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# (C) Copyright 2005-2023 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
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
"""
Reusable components for Traits-based applications.
Part of the Enthought Tool Suite.
"""
# ============================= Test Loader ==================================
def load_tests(loader, standard_tests, pattern):
""" Custom test loading function that enables test filtering using regex
exclusion pattern.
Parameters
----------
loader : unittest.TestLoader
The instance of test loader
standard_tests : unittest.TestSuite
Tests that would be loaded by default from this module (no tests)
pattern : str
An inclusion pattern used to match test files (test*.py default)
Returns
-------
filtered_package_tests : unittest.TestSuite
TestSuite representing all package tests that did not match specified
exclusion pattern.
"""
from os import environ
from os.path import dirname
from pyface.util.testing import filter_tests
from unittest import TestSuite
# Make sure the right toolkit is up and running before importing tests
from pyface.toolkit import toolkit_object # noqa: F401
this_dir = dirname(__file__)
package_tests = loader.discover(start_dir=this_dir, pattern=pattern)
# List of regular expression for filtering test using the test id.
exclusion_patterns = []
# Environment variable for skipping more tests.
# e.g. etstool.py in the source tree root sets this to skip packages for
# specific toolkit
additional_exclude = environ.get("EXCLUDE_TESTS", None)
if additional_exclude is not None:
exclusion_patterns.append(additional_exclude)
filtered_package_tests = TestSuite()
for test_suite in package_tests:
for exclusion_pattern in exclusion_patterns:
test_suite = filter_tests(test_suite, exclusion_pattern)
filtered_package_tests.addTest(test_suite)
return filtered_package_tests
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