pytest-mian function runs

1, set up multiple run concurrently

1, the command-line installation

install pytest-xdist PIP   # install the plug-in, multi-run concurrently, 
# call: -n -5

 

import pytest


#
pytest.main(["-n","-3",
             #,"--reruns","2","--reruns-delay","3",
              "--html=test_result/report/report.html", "--junitxml=test_result/report/report.xml"
             #,"--alluredir=test_result/allureReports"
            ])

执行结果：ERROR: MISSING test execution (tx) nodes: please specify --tx

Wrong reasons: the back of the -n value can not be negative.

Should read: positive