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The "HowToContribute" page has been changed by RyanKing. http://wiki.apache.org/cassandra/HowToContribute?action=diff&rev1=23&rev2=24 -------------------------------------------------- 1. Install the [[http://somethingaboutorange.com/mrl/projects/nose/0.11.1/|nose]] test runner (`aptitude install python-nose`, `easy_install nose`, etc). 1. Install the Thrift compiler and Python libraries (http://incubator.apache.org/thrift). 1. Generate Cassandra's Python code using `ant gen-thrift-py`. - 1. Run `nosetests test/system/test_thrift_server.py` from the top-level source directory. + 1. Run `nosetests test/system/` from the top-level source directory. If you need to modify the system tests, you probably only need to care about test/system/test_thrift_server.py. (test/system/__init__.py takes care of spawning new cassandra instances for each test and cleaning up afterwards so they are isolated.)