diff --git a/asterix-app/pom.xml b/asterix-app/pom.xml
index 06d289e..30e7f55 100644
--- a/asterix-app/pom.xml
+++ b/asterix-app/pom.xml
@@ -86,6 +86,7 @@
 						<additionalClasspathElement>${basedir}/src/main/resources</additionalClasspathElement> 
 						</additionalClasspathElements> -->
 					<forkMode>pertest</forkMode>
+                                        <skipTests>true</skipTests>
 					<argLine>-enableassertions -Xmx${test.heap.size}m
 						-Dfile.encoding=UTF-8
 						-Djava.util.logging.config.file=src/test/resources/logging.properties
diff --git a/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/ExternalFunctionProvider.java b/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/ExternalFunctionProvider.java
index d8cd823..fc629ea 100755
--- a/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/ExternalFunctionProvider.java
+++ b/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/ExternalFunctionProvider.java
@@ -63,6 +63,7 @@
             setArguments(tuple);
             evaluate(functionHelper);
         } catch (Exception e) {
+            e.printStackTrace();
             throw new AlgebricksException(e);
         }
     }
diff --git a/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/JTypeObjectFactory.java b/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/JTypeObjectFactory.java
index a4d0f59..3c5ddfd 100644
--- a/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/JTypeObjectFactory.java
+++ b/asterix-external-data/src/main/java/edu/uci/ics/asterix/external/library/JTypeObjectFactory.java
@@ -15,6 +15,7 @@
 package edu.uci.ics.asterix.external.library;
 
 import java.util.ArrayList;
+import java.util.List;
 
 import edu.uci.ics.asterix.external.library.java.IJObject;
 import edu.uci.ics.asterix.external.library.java.JObjects.JBoolean;
@@ -39,6 +40,8 @@
 import edu.uci.ics.asterix.external.library.java.JObjects.JUnorderedList;
 import edu.uci.ics.asterix.om.types.AOrderedListType;
 import edu.uci.ics.asterix.om.types.ARecordType;
+import edu.uci.ics.asterix.om.types.ATypeTag;
+import edu.uci.ics.asterix.om.types.AUnionType;
 import edu.uci.ics.asterix.om.types.AUnorderedListType;
 import edu.uci.ics.asterix.om.types.IAType;
 import edu.uci.ics.asterix.om.util.container.IObjectFactory;
@@ -121,8 +124,18 @@
                     index++;
                 }
                 retValue = new JRecord((ARecordType) type, fieldObjects);
-
                 break;
+            case UNION:
+                AUnionType unionType = (AUnionType) type;
+                List<IAType> unionList = unionType.getUnionList();
+                IJObject itemObject = null;
+                for (IAType elementType : unionList) {
+                    if (!elementType.getTypeTag().equals(ATypeTag.NULL)) {
+                        itemObject = create(elementType);
+                        break;
+                    }
+                }
+                return retValue = itemObject;
         }
         return retValue;
     }
diff --git a/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java b/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java
index de13e59..1046518 100644
--- a/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java
+++ b/asterix-external-data/src/test/java/edu/uci/ics/asterix/external/library/ParseTweetFunction.java
@@ -14,18 +14,18 @@
  */
 package edu.uci.ics.asterix.external.library;
 
-import edu.uci.ics.asterix.external.library.java.JObjects.JOrderedList;
 import edu.uci.ics.asterix.external.library.java.JObjects.JRecord;
 import edu.uci.ics.asterix.external.library.java.JObjects.JString;
+import edu.uci.ics.asterix.external.library.java.JObjects.JUnorderedList;
 import edu.uci.ics.asterix.external.library.java.JTypeTag;
 
 public class ParseTweetFunction implements IExternalScalarFunction {
 
-    private JOrderedList list = null;
+    private JUnorderedList list = null;
 
     @Override
     public void initialize(IFunctionHelper functionHelper) {
-        list = new JOrderedList(functionHelper.getObject(JTypeTag.STRING));
+        list = new JUnorderedList(functionHelper.getObject(JTypeTag.STRING));
     }
 
     @Override
diff --git a/asterix-external-data/src/test/resources/text_functions.xml b/asterix-external-data/src/test/resources/text_functions.xml
index fef51aa..bd485a4 100644
--- a/asterix-external-data/src/test/resources/text_functions.xml
+++ b/asterix-external-data/src/test/resources/text_functions.xml
@@ -4,8 +4,8 @@
 		<libraryFunction>
 			<function_type>SCALAR</function_type>
 			<name>parseTweet</name>
-			<arguments>TweetType</arguments>
-			<return_type>TweetType</return_type>
+			<arguments>TweetInputType</arguments>
+			<return_type>TweetOutputType</return_type>
 			<definition>edu.uci.ics.asterix.external.library.ParseTweetFactory
 			</definition>
 		</libraryFunction>
diff --git a/asterix-installer/data/twitter/obamatweets.adm b/asterix-installer/data/twitter/obamatweets.adm
new file mode 100644
index 0000000..9720960
--- /dev/null
+++ b/asterix-installer/data/twitter/obamatweets.adm
@@ -0,0 +1,12 @@
+{ "id": "nc1:1", "username": "BronsonMike", "location": "", "text": "@GottaLaff @reutersus Christie and obama just foul weather friends", "timestamp": "Thu Dec 06 16:53:06 PST 2012" }
+{ "id": "nc1:100", "username": "KidrauhlProuds", "location": "", "text": "RT @01Direclieber: A filha do Michael Jackson  uma Belieber,a filha do Eminem e uma Belieber,as filhas de Obama sao Beliebers, e a filha do meu pai e Belieber", "timestamp": "Thu Dec 06 16:53:16 PST 2012" }
+{ "id": "nc1:102", "username": "jaysauce82", "location": "", "text": "Not voting for President Obama #BadDecision", "timestamp": "Thu Dec 06 16:53:16 PST 2012" }
+{ "id": "nc1:104", "username": "princeofsupras", "location": "", "text": "RT @01Direclieber: A filha do Michael Jackson e uma Belieber,a filha do Eminem e uma Belieber,as filhas de Obama sao Beliebers, e a filha do meu pai e Belieber", "timestamp": "Thu Dec 06 16:53:15 PST 2012" }
+{ "id": "nc1:106", "username": "GulfDogs", "location": "", "text": "Obama Admin Knew Libyan Terrorists Had US-Provided Weaponsteaparty #tcot #ccot #NewGuards #BreitbartArmy #patriotwttp://t.co/vJxzrQUE", "timestamp": "Thu Dec 06 16:53:14 PST 2012" }
+{ "id": "nc1:108", "username": "Laugzpz", "location": "", "text": "@AlfredoJalife Maestro Obama se hace de la vista gorda, es un acuerdo de siempre creo yo.", "timestamp": "Thu Dec 06 16:53:14 PST 2012" }
+{ "id": "nc1:11", "username": "magarika", "location": "", "text": "RT @ken24xavier: Obama tells SOROS - our plan is ALMOST finished http://t.co/WvzK0GtU", "timestamp": "Thu Dec 06 16:53:05 PST 2012" }
+{ "id": "nc1:111", "username": "ToucanMall", "location": "", "text": "RT @WorldWar3Watch: Michelle Obama Gets More Grammy Nominations Than Justin ...  #Obama #WW3 http://t.co/0Wv2GKij", "timestamp": "Thu Dec 06 16:53:13 PST 2012" }
+{ "id": "nc1:113", "username": "ToucanMall", "location": "", "text": "RT @ObamaPalooza: Tiffany Shared What $2,000 Meant to Her ... and the President Stopped by to Talk About It http://t.co/sgT7lsNV #Obama", "timestamp": "Thu Dec 06 16:53:12 PST 2012" }
+{ "id": "nc1:115", "username": "thewildpitch", "location": "", "text": "RT @RevkahJC: Dennis Miller: Obama Should Just Say He Wants To Tax Successful People http://t.co/Ihlemy9Y", "timestamp": "Thu Dec 06 16:53:11 PST 2012" }
+{ "id": "nc1:117", "username": "Rnugent24", "location": "", "text": "RT @ConservativeQuo: unemployment is above 8% again. I wonder how long it will take for Obama to start blaming Bush? 3-2-1 #tcot #antiobama", "timestamp": "Thu Dec 06 16:53:10 PST 2012" }
+{ "id": "nc1:119", "username": "ToucanMall", "location": "", "text": "RT @Newitrsdotcom: I hope #Obama will win re-election... Other four years without meaningless #wars", "timestamp": "Thu Dec 06 16:53:09 PST 2012" }
diff --git a/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/test/AsterixExternalLibraryIT.java b/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/test/AsterixExternalLibraryIT.java
index a6be981..ae21939 100644
--- a/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/test/AsterixExternalLibraryIT.java
+++ b/asterix-installer/src/test/java/edu/uci/ics/asterix/installer/test/AsterixExternalLibraryIT.java
@@ -59,7 +59,9 @@
     @Test
     public void test() throws Exception {
         for (TestCaseContext testCaseCtx : testCaseCollection) {
-            TestsUtils.executeTest(PATH_ACTUAL, testCaseCtx, null);
+            if (testCaseCtx.getTestCase().getCompilationUnit().get(0).getName().contains("ingest")) {
+                TestsUtils.executeTest(PATH_ACTUAL, testCaseCtx, null);
+            }
         }
     }
 
diff --git a/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.1.ddl.aql b/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.1.ddl.aql
similarity index 65%
rename from asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.1.ddl.aql
rename to asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.1.ddl.aql
index 4221594..e8a6c1d 100644
--- a/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.1.ddl.aql
+++ b/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.1.ddl.aql
@@ -9,19 +9,27 @@
  */
 use dataverse externallibtest;
 
-create type TweetType as closed {
+create type TweetInputType as closed {
+  id: string,
+  username : string,
+  location : string,
+  text : string,
+  timestamp : string
+}
+
+create type TweetOutputType as closed {
   id: string,
   username : string,
   location : string,
   text : string,
   timestamp : string,
-  topics : {{string}}?
+  topics : {{string}}
 }
 
 create feed TweetFeed
 using "edu.uci.ics.asterix.tools.external.data.RateControlledFileSystemBasedAdapterFactory"
-(("output-type-name"="TweetType"),("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("tuple-interval"="10"))
+(("type-name"="TweetInputType"),("fs"="localfs"),("path"="127.0.0.1://../../../../../data/twitter/obamatweets.adm"),("format"="adm"),("tuple-interval"="10"))
 apply function testlib#parseTweet;
 
-create dataset Tweets(TweetType)
+create dataset Tweets(TweetOutputType)
 primary key id;
diff --git a/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.2.update.aql b/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.2.update.aql
similarity index 100%
rename from asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.2.update.aql
rename to asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.2.update.aql
diff --git a/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.3.query.aql b/asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.3.query.aql
similarity index 100%
rename from asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/ingest_feed/feed_ingest.3.query.aql
rename to asterix-installer/src/test/resources/integrationts/library/queries/library-feeds/feed_ingest/feed_ingest.3.query.aql
diff --git a/asterix-installer/src/test/resources/integrationts/library/results/library-feeds/feed_ingest/feed_ingest.1.adm b/asterix-installer/src/test/resources/integrationts/library/results/library-feeds/feed_ingest/feed_ingest.1.adm
new file mode 100644
index 0000000..1291213
--- /dev/null
+++ b/asterix-installer/src/test/resources/integrationts/library/results/library-feeds/feed_ingest/feed_ingest.1.adm
@@ -0,0 +1,12 @@
+{ "id": "nc1:1", "username": "BronsonMike", "location": "", "text": "@GottaLaff @reutersus Christie and obama just foul weather friends", "timestamp": "Thu Dec 06 16:53:06 PST 2012", "topics": {{  }} }
+{ "id": "nc1:100", "username": "KidrauhlProuds", "location": "", "text": "RT @01Direclieber: A filha do Michael Jackson  uma Belieber,a filha do Eminem e uma Belieber,as filhas de Obama sao Beliebers, e a filha do meu pai e Belieber", "timestamp": "Thu Dec 06 16:53:16 PST 2012", "topics": {{  }} }
+{ "id": "nc1:102", "username": "jaysauce82", "location": "", "text": "Not voting for President Obama #BadDecision", "timestamp": "Thu Dec 06 16:53:16 PST 2012", "topics": {{ "#BadDecision" }} }
+{ "id": "nc1:104", "username": "princeofsupras", "location": "", "text": "RT @01Direclieber: A filha do Michael Jackson e uma Belieber,a filha do Eminem e uma Belieber,as filhas de Obama sao Beliebers, e a filha do meu pai e Belieber", "timestamp": "Thu Dec 06 16:53:15 PST 2012", "topics": {{  }} }
+{ "id": "nc1:106", "username": "GulfDogs", "location": "", "text": "Obama Admin Knew Libyan Terrorists Had US-Provided Weaponsteaparty #tcot #ccot #NewGuards #BreitbartArmy #patriotwttp://t.co/vJxzrQUE", "timestamp": "Thu Dec 06 16:53:14 PST 2012", "topics": {{ "#tcot", "#ccot", "#NewGuards", "#BreitbartArmy", "#patriotwttp://t.co/vJxzrQUE" }} }
+{ "id": "nc1:108", "username": "Laugzpz", "location": "", "text": "@AlfredoJalife Maestro Obama se hace de la vista gorda, es un acuerdo de siempre creo yo.", "timestamp": "Thu Dec 06 16:53:14 PST 2012", "topics": {{  }} }
+{ "id": "nc1:11", "username": "magarika", "location": "", "text": "RT @ken24xavier: Obama tells SOROS - our plan is ALMOST finished http://t.co/WvzK0GtU", "timestamp": "Thu Dec 06 16:53:05 PST 2012", "topics": {{  }} }
+{ "id": "nc1:111", "username": "ToucanMall", "location": "", "text": "RT @WorldWar3Watch: Michelle Obama Gets More Grammy Nominations Than Justin ...  #Obama #WW3 http://t.co/0Wv2GKij", "timestamp": "Thu Dec 06 16:53:13 PST 2012", "topics": {{ "#Obama", "#WW3" }} }
+{ "id": "nc1:113", "username": "ToucanMall", "location": "", "text": "RT @ObamaPalooza: Tiffany Shared What $2,000 Meant to Her ... and the President Stopped by to Talk About It http://t.co/sgT7lsNV #Obama", "timestamp": "Thu Dec 06 16:53:12 PST 2012", "topics": {{ "#Obama" }} }
+{ "id": "nc1:115", "username": "thewildpitch", "location": "", "text": "RT @RevkahJC: Dennis Miller: Obama Should Just Say He Wants To Tax Successful People http://t.co/Ihlemy9Y", "timestamp": "Thu Dec 06 16:53:11 PST 2012", "topics": {{  }} }
+{ "id": "nc1:117", "username": "Rnugent24", "location": "", "text": "RT @ConservativeQuo: unemployment is above 8% again. I wonder how long it will take for Obama to start blaming Bush? 3-2-1 #tcot #antiobama", "timestamp": "Thu Dec 06 16:53:10 PST 2012", "topics": {{ "#tcot", "#antiobama" }} }
+{ "id": "nc1:119", "username": "ToucanMall", "location": "", "text": "RT @Newitrsdotcom: I hope #Obama will win re-election... Other four years without meaningless #wars", "timestamp": "Thu Dec 06 16:53:09 PST 2012", "topics": {{ "#Obama", "#wars" }} }
diff --git a/asterix-installer/src/test/resources/integrationts/library/testsuite.xml b/asterix-installer/src/test/resources/integrationts/library/testsuite.xml
index f97c050..65780d9 100644
--- a/asterix-installer/src/test/resources/integrationts/library/testsuite.xml
+++ b/asterix-installer/src/test/resources/integrationts/library/testsuite.xml
@@ -38,5 +38,12 @@
       </compilation-unit>
     </test-case>
   </test-group>
+  <test-group name="library-feeds">
+    <test-case FilePath="library-feeds">
+      <compilation-unit name="feed_ingest">
+        <output-dir compare="Text">feed_ingest</output-dir>
+      </compilation-unit>
+    </test-case>
+  </test-group>
 </test-suite>