Revert "bpo-45162: Revert "Remove many old deprecated unittest features"" (GH-92556)

This reverts commit b50322d20337ca468f2070eedb051a16ee1eba94.

4 files changed, 1 insertions, 85 deletions

diff --git a/Lib/unittest/__init__.py b/Lib/unittest/__init__.py
index b8de8c9..5bcbf83 100644
--- a/Lib/unittest/__init__.py
+++ b/Lib/unittest/__init__.py
@@ -69,9 +69,6 @@ from .signals import installHandler, registerResult, removeResult, removeHandler
 # IsolatedAsyncioTestCase will be imported lazily.
 from .loader import makeSuite, getTestCaseNames, findTestCases
 
-# deprecated
-_TextTestResult = TextTestResult
-
 
 # Lazy import of IsolatedAsyncioTestCase from .async_case
 # It imports asyncio, which is relatively heavy, but most tests
diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index ffc8f19..af83033 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -1171,35 +1171,6 @@ class TestCase(object):
             standardMsg = self._truncateMessage(standardMsg, diff)
             self.fail(self._formatMessage(msg, standardMsg))
 
-    def assertDictContainsSubset(self, subset, dictionary, msg=None):
-        """Checks whether dictionary is a superset of subset."""
-        warnings.warn('assertDictContainsSubset is deprecated',
-                      DeprecationWarning)
-        missing = []
-        mismatched = []
-        for key, value in subset.items():
-            if key not in dictionary:
-                missing.append(key)
-            elif value != dictionary[key]:
-                mismatched.append('%s, expected: %s, actual: %s' %
-                                  (safe_repr(key), safe_repr(value),
-                                   safe_repr(dictionary[key])))
-
-        if not (missing or mismatched):
-            return
-
-        standardMsg = ''
-        if missing:
-            standardMsg = 'Missing: %s' % ','.join(safe_repr(m) for m in
-                                                    missing)
-        if mismatched:
-            if standardMsg:
-                standardMsg += '; '
-            standardMsg += 'Mismatched values: %s' % ','.join(mismatched)
-
-        self.fail(self._formatMessage(msg, standardMsg))
-
-
     def assertCountEqual(self, first, second, msg=None):
         """Asserts that two iterables have the same elements, the same number of
         times, without regard to order.
@@ -1363,27 +1334,6 @@ class TestCase(object):
             raise self.failureException(msg)
 
 
-    def _deprecate(original_func):
-        def deprecated_func(*args, **kwargs):
-            warnings.warn(
-                'Please use {0} instead.'.format(original_func.__name__),
-                DeprecationWarning, 2)
-            return original_func(*args, **kwargs)
-        return deprecated_func
-
-    # see #9424
-    failUnlessEqual = assertEquals = _deprecate(assertEqual)
-    failIfEqual = assertNotEquals = _deprecate(assertNotEqual)
-    failUnlessAlmostEqual = assertAlmostEquals = _deprecate(assertAlmostEqual)
-    failIfAlmostEqual = assertNotAlmostEquals = _deprecate(assertNotAlmostEqual)
-    failUnless = assert_ = _deprecate(assertTrue)
-    failUnlessRaises = _deprecate(assertRaises)
-    failIf = _deprecate(assertFalse)
-    assertRaisesRegexp = _deprecate(assertRaisesRegex)
-    assertRegexpMatches = _deprecate(assertRegex)
-    assertNotRegexpMatches = _deprecate(assertNotRegex)
-
-
 
 class FunctionTestCase(TestCase):
     """A test case that wraps a test function.
diff --git a/Lib/unittest/loader.py b/Lib/unittest/loader.py
index 7e6ce2f..eb18cd0 100644
--- a/Lib/unittest/loader.py
+++ b/Lib/unittest/loader.py
@@ -93,30 +93,8 @@ class TestLoader(object):
         loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
         return loaded_suite
 
-    # XXX After Python 3.5, remove backward compatibility hacks for
-    # use_load_tests deprecation via *args and **kws.  See issue 16662.
-    def loadTestsFromModule(self, module, *args, pattern=None, **kws):
+    def loadTestsFromModule(self, module, *, pattern=None):
         """Return a suite of all test cases contained in the given module"""
-        # This method used to take an undocumented and unofficial
-        # use_load_tests argument.  For backward compatibility, we still
-        # accept the argument (which can also be the first position) but we
-        # ignore it and issue a deprecation warning if it's present.
-        if len(args) > 0 or 'use_load_tests' in kws:
-            warnings.warn('use_load_tests is deprecated and ignored',
-                          DeprecationWarning)
-            kws.pop('use_load_tests', None)
-        if len(args) > 1:
-            # Complain about the number of arguments, but don't forget the
-            # required `module` argument.
-            complaint = len(args) + 1
-            raise TypeError('loadTestsFromModule() takes 1 positional argument but {} were given'.format(complaint))
-        if len(kws) != 0:
-            # Since the keyword arguments are unsorted (see PEP 468), just
-            # pick the alphabetically sorted first argument to complain about,
-            # if multiple were given.  At least the error message will be
-            # predictable.
-            complaint = sorted(kws)[0]
-            raise TypeError("loadTestsFromModule() got an unexpected keyword argument '{}'".format(complaint))
         tests = []
         for name in dir(module):
             obj = getattr(module, name)
diff --git a/Lib/unittest/runner.py b/Lib/unittest/runner.py
index cb452c7..6678adb 100644
--- a/Lib/unittest/runner.py
+++ b/Lib/unittest/runner.py
@@ -200,15 +200,6 @@ class TextTestRunner(object):
             if self.warnings:
                 # if self.warnings is set, use it to filter all the warnings
                 warnings.simplefilter(self.warnings)
-                # if the filter is 'default' or 'always', special-case the
-                # warnings from the deprecated unittest methods to show them
-                # no more than once per module, because they can be fairly
-                # noisy.  The -Wd and -Wa flags can be used to bypass this
-                # only when self.warnings is None.
-                if self.warnings in ['default', 'always']:
-                    warnings.filterwarnings('module',
-                            category=DeprecationWarning,
-                            message=r'Please use assert\w+ instead.')
             startTime = time.perf_counter()
             startTestRun = getattr(result, 'startTestRun', None)
             if startTestRun is not None: