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Diffstat (limited to 'venv/lib/python3.9/site-packages/numpy/_pytesttester.py')
| -rw-r--r-- | venv/lib/python3.9/site-packages/numpy/_pytesttester.py | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/venv/lib/python3.9/site-packages/numpy/_pytesttester.py b/venv/lib/python3.9/site-packages/numpy/_pytesttester.py new file mode 100644 index 00000000..01ddaaf9 --- /dev/null +++ b/venv/lib/python3.9/site-packages/numpy/_pytesttester.py @@ -0,0 +1,206 @@ +""" +Pytest test running. + +This module implements the ``test()`` function for NumPy modules. The usual +boiler plate for doing that is to put the following in the module +``__init__.py`` file:: + + from numpy._pytesttester import PytestTester + test = PytestTester(__name__) + del PytestTester + + +Warnings filtering and other runtime settings should be dealt with in the +``pytest.ini`` file in the numpy repo root. The behavior of the test depends on +whether or not that file is found as follows: + +* ``pytest.ini`` is present (develop mode) + All warnings except those explicitly filtered out are raised as error. +* ``pytest.ini`` is absent (release mode) + DeprecationWarnings and PendingDeprecationWarnings are ignored, other + warnings are passed through. + +In practice, tests run from the numpy repo are run in develop mode. That +includes the standard ``python runtests.py`` invocation. + +This module is imported by every numpy subpackage, so lies at the top level to +simplify circular import issues. For the same reason, it contains no numpy +imports at module scope, instead importing numpy within function calls. +""" +import sys +import os + +__all__ = ['PytestTester'] + + +def _show_numpy_info(): + import numpy as np + + print("NumPy version %s" % np.__version__) + relaxed_strides = np.ones((10, 1), order="C").flags.f_contiguous + print("NumPy relaxed strides checking option:", relaxed_strides) + info = np.lib.utils._opt_info() + print("NumPy CPU features: ", (info if info else 'nothing enabled')) + + +class PytestTester: + """ + Pytest test runner. + + A test function is typically added to a package's __init__.py like so:: + + from numpy._pytesttester import PytestTester + test = PytestTester(__name__).test + del PytestTester + + Calling this test function finds and runs all tests associated with the + module and all its sub-modules. + + Attributes + ---------- + module_name : str + Full path to the package to test. + + Parameters + ---------- + module_name : module name + The name of the module to test. + + Notes + ----- + Unlike the previous ``nose``-based implementation, this class is not + publicly exposed as it performs some ``numpy``-specific warning + suppression. + + """ + def __init__(self, module_name): + self.module_name = module_name + + def __call__(self, label='fast', verbose=1, extra_argv=None, + doctests=False, coverage=False, durations=-1, tests=None): + """ + Run tests for module using pytest. + + Parameters + ---------- + label : {'fast', 'full'}, optional + Identifies the tests to run. When set to 'fast', tests decorated + with `pytest.mark.slow` are skipped, when 'full', the slow marker + is ignored. + verbose : int, optional + Verbosity value for test outputs, in the range 1-3. Default is 1. + extra_argv : list, optional + List with any extra arguments to pass to pytests. + doctests : bool, optional + .. note:: Not supported + coverage : bool, optional + If True, report coverage of NumPy code. Default is False. + Requires installation of (pip) pytest-cov. + durations : int, optional + If < 0, do nothing, If 0, report time of all tests, if > 0, + report the time of the slowest `timer` tests. Default is -1. + tests : test or list of tests + Tests to be executed with pytest '--pyargs' + + Returns + ------- + result : bool + Return True on success, false otherwise. + + Notes + ----- + Each NumPy module exposes `test` in its namespace to run all tests for + it. For example, to run all tests for numpy.lib: + + >>> np.lib.test() #doctest: +SKIP + + Examples + -------- + >>> result = np.lib.test() #doctest: +SKIP + ... + 1023 passed, 2 skipped, 6 deselected, 1 xfailed in 10.39 seconds + >>> result + True + + """ + import pytest + import warnings + + module = sys.modules[self.module_name] + module_path = os.path.abspath(module.__path__[0]) + + # setup the pytest arguments + pytest_args = ["-l"] + + # offset verbosity. The "-q" cancels a "-v". + pytest_args += ["-q"] + + with warnings.catch_warnings(): + warnings.simplefilter("always") + # Filter out distutils cpu warnings (could be localized to + # distutils tests). ASV has problems with top level import, + # so fetch module for suppression here. + from numpy.distutils import cpuinfo + + with warnings.catch_warnings(record=True): + # Ignore the warning from importing the array_api submodule. This + # warning is done on import, so it would break pytest collection, + # but importing it early here prevents the warning from being + # issued when it imported again. + import numpy.array_api + + # Filter out annoying import messages. Want these in both develop and + # release mode. + pytest_args += [ + "-W ignore:Not importing directory", + "-W ignore:numpy.dtype size changed", + "-W ignore:numpy.ufunc size changed", + "-W ignore::UserWarning:cpuinfo", + ] + + # When testing matrices, ignore their PendingDeprecationWarnings + pytest_args += [ + "-W ignore:the matrix subclass is not", + "-W ignore:Importing from numpy.matlib is", + ] + + if doctests: + pytest_args += ["--doctest-modules"] + + if extra_argv: + pytest_args += list(extra_argv) + + if verbose > 1: + pytest_args += ["-" + "v"*(verbose - 1)] + + if coverage: + pytest_args += ["--cov=" + module_path] + + if label == "fast": + # not importing at the top level to avoid circular import of module + from numpy.testing import IS_PYPY + if IS_PYPY: + pytest_args += ["-m", "not slow and not slow_pypy"] + else: + pytest_args += ["-m", "not slow"] + + elif label != "full": + pytest_args += ["-m", label] + + if durations >= 0: + pytest_args += ["--durations=%s" % durations] + + if tests is None: + tests = [self.module_name] + + pytest_args += ["--pyargs"] + list(tests) + + # run tests. + _show_numpy_info() + + try: + code = pytest.main(pytest_args) + except SystemExit as exc: + code = exc.code + + return code == 0 |