Test with Hive Mini-Cluster

[randallwhitman]

Test the Spatial Framework for Hadoop UDFs fully integrated with Hive - automated and against multiple Hive versions.

Some time ago, PDK tests were obsoleted, after which:

• The query-level tests are not automated, require installation of Hive, and run only against the installed version of Hive.
• The automated API unit tests can easily run against different Hive (and Hadoop) versions with Maven profiles, but are incomplete and do not test at query level integrated with Hive.

Re Hive mini-cluster:

• https://cwiki.apache.org/confluence/display/Hive/Unit+Testing+Hive+SQL
• https://github.com/sakserv/hadoop-mini-clusters#hiveserver2-example
• https://stackoverflow.com/questions/16719541/integration-testing-hive-jobs
• https://github.com/apache/hive/blob/master/hcatalog/core/src/test/java/org/apache/hive/hcatalog/MiniCluster.java
• https://julienletrouit.com/?p=384