165 lines
4.8 KiB
Python
165 lines
4.8 KiB
Python
"""
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Pytest test running.
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This module implements the ``test()`` function for NumPy modules. The usual
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boiler plate for doing that is to put the following in the module
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``__init__.py`` file::
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from pywt._pytesttester import PytestTester
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test = PytestTester(__name__).test
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del PytestTester
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Warnings filtering and other runtime settings should be dealt with in the
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``pytest.ini`` file in the pywt repo root. The behavior of the test depends on
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whether or not that file is found as follows:
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* ``pytest.ini`` is present (develop mode)
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All warnings except those explicily filtered out are raised as error.
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* ``pytest.ini`` is absent (release mode)
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DeprecationWarnings and PendingDeprecationWarnings are ignored, other
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warnings are passed through.
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In practice, tests run from the PyWavelets repo are run in develop mode. That
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includes the standard ``python runtests.py`` invocation.
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"""
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from __future__ import division, absolute_import, print_function
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import sys
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import os
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__all__ = ['PytestTester']
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def _show_pywt_info():
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import pywt
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from pywt._c99_config import _have_c99_complex
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print("PyWavelets version %s" % pywt.__version__)
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if _have_c99_complex:
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print("Compiled with C99 complex support.")
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else:
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print("Compiled without C99 complex support.")
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class PytestTester(object):
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"""
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Pytest test runner.
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This class is made available in ``pywt.testing``, and a test function
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is typically added to a package's __init__.py like so::
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from pywt.testing import PytestTester
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test = PytestTester(__name__).test
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del PytestTester
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Calling this test function finds and runs all tests associated with the
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module and all its sub-modules.
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Attributes
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----------
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module_name : str
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Full path to the package to test.
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Parameters
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----------
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module_name : module name
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The name of the module to test.
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"""
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def __init__(self, module_name):
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self.module_name = module_name
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def __call__(self, label='fast', verbose=1, extra_argv=None,
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doctests=False, coverage=False, durations=-1, tests=None):
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"""
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Run tests for module using pytest.
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Parameters
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----------
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label : {'fast', 'full'}, optional
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Identifies the tests to run. When set to 'fast', tests decorated
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with `pytest.mark.slow` are skipped, when 'full', the slow marker
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is ignored.
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verbose : int, optional
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Verbosity value for test outputs, in the range 1-3. Default is 1.
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extra_argv : list, optional
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List with any extra arguments to pass to pytests.
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doctests : bool, optional
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.. note:: Not supported
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coverage : bool, optional
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If True, report coverage of NumPy code. Default is False.
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Requires installation of (pip) pytest-cov.
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durations : int, optional
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If < 0, do nothing, If 0, report time of all tests, if > 0,
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report the time of the slowest `timer` tests. Default is -1.
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tests : test or list of tests
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Tests to be executed with pytest '--pyargs'
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Returns
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-------
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result : bool
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Return True on success, false otherwise.
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Examples
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--------
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>>> result = np.lib.test() #doctest: +SKIP
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...
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1023 passed, 2 skipped, 6 deselected, 1 xfailed in 10.39 seconds
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>>> result
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True
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"""
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import pytest
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module = sys.modules[self.module_name]
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module_path = os.path.abspath(module.__path__[0])
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# setup the pytest arguments
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pytest_args = ["-l"]
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# offset verbosity. The "-q" cancels a "-v".
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pytest_args += ["-q"]
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# Filter out annoying import messages. Want these in both develop and
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# release mode.
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pytest_args += [
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"-W ignore:Not importing directory",
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"-W ignore:numpy.dtype size changed",
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"-W ignore:numpy.ufunc size changed", ]
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if doctests:
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raise ValueError("Doctests not supported")
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if extra_argv:
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pytest_args += list(extra_argv)
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if verbose > 1:
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pytest_args += ["-" + "v"*(verbose - 1)]
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if coverage:
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pytest_args += ["--cov=" + module_path]
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if label == "fast":
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pytest_args += ["-m", "not slow"]
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elif label != "full":
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pytest_args += ["-m", label]
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if durations >= 0:
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pytest_args += ["--durations=%s" % durations]
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if tests is None:
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tests = [self.module_name]
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pytest_args += ["--pyargs"] + list(tests)
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# run tests.
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_show_pywt_info()
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try:
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code = pytest.main(pytest_args)
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except SystemExit as exc:
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code = exc.code
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return code == 0
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