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After installing locally with i.e., python -m pip install .
you can
compare it with more conventional test selection techniques as follows.
Consider working with SciPy development. Let's start off by selecting
all tests with test_3d
anywhere in their node id, using the conventional/
built-in -k
flag:
python dev.py test -- -v -k "test_3d"
This runs a bunch of tests with string matches as you might expect:
scipy/io/tests/test_idl.py::TestArrayDimensions::test_3d PASSED
scipy/io/tests/test_idl.py::TestPointerArray::test_3d PASSED
scipy/optimize/_trustregion_constr/tests/test_qp_subproblem.py::TestBoxBoundariesIntersections::test_3d_box_constraints PASSED
scipy/optimize/_trustregion_constr/tests/test_qp_subproblem.py::TestBoxBoundariesIntersections::test_3d_box_constraints_entire_line PASSED
scipy/optimize/_trustregion_constr/tests/test_qp_subproblem.py::TestModifiedDogleg::test_3d_example PASSED
scipy/stats/tests/test_stats.py::TestGeometricStandardDeviation::test_3d_array PASSED
scipy/stats/tests/test_stats.py::TestGeometricStandardDeviation::test_3d_array_axis_type_tuple PASSED
scipy/stats/tests/test_stats.py::TestGeometricStandardDeviation::test_3d_array_axis_0 PASSED
scipy/stats/tests/test_stats.py::TestGeometricStandardDeviation::test_3d_array_axis_1 PASSED
scipy/stats/tests/test_stats.py::TestGeometricStandardDeviation::test_3d_array_axis_2 PASSED
scipy/stats/tests/test_stats.py::TestFOneWay::test_3d_inputs PASSED
What if you want to run only tests with an exact match to test_3d
or
test_3d_example
?
Try pytest-regex
with:
python dev.py test -- -v --regex "(.*test_3d$|.*test_3d_example$)"
scipy/io/tests/test_idl.py::TestArrayDimensions::test_3d PASSED
scipy/io/tests/test_idl.py::TestPointerArray::test_3d PASSED
scipy/optimize/_trustregion_constr/tests/test_qp_subproblem.py::TestModifiedDogleg::test_3d_example PASSED
This does what we want, and is probably more concise than the -k
alternative. In fact,
I'm not entirely sure how one would do this with -k
in its current form.
pytest-regex
simply passes the Python regular expression through
to the list of node ids, where a node id is structured as follows:
path/to/test_module.py::TestClass::test_name[parameter_value]
If the regex matches the node id, the test is retained and executed.
FAQs
Select pytest tests with regular expressions
We found that pytest-regex demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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