I found a huge bug today and thought of Pants. We use Bazel's

rules_python

which has

py_test

to run your

unittest

test suite. We wrap it in our own sauce to add

pytest

and re-export a

py_test

macro. Turns out a few

BUILD

files used the

rules_python

py_test

macro -> their

pytest

-style tests ran with

unittest

->

unittest

doesn't see any tests, and doesn't error when no tests are run -> tests were never really run. My only reaction was:

This would've never happened with Pants

This would've never happened with Pants

Is there a particular reason you think that? An obvious answer is we use Pytest rather than unittest

Precisely! Bazel has yet to be taught about the python test runner ubiquitous in the Python ecosystem. And I doubt it'll ever support it well enough for

conftest.py

files