityTests.java 
b/lens-regression/src/test/java/org/apache/lens/regression/ITPriorityTests.java
new file mode 100644
index 0000000..1bae767
--- /dev/null
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/ITPriorityTests.java
@@ -0,0 +1,214 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+
+package org.apache.lens.regression;
+
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import javax.ws.rs.client.WebTarget;
+
+import org.apache.lens.api.LensConf;
+import org.apache.lens.api.Priority;
+import org.apache.lens.api.query.*;
+import org.apache.lens.cube.parse.CubeQueryConfUtil;
+import org.apache.lens.driver.hive.HiveDriver;
+import org.apache.lens.regression.core.constants.DriverConfig;
+import org.apache.lens.regression.core.constants.QueryInventory;
+import org.apache.lens.regression.core.helpers.*;
+import org.apache.lens.regression.core.testHelper.BaseTestClass;
+import org.apache.lens.regression.util.Util;
+import org.apache.lens.server.api.LensConfConstants;
+import org.apache.lens.server.api.error.LensException;
+import org.apache.lens.server.api.util.LensUtil;
+
+import org.apache.log4j.Logger;
+
+import org.testng.Assert;
+import org.testng.annotations.*;
+
+import com.jcraft.jsch.JSchException;
+import com.jcraft.jsch.SftpException;
+
+public class ITPriorityTests extends BaseTestClass{
+
+  WebTarget servLens;
+  String sessionHandleString;
+
+  LensServerHelper lens = getLensServerHelper();
+  MetastoreHelper mHelper = getMetastoreHelper();
+  SessionHelper sHelper = getSessionHelper();
+  QueryHelper qHelper = getQueryHelper();
+
+  String hiveDriver = "hive/hive1";
+  String hiveDriverConfPath  = lens.getServerDir() + "/conf/drivers/" + 
hiveDriver + "/hivedriver-site.xml";
+  String lensSiteConfPath = lens.getServerDir() + "/conf/lens-site.xml";
+  private String jobUrl = lens.getJobConfUrl();
+
+  public static final String COST_95 = 
QueryInventory.getQueryFromInventory("HIVE.COST_95");
+  public static final String COST_60 = 
QueryInventory.getQueryFromInventory("HIVE.COST_60");
+  public static final String COST_20 = 
QueryInventory.getQueryFromInventory("HIVE.COST_20");
+  public static final String COST_5 = 
QueryInventory.getQueryFromInventory("HIVE.COST_5");
+
+  private static Logger logger = Logger.getLogger(ITPriorityTests.class);
+
+
+  @BeforeClass(alwaysRun = true)
+  public void initialize() throws Exception {
+    servLens = ServiceManagerHelper.init();
+    HashMap<String, String> map = 
LensUtil.getHashMap(HiveDriver.HS2_PRIORITY_RANGES,
+        "HIGH,7,NORMAL,30,LOW,90,VERY_LOW");
+    Util.changeConfig(map, hiveDriverConfPath);
+    lens.restart();
+
+    sessionHandleString=sHelper.openSession(lens.getCurrentDB());
+    sHelper.setAndValidateParam(CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, 
"false");
+  }
+
+  @BeforeMethod(alwaysRun = true)
+  public void setUp(Method method) throws Exception {
+    logger.info("Test Name: " + method.getName());
+  }
+
+  @AfterMethod(alwaysRun=true)
+  public void restoreConfig() throws JSchException, IOException, LensException{
+  }
+
+  @AfterClass(alwaysRun = true)
+  public void cleanup() throws IOException, JSchException, LensException, 
InterruptedException, SftpException {
+    logger.info("Closing Session");
+    sHelper.closeSession();
+    Util.changeConfig(hiveDriverConfPath);
+    lens.restart();
+  }
+
+
+  @DataProvider(name = "priority_check")
+  public Object[][] priorityCheck() {
+    Object[][] testData = {{COST_5, Priority.HIGH}, {COST_20, 
Priority.NORMAL}, {COST_60, Priority.LOW},
+      {COST_95, Priority.VERY_LOW}, };
+    return testData;
+  }
+
+  @Test(enabled=true, dataProvider = "priority_check")
+  public void testPriority(String query, Priority priority) throws Exception {
+    QueryHandle qh = (QueryHandle) qHelper.executeQuery(query).getData();
+    qHelper.waitForQueryToRun(qh);
+    LensQuery lq = qHelper.getLensQuery(sessionHandleString, qh);
+    String progressMsg = qHelper.getQueryStatus(qh).getProgressMessage();
+    logger.info("Progress msg : " + progressMsg);
+    String jobId = Util.getJobIdFromProgressMsg(progressMsg);
+    Assert.assertEquals(lq.getPriority(), priority);
+    Assert.assertEquals(Util.getMapredJobPrority(jobUrl, jobId), 
priority.toString());
+  }
+
+
+  @Test(enabled = true)
+  public void testPriorityAfterQueryPurge() throws Exception {
+
+    try{
+      HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.PURGE_INTERVAL, "5000");
+      Util.changeConfig(map, lensSiteConfPath);
+      lens.restart();
+
+      QueryHandle queryHandle = (QueryHandle) 
qHelper.executeQuery(QueryInventory.HIVE_CUBE_QUERY).getData();
+      LensQuery lensQuery = qHelper.waitForCompletion(queryHandle);
+      Thread.sleep(6000);
+      lensQuery =  qHelper.getLensQuery(sessionHandleString, queryHandle);
+      Assert.assertEquals(lensQuery.getPriority(), Priority.HIGH);
+
+    }catch(Exception e){
+      Util.changeConfig(lensSiteConfPath);
+      lens.restart();
+    }
+  }
+
+  /*
+   When query executed with TIMEOUT is in running state then all queued 
queries will fail with
+   null pointer execption when getting prioity. This is becuasue there was a 
bug in queryWithTimeout
+   execution flow. It was not going in the normal execution path where 
priority was set
+  */
+
+  @Test(enabled = true)
+  public void testPriorityForTimeoutQuery() throws Exception {
+
+    String cost60 = QueryInventory.getQueryFromInventory("HIVE.COST_60");
+    List<QueryHandle> list = new ArrayList<QueryHandle>();
+
+    
sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_INDRIVER, 
"false");
+    sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_SET, 
"true");
+
+    QueryHandleWithResultSet qhr = (QueryHandleWithResultSet) 
qHelper.executeQueryTimeout(cost60, "10000")
+        .getData();
+
+    for(int i = 0; i < 6; i++){
+      list.add((QueryHandle) 
qHelper.executeQuery(QueryInventory.HIVE_CUBE_QUERY).getData());
+    }
+
+    LensQuery lq = qHelper.waitForCompletion(qhr.getQueryHandle());
+    Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
+
+    for(QueryHandle q : list){
+      LensQuery lensQuery = qHelper.waitForCompletion(q);
+      Assert.assertEquals(lensQuery.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
+    }
+  }
+
+
+  /*
+    LENS-1016 : When query is executed with "mapreduce.job.priority" set by 
user, then all queued queries will fail with
+    null pointer execption when getting prioity. This is becuasue priority is 
not set for that query.
+ */
+
+  @Test(enabled = true)
+  public void testExplicitPrioritySettingByUser() throws Exception {
+
+    List<QueryHandle> handleList = new ArrayList<QueryHandle>();
+    HashMap<String, String> map = 
LensUtil.getHashMap(DriverConfig.MAX_CONCURRENT_QUERIES, "4",
+        DriverConfig.PRIORITY_MAX_CONCURRENT, "LOW=2,VERY_LOW=1,HIGH=4");
+    String sleepQuery = QueryInventory.getSleepQuery("10");
+
+    try {
+      Util.changeConfig(map, hiveDriverConfPath);
+      lens.restart();
+
+      LensConf lensConf = new LensConf();
+      lensConf.addProperty("mapreduce.job.priority", "HIGH");
+
+      handleList.add((QueryHandle) qHelper.executeQuery(sleepQuery, null, 
null, sessionHandleString,
+          lensConf).getData());
+
+      for(int i=0; i<6; i++){
+        handleList.add((QueryHandle) 
qHelper.executeQuery(QueryInventory.HIVE_CUBE_QUERY).getData());
+      }
+
+      for(int i=0; i<handleList.size(); i++){
+        LensQuery lq = qHelper.waitForCompletion(handleList.get(i));
+        Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
+      }
+    } finally {
+      Util.changeConfig(hiveDriverConfPath);
+      lens.restart();
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/ITRestartTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/ITRestartTests.java 
b/lens-regression/src/test/java/org/apache/lens/regression/ITRestartTests.java
index 203996b..70d1289 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/ITRestartTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/ITRestartTests.java
@@ -80,14 +80,14 @@ public class ITRestartTests extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @AfterMethod(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
     if (sessionHandleString!=null) {
-      lens.closeSession();
+      sHelper.closeSession();
     }
   }
 
@@ -109,7 +109,7 @@ public class ITRestartTests extends BaseTestClass {
 
     LensConf lensConf = new LensConf();
     lensConf.addProperties(confMap);
-    String session1 = sHelper.openNewSession("diff1", "diff1", 
lens.getCurrentDB());
+    String session1 = sHelper.openSession("diff1", "diff1", 
lens.getCurrentDB());
     sHelper.setAndValidateParam(confMap, session1);
 
     List<QueryHandle> qList = new ArrayList<QueryHandle>();
@@ -117,12 +117,12 @@ public class ITRestartTests extends BaseTestClass {
       qList.add((QueryHandle)qHelper.executeQuery(query, null, null, session1, 
lensConf).getData());
     }
 
-    String session2 = sHelper.openNewSession("diff2", "diff2", 
lens.getCurrentDB());
-    String session3 = sHelper.openNewSession("diff3", "diff3", 
lens.getCurrentDB());
+    String session2 = sHelper.openSession("diff2", "diff2", 
lens.getCurrentDB());
+    String session3 = sHelper.openSession("diff3", "diff3", 
lens.getCurrentDB());
 
     qHelper.waitForCompletion(qList.get(0));
     Thread.sleep(5000);                         // wait till query gets 
persisted
-    sHelper.closeNewSession(session1);          // required to hit that flow
+    sHelper.closeSession(session1);          // required to hit that flow
     lens.restart();
 
     Assert.assertTrue(Boolean.parseBoolean(sHelper.getSessionParam(session2,
@@ -134,7 +134,7 @@ public class ITRestartTests extends BaseTestClass {
 
     for(int i=4; i<8; i++){
       String user = "diff" + Integer.toString(i);
-      String session = sHelper.openNewSession(user, user, lens.getCurrentDB());
+      String session = sHelper.openSession(user, user, lens.getCurrentDB());
       String isDriverPersist = sHelper.getSessionParam(session, 
LensConfConstants.QUERY_PERSISTENT_RESULT_INDRIVER);
       String isMailNotify = sHelper.getSessionParam(session, mailNotify);
       logger.info(user + " session  : " + isDriverPersist);

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/ITStreamingTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/ITStreamingTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/ITStreamingTests.java
index d10f011..d28b2ac 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/ITStreamingTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/ITStreamingTests.java
@@ -67,13 +67,13 @@ public class ITStreamingTests extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @AfterMethod(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
   @DataProvider(name="query_provider")

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/SessionTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/SessionTests.java 
b/lens-regression/src/test/java/org/apache/lens/regression/SessionTests.java
index 8b53897..255f5be 100644
--- a/lens-regression/src/test/java/org/apache/lens/regression/SessionTests.java
+++ b/lens-regression/src/test/java/org/apache/lens/regression/SessionTests.java
@@ -73,13 +73,13 @@ public class SessionTests extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @AfterMethod(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
 
@@ -102,48 +102,58 @@ public class SessionTests extends BaseTestClass {
   @Test(enabled = true)
   public void testRunningQueryContinuationOnSessionClose()  throws Exception {
 
-    String session = sHelper.openNewSession("test", "test", 
lens.getCurrentDB());
-    List<QueryHandle> handleList = new ArrayList<QueryHandle>();
-    String sleepQuery = QueryInventory.getSleepQuery("5");
+    HashMap<String, String> map = 
LensUtil.getHashMap(DriverConfig.MAX_CONCURRENT_QUERIES, "10");
+    String hiveDriverConf = lens.getServerDir() + 
"/conf/drivers/hive/hive1/hivedriver-site.xml";
 
-    for(int i=1; i<=5; i++){
-      handleList.add((QueryHandle) qHelper.executeQuery(sleepQuery, null, 
session).getData());
-    }
+    try {
+      Util.changeConfig(map, hiveDriverConf);
+      lens.restart();
+
+      String session = sHelper.openSession("test", "test", 
lens.getCurrentDB());
+      List<QueryHandle> handleList = new ArrayList<QueryHandle>();
+      String sleepQuery = QueryInventory.getSleepQuery("5");
 
-    Thread.sleep(3000);
+      for(int i=1; i<=5; i++){
+        handleList.add((QueryHandle) qHelper.executeQuery(sleepQuery, null, 
session).getData());
+      }
+      qHelper.waitForQueryToRun(handleList.get(3));
 
-    List<QueryHandle> running = qHelper.getQueryHandleList(null, "RUNNING", 
"all", sessionHandleString, null, null);
-    sHelper.closeNewSession(session);
-    Assert.assertTrue(running.size() > 0);
-    logger.info("Running query count " + running.size());
+      List<QueryHandle> running = qHelper.getQueryHandleList(null, "RUNNING", 
"all", sessionHandleString);
+      sHelper.closeSession(session);
+      Assert.assertTrue(running.size() > 0);
+      logger.info("Running query count " + running.size());
 
-    for(QueryHandle handle : running){
-      LensQuery lq = qHelper.waitForCompletion(handle);
-      Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
+      for(QueryHandle handle : running){
+        LensQuery lq = qHelper.waitForCompletion(handle);
+        Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
+      }
+    } finally {
+      Util.changeConfig(hiveDriverConf);
+      lens.restart();
     }
   }
 
   // Fails. Bug : LENS-904
   // Check for query continuation on session close.
-  @Test(enabled = false)
+  @Test(enabled = true)
   public void testQueryContinuationOnSessionClose()  throws Exception {
 
     HashMap<String, String> map = 
LensUtil.getHashMap(DriverConfig.MAX_CONCURRENT_QUERIES, "1");
-    String expHiveDriverConf = lens.getServerDir() + 
"/conf/drivers/hive/hive1/hivedriver-site.xml";
+    String hiveDriverConf = lens.getServerDir() + 
"/conf/drivers/hive/hive1/hivedriver-site.xml";
 
     try {
-      Util.changeConfig(map, expHiveDriverConf);
+      Util.changeConfig(map, hiveDriverConf);
       lens.restart();
 
-      String session = sHelper.openNewSession("test", "test", 
lens.getCurrentDB());
+      String session = sHelper.openSession("test", "test", 
lens.getCurrentDB());
       List<QueryHandle> handleList = new ArrayList<QueryHandle>();
-      String sleepQuery = QueryInventory.getSleepQuery("5");
+      String sleepQuery = QueryInventory.getSleepQuery("3");
 
       for (int i = 1; i <= 5; i++) {
         handleList.add((QueryHandle) qHelper.executeQuery(sleepQuery, null, 
session).getData());
       }
 
-      sHelper.closeNewSession(session);
+      sHelper.closeSession(session);
 
       for (QueryHandle handle : handleList) {
         LensQuery lq = qHelper.waitForCompletion(handle);
@@ -151,7 +161,7 @@ public class SessionTests extends BaseTestClass {
       }
 
     } finally {
-      Util.changeConfig(expHiveDriverConf);
+      Util.changeConfig(hiveDriverConf);
       lens.restart();
     }
   }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/client/ITListQueryTest.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/client/ITListQueryTest.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/client/ITListQueryTest.java
index f64d966..1652ba3 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/client/ITListQueryTest.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/client/ITListQueryTest.java
@@ -57,7 +57,7 @@ public class ITListQueryTest extends BaseTestClass {
   public void initialize() throws IOException, JAXBException, LensException {
     servLens = ServiceManagerHelper.init();
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @BeforeMethod(alwaysRun = true)
@@ -75,7 +75,7 @@ public class ITListQueryTest extends BaseTestClass {
   @AfterClass(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
   @DataProvider(name = "query-provider")
@@ -193,7 +193,7 @@ public class ITListQueryTest extends BaseTestClass {
   public void listQuerySpecificUserAllUser() throws Exception {
     String diffUser = "diff";
     String diffPass = "diff";
-    String diffSessionHandleString = sHelper.openNewSession(diffUser, 
diffPass, lens.getCurrentDB());
+    String diffSessionHandleString = sHelper.openSession(diffUser, diffPass, 
lens.getCurrentDB());
 
     //Running Query with user1
     QueryHandle queryHandle1 = (QueryHandle) 
qHelper.executeQuery(QueryInventory.QUERY).getData();
@@ -376,7 +376,7 @@ public class ITListQueryTest extends BaseTestClass {
     QueryHandle q2 = (QueryHandle) 
qHelper.executeQuery(QueryInventory.HIVE_DIM_QUERY).getData();
 
     //Running Query with diff user
-    String diffSession = sHelper.openNewSession("diff", "diff", 
lens.getCurrentDB());
+    String diffSession = sHelper.openSession("diff", "diff", 
lens.getCurrentDB());
     QueryHandle q3 = (QueryHandle) 
qHelper.executeQuery(QueryInventory.JDBC_CUBE_QUERY, null, 
diffSession).getData();
     QueryHandle q4 = (QueryHandle) 
qHelper.executeQuery(QueryInventory.HIVE_CUBE_QUERY, null, 
diffSession).getData();
 
@@ -403,7 +403,7 @@ public class ITListQueryTest extends BaseTestClass {
   public void listQueryByDriverNStatus() throws Exception {
 
     String user = "new", pwd = "new";
-    String newSession = sHelper.openNewSession(user, pwd, 
mHelper.getCurrentDB());
+    String newSession = sHelper.openSession(user, pwd, mHelper.getCurrentDB());
 
     //Cancelled hive Query
     QueryHandle q1 = (QueryHandle) qHelper.executeQuery(sleepQuery, null, 
newSession).getData();
@@ -416,7 +416,7 @@ public class ITListQueryTest extends BaseTestClass {
 
     //Successful jdbc Query
     QueryHandle q3 = (QueryHandle) 
qHelper.executeQuery(QueryInventory.JDBC_CUBE_QUERY, null, 
newSession).getData();
-    qHelper.waitForCompletion(newSession, q2);
+    qHelper.waitForCompletion(newSession, q3);
 
     //Running hive Query
     QueryHandle q4 = (QueryHandle) qHelper.executeQuery(sleepQuery, null, 
newSession).getData();
@@ -454,8 +454,8 @@ public class ITListQueryTest extends BaseTestClass {
     String user1 = "diff", pwd1 = "diff";
     String user2 = "diff1", pwd2 = "diff1";
 
-    String diffSession1 = sHelper.openNewSession(user1, pwd1, 
lens.getCurrentDB());
-    String diffSession2 = sHelper.openNewSession(user2, pwd2, 
lens.getCurrentDB());
+    String diffSession1 = sHelper.openSession(user1, pwd1, 
lens.getCurrentDB());
+    String diffSession2 = sHelper.openSession(user2, pwd2, 
lens.getCurrentDB());
 
     String startTime1 = String.valueOf(System.currentTimeMillis());
     QueryHandle q1 = (QueryHandle) qHelper.executeQuery(QueryInventory.QUERY, 
queryName1).getData();

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/client/ITPreparedQueryTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/client/ITPreparedQueryTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/client/ITPreparedQueryTests.java
index 7be0936..6292867 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/client/ITPreparedQueryTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/client/ITPreparedQueryTests.java
@@ -79,8 +79,7 @@ public class ITPreparedQueryTests extends BaseTestClass {
   public void initialize() throws IOException, JAXBException, LensException {
     servLens = ServiceManagerHelper.init();
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession();
-    mHelper.setCurrentDatabase(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @BeforeMethod(alwaysRun = true)
@@ -91,7 +90,7 @@ public class ITPreparedQueryTests extends BaseTestClass {
   @AfterClass(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
   @Test
@@ -240,7 +239,7 @@ public class ITPreparedQueryTests extends BaseTestClass {
 
     String user = "diff", pass = "diff";
 
-    String session1 = sHelper.openNewSession(user, pass, lens.getCurrentDB());
+    String session1 = sHelper.openSession(user, pass, lens.getCurrentDB());
 
     QueryPrepareHandle queryPrepareHandle1 = 
qHelper.submitPreparedQuery(QueryInventory.QUERY);
     Assert.assertNotEquals(queryPrepareHandle1, null, "Query Execute Failed");
@@ -376,7 +375,7 @@ public class ITPreparedQueryTests extends BaseTestClass {
     //TODO : Destroy by user is not working, Commented the fail part, 
Uncomment it when fixed
 
     String user = "diff", pass = "diff";
-    String session1 = sHelper.openNewSession(user, pass, lens.getCurrentDB());
+    String session1 = sHelper.openSession(user, pass, lens.getCurrentDB());
 
     QueryPrepareHandle queryPrepareHandle1 = 
qHelper.submitPreparedQuery(QueryInventory.QUERY);
     Assert.assertNotEquals(queryPrepareHandle1, null, "Query Execute Failed 
marker");
@@ -473,7 +472,7 @@ public class ITPreparedQueryTests extends BaseTestClass {
 
     String queryName1 = "queryfirst", queryName2 = "querysecond";
     String user2 = "user2", pass2 = "pass2";
-    String session1 = sHelper.openNewSession(user2, pass2, 
lens.getCurrentDB());
+    String session1 = sHelper.openSession(user2, pass2, lens.getCurrentDB());
 
     String startTime1=String.valueOf(System.currentTimeMillis());
     logger.info("Start Time of first query- "+startTime1);

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/client/ITQueryApiTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/client/ITQueryApiTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/client/ITQueryApiTests.java
index ea8d7f2..2d0c3f1 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/client/ITQueryApiTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/client/ITQueryApiTests.java
@@ -75,13 +75,13 @@ public class ITQueryApiTests extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @AfterMethod(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
   @DataProvider(name = "persistance_values")
@@ -392,14 +392,13 @@ public class ITQueryApiTests extends BaseTestClass {
      and earlier is still queued or running, then return the same handle.
   */
 
-
   @DataProvider(name = "query_names")
   public Object[][] queryName() {
     String[][] testData = {{"query-name"}, {null}};
     return testData;
   }
 
-  @Test(dataProvider = "query_names")
+  @Test(dataProvider = "query_names", enabled = false)
   public void testRunningSameNameSessionQuery(String queryName) throws 
Exception {
 
     String query = QueryInventory.getSleepQuery("10");
@@ -423,7 +422,7 @@ public class ITQueryApiTests extends BaseTestClass {
     Assert.assertEquals(resultList.get(2).getPersistedURI(), 
resultList.get(0).getPersistedURI());
   }
 
-  @Test()
+  @Test(enabled = false)
   public void testQueuedSameNameSessionQuery() throws Exception {
 
     String query = QueryInventory.getSleepQuery("10");
@@ -460,7 +459,7 @@ public class ITQueryApiTests extends BaseTestClass {
     }
   }
 
-  @Test
+  @Test(enabled = false)
   public void differentQuerySameNameSession() throws Exception {
 
     String cost5 = 
String.format(QueryInventory.getQueryFromInventory("HIVE.SLEEP_COST_5"), "5");
@@ -472,18 +471,18 @@ public class ITQueryApiTests extends BaseTestClass {
     
Assert.assertFalse(handle1.getHandleIdString().equals(handle2.getHandleIdString()));
   }
 
-  @Test
+  @Test(enabled = false)
   public void differentSessionSameNameQuery() throws Exception {
 
     String query = QueryInventory.getSleepQuery("10");
-    String session1 = sHelper.openNewSession("user1", "pwd1", 
lens.getCurrentDB());
-    String session2 = sHelper.openNewSession("user2", "pwd2", 
lens.getCurrentDB());
+    String session1 = sHelper.openSession("user1", "pwd1", 
lens.getCurrentDB());
+    String session2 = sHelper.openSession("user2", "pwd2", 
lens.getCurrentDB());
     QueryHandle handle1 = (QueryHandle) qHelper.executeQuery(query, "name", 
session1).getData();
     QueryHandle handle2 = (QueryHandle) qHelper.executeQuery(query, "name", 
session2).getData();
     
Assert.assertFalse(handle1.getHandleIdString().equals(handle2.getHandleIdString()));
   }
 
-  @Test
+  @Test(enabled = false)
   public void differentNameSameSessionQuery() throws Exception {
     String query = QueryInventory.getSleepQuery("3");
     QueryHandle handle1 = (QueryHandle) qHelper.executeQuery(query, 
"name1").getData();
@@ -491,7 +490,7 @@ public class ITQueryApiTests extends BaseTestClass {
     
Assert.assertFalse(handle1.getHandleIdString().equals(handle2.getHandleIdString()));
   }
 
-  @Test
+  @Test(enabled = false)
   public void differentConfSameNameSessionQuery() throws Exception {
 
     String query = QueryInventory.getSleepQuery("5");

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/client/KillQueryTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/client/KillQueryTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/client/KillQueryTests.java
index cfeae1c..e7f40e7 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/client/KillQueryTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/client/KillQueryTests.java
@@ -62,10 +62,10 @@ public class KillQueryTests extends BaseTestClass {
       InstantiationException {
     servLens = ServiceManagerHelper.init();
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
 
     //TODO : Enable when udf registration per driver is fixed
-/*    HadoopUtil.uploadJars(localJarPath + "/" + hiveUdfJar, hdfsJarPath);
+/*  HadoopUtil.uploadJars(localJarPath + "/" + hiveUdfJar, hdfsJarPath);
     logger.info("Adding jar for making query to run for longer period of 
time");
     sHelper.addResourcesJar(hdfsJarPath + "/" + hiveUdfJar);
     QueryHandle queryHandle = (QueryHandle) 
qHelper.executeQuery(QueryInventory.SLEEP_FUNCTION).getData();*/
@@ -80,7 +80,7 @@ public class KillQueryTests extends BaseTestClass {
   @AfterClass(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
 
@@ -106,7 +106,7 @@ public class KillQueryTests extends BaseTestClass {
     String diffUser = "diff";
     String diffPass = "diff";
 
-    String newSessionHandleSring = sHelper.openNewSession(diffUser, diffPass, 
lens.getCurrentDB());
+    String newSessionHandleSring = sHelper.openSession(diffUser, diffPass, 
lens.getCurrentDB());
 
     logger.info("Adding jar for making query to run for longer period of 
time");
     sHelper.addResourcesJar(hdfsJarPath + "/" + hiveUdfJar, 
newSessionHandleSring);
@@ -153,7 +153,7 @@ public class KillQueryTests extends BaseTestClass {
 
     String diffUser = "diff";
     String diffPass = "diff";
-    String newSessionHandleSring = sHelper.openNewSession(diffUser, diffPass, 
lens.getCurrentDB());
+    String newSessionHandleSring = sHelper.openSession(diffUser, diffPass, 
lens.getCurrentDB());
     sHelper.addResourcesJar(hdfsJarPath + "/" + hiveUdfJar, 
newSessionHandleSring);
 
     QueryHandle queryHandle1 = (QueryHandle) 
qHelper.executeQuery(sleepQuery).getData();

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/client/SessionResourceTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/client/SessionResourceTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/client/SessionResourceTests.java
index d6a0ba9..00fc729 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/client/SessionResourceTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/client/SessionResourceTests.java
@@ -91,13 +91,13 @@ public class SessionResourceTests extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
   @AfterMethod(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
   private boolean checkSessionParamMap(String sessionHandle) throws Exception {
@@ -115,7 +115,7 @@ public class SessionResourceTests extends BaseTestClass {
 
   @Test
   public void testSessionGet() throws Exception {
-    String newSessionHandle = sHelper.openNewSession("diff", "diff");
+    String newSessionHandle = sHelper.openSession("diff", "diff");
     Assert.assertNotNull(newSessionHandle);
   }
 
@@ -233,8 +233,8 @@ public class SessionResourceTests extends BaseTestClass {
   @Test
   public void testSessionGone() throws Exception {
 
-    String newSession = sHelper.openNewSession("test", "test");
-    sHelper.closeNewSession(newSession);
+    String newSession = sHelper.openSession("test", "test");
+    sHelper.closeSession(newSession);
 
     MapBuilder query = new MapBuilder("sessionid", newSession);
 
@@ -275,20 +275,20 @@ public class SessionResourceTests extends BaseTestClass {
 
     String newDb = "opensessionwithdb";
     mHelper.createDatabase(newDb);
-    String newSession = sHelper.openNewSession("test", "test", newDb);
+    String newSession = sHelper.openSession("test", "test", newDb);
     String curDB = mHelper.getCurrentDatabase(newSession);
     Assert.assertEquals(curDB, newDb, "Could not open session with passed db");
-    sHelper.closeNewSession(newSession);
+    sHelper.closeSession(newSession);
     mHelper.dropDatabase(newDb);
   }
 
   @Test
   public void testOpenSessionDefault() throws Exception {
 
-    String newSession = sHelper.openNewSession("test", "test");
+    String newSession = sHelper.openSession("test", "test");
     String curDB = mHelper.getCurrentDatabase(newSession);
     Assert.assertEquals(curDB, "default", "Could not open session with passed 
db");
-    sHelper.closeNewSession(newSession);
+    sHelper.closeSession(newSession);
   }
 
 
@@ -307,7 +307,7 @@ public class SessionResourceTests extends BaseTestClass {
     mHelper.createDatabase(newDb);
     mHelper.createDatabase(newDb1);
 
-    String newSession = sHelper.openNewSession("test", "test", newDb);
+    String newSession = sHelper.openSession("test", "test", newDb);
     String curDB = mHelper.getCurrentDatabase(newSession);
     Assert.assertEquals(curDB, newDb, "Could not open session with passed db");
 
@@ -315,7 +315,7 @@ public class SessionResourceTests extends BaseTestClass {
     curDB = mHelper.getCurrentDatabase(newSession);
     Assert.assertEquals(curDB, newDb1, "Could not open session with passed 
db");
 
-    sHelper.closeNewSession(newSession);
+    sHelper.closeSession(newSession);
     mHelper.dropDatabase(newDb);
     mHelper.dropDatabase(newDb1);
   }
@@ -324,17 +324,21 @@ public class SessionResourceTests extends BaseTestClass {
   @Test(enabled = false)
   public void testGetSessionJson() throws Exception {
 
-    String newSessionHandle = sHelper.openNewSession("diff", "diff", null, 
MediaType.APPLICATION_JSON);
+    String newSessionHandle = sHelper.openSession("diff", "diff", null, 
MediaType.APPLICATION_JSON);
     Assert.assertNotNull(newSessionHandle);
     Assert.assertFalse(newSessionHandle.isEmpty());
-    sHelper.closeNewSession(newSessionHandle, MediaType.APPLICATION_JSON);
+    sHelper.closeSession(newSessionHandle, MediaType.APPLICATION_JSON);
   }
 
   @Test(enabled = true)
-  public void testCloseSessionJson() throws Exception {
-    String s2 = sHelper.openNewSession("diff", "diff", null, 
MediaType.APPLICATION_XML);
-    Assert.assertNotNull(s2);
-    Assert.assertFalse(s2.isEmpty());
-    sHelper.closeNewSession(s2, MediaType.APPLICATION_JSON);
+  public void assertSucceededResponse() throws Exception {
+    String session = sHelper.openSession("diff", "diff", null, 
MediaType.APPLICATION_XML);
+    Assert.assertNotNull(session);
+    Assert.assertFalse(session.isEmpty());
+
+    MapBuilder query = new MapBuilder("sessionid", session);
+    Response response = lens.exec("delete", SessionURL.SESSION_BASE_URL, 
servLens, null, query, null,
+        MediaType.APPLICATION_JSON, null);
+    AssertUtil.assertSucceededResponse(response);
   }
 }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/config/ITServerConfigTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/config/ITServerConfigTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/config/ITServerConfigTests.java
index 48ea8ec..8294075 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/config/ITServerConfigTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/config/ITServerConfigTests.java
@@ -89,12 +89,14 @@ public class ITServerConfigTests extends BaseTestClass {
   public void setUp(Method method) throws Exception {
     logger.info("Test Name: " + method.getName());
     Util.runRemoteCommand("cp " + confFilePath + " " + backupConfFilePath);
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
   }
 
 
   @AfterMethod(alwaysRun = true)
   public void restoreConfig() throws JSchException, IOException, 
LensException, InterruptedException {
     logger.info("Executing after method\n");
+    sHelper.closeSession();
     Util.runRemoteCommand("cp " + backupConfFilePath + " " + confFilePath);
     lens.restart();
   }
@@ -112,7 +114,7 @@ public class ITServerConfigTests extends BaseTestClass {
       Util.changeConfig(map, confFilePath);
       lens.restart();
 
-      sessionHandle = sHelper.openNewSession("user", "pass");
+      sessionHandle = sHelper.openSession("user", "pass");
       sHelper.setAndValidateParam(sessionHandle, 
LensConfConstants.SESSION_CLUSTER_USER, "test");
 
       // Waiting for session timeout
@@ -124,7 +126,7 @@ public class ITServerConfigTests extends BaseTestClass {
 
     } finally {
       if (sessionHandle!=null) {
-        sHelper.closeNewSession(sessionHandle);
+        sHelper.closeSession(sessionHandle);
       }
     }
   }
@@ -148,7 +150,7 @@ public class ITServerConfigTests extends BaseTestClass {
     Util.changeConfig(map, confFilePath);
     lens.restart();
 
-    String session = sHelper.openNewSession("user", "pass");
+    String session = sHelper.openSession("user", "pass");
     lens.restart();
 
     MapBuilder query = new MapBuilder("sessionid", session);
@@ -156,7 +158,7 @@ public class ITServerConfigTests extends BaseTestClass {
 
     if (restartEnabled.equalsIgnoreCase("true")) {
       Assert.assertEquals(response.getStatus(), 
Response.Status.OK.getStatusCode());
-      sHelper.closeNewSession(session);
+      sHelper.closeSession(session);
     } else {
       Assert.assertEquals(response.getStatus(), 
Response.Status.GONE.getStatusCode());
     }
@@ -176,7 +178,7 @@ public class ITServerConfigTests extends BaseTestClass {
       Util.changeConfig(map, confFilePath);
       lens.restart();
 
-      sessionHandle = sHelper.openNewSession("user", "pass");
+      sessionHandle = sHelper.openSession("user", "pass");
       sHelper.setAndValidateParam(sessionHandle, 
LensConfConstants.SESSION_CLUSTER_USER, "test");
       //Waiting for snapshot interval time
       Thread.sleep(11000);
@@ -188,7 +190,7 @@ public class ITServerConfigTests extends BaseTestClass {
 
     } finally {
       if (sessionHandle != null) {
-        sHelper.closeNewSession(sessionHandle);
+        sHelper.closeSession(sessionHandle);
       }
     }
 
@@ -207,7 +209,7 @@ public class ITServerConfigTests extends BaseTestClass {
     Util.changeConfig(map, confFilePath);
     lens.restart();
 
-    String sessionHandle = sHelper.openNewSession("user", "pass");
+    String sessionHandle = sHelper.openSession("user", "pass");
     sHelper.setAndValidateParam(sessionHandle, 
LensConfConstants.SESSION_CLUSTER_USER, "test");
 
     //killing so that lens is not stopped gracefully.
@@ -239,7 +241,7 @@ public class ITServerConfigTests extends BaseTestClass {
       Util.changeConfig(map, confFilePath);
       lens.restart();
 
-      sessionHandle = sHelper.openNewSession("user", "pass");
+      sessionHandle = sHelper.openSession("user", "pass");
       sHelper.setAndValidateParam(sessionHandle, 
LensConfConstants.SESSION_CLUSTER_USER, "test");
 
       lens.restart();
@@ -249,7 +251,7 @@ public class ITServerConfigTests extends BaseTestClass {
 
     } finally {
       if (sessionHandle != null) {
-        sHelper.closeNewSession(sessionHandle);
+        sHelper.closeSession(sessionHandle);
       }
     }
   }
@@ -270,29 +272,24 @@ public class ITServerConfigTests extends BaseTestClass {
   @Test(enabled = false)
   public void testServerModeReadOnly() throws Exception {
 
-    try {
-      sessionHandleString = lens.openSession();
-      HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.SERVER_MODE, "READ_ONLY");
-      Util.changeConfig(map, confFilePath);
-      lens.restart();
+    HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.SERVER_MODE, "READ_ONLY");
+    Util.changeConfig(map, confFilePath);
+    lens.restart();
 
-      sHelper.setAndValidateParam(sessionHandleString, 
LensConfConstants.SESSION_CLUSTER_USER, "test");
+    sHelper.setAndValidateParam(sessionHandleString, 
LensConfConstants.SESSION_CLUSTER_USER, "test");
 
-      FormBuilder formData = new FormBuilder();
-      formData.add("sessionid", sessionHandleString);
-      formData.add("query", QueryInventory.QUERY);
-      formData.add("operation", "EXECUTE");
-      formData.add("conf", "<?xml version=\"1.0\" encoding=\"UTF-8\" 
standalone=\"yes\"?><conf />");
-      Response response = lens.sendForm("post", QueryURL.QUERY_URL, formData);
-      Assert.assertEquals(response.getStatus(), 
Response.Status.METHOD_NOT_ALLOWED.getStatusCode());
-
-      MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
-      response = lens.sendQuery("get", QueryURL.QUERYAPI_BASE_URL, query);
-      Assert.assertEquals(response.getStatus(), 
Response.Status.OK.getStatusCode());
+    FormBuilder formData = new FormBuilder();
+    formData.add("sessionid", sessionHandleString);
+    formData.add("query", QueryInventory.QUERY);
+    formData.add("operation", "EXECUTE");
+    formData.add("conf", "<?xml version=\"1.0\" encoding=\"UTF-8\" 
standalone=\"yes\"?><conf />");
+    Response response = lens.sendForm("post", QueryURL.QUERY_URL, formData);
+    Assert.assertEquals(response.getStatus(), 
Response.Status.METHOD_NOT_ALLOWED.getStatusCode());
+
+    MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
+    response = lens.sendQuery("get", QueryURL.QUERYAPI_BASE_URL, query);
+    Assert.assertEquals(response.getStatus(), 
Response.Status.OK.getStatusCode());
 
-    } finally {
-      lens.closeSession();
-    }
   }
 
   /*
@@ -303,49 +300,41 @@ public class ITServerConfigTests extends BaseTestClass {
   @Test(enabled = true)
   public void testServerMode() throws Exception {
 
-    try {
-      sessionHandleString = lens.openSession(lens.getCurrentDB());
-      String newDb = "TestMetastoreService_testDb1";
-
-      HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.SERVER_MODE, "METASTORE_READONLY");
-      Util.changeConfig(map, confFilePath);
-      lens.restart();
+    String newDb = "TestMetastoreService_testDb1";
 
-      MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
-      Response response = mHelper.exec("post", 
MetastoreURL.METASTORE_DATABASES_URL, servLens,
-          null, query, MediaType.APPLICATION_XML_TYPE, null, newDb);
-      Assert.assertEquals(response.getStatus(), 
Response.Status.METHOD_NOT_ALLOWED.getStatusCode());
+    HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.SERVER_MODE, "METASTORE_READONLY");
+    Util.changeConfig(map, confFilePath);
+    lens.restart();
 
-      map.put(LensConfConstants.SERVER_MODE, "METASTORE_NODROP");
-      Util.changeConfig(map, confFilePath);
-      lens.restart();
+    MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
+    Response response = mHelper.exec("post", 
MetastoreURL.METASTORE_DATABASES_URL, servLens,
+        null, query, MediaType.APPLICATION_XML_TYPE, null, newDb);
+    Assert.assertEquals(response.getStatus(), 
Response.Status.METHOD_NOT_ALLOWED.getStatusCode());
 
-      response = mHelper.exec("post", MetastoreURL.METASTORE_DATABASES_URL, 
servLens,
-          null, query, MediaType.APPLICATION_XML_TYPE, null, newDb);
-      AssertUtil.assertSucceededResponse(response);
-      StringList allDb = mHelper.listDatabases();
-      Assert.assertTrue(allDb.getElements().contains(newDb.toLowerCase()), 
"Unable to Create DB");
+    map.put(LensConfConstants.SERVER_MODE, "METASTORE_NODROP");
+    Util.changeConfig(map, confFilePath);
+    lens.restart();
 
-      query.put("cascade", "true");
-      response = mHelper.exec("delete", MetastoreURL.METASTORE_DATABASES_URL + 
"/" + newDb, servLens,
-          null, query, MediaType.APPLICATION_XML_TYPE, null);
-      Assert.assertEquals(response.getStatus(), 
Response.Status.METHOD_NOT_ALLOWED.getStatusCode());
+    response = mHelper.exec("post", MetastoreURL.METASTORE_DATABASES_URL, 
servLens,
+        null, query, MediaType.APPLICATION_XML_TYPE, null, newDb);
+    AssertUtil.assertSucceededResponse(response);
+    StringList allDb = mHelper.listDatabases();
+    Assert.assertTrue(allDb.getElements().contains(newDb.toLowerCase()), 
"Unable to Create DB");
 
-      map.put(LensConfConstants.SERVER_MODE, "OPEN");
-      Util.changeConfig(map, confFilePath);
-      lens.restart();
+    query.put("cascade", "true");
+    response = mHelper.exec("delete", MetastoreURL.METASTORE_DATABASES_URL + 
"/" + newDb, servLens,
+        null, query, MediaType.APPLICATION_XML_TYPE, null);
+    Assert.assertEquals(response.getStatus(), 
Response.Status.METHOD_NOT_ALLOWED.getStatusCode());
 
-      response = mHelper.exec("delete", MetastoreURL.METASTORE_DATABASES_URL + 
"/" + newDb, servLens,
-          null, query, MediaType.APPLICATION_XML_TYPE, null);
-      AssertUtil.assertSucceededResponse(response);
-      allDb = mHelper.listDatabases();
-      Assert.assertFalse(allDb.getElements().contains(newDb.toLowerCase()), 
"Unable to Create DB");
+    map.put(LensConfConstants.SERVER_MODE, "OPEN");
+    Util.changeConfig(map, confFilePath);
+    lens.restart();
 
-    } finally {
-      if (sessionHandleString != null) {
-        lens.closeSession();
-      }
-    }
+    response = mHelper.exec("delete", MetastoreURL.METASTORE_DATABASES_URL + 
"/" + newDb, servLens,
+        null, query, MediaType.APPLICATION_XML_TYPE, null);
+    AssertUtil.assertSucceededResponse(response);
+    allDb = mHelper.listDatabases();
+    Assert.assertFalse(allDb.getElements().contains(newDb.toLowerCase()), 
"Unable to Create DB");
   }
 
 
@@ -359,7 +348,6 @@ public class ITServerConfigTests extends BaseTestClass {
   public void testLensStatistics() throws Exception {
 
     try {
-      sessionHandleString = sHelper.openSession(lens.getCurrentDB());
       HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.STATS_ROLLUP_SCAN_RATE, "60000",
           LensConfConstants.STATISTICS_DATABASE_KEY, "stats",
           LensConfConstants.STATISTICS_WAREHOUSE_KEY, lens.getServerHdfsUrl() 
+ "/tmp/lens/statistics/warehouse");
@@ -410,40 +398,33 @@ public class ITServerConfigTests extends BaseTestClass {
   //This is failing
   @Test(enabled = true)
   public void testQueryResultRetention() throws Exception {
-    try {
-      sessionHandleString = lens.openSession(lens.getCurrentDB());
-      
sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_SET, 
"true");
-      
sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_INDRIVER, 
"false");
 
-      HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.RESULTSET_PURGE_ENABLED, "true",
-          LensConfConstants.RESULTSET_PURGE_INTERVAL_IN_SECONDS, "10",
-          LensConfConstants.QUERY_RESULTSET_RETENTION, "20 sec",
-          LensConfConstants.HDFS_OUTPUT_RETENTION, "60 min");
+    sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_SET, 
"true");
+    
sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_INDRIVER, 
"false");
 
-      Util.changeConfig(map, confFilePath);
-      lens.restart();
+    HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.RESULTSET_PURGE_ENABLED, "true",
+        LensConfConstants.RESULTSET_PURGE_INTERVAL_IN_SECONDS, "10",
+        LensConfConstants.QUERY_RESULTSET_RETENTION, "20 sec",
+        LensConfConstants.HDFS_OUTPUT_RETENTION, "60 min");
 
-      MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
+    Util.changeConfig(map, confFilePath);
+    lens.restart();
 
-      QueryHandle queryHandle = (QueryHandle) 
qHelper.executeQuery(QueryInventory.JDBC_CUBE_QUERY).getData();
-      LensQuery lensQuery = qHelper.waitForCompletion(queryHandle);
-      Assert.assertEquals(lensQuery.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
+    MapBuilder query = new MapBuilder("sessionid", sessionHandleString);
 
-      Response response = qHelper.exec("get", QueryURL.QUERY_URL + "/" + 
queryHandle.toString() + "/resultset",
-          servLens, null, query);
-      AssertUtil.assertSucceededResponse(response);
+    QueryHandle queryHandle = (QueryHandle) 
qHelper.executeQuery(QueryInventory.JDBC_CUBE_QUERY).getData();
+    LensQuery lensQuery = qHelper.waitForCompletion(queryHandle);
+    Assert.assertEquals(lensQuery.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
 
-      Thread.sleep(40000);
+    Response response = qHelper.exec("get", QueryURL.QUERY_URL + "/" + 
queryHandle.toString() + "/resultset",
+        servLens, null, query);
+    AssertUtil.assertSucceededResponse(response);
 
-      response = qHelper.exec("get", QueryURL.QUERY_URL + "/" + 
queryHandle.toString() + "/resultset",
-          servLens, null, query);
-      Assert.assertEquals(response.getStatus(), 
Response.Status.NOT_FOUND.getStatusCode());
+    Thread.sleep(40000);
 
-    } finally {
-      if (sessionHandleString != null) {
-        lens.closeSession();
-      }
-    }
+    response = qHelper.exec("get", QueryURL.QUERY_URL + "/" + 
queryHandle.toString() + "/resultset",
+        servLens, null, query);
+    Assert.assertEquals(response.getStatus(), 
Response.Status.NOT_FOUND.getStatusCode());
   }
 
 
@@ -454,7 +435,6 @@ public class ITServerConfigTests extends BaseTestClass {
   @Test(enabled = true, dataProvider = "query_provider")
   public void testInMemoryPurger(String query) throws Exception {
 
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
     sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_SET, 
"false");
     
sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_INDRIVER, 
"false");
     sHelper.setAndValidateParam(LensConfConstants.QUERY_MAIL_NOTIFY, "false");
@@ -479,7 +459,7 @@ public class ITServerConfigTests extends BaseTestClass {
 
     } finally {
       if (sessionHandleString != null) {
-        sHelper.closeNewSession(sessionHandleString);
+        sHelper.closeSession(sessionHandleString);
       }
     }
   }
@@ -488,32 +468,25 @@ public class ITServerConfigTests extends BaseTestClass {
   @Test(enabled = true)
   public void readInmemoryTwiceBeforePurgerTime() throws Exception {
 
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
     sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_SET, 
"false");
     
sHelper.setAndValidateParam(LensConfConstants.QUERY_PERSISTENT_RESULT_INDRIVER, 
"false");
     sHelper.setAndValidateParam(LensConfConstants.QUERY_MAIL_NOTIFY, "false");
 
-    try {
-
-      HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.INMEMORY_RESULT_SET_TTL_SECS, "500",
-          LensConfConstants.PURGE_INTERVAL, "10000");
-      Util.changeConfig(map, confFilePath);
-      lens.restart();
-
-      QueryHandle queryHandle = (QueryHandle) 
qHelper.executeQuery(QueryInventory.JDBC_CUBE_QUERY).getData();
-      LensQuery lensQuery = qHelper.waitForCompletion(queryHandle);
-      Assert.assertEquals(lensQuery.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL, "Query did not succeed");
+    HashMap<String, String> map = 
LensUtil.getHashMap(LensConfConstants.INMEMORY_RESULT_SET_TTL_SECS, "500",
+        LensConfConstants.PURGE_INTERVAL, "10000");
+    Util.changeConfig(map, confFilePath);
+    lens.restart();
 
-      Response response = qHelper.getResultSetResponse(queryHandle, "0", 
"100", sessionHandleString);
-      Assert.assertEquals(response.getStatus(), 
Response.Status.OK.getStatusCode());
+    QueryHandle queryHandle = (QueryHandle) 
qHelper.executeQuery(QueryInventory.JDBC_CUBE_QUERY).getData();
+    LensQuery lensQuery = qHelper.waitForCompletion(queryHandle);
+    Assert.assertEquals(lensQuery.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL, "Query did not succeed");
 
-      response = qHelper.getResultSetResponse(queryHandle, "0", "100", 
sessionHandleString);
-      //Currently its throwing 500 which needs to be fixed. LENS-823
-      Assert.assertEquals(response.getStatus(), 
Response.Status.NOT_FOUND.getStatusCode());
+    Response response = qHelper.getResultSetResponse(queryHandle, "0", "100", 
sessionHandleString);
+    Assert.assertEquals(response.getStatus(), 
Response.Status.OK.getStatusCode());
 
-    } finally {
-      lens.closeSession();
-    }
+    response = qHelper.getResultSetResponse(queryHandle, "0", "100", 
sessionHandleString);
+    //Currently its throwing 500 which needs to be fixed. LENS-823
+    Assert.assertEquals(response.getStatus(), 
Response.Status.NOT_FOUND.getStatusCode());
   }
 
 
@@ -531,7 +504,7 @@ public class ITServerConfigTests extends BaseTestClass {
       lens.restart();
 
       for (int i = 1; i <= maxSession; i++) {
-        sessionList.add(sHelper.openNewSession(user, pwd, 
lens.getCurrentDB()));
+        sessionList.add(sHelper.openSession(user, pwd, lens.getCurrentDB()));
       }
 
       Response response = sHelper.openSessionReturnResponse(user, pwd, 
lens.getCurrentDB(), null);
@@ -540,7 +513,7 @@ public class ITServerConfigTests extends BaseTestClass {
     } finally {
       for (String session : sessionList) {
         if (session != null) {
-          sHelper.closeNewSession(session);
+          sHelper.closeSession(session);
         }
       }
     }
@@ -564,8 +537,8 @@ public class ITServerConfigTests extends BaseTestClass {
       lens.restart();
 
       for (int i = 0; i < maxSession; i++) {
-        sessionList1.add(sHelper.openNewSession(user1, pwd1, 
lens.getCurrentDB()));
-        sessionList2.add(sHelper.openNewSession(user2, pwd2, 
lens.getCurrentDB()));
+        sessionList1.add(sHelper.openSession(user1, pwd1, 
lens.getCurrentDB()));
+        sessionList2.add(sHelper.openSession(user2, pwd2, 
lens.getCurrentDB()));
       }
 
       for (int i = 0; i < maxSession; i++) {
@@ -576,17 +549,17 @@ public class ITServerConfigTests extends BaseTestClass {
         Assert.assertEquals(response1.getStatus(), 
LensHttpStatus.TOO_MANY_REQUESTS.getStatusCode());
         Assert.assertEquals(response2.getStatus(), 
LensHttpStatus.TOO_MANY_REQUESTS.getStatusCode());
 
-        sHelper.closeNewSession(sessionList1.remove(1));
-        sHelper.closeNewSession(sessionList2.remove(1));
+        sHelper.closeSession(sessionList1.remove(1));
+        sHelper.closeSession(sessionList2.remove(1));
 
-        sessionList1.add(sHelper.openNewSession(user1, pwd1, 
lens.getCurrentDB()));
-        sessionList2.add(sHelper.openNewSession(user2, pwd2, 
lens.getCurrentDB()));
+        sessionList1.add(sHelper.openSession(user1, pwd1, 
lens.getCurrentDB()));
+        sessionList2.add(sHelper.openSession(user2, pwd2, 
lens.getCurrentDB()));
       }
 
     }finally {
       for (int i = 0; i < sessionList1.size(); i++) {
-        sHelper.closeNewSession(sessionList1.get(i));
-        sHelper.closeNewSession(sessionList2.get(i));
+        sHelper.closeSession(sessionList1.get(i));
+        sHelper.closeSession(sessionList2.get(i));
       }
     }
   }

http://git-wip-us.apache.org/repos/asf/lens/blob/66b7f47f/lens-regression/src/test/java/org/apache/lens/regression/throttling/ITCostTests.java
----------------------------------------------------------------------
diff --git 
a/lens-regression/src/test/java/org/apache/lens/regression/throttling/ITCostTests.java
 
b/lens-regression/src/test/java/org/apache/lens/regression/throttling/ITCostTests.java
index b4846e3..8fea48b 100644
--- 
a/lens-regression/src/test/java/org/apache/lens/regression/throttling/ITCostTests.java
+++ 
b/lens-regression/src/test/java/org/apache/lens/regression/throttling/ITCostTests.java
@@ -78,7 +78,7 @@ public class ITCostTests extends BaseTestClass {
   public void initialize() throws Exception {
     servLens = ServiceManagerHelper.init();
     logger.info("Creating a new Session");
-    sessionHandleString = lens.openSession(lens.getCurrentDB());
+    sessionHandleString = sHelper.openSession(lens.getCurrentDB());
     sHelper.setAndValidateParam(CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, 
"false");
   }
 
@@ -98,7 +98,7 @@ public class ITCostTests extends BaseTestClass {
   @AfterClass(alwaysRun = true)
   public void closeSession() throws Exception {
     logger.info("Closing Session");
-    lens.closeSession();
+    sHelper.closeSession();
   }
 
   @BeforeGroups("user-cost-ceiling")
@@ -221,41 +221,32 @@ public class ITCostTests extends BaseTestClass {
     HashMap<String, String> map = 
LensUtil.getHashMap(DriverConfig.MAX_CONCURRENT_QUERIES, "5",
         DriverConfig.PRIORITY_MAX_CONCURRENT, "HIGH=3");
 
-    try {
-      Util.changeConfig(map, hiveDriverSitePath);
-      lens.restart();
-
-      List<QueryHandle> handleList = new ArrayList<QueryHandle>();
-      for(int i=1; i<=5; i++){
-        handleList.add((QueryHandle) qHelper.executeQuery(query).getData());
-      }
-
-      QueryStatus s0 = qHelper.getQueryStatus(handleList.get(0));
-      QueryStatus s1 = qHelper.getQueryStatus(handleList.get(1));
-      QueryStatus s2 = qHelper.getQueryStatus(handleList.get(2));
-      QueryStatus s3 = qHelper.getQueryStatus(handleList.get(3));
-      QueryStatus s4 = qHelper.getQueryStatus(handleList.get(4));
+    List<QueryHandle> handleList = new ArrayList<QueryHandle>();
+    for(int i=1; i<=5; i++){
+      handleList.add((QueryHandle) qHelper.executeQuery(query).getData());
+    }
 
-      Assert.assertEquals(s0.getStatus(), QueryStatus.Status.RUNNING);
-      Assert.assertEquals(s1.getStatus(), QueryStatus.Status.RUNNING);
-      Assert.assertEquals(s2.getStatus(), QueryStatus.Status.RUNNING);
-      Assert.assertEquals(s3.getStatus(), QueryStatus.Status.QUEUED);
-      Assert.assertEquals(s4.getStatus(), QueryStatus.Status.QUEUED);
+    QueryStatus s0 = qHelper.getQueryStatus(handleList.get(0));
+    QueryStatus s1 = qHelper.getQueryStatus(handleList.get(1));
+    QueryStatus s2 = qHelper.getQueryStatus(handleList.get(2));
+    QueryStatus s3 = qHelper.getQueryStatus(handleList.get(3));
+    QueryStatus s4 = qHelper.getQueryStatus(handleList.get(4));
 
-      qHelper.waitForCompletion(handleList.get(0));
-      
Assert.assertEquals(qHelper.getQueryStatus(handleList.get(3)).getStatus(), 
QueryStatus.Status.RUNNING);
+    Assert.assertEquals(s0.getStatus(), QueryStatus.Status.RUNNING);
+    Assert.assertEquals(s1.getStatus(), QueryStatus.Status.RUNNING);
+    Assert.assertEquals(s2.getStatus(), QueryStatus.Status.RUNNING);
+    Assert.assertEquals(s3.getStatus(), QueryStatus.Status.QUEUED);
+    Assert.assertEquals(s4.getStatus(), QueryStatus.Status.QUEUED);
 
-      qHelper.waitForCompletion(handleList.get(1));
-      
Assert.assertEquals(qHelper.getQueryStatus(handleList.get(4)).getStatus(), 
QueryStatus.Status.RUNNING);
+    qHelper.waitForCompletion(handleList.get(0));
+    Assert.assertEquals(qHelper.getQueryStatus(handleList.get(3)).getStatus(), 
QueryStatus.Status.RUNNING);
 
-      for(QueryHandle q :handleList){
-        LensQuery lq = qHelper.waitForCompletion(q);
-        Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
-      }
+    qHelper.waitForCompletion(handleList.get(1));
+    Assert.assertEquals(qHelper.getQueryStatus(handleList.get(4)).getStatus(), 
QueryStatus.Status.RUNNING);
 
-    } finally {
-      Util.changeConfig(hiveDriverSitePath);
-      lens.restart();
+    for(QueryHandle q :handleList){
+      LensQuery lq = qHelper.waitForCompletion(q);
+      Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
     }
   }
 
@@ -269,48 +260,39 @@ public class ITCostTests extends BaseTestClass {
     HashMap<String, String> map = 
LensUtil.getHashMap(DriverConfig.MAX_CONCURRENT_QUERIES, "5",
         DriverConfig.PRIORITY_MAX_CONCURRENT, "HIGH=3");
 
-    try {
-      Util.changeConfig(map, hiveDriverSitePath);
-      lens.restart();
-
-      String session1 = sHelper.openNewSession("diff1", "diff1", 
lens.getCurrentDB());
-      String session2 = sHelper.openNewSession("diff2", "diff2", 
lens.getCurrentDB());
-      sHelper.setAndValidateParam(session1, 
CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, "false");
-      sHelper.setAndValidateParam(session2, 
CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, "false");
+    String session1 = sHelper.openSession("diff1", "diff1", 
lens.getCurrentDB());
+    String session2 = sHelper.openSession("diff2", "diff2", 
lens.getCurrentDB());
+    sHelper.setAndValidateParam(session1, 
CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, "false");
+    sHelper.setAndValidateParam(session2, 
CubeQueryConfUtil.FAIL_QUERY_ON_PARTIAL_DATA, "false");
 
-      List<QueryHandle> handleList = new ArrayList<QueryHandle>();
-      for (int i = 1; i <= 3; i++) {
-        handleList.add((QueryHandle) qHelper.executeQuery(query).getData());
-        handleList.add((QueryHandle) qHelper.executeQuery(query, "", 
session1).getData());
-        handleList.add((QueryHandle) qHelper.executeQuery(query, "", 
session2).getData());
-      }
-      Thread.sleep(50);
-
-      List<QueryHandle> running = null, queued = null;
-      for (int t = 0; t < timeToWait; t = t + sleepTime) {
+    List<QueryHandle> handleList = new ArrayList<QueryHandle>();
+    for (int i = 1; i <= 3; i++) {
+      handleList.add((QueryHandle) qHelper.executeQuery(query).getData());
+      handleList.add((QueryHandle) qHelper.executeQuery(query, "", 
session1).getData());
+      handleList.add((QueryHandle) qHelper.executeQuery(query, "", 
session2).getData());
+    }
+    Thread.sleep(50);
 
-        running = qHelper.getQueryHandleList(null, "RUNNING", "all", 
sessionHandleString, null, null, hiveDriver);
-        queued = qHelper.getQueryHandleList(null, "QUEUED", "all", 
sessionHandleString, null, null, hiveDriver);
-        logger.info("Running query count : " + running.size() + "\t Queued 
query count : " + queued.size());
+    List<QueryHandle> running = null, queued = null;
+    for (int t = 0; t < timeToWait; t = t + sleepTime) {
 
-        if (running.isEmpty() && queued.isEmpty()) {
-          break;
-        }
+      running = qHelper.getQueryHandleList(null, "RUNNING", "all", 
sessionHandleString, null, null, hiveDriver);
+      queued = qHelper.getQueryHandleList(null, "QUEUED", "all", 
sessionHandleString, null, null, hiveDriver);
+      logger.info("Running query count : " + running.size() + "\t Queued query 
count : " + queued.size());
 
-        Assert.assertTrue(running.size() < 4);
-        TimeUnit.SECONDS.sleep(sleepTime);
+      if (running.isEmpty() && queued.isEmpty()) {
+        break;
       }
 
-      Assert.assertTrue(running.isEmpty() && queued.isEmpty(), "Queries are 
taking very long time");
+      Assert.assertTrue(running.size() < 4);
+      TimeUnit.SECONDS.sleep(sleepTime);
+    }
 
-      for (QueryHandle q : handleList) {
-        LensQuery lq = qHelper.waitForCompletion(q);
-        Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
-      }
+    Assert.assertTrue(running.isEmpty() && queued.isEmpty(), "Queries are 
taking very long time");
 
-    } finally {
-      Util.changeConfig(hiveDriverSitePath);
-      lens.restart();
+    for (QueryHandle q : handleList) {
+      LensQuery lq = qHelper.waitForCompletion(q);
+      Assert.assertEquals(lq.getStatus().getStatus(), 
QueryStatus.Status.SUCCESSFUL);
     }
   }
 

Reply via email to