$ cat test_it.py
def test_it():
assert 1 == 1
$ pytest
================== test session starts ===================
platform darwin -- Python 2.7.14, pytest-3.7.1, py-1.5.4, pluggy-0.7.1
rootdir: /private/tmp/failedfirst, inifile:
plugins: xdist-1.22.5, forked-0.2
collected 1 item
test_it.py . [100%]
================ 1 passed in 0.01 seconds ================
$ pytest --failed-first
================== test session starts ===================
platform darwin -- Python 2.7.14, pytest-3.7.1, py-1.5.4, pluggy-0.7.1
rootdir: /private/tmp/failedfirst, inifile:
plugins: xdist-1.22.5, forked-0.2
collected 1 item
run-last-failure: run all (no recorded failures)
test_it.py . [100%]
================ 1 passed in 0.01 seconds ================
$ pytest -q --failed-first
run-last-failure: run all (no recorded failures)
. [100%]
1 passed in 0.01 seconds
--failed-firstalways means, run all the tests, but order the recent failure to run first. But if there were no failures, it always prints a message that it is going to run all the tests. This message is not needed.