PyTest¶

pytest debug¶

https://pytest-with-eric.com
https://python-basics-tutorial.readthedocs.io/en/latest/test/pytest/debug.html

options:

-s: or --capture=no. disable the capturing of standard output (stdout) and standard error (stderr)
-v: low(-v)/medium(-vv)/high(-vvv) verbosity
-q: or –quiet. less output

run from vscode terminal¶

pytest
pytest .

run test on file¶

pytest test_myfile.py -sv #print output and test name
pytest test_myfile.py -sv -k "get"  #run test method matches 'get'
pytest Test_myfile.py -sv -m "skip or login" #run test with specific mark or category, either
pytest Test_myfile.py -sv -m "skip and login" #run test with specific mark or category, both, not can be used as well

skip test method¶

https://docs.pytest.org/en/latest/how-to/skipping.html#skipping-test-functions

@pytest.mark.skip(reason='no way of currently testing this')
def test_my_method():
...

#or skip during test
def test_my_method():
    if not valid_config():
        pytest.skip('unsupported configuration')

skip the whole test module¶

if not sys.platform.startswith('win'):
    pytest.skip('skipping windows-only tests', allow_module_level=True)

skip test module if import fails¶

https://docs.pytest.org/en/stable/reference/reference.html#pytest-importorskip-ref

docutils = pytest.importorskip('docutils')

check log message¶

https://docs.pytest.org/en/7.1.x/how-to/logging.html

import logging
from pytest import LogCaptureFixture
from click.testing import CliRunner
from myrepo import main

def test_cli(caplog: LogCaptureFixture) -> None:
    caplog.set_level(logging.INFO, logger=__name__)