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| 1 | """ | ||
| 2 | This file imports test methods from different testing modules, in this | ||
| 3 | order: | ||
| 4 | |||
| 5 | - if 'nose2' is found in the list of loaded module, use it | ||
| 6 | - otherwise, try using 'pytest' | ||
| 7 | - if that also fails, fallback to 'numpy.testing' | ||
| 8 | """ | ||
| 9 | |||
| 10 | import sys | ||
| 11 | |||
| 12 | _has_pytest = False | ||
| 13 | _has_nose2 = False | ||
| 14 | |||
| 15 | # if nose2 has already been imported, use it | ||
| 16 | if 'nose2' in sys.modules: | ||
| 17 | from nose2.tools import params, such | ||
| 18 | def parametrize(argnames, argvalues): | ||
| 19 | return params(*argvalues) | ||
| 20 | assert_raises = such.helper.assertRaises | ||
| 21 | assert_warns = such.helper.assertWarns | ||
| 22 | skipTest = such.helper.skipTest | ||
| 23 | _has_nose2 = True | ||
| 24 | print ('using nose2') | ||
| 25 | |||
| 26 | # otherwise, check if we have pytest | ||
| 27 | if not _has_nose2: | ||
| 28 | try: | ||
| 29 | import pytest | ||
| 30 | parametrize = pytest.mark.parametrize | ||
| 31 | _has_pytest = True | ||
| 32 | assert_raises = pytest.raises | ||
| 33 | assert_warns = pytest.warns | ||
| 34 | skipTest = pytest.skip | ||
| 35 | print ('using pytest') | ||
| 36 | except: | ||
| 37 | pass | ||
| 38 | |||
| 39 | # otherwise fallback on numpy.testing | ||
| 40 | if not _has_pytest and not _has_nose2: | ||
| 41 | from numpy.testing import dec, assert_raises, assert_warns | ||
| 42 | from numpy.testing import SkipTest | ||
| 43 | parametrize = dec.parametrize | ||
| 44 | def skipTest(msg): | ||
| 45 | raise SkipTest(msg) | ||
| 46 | print ('using numpy') | ||
| 47 | |||
| 48 | # always use numpy's assert_equal | ||
| 49 | import numpy | ||
| 50 | assert_equal = numpy.testing.assert_equal | ||