Added extensions to Read and Write mode.

Added support for key prefixes

4 files changed, 573 insertions, 0 deletions

diff --git a/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSaltTester.scala b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSaltTester.scala
new file mode 100644
index 0000000..d24f785
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSaltTester.scala
@@ -0,0 +1,101 @@
+package parallelai.spyglass.hbase.testing
+
+import parallelai.spyglass.base.JobBase
+import parallelai.spyglass.hbase.HBaseConstants.SourceMode;
+
+import com.twitter.scalding.Args
+import parallelai.spyglass.hbase.HBaseSource
+import com.twitter.scalding.Tsv
+import cascading.tuple.Fields
+import com.twitter.scalding.TextLine
+import org.apache.log4j.Logger
+import org.apache.log4j.Level
+import parallelai.spyglass.hbase.HBasePipeConversions
+import cascading.pipe.Pipe
+
+class HBaseSaltTester (args: Args) extends JobBase(args) with HBasePipeConversions {
+
+  val isDebug = args.getOrElse("debug", "false").toBoolean
+  
+  if( isDebug ) { Logger.getRootLogger().setLevel(Level.DEBUG) } 
+  
+  val TABLE_SCHEMA = List('key, 'salted, 'unsalted)
+  
+  val prefix = "0123456789"
+  
+//  val hbase01 = CommonFunctors.fromBytesWritable(
+//      new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.SCAN_ALL ).read,       
+//        TABLE_SCHEMA )
+//  .write(TextLine("saltTesting/ScanAllNoSalt01"))
+
+//  val hbase02 = CommonFunctors.fromBytesWritable(
+//      new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.SCAN_ALL, useSalt = true ).read,       
+//        TABLE_SCHEMA )
+//  .write(TextLine("saltTesting/ScanAllPlusSalt01"))
+
+//  val hbase03 = CommonFunctors.fromBytesWritable(
+//      new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.SCAN_RANGE, startKey = "8_1728", stopKey = "1_1831" ).read,       
+//        TABLE_SCHEMA )
+//  .write(TextLine("saltTesting/ScanRangeNoSalt01"))
+
+//  val hbase04 = CommonFunctors.fromBytesWritable(
+//      new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.SCAN_RANGE, startKey = "1728", stopKey = "1831", useSalt = true ).read,       
+//        TABLE_SCHEMA )
+//  .write(TextLine("saltTesting/ScanRangePlusSalt01"))
+
+//  val hbase05bytes = new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.GET_LIST, keyList = List("1_1681", "6_1456") ).read
+//          
+//  val hbase05 = CommonFunctors.fromBytesWritable(
+//      hbase05bytes,       
+//        TABLE_SCHEMA )
+//  .write(TextLine("saltTesting/GetListNoSalt01"))
+//
+//  val hbase06bytes = new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.GET_LIST, keyList = List("1681", "1456"), useSalt = true).read
+//          
+//  val hbase06 = CommonFunctors.fromBytesWritable(
+//      hbase06bytes,       
+//        TABLE_SCHEMA )
+//  .write(TextLine("saltTesting/GetListPlusSalt01"))
+
+  val hbase07 = 
+      new HBaseSource( "_TEST.SALT.03", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+          sourceMode = SourceMode.SCAN_RANGE, startKey = "11445", stopKey = "11455", useSalt = true, prefixList = prefix )
+  .read
+  .fromBytesWritable( TABLE_SCHEMA )
+  .write(TextLine("saltTesting/ScanRangePlusSalt10"))
+  .toBytesWritable( TABLE_SCHEMA )
+  .write(new HBaseSource( "_TEST.SALT.04", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+          useSalt = true ))
+
+//  val hbase08 = 
+//      new HBaseSource( "_TEST.SALT.01", "cldmgr.prod.bigdata.bskyb.com,cldnode01.prod.bigdata.bskyb.com,cldnode02.prod.bigdata.bskyb.com:2181", 'key,  
+//          TABLE_SCHEMA.tail.map((x: Symbol) => "data").toArray, 
+//          TABLE_SCHEMA.tail.map((x: Symbol) => new Fields(x.name)).toArray,
+//          sourceMode = SourceMode.SCAN_RANGE, startKey = "1445", stopKey = "1455", useSalt = true, prefixList = prefix )
+//  .read
+//  .fromBytesWritable('*)
+//  .write(TextLine("saltTesting/ScanRangePlusSalt03"))
+
+}
\ No newline at end of file
diff --git a/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSaltTesterRunner.scala b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSaltTesterRunner.scala
new file mode 100644
index 0000000..af7d7d2
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSaltTesterRunner.scala
@@ -0,0 +1,18 @@
+package parallelai.spyglass.hbase.testing
+
+import parallelai.spyglass.base.JobRunner
+
+object HBaseSaltTesterRunner extends App {
+  
+//  if( args.length < 2 ) { throw new Exception("Not enough Args")}
+  
+  val appConfig = "/home/crajah/tmp/application.conf"
+  val libPath = "/home/crajah/Dropbox/_WORK_/_SKY_/_BIG_DATA_/_SOURCES_/big_data/commons/commons.hbase.skybase/alternateLocation"
+
+  JobRunner.main(Array(classOf[HBaseSaltTester].getName, 
+      "--hdfs", 
+      "--app.conf.path", appConfig, 
+      "--job.lib.path", libPath,
+      "--debug", "true"
+  ))
+}
\ No newline at end of file
diff --git a/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSourceShouldRead.scala b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSourceShouldRead.scala
new file mode 100644
index 0000000..69f8b60
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSourceShouldRead.scala
@@ -0,0 +1,444 @@
+package parallelai.spyglass.hbase.testing
+
+import org.apache.log4j.Level
+import org.apache.log4j.LogManager
+import org.apache.log4j.Logger
+import com.twitter.scalding.Args
+import com.twitter.scalding.IterableSource
+import com.twitter.scalding.Tsv
+import parallelai.spyglass.hbase.HBaseConstants.SourceMode
+import parallelai.spyglass.hbase.HBaseSource
+import parallelai.spyglass.base.JobBase
+import cascading.pipe.Pipe
+import parallelai.spyglass.hbase.HBasePipeConversions
+
+/**
+ * This integration-test expects some HBase table to exist
+ * with specific data - see GenerateTestingHTables.java
+ *
+ * Keep in mind that currently:  
+ * + No version support exists in Scans
+ * + GET_LIST is working as a Set - Having a rowkey twice in the GET_LIST - will return in only one GET
+ * 
+ * ISSUES:
+ *  + If Scan_Range is unordered i.e. 9 -> 1 (instead of 1 -> 9) unhandled exception is thrown:
+ *  Caused by: java.lang.IllegalArgumentException: Invalid range: 9 > 11000000
+ *	at org.apache.hadoop.hbase.client.HTable.getRegionsInRange(HTable.java:551)
+ *  
+ * @author Antwnis@gmail.com
+ */
+
+// https://github.com/twitter/scalding/blob/develop/scalding-core/src/test/scala/com/twitter/scalding/BlockJoinTest.scala
+class HBaseSourceShouldRead (args: Args) extends JobBase(args) with HBasePipeConversions {
+  
+  // Initiate logger
+  private val LOG: Logger = LogManager.getLogger(this.getClass)
+  
+  // Set to Level.DEBUG if --debug is passed in
+  val isDebug:Boolean = args.getOrElse("debug", "false").toBoolean
+  if (isDebug) { 
+    LOG.setLevel(Level.DEBUG)
+    LOG.info("Setting logging to Level.DEBUG")
+  }
+  
+  // Set HBase host
+  val hbaseHost = "cldmgr.prod.bigdata.bskyb.com:2181" 
+
+  // -----------------------------
+  // ----- Tests for TABLE_01 ----
+  // -----------------------------
+  val TABLE_01_SCHEMA = List('key,'column1)
+  val tableName1 = "TABLE_01"
+  val tableName2 = "TABLE_02"
+
+  // -------------------- Test 01 --------------------
+  var testName01 = "Scan_Test_01_Huge_Key_Range"
+  println("---- Running : " + testName01)
+  // Get everything from HBase testing table into a Pipe
+  val hbase01 = new HBaseSource( tableName1, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.SCAN_RANGE, startKey = "2000-01-01 00:00:00", stopKey = "2000-01-02 00:00:00")
+  		  	.read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  // Calculate expected result for Test 01
+  var list01 = List(("2000-01-01 10:00:10", "1"),
+                    ("2000-01-01 10:05:00", "2"),
+                    ("2000-01-01 10:10:00", "3"))
+
+  // -------------------- Test 02 --------------------
+  val testName02 = "Scan_Test_02_Borders_Range"
+  println("---- Running : " + testName02)
+  // Get everything from HBase testing table into a Pipe
+  val hbase02 = new HBaseSource( tableName1, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.SCAN_RANGE, startKey = "2000-01-01 10:00:10", stopKey = "2000-01-01 10:10:00")
+  		  	.read
+  		  	.fromBytesWritable(TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+  // Calculate expected result for Test 02
+  var list02 = List(("2000-01-01 10:00:10", "1"), ("2000-01-01 10:05:00", "2"), ("2000-01-01 10:10:00", "3"))
+
+  // -------------------- Test 03 --------------------
+  val testName03 = "Scan_Test_03_Inner_Range"
+  // Get everything from HBase testing table into a Pipe
+  val hbase03 = new HBaseSource( tableName1, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.SCAN_RANGE, startKey = "2000-01-01 10:00:55", stopKey = "2000-01-01 10:07:00")
+  		  	.read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+  
+  // Calculate expected result for Test 03
+  var list03 = List(("2000-01-01 10:05:00", "2"))
+
+  // -------------------- Test 04 --------------------
+  val testName04 = "Scan_Test_04_Out_Of_Range_And_Unordered"
+  // Get everything from HBase testing table into a Pipe
+  val hbase04 = new HBaseSource( tableName1, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.SCAN_RANGE, startKey = "9", stopKey = "911000000")
+  		  	.read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+  
+  // -------------------- Test 0 - TODO scan multiple versions .. --------------------
+//  val testName04 = "Scan_Test_04_One_Version"
+//  // Get everything from HBase testing table into a Pipe
+//  val hbase04 = CommonFunctors.fromBytesWritable(
+//  		new HBaseSource( tableName2, hbaseHost, 'key,  
+//  		    Array("data"), 
+//  		    Array('column1),
+//            sourceMode = SourceMode.SCAN_RANGE, startKey = "2000-01-01 00:00:00", stopKey = "2000-01-02 00:00:00",
+//            versions = 1 ) // If versions is '0' - it is regarded as '1'
+//            .read  	    
+//  	    , TABLE_01_SCHEMA)
+//  .groupAll { group => 
+//  	   group.toList[String]('key -> 'key)
+//  	   group.toList[String]('column1 -> 'column1)
+//  }
+//  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+//	     x._1 + " " + x._2
+//  }
+//  
+//  // Calculate expected result for Test 04
+//  var list04 = List(("",""))
+
+
+  // -------------------- Test 05 --------------------
+  val testName05 = "Get_Test_01_One_Existing_Some_Nonexisting_Keys_1_Versions"
+  // Get everything from HBase testing table into a Pipe
+  val hbase05 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+            sourceMode = SourceMode.GET_LIST, keyList = List("5003914", "2000-01-01 11:00:00", "5004897"),
+            versions = 1 )
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  // Calculate expected result for Test 04
+  var list05 = List(("2000-01-01 11:00:00", "6"))
+
+  // -------------------- Test 6 --------------------
+  val testName06 = "Get_Test_02_One_Existing_Some_Nonexisting_Keys_2_Versions"
+  val hbase06 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+            sourceMode = SourceMode.GET_LIST, keyList = List("a", "5003914", "2000-01-01 10:00:00"),
+            versions = 2 )
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group =>
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  // Calculate expected result for Test 05
+  var list06 = List(("2000-01-01 10:00:00", "3"),("2000-01-01 10:00:00","2"))
+
+  // -------------------- Test 7 --------------------
+  val testName07 = "Get_Test_03_One_Existing_Some_Nonexisting_Keys_3_Versions"
+  // Get everything from HBase testing table into a Pipe
+  val hbase07 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+            sourceMode = SourceMode.GET_LIST, keyList = List("2000", "2000-01", "2000-01-01 11:00:00", "zz"),
+            versions = 3 )
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  // Calculate expected result for Test 07
+  var list07 = List(("2000-01-01 11:00:00", "6"),("2000-01-01 11:00:00","5"),("2000-01-01 11:00:00","4"))
+  
+  // -------------------- Test 08 --------------------
+  val testName08 = "Get_Test_04_One_Existing_Some_Nonexisting_Keys_4_Versions"
+  // Get everything from HBase testing table into a Pipe
+  val hbase08 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+            sourceMode = SourceMode.GET_LIST, keyList = List("2000", "2000-01-01 11:00:00", "2000-01-01 10:00:00", "zz"),
+            versions = 4 )
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  var list08 = List(("2000-01-01 10:00:00", "3"),("2000-01-01 10:00:00","2"),("2000-01-01 10:00:00","1"),
+                    ("2000-01-01 11:00:00", "6"),("2000-01-01 11:00:00","5"),("2000-01-01 11:00:00","4"))
+
+  // -------------------- Test 09 --------------------
+  val testName09 = "Get_Test_05_Get_Same_Key_Multiple_Times_4_versions"
+  // Get everything from HBase testing table into a Pipe
+  val hbase09 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+            sourceMode = SourceMode.GET_LIST, keyList = List("2000", "2000-01-01 11:00:00", "avdvf", "2000-01-01 11:00:00"),
+            versions = 4 )
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  var list09 = List(("2000-01-01 11:00:00", "6"),("2000-01-01 11:00:00","5"),("2000-01-01 11:00:00","4"))
+
+
+  // -------------------- Test 10 --------------------
+  val testName10 = "Get_Test_06_TestWith10000and1rowkeys"
+  var bigList1:List[String] = (1 to 10000).toList.map(_.toString) 
+  var bigList2:List[String] = (100001 to 200000).toList.map(_.toString)
+  var bigList = ((bigList1 ::: List("2000-01-01 11:00:00")) ::: bigList2) ::: List("2000-01-01 10:00:00")   
+
+  // Get everything from HBase testing table into a Pipe
+  val hbase10 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.GET_LIST, keyList = bigList,
+            versions = 2 ) // 
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  
+  var list10 = List(("2000-01-01 10:00:00", "3"),("2000-01-01 10:00:00","2"),
+		  			("2000-01-01 11:00:00", "6"),("2000-01-01 11:00:00","5")
+                    )
+  
+  // -------------------- Test 11 --------------------
+  val testName11 = "Get_Test_07_EmptyList"
+  // Get everything from HBase testing table into a Pipe
+  val hbase11 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.GET_LIST, keyList = List(),
+            versions = 1 ) // 
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+
+  
+  // -------------------- Test 11 --------------------
+  val testName12 = "Get_Test_08_Three_Nonexistingkeys_1_Versions"
+  // Get everything from HBase testing table into a Pipe
+  val hbase12 = new HBaseSource( tableName2, hbaseHost, 'key,  
+  		    Array("data"), 
+  		    Array('column1),
+  		    sourceMode = SourceMode.GET_LIST, keyList = List("5003914", "5000687", "5004897"),
+            versions = 1 )  
+            .read  	    
+  	    .fromBytesWritable(
+  		TABLE_01_SCHEMA)
+  .groupAll { group => 
+  	   group.toList[String]('key -> 'key)
+  	   group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+	     x._1 + " " + x._2
+  }
+  
+  // --------------------- TEST 13 -----------------------------
+  val testName13 = "Some "
+  val hbase13 = new HBaseSource( tableName2, hbaseHost, 'key,  
+          Array("data"), 
+          Array('column1),
+          sourceMode = SourceMode.SCAN_RANGE, startKey = "", stopKey="", useSalt = true )  
+            .read       
+        .fromBytesWritable(
+      TABLE_01_SCHEMA)
+  .groupAll { group => 
+       group.toList[String]('key -> 'key)
+       group.toList[String]('column1 -> 'column1)
+  }
+  .mapTo(('key, 'column1) -> 'hbasedata) { x:(String,String) =>
+       x._1 + " " + x._2
+  } 
+
+  var list13 = List(("2000-01-01 10:00:00", "3"),("2000-01-01 10:00:00","2"),
+            ("2000-01-01 11:00:00", "6"),("2000-01-01 11:00:00","5")
+                    )
+
+  
+  // Store results of Scan Test 01
+  (
+    getTestResultPipe(getExpectedPipe(list01), hbase01, testName01) ++
+    getTestResultPipe(getExpectedPipe(list02), hbase02, testName02) ++
+    getTestResultPipe(getExpectedPipe(list03), hbase03, testName03) ++  
+    assertPipeIsEmpty(hbase04, testName04) ++
+    getTestResultPipe(getExpectedPipe(list05), hbase05, testName05) ++ 
+    getTestResultPipe(getExpectedPipe(list06), hbase06, testName06) ++ 
+    getTestResultPipe(getExpectedPipe(list07), hbase07, testName07) ++
+    getTestResultPipe(getExpectedPipe(list08), hbase08, testName08) ++
+    getTestResultPipe(getExpectedPipe(list09), hbase09, testName09) ++
+    getTestResultPipe(getExpectedPipe(list10), hbase10, testName10) ++
+    getTestResultPipe(getExpectedPipe(list13), hbase13, testName13) ++
+    assertPipeIsEmpty(hbase11, testName11) ++
+    assertPipeIsEmpty(hbase12, testName12) 
+  ).groupAll { group =>
+    group.sortBy('testName)
+  }
+  .write(Tsv("HBaseShouldRead"))
+  
+  
+  /**
+   * We assume the pipe is empty
+   * 
+   * We concatenate with a header - if the resulting size is 1 
+   * then the original size was 0 - then the pipe was empty :)
+   * 
+   * The result is then returned in a Pipe
+   */
+  def assertPipeIsEmpty ( hbasePipe : Pipe , testName:String) : Pipe = { 
+    val headerPipe = IterableSource(List(testName), 'hbasedata)
+    val concatenation = ( hbasePipe ++ headerPipe ).groupAll{ group =>
+      group.size('size)
+    }
+    .project('size)
+    
+    val result = 
+      concatenation
+      .mapTo('size -> ('testName, 'result, 'expecteddata, 'hbasedata)) { x:String => { 
+	      if (x == "1") { 
+	        (testName, "Success", "", "")
+	      } else {
+	        (testName, "Test Failed", "", "")
+	      }  
+    	}
+      }
+    
+    result
+  }
+  
+  /**
+   * Methods receives 2 pipes - and projects the results of testing
+   * 
+   * expectedPipe  should have a column 'expecteddata
+   * realHBasePipe should have a column 'hbasedata
+   */
+  def getTestResultPipe ( expectedPipe:Pipe , realHBasePipe:Pipe, testName: String ): Pipe = {
+	val results = expectedPipe.insert('testName , testName)
+                 .joinWithTiny('testName -> 'testName, realHBasePipe.insert('testName , testName))
+    .map(('expecteddata, 'hbasedata)->'result) { x:(String,String) =>
+        if (x._1.equals(x._2)) 
+           "Success"
+        else
+           "Test Failed"
+    }
+    .project('testName, 'result, 'expecteddata, 'hbasedata)
+    results
+  }
+
+  /** 
+   *  
+   */
+  def getExpectedPipe ( expectedList: List[(String,String)]) : Pipe = {
+    
+    val expectedPipe = 
+      IterableSource(expectedList, TABLE_01_SCHEMA)
+      .groupAll { group =>
+        group.toList[String]('key -> 'key)
+        group.toList[String]('column1 -> 'column1)
+      }
+      .mapTo(('*) -> 'expecteddata) { x:(String,String) =>
+         x._1 + " " + x._2
+      }
+   expectedPipe
+  }
+  
+}
diff --git a/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSourceShouldReadRunner.scala b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSourceShouldReadRunner.scala
new file mode 100644
index 0000000..aa77caa
--- /dev/null
+++ b/src/main/scala/parallelai/spyglass/hbase/testing/HBaseSourceShouldReadRunner.scala
@@ -0,0 +1,10 @@
+package parallelai.spyglass.hbase.testing
+
+import parallelai.spyglass.base.JobRunner
+
+object HBaseSourceShouldReadRunner extends App {
+  val appConfig = "/projects/applications.conf"
+  val libPath = "/media/sf__CHANDAN_RAJAH_/Dropbox/_WORK_/_SKY_/_BIG_DATA_/_SOURCES_/big_data/commons/commons.hbase.skybase/alternateLocation"
+
+  JobRunner.main(Array(classOf[HBaseSourceShouldRead].getName, "--hdfs", "--app.conf.path", appConfig, "--job.lib.path", libPath))
+}
\ No newline at end of file