Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22104#discussion_r212794910
--- Diff: python/pyspark/sql/utils.py ---
@@ -152,6 +152,22 @@ def require_minimum_pyarrow_version():
"your version was %s." %
(minimum_pyarrow_version, pyarrow.__version__))
+def require_test_compiled():
+ """ Raise Exception if test classes are not compiled
+ """
+ import os
+ try:
+ spark_home = os.environ['SPARK_HOME']
+ except KeyError:
+ raise RuntimeError('SPARK_HOME is not defined in environment')
+
+ test_class_path = os.path.join(
+ spark_home, 'sql', 'core', 'target', 'scala-2.11', 'test-classes')
--- End diff --
Eh, @icexelloss, can we avoid specific version of `scala-2.11` here?
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