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//lib/python3.8/unittest/__init__.py

"""
Python unit testing framework, based on Erich Gamma's JUnit and Kent Beck's
Smalltalk testing framework (used with permission).

This module contains the core framework classes that form the basis of
specific test cases and suites (TestCase, TestSuite etc.), and also a
text-based utility class for running the tests and reporting the results
 (TextTestRunner).

Simple usage:

import unittest

class IntegerArithmeticTestCase(unittest.TestCase):
        def testAdd(self):  # test method names begin with 'test'
            self.assertEqual((1 + 2), 3)
            self.assertEqual(0 + 1, 1)
        def testMultiply(self):
            self.assertEqual((0 * 10), 0)
            self.assertEqual((5 * 8), 40)

if __name__ == '__main__':
        unittest.main()

Further information is available in the bundled documentation, and from

http://docs.python.org/library/unittest.html

Copyright (c) 1999-2003 Steve Purcell
Copyright (c) 2003-2010 Python Software Foundation
This module is free software, and you may redistribute it and/or modify
it under the same terms as Python itself, so long as this copyright message
and disclaimer are retained in their original form.

IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.

THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE.  THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
"""

__all__ = ['TestResult', 'TestCase', 'IsolatedAsyncioTestCase', 'TestSuite',
           'TextTestRunner', 'TestLoader', 'FunctionTestCase', 'main',
           'defaultTestLoader', 'SkipTest', 'skip', 'skipIf', 'skipUnless',
           'expectedFailure', 'TextTestResult', 'installHandler',
           'registerResult', 'removeResult', 'removeHandler',
           'addModuleCleanup']

# Expose obsolete functions for backwards compatibility
__all__.extend(['getTestCaseNames', 'makeSuite', 'findTestCases'])

__unittest = True

from .result import TestResult
from .async_case import IsolatedAsyncioTestCase
from .case import (addModuleCleanup, TestCase, FunctionTestCase, SkipTest, skip,
                   skipIf, skipUnless, expectedFailure)
from .suite import BaseTestSuite, TestSuite
from .loader import (TestLoader, defaultTestLoader, makeSuite, getTestCaseNames,
                     findTestCases)
from .main import TestProgram, main
from .runner import TextTestRunner, TextTestResult
from .signals import installHandler, registerResult, removeResult, removeHandler

# deprecated
_TextTestResult = TextTestResult

# There are no tests here, so don't try to run anything discovered from
# introspecting the symbols (e.g. FunctionTestCase). Instead, all our
# tests come from within unittest.test.
def load_tests(loader, tests, pattern):
    import os.path
    # top level directory cached on loader instance
    this_dir = os.path.dirname(__file__)
    return loader.discover(start_dir=this_dir, pattern=pattern)