Issue #19535: Fixed test_docxmlrpc, test_functools, test_inspect, and

test_statistics when python is run with -OO.

Lib/test/test_docxmlrpc.py

@@ -202,10 +202,12 @@ class DocXMLRPCHTTPGETServer(unittest.TestCase):
         """ Test that annotations works as expected """
         self.client.request("GET", "/")
         response = self.client.getresponse()
+        docstring = (b'' if sys.flags.optimize >= 2 else
+                     b'<dd><tt>Use&nbsp;function&nbsp;annotations.</tt></dd>')
         self.assertIn(
             (b'<dl><dt><a name="-annotation"><strong>annotation</strong></a>'
-             b'(x: int)</dt><dd><tt>Use&nbsp;function&nbsp;annotations.</tt>'
+             b'(x: int)</dt>' + docstring + b'</dl>\n'
-             b'</dd></dl>\n<dl><dt><a name="-method_annotation"><strong>'
+             b'<dl><dt><a name="-method_annotation"><strong>'
              b'method_annotation</strong></a>(x: bytes)</dt></dl>'),
             response.read())
 

Lib/test/test_functools.py

@@ -1126,6 +1126,7 @@ class TestSingleDispatch(unittest.TestCase):
             "Simple test"
             return "Test"
         self.assertEqual(g.__name__, "g")
+        if sys.flags.optimize < 2:
             self.assertEqual(g.__doc__, "Simple test")
 
     @unittest.skipUnless(decimal, 'requires _decimal')

Lib/test/test_inspect.py

@@ -2529,6 +2529,7 @@ class TestMain(unittest.TestCase):
         # Just a quick sanity check on the output
         self.assertIn(module.__name__, output)
         self.assertIn(module.__file__, output)
+        if not sys.flags.optimize:
             self.assertIn(module.__cached__, output)
         self.assertEqual(err, b'')
 

Lib/test/test_statistics.py

@@ -8,6 +8,7 @@ import decimal
 import doctest
 import math
 import random
+import sys
 import types
 import unittest
 
@@ -625,6 +626,8 @@ class GlobalsTest(unittest.TestCase):
 
 
 class DocTests(unittest.TestCase):
+    @unittest.skipIf(sys.flags.optimize >= 2,
+                     "Docstrings are omitted with -OO and above")
     def test_doc_tests(self):
         failed, tried = doctest.testmod(statistics)
         self.assertGreater(tried, 0)

Misc/NEWS

@@ -112,6 +112,9 @@ Library
 Tests
 -----
 
+- Issue #19535: Fixed test_docxmlrpc, test_functools, test_inspect, and
+  test_statistics when python is run with -OO.
+
 - Issue #19926: Removed unneeded test_main from test_abstract_numbers.
   Patch by Vajrasky Kok.