This project collect multiple unit tests for different spark components and within different testing libraries.
WordCounter.scala: Spark jobCoreUnitTest.scala: unit test for Spark core statements using scalatest library.SqlUnitTest.scala: unit test for Spark SQL using scalatest library.StreamingUnitTest.scala: unit test for Spark Streaming using scalatest library.WordCounterTest.scala: unit test for Spark job using spark-testing-base library.