Source code for pyface.util.testing

# (C) Copyright 2005-2022 Enthought, Inc., Austin, TX
# All rights reserved.
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
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# Thanks for using Enthought open source!
from functools import wraps
import re
from unittest import TestSuite

from packaging.version import Version

from traits import __version__ as TRAITS_VERSION

[docs]def filter_tests(test_suite, exclusion_pattern): filtered_test_suite = TestSuite() for item in test_suite: if isinstance(item, TestSuite): filtered = filter_tests(item, exclusion_pattern) filtered_test_suite.addTest(filtered) else: match =, if match is not None: skip_msg = "Test excluded via pattern '{}'".format( exclusion_pattern ) setattr(item, 'setUp', lambda: item.skipTest(skip_msg)) filtered_test_suite.addTest(item) return filtered_test_suite
[docs]def has_traitsui(): """ Is traitsui installed and sufficiently recent? """ try: import traitsui # noqa: F401 except ImportError: return False from pyface.toolkit import toolkit if toolkit.toolkit.startswith("qt"): from pyface.qt import is_qt6 if is_qt6: return Version(traitsui.__version__) >= Version("7.4") return True
[docs]def skip_if_no_traitsui(test): """ Decorator that skips test if traitsui not available """ @wraps(test) def new_test(self): if has_traitsui(): test(self) else: self.skipTest("Can't import traitsui.") return new_test
[docs]def is_traits_version_ge(version): """ Return true if the traits version is greater than or equal to the required value. Parameters ---------- version : str Version to be parsed. e.g. "6.0" """ traits_version = Version(TRAITS_VERSION) given_version = Version(version) return traits_version >= given_version