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Useful py.test commands.
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| py.test test_sample.py --collect-only # collects information test suite | |
| py.test test_sample.py -v # outputs verbose messages | |
| py.test -q test_sample.py # omit filename output | |
| python -m pytest -q test_sample.py # calling pytest through python | |
| py.test --markers # show available markers | |
| # In order to create a reusable marker. | |
| /* | |
| # content of pytest.ini | |
| [pytest] | |
| markers = | |
| webtest: mark a test as a webtest. | |
| */ | |
| py.test -k "TestClass and not test_one" # only run tests with names that match the "string expression" | |
| py.test test_server.py::TestClass::test_method # cnly run tests that match the node ID | |
| py.test -x # stop after first failure | |
| py.test --maxfail=2 # stop after two failures | |
| py.test --showlocals # show local variables in tracebacks | |
| py.test -l # (shortcut) | |
| py.test --tb=long # the default informative traceback formatting | |
| py.test --tb=native # the Python standard library formatting | |
| py.test --tb=short # a shorter traceback format | |
| py.test --tb=line # only one line per failure | |
| py.test --tb=no # no tracebak output | |
| py.test -x --pdb # drop to PDB on first failure, then end test session | |
| py.test --durations=10 # list of the slowest 10 test durations. | |
| py.test --maxfail=2 -rf # exit after 2 failures, report fail info. | |
| py.test -n 4 # send tests to multiple CPUs | |
| py.test -m slowest # run tests with decorator @pytest.mark.slowest or slowest = pytest.mark.slowest; @slowest | |
| py.test --traceconfig # find out which py.test plugins are active in your environment. | |
| py.test --instafail # if pytest-instafail is installed, show errors and failures instantly instead of waiting until the end of test suite. | |
| # Test using parametrize | |
| /* | |
| import pytest | |
| @pytest.mark.parametrize( | |
| ('n', 'expected'), [ | |
| (1, 2), | |
| (2, 3), | |
| (3, 4), | |
| (4, 5), | |
| pytest.mark.xfail((1, 0)), | |
| pytest.mark.xfail(reason="some bug")((1, 0)), | |
| pytest.mark.skipif('sys.version_info >= (3,0)')((10, 11)), | |
| ] | |
| ) | |
| def test_increment(n, expected): | |
| assert n + 1 == expected | |
| */ |
nice one
thank you
Thank you!
usefull
Why the command is py.test instead of pytest?
Thank you!
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tnx