Fix Change Feed Full Fidelity Tests

sdk/cosmos/azure-cosmos-spark_3-1_2-12/CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Added null checking for previous images for deletes in full fidelity change feed. - See [PR 43483](https://github.com/Azure/azure-sdk-for-java/pull/43483)
 
 #### Other Changes
 

sdk/cosmos/azure-cosmos-spark_3-2_2-12/CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Added null checking for previous images for deletes in full fidelity change feed. - See [PR 43483](https://github.com/Azure/azure-sdk-for-java/pull/43483)
 
 #### Other Changes
 

sdk/cosmos/azure-cosmos-spark_3-3_2-12/CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Added null checking for previous images for deletes in full fidelity change feed. - See [PR 43483](https://github.com/Azure/azure-sdk-for-java/pull/43483)
 
 #### Other Changes
 

sdk/cosmos/azure-cosmos-spark_3-4_2-12/CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Added null checking for previous images for deletes in full fidelity change feed. - See [PR 43483](https://github.com/Azure/azure-sdk-for-java/pull/43483)
 
 #### Other Changes
 

sdk/cosmos/azure-cosmos-spark_3-5_2-12/CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Added null checking for previous images for deletes in full fidelity change feed. - See [PR 43483](https://github.com/Azure/azure-sdk-for-java/pull/43483)
 
 #### Other Changes
 

sdk/cosmos/azure-cosmos-spark_3_2-12/src/main/scala/com/azure/cosmos/spark/CosmosRowConverterBase.scala

@@ -694,7 +694,7 @@ private[cosmos] class CosmosRowConverterBase(
     private def parseTtlExpired(objectNode: ObjectNode): Boolean = {
         objectNode.get(MetadataJsonBodyAttributeName) match {
             case metadataNode: JsonNode =>
-                metadataNode.get(TimeToLiveExpiredPropertyName) match {
+                return metadataNode.get(TimeToLiveExpiredPropertyName) match {
                     case valueNode: JsonNode =>
                         Option(valueNode).fold(false)(v => v.asBoolean(false))
                     case _ => false
@@ -705,29 +705,38 @@ private[cosmos] class CosmosRowConverterBase(
 
     private def parseId(objectNode: ObjectNode): String = {
         val currentNode = getCurrentOrPreviousNode(objectNode)
-        currentNode.get(IdAttributeName) match {
-            case valueNode: JsonNode =>
-                Option(valueNode).fold(null: String)(v => v.asText(null))
-            case _ => null
+        if (currentNode != null) {
+            return currentNode.get(IdAttributeName) match {
+                case valueNode: JsonNode =>
+                    Option(valueNode).fold(null: String)(v => v.asText(null))
+                case _ => null
+            }
         }
+        null
     }
 
     private def parseTimestamp(objectNode: ObjectNode): Long = {
         val currentNode = getCurrentOrPreviousNode(objectNode)
-        currentNode.get(TimestampAttributeName) match {
-            case valueNode: JsonNode =>
-                Option(valueNode).fold(-1L)(v => v.asLong(-1))
-            case _ => -1L
+        if (currentNode != null) {
+            return currentNode.get(TimestampAttributeName) match {
+                case valueNode: JsonNode =>
+                    Option(valueNode).fold(-1L)(v => v.asLong(-1))
+                case _ => -1L
+            }
         }
+       -1L
     }
 
     private def parseETag(objectNode: ObjectNode): String = {
         val currentNode = getCurrentOrPreviousNode(objectNode)
-        currentNode.get(ETagAttributeName) match {
-            case valueNode: JsonNode =>
-                Option(valueNode).fold(null: String)(v => v.asText(null))
-            case _ => null
+        if (currentNode != null) {
+            return currentNode.get(ETagAttributeName) match {
+                case valueNode: JsonNode =>
+                    Option(valueNode).fold(null: String)(v => v.asText(null))
+                case _ => null
+            }
         }
+        null
     }
 
     private def getCurrentOrPreviousNode(objectNode: ObjectNode): JsonNode = {

sdk/cosmos/azure-cosmos-spark_3_2-12/src/test/scala/com/azure/cosmos/spark/SparkE2EChangeFeedITest.scala

@@ -444,104 +444,104 @@ class SparkE2EChangeFeedITest
     rowsArray2 should have size 50 - initialCount
   }
 
-//  "spark change feed query (full fidelity)" should "honor checkpoint location" in {
-//    val cosmosEndpoint = TestConfigurations.HOST
-//    val cosmosMasterKey = TestConfigurations.MASTER_KEY
-//
-//    val checkpointLocation = s"/tmp/checkpoints/${UUID.randomUUID().toString}"
-//    val cfg = Map(
-//      "spark.cosmos.accountEndpoint" -> cosmosEndpoint,
-//      "spark.cosmos.accountKey" -> cosmosMasterKey,
-//      "spark.cosmos.database" -> cosmosDatabase,
-//      "spark.cosmos.container" -> cosmosContainer,
-//      "spark.cosmos.read.inferSchema.enabled" -> "false",
-//      "spark.cosmos.changeFeed.mode" -> "FullFidelity",
-//      "spark.cosmos.changeFeed.startFrom" -> "NOW",
-//      "spark.cosmos.read.partitioning.strategy" -> "Restrictive",
-//      "spark.cosmos.changeFeed.batchCheckpointLocation" -> checkpointLocation
-//    )
-//
-//    val df1 = spark.read.format("cosmos.oltp.changeFeed").options(cfg).load()
-//    val rowsArray1 = df1.collect()
-//    rowsArray1.length == 0 shouldEqual true
-//
-//    df1.schema.equals(
-//      ChangeFeedTable.defaultFullFidelityChangeFeedSchemaForInferenceDisabled) shouldEqual true
-//
-//    val hdfs = org.apache.hadoop.fs.FileSystem.get(spark.sparkContext.hadoopConfiguration)
-//
-//    val startOffsetFolderLocation = Paths.get(checkpointLocation, "startOffset").toString
-//    val startOffsetFileLocation = Paths.get(startOffsetFolderLocation, "0").toString
-//    hdfs.exists(new Path(startOffsetFolderLocation)) shouldEqual true
-//    hdfs.exists(new Path(startOffsetFileLocation)) shouldEqual false
-//
-//    val latestOffsetFolderLocation = Paths.get(checkpointLocation, "latestOffset").toString
-//    val latestOffsetFileLocation = Paths.get(latestOffsetFolderLocation, "0").toString
-//    hdfs.exists(new Path(latestOffsetFolderLocation)) shouldEqual true
-//    hdfs.exists(new Path(latestOffsetFileLocation)) shouldEqual true
-//
-//    //  TODO - check for the offset structure to make sure it looks like the new lease format.
-//
-//    hdfs.copyToLocalFile(true, new Path(latestOffsetFileLocation), new Path(startOffsetFileLocation))
-//    assert(!hdfs.exists(new Path(latestOffsetFileLocation)))
-//
-//    val container = cosmosClient.getDatabase(cosmosDatabase).getContainer(cosmosContainer)
-//
-//    val createdObjectIds = new ArrayBuffer[String]()
-//    val replacedObjectIds = new ArrayBuffer[String]()
-//    val deletedObjectIds = new ArrayBuffer[String]()
-//    for (sequenceNumber <- 1 to 5) {
-//      val objectNode = Utils.getSimpleObjectMapper.createObjectNode()
-//      objectNode.put("name", "Shrodigner's cat")
-//      objectNode.put("type", "cat")
-//      objectNode.put("age", 20)
-//      objectNode.put("sequenceNumber", sequenceNumber)
-//      val id = UUID.randomUUID().toString
-//      objectNode.put("id", id)
-//      createdObjectIds += id
-//      if (sequenceNumber % 2 == 0) {
-//        replacedObjectIds += id
-//      }
-//      if (sequenceNumber % 3 == 0) {
-//        deletedObjectIds += id
-//      }
-//      container.createItem(objectNode).block()
-//    }
-//
-//    for (id <- replacedObjectIds) {
-//      val objectNode = Utils.getSimpleObjectMapper.createObjectNode()
-//      objectNode.put("name", "Shrodigner's cat")
-//      objectNode.put("type", "dog")
-//      objectNode.put("age", 25)
-//      objectNode.put("id", id)
-//      container.replaceItem(objectNode, id, new PartitionKey(id)).block()
-//    }
-//
-//    for (id <- deletedObjectIds) {
-//      container.deleteItem(id, new PartitionKey(id)).block()
-//    }
-//
-//    // wait for the log store to get these changes
-//    Thread.sleep(2000)
-//
-//    val df2 = spark.read.format("cosmos.oltp.changeFeed").options(cfg).load()
-//    val groupedFrame = df2.groupBy(CosmosTableSchemaInferrer.OperationTypeAttributeName)
-//      .agg(functions.collect_list("id").as("ids"))
-//
-//    val collectedFrame = groupedFrame.collect()
-//    collectedFrame.foreach(row => {
-//      val wrappedArray = row.get(1).asInstanceOf[mutable.WrappedArray[String]]
-//      val array = wrappedArray.array
-//      row.get(0) match {
-//        case "create" =>
-//          validateArraysUnordered(createdObjectIds, array)
-//        case "replace" =>
-//          validateArraysUnordered(replacedObjectIds, array)
-//        case "delete" =>
-//          validateArraysUnordered(deletedObjectIds, array)
-//      }
-//    })
-//  }
+  "spark change feed query (full fidelity)" should "honor checkpoint location" in {
+    val cosmosEndpoint = TestConfigurations.HOST
+    val cosmosMasterKey = TestConfigurations.MASTER_KEY
+
+    val checkpointLocation = s"/tmp/checkpoints/${UUID.randomUUID().toString}"
+    val cfg = Map(
+      "spark.cosmos.accountEndpoint" -> cosmosEndpoint,
+      "spark.cosmos.accountKey" -> cosmosMasterKey,
+      "spark.cosmos.database" -> cosmosDatabase,
+      "spark.cosmos.container" -> cosmosContainer,
+      "spark.cosmos.read.inferSchema.enabled" -> "false",
+      "spark.cosmos.changeFeed.mode" -> "FullFidelity",
+      "spark.cosmos.changeFeed.startFrom" -> "NOW",
+      "spark.cosmos.read.partitioning.strategy" -> "Restrictive",
+      "spark.cosmos.changeFeed.batchCheckpointLocation" -> checkpointLocation
+    )
+
+    val df1 = spark.read.format("cosmos.oltp.changeFeed").options(cfg).load()
+    val rowsArray1 = df1.collect()
+    rowsArray1.length == 0 shouldEqual true
+
+    df1.schema.equals(
+      ChangeFeedTable.defaultFullFidelityChangeFeedSchemaForInferenceDisabled) shouldEqual true
+
+    val hdfs = org.apache.hadoop.fs.FileSystem.get(spark.sparkContext.hadoopConfiguration)
+
+    val startOffsetFolderLocation = Paths.get(checkpointLocation, "startOffset").toString
+    val startOffsetFileLocation = Paths.get(startOffsetFolderLocation, "0").toString
+    hdfs.exists(new Path(startOffsetFolderLocation)) shouldEqual true
+    hdfs.exists(new Path(startOffsetFileLocation)) shouldEqual false
+
+    val latestOffsetFolderLocation = Paths.get(checkpointLocation, "latestOffset").toString
+    val latestOffsetFileLocation = Paths.get(latestOffsetFolderLocation, "0").toString
+    hdfs.exists(new Path(latestOffsetFolderLocation)) shouldEqual true
+    hdfs.exists(new Path(latestOffsetFileLocation)) shouldEqual true
+
+    //  TODO - check for the offset structure to make sure it looks like the new lease format.
+
+    hdfs.copyToLocalFile(true, new Path(latestOffsetFileLocation), new Path(startOffsetFileLocation))
+    assert(!hdfs.exists(new Path(latestOffsetFileLocation)))
+
+    val container = cosmosClient.getDatabase(cosmosDatabase).getContainer(cosmosContainer)
+
+    val createdObjectIds = new ArrayBuffer[String]()
+    val replacedObjectIds = new ArrayBuffer[String]()
+    val deletedObjectIds = new ArrayBuffer[String]()
+    for (sequenceNumber <- 1 to 5) {
+      val objectNode = Utils.getSimpleObjectMapper.createObjectNode()
+      objectNode.put("name", "Shrodigner's cat")
+      objectNode.put("type", "cat")
+      objectNode.put("age", 20)
+      objectNode.put("sequenceNumber", sequenceNumber)
+      val id = UUID.randomUUID().toString
+      objectNode.put("id", id)
+      createdObjectIds += id
+      if (sequenceNumber % 2 == 0) {
+        replacedObjectIds += id
+      }
+      if (sequenceNumber % 3 == 0) {
+        deletedObjectIds += id
+      }
+      container.createItem(objectNode).block()
+    }
+
+    for (id <- replacedObjectIds) {
+      val objectNode = Utils.getSimpleObjectMapper.createObjectNode()
+      objectNode.put("name", "Shrodigner's cat")
+      objectNode.put("type", "dog")
+      objectNode.put("age", 25)
+      objectNode.put("id", id)
+      container.replaceItem(objectNode, id, new PartitionKey(id)).block()
+    }
+
+    for (id <- deletedObjectIds) {
+      container.deleteItem(id, new PartitionKey(id)).block()
+    }
+
+    // wait for the log store to get these changes
+    Thread.sleep(2000)
+
+    val df2 = spark.read.format("cosmos.oltp.changeFeed").options(cfg).load()
+    val groupedFrame = df2.groupBy(CosmosTableSchemaInferrer.OperationTypeAttributeName)
+      .agg(functions.collect_list("id").as("ids"))
+
+    val collectedFrame = groupedFrame.collect()
+    collectedFrame.foreach(row => {
+      val wrappedArray = row.get(1).asInstanceOf[mutable.WrappedArray[String]]
+      val array = wrappedArray.array
+      row.get(0) match {
+        case "create" =>
+          validateArraysUnordered(createdObjectIds, array)
+        case "replace" =>
+          validateArraysUnordered(replacedObjectIds, array)
+        case "delete" =>
+          validateArraysUnordered(deletedObjectIds, array)
+      }
+    })
+  }
 
   "spark change feed query (incremental)" can "proceed with simulated Spark2 Checkpoint" in {
     val cosmosEndpoint = TestConfigurations.HOST