def test_suppress_deprecation_with_warning_filter(self):
"""don't suppress if we already have a filter"""
warnings.filterwarnings('error', category=Warning)
self.assertFirstWarning('error', Warning)
self.assertEqual(1, len(warnings.filters))
symbol_versioning.suppress_deprecation_warnings(override=False)
self.assertFirstWarning('error', Warning)
self.assertEqual(1, len(warnings.filters))
def test_set_restore_filters(self):
original_filters = warnings.filters[:]
symbol_versioning.suppress_deprecation_warnings()()
self.assertEqual(original_filters, warnings.filters)
def test_suppress_deprecation_warnings(self):
"""suppress_deprecation_warnings sets DeprecationWarning to ignored."""
symbol_versioning.suppress_deprecation_warnings()
self.assertFirstWarning('ignore', DeprecationWarning)