Comment on #19345 Basic Python and Java testing and running issues Discussion answered by SweetTalkingBaby For completeness, the immediate solutions were: 1. The Python test functions need to begin with

test_

in order for Pytest to recognise them. 2. Changed the

entry_point

of

pex_binary

in the Python app BUILD file to refer to the function. 3. Added an explicit dependency

:lineprinter

to the

deploy_jar

in the Java app BUILD file. But I've made a few other changes, which required adding an explicit dependency

:line_printer

to

pex_binary

too. (commit b79f589). Now you can run the apps (which now take arguments) with

pants run src/python/app/line_printer:lp -- 2 3 4

and

pants run src/java/app/lineprinter:lp -- 2 3 4

. pantsbuild/pants