Imran Rashid created SPARK-25344:
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Summary: Break large tests.py files into smaller files
Key: SPARK-25344
URL: https://issues.apache.org/jira/browse/SPARK-25344
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 2.4.0
Reporter: Imran Rashid
We've got a ton of tests in one humongous tests.py file, rather than breaking
it out into smaller files.
Having one huge file doesn't seem great for code organization, and it also
makes the test parallelization in run-tests.py not work as well. On my laptop,
tests.py takes 150s, and the next longest test file takes only 20s. There are
similarly large files in other pyspark modules, eg. sql/tests.py, ml/tests.py,
mllib/tests.py, streaming/tests.py.
It seems that at least for some of these files, its already broken into
independent test classes, so it shouldn't be too hard to just move them into
their own files.
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