[3.14] gh-128051: Fix tests if sys.float_repr_style is 'legacy' (GH-135908) (#136025)

gh-128051: Fix tests if sys.float_repr_style is 'legacy' (GH-135908)
(cherry picked from commit f3aec60d7a01c5f085a3ef2d6670d46b42b8ddd3)

Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>

16 files changed, 50 insertions, 44 deletions

diff --git a/Lib/difflib.py b/Lib/difflib.py
index f1f4e62..ac1ba4a 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -78,8 +78,8 @@ class SequenceMatcher:
     sequences.  As a rule of thumb, a .ratio() value over 0.6 means the
     sequences are close matches:
 
-    >>> print(round(s.ratio(), 3))
-    0.866
+    >>> print(round(s.ratio(), 2))
+    0.87
     >>>
 
     If you're only interested in where the sequences match,
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index d221aa5..14fe335 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -2991,7 +2991,8 @@ class TestType(unittest.TestCase):
 
 def load_tests(loader, tests, pattern):
     from doctest import DocTestSuite
-    tests.addTest(DocTestSuite(builtins))
+    if sys.float_repr_style == 'short':
+        tests.addTest(DocTestSuite(builtins))
     return tests
 
 if __name__ == "__main__":
diff --git a/Lib/test/test_configparser.py b/Lib/test/test_configparser.py
index 23904d1..e7364e1 100644
--- a/Lib/test/test_configparser.py
+++ b/Lib/test/test_configparser.py
@@ -986,12 +986,12 @@ class ConfigParserTestCase(BasicTestCase, unittest.TestCase):
 
     def test_defaults_keyword(self):
         """bpo-23835 fix for ConfigParser"""
-        cf = self.newconfig(defaults={1: 2.4})
-        self.assertEqual(cf[self.default_section]['1'], '2.4')
-        self.assertAlmostEqual(cf[self.default_section].getfloat('1'), 2.4)
-        cf = self.newconfig(defaults={"A": 5.2})
-        self.assertEqual(cf[self.default_section]['a'], '5.2')
-        self.assertAlmostEqual(cf[self.default_section].getfloat('a'), 5.2)
+        cf = self.newconfig(defaults={1: 2.5})
+        self.assertEqual(cf[self.default_section]['1'], '2.5')
+        self.assertAlmostEqual(cf[self.default_section].getfloat('1'), 2.5)
+        cf = self.newconfig(defaults={"A": 5.25})
+        self.assertEqual(cf[self.default_section]['a'], '5.25')
+        self.assertAlmostEqual(cf[self.default_section].getfloat('a'), 5.25)
 
 
 class ConfigParserTestCaseNoInterpolation(BasicTestCase, unittest.TestCase):
diff --git a/Lib/test/test_ctypes/test_parameters.py b/Lib/test/test_ctypes/test_parameters.py
index f89521c..46f8ff9 100644
--- a/Lib/test/test_ctypes/test_parameters.py
+++ b/Lib/test/test_ctypes/test_parameters.py
@@ -1,3 +1,4 @@
+import sys
 import unittest
 import test.support
 from ctypes import (CDLL, PyDLL, ArgumentError,
@@ -240,7 +241,8 @@ class SimpleTypesTestCase(unittest.TestCase):
         self.assertRegex(repr(c_ulonglong.from_param(20000)), r"^<cparam '[LIQ]' \(20000\)>$")
         self.assertEqual(repr(c_float.from_param(1.5)), "<cparam 'f' (1.5)>")
         self.assertEqual(repr(c_double.from_param(1.5)), "<cparam 'd' (1.5)>")
-        self.assertEqual(repr(c_double.from_param(1e300)), "<cparam 'd' (1e+300)>")
+        if sys.float_repr_style == 'short':
+            self.assertEqual(repr(c_double.from_param(1e300)), "<cparam 'd' (1e+300)>")
         self.assertRegex(repr(c_longdouble.from_param(1.5)), r"^<cparam ('d' \(1.5\)|'g' at 0x[A-Fa-f0-9]+)>$")
         self.assertRegex(repr(c_char_p.from_param(b'hihi')), r"^<cparam 'z' \(0x[A-Fa-f0-9]+\)>$")
         self.assertRegex(repr(c_wchar_p.from_param('hihi')), r"^<cparam 'Z' \(0x[A-Fa-f0-9]+\)>$")
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 221f9db..bbc7630 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -36,7 +36,7 @@ def load_tests(loader, tests, ignore):
                 optionflags=doctest.ELLIPSIS|doctest.NORMALIZE_WHITESPACE,
                 ))
     howto_tests = os.path.join(REPO_ROOT, 'Doc/howto/enum.rst')
-    if os.path.exists(howto_tests):
+    if os.path.exists(howto_tests) and sys.float_repr_style == 'short':
         tests.addTests(doctest.DocFileSuite(
                 howto_tests,
                 module_relative=False,
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index 237d7b5..00518ab 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -795,6 +795,8 @@ class FormatTestCase(unittest.TestCase):
         self.assertRaises(ValueError, format, x, '.6,n')
 
     @support.requires_IEEE_754
+    @unittest.skipUnless(sys.float_repr_style == 'short',
+                         "applies only when using short float repr style")
     def test_format_testfile(self):
         with open(format_testfile, encoding="utf-8") as testfile:
             for line in testfile:
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py
index c7cc32e..1f626d8 100644
--- a/Lib/test/test_format.py
+++ b/Lib/test/test_format.py
@@ -346,12 +346,12 @@ class FormatTest(unittest.TestCase):
         testcommon(b"%s", memoryview(b"abc"), b"abc")
         # %a will give the equivalent of
         # repr(some_obj).encode('ascii', 'backslashreplace')
-        testcommon(b"%a", 3.14, b"3.14")
+        testcommon(b"%a", 3.25, b"3.25")
         testcommon(b"%a", b"ghi", b"b'ghi'")
         testcommon(b"%a", "jkl", b"'jkl'")
         testcommon(b"%a", "\u0544", b"'\\u0544'")
         # %r is an alias for %a
-        testcommon(b"%r", 3.14, b"3.14")
+        testcommon(b"%r", 3.25, b"3.25")
         testcommon(b"%r", b"ghi", b"b'ghi'")
         testcommon(b"%r", "jkl", b"'jkl'")
         testcommon(b"%r", "\u0544", b"'\\u0544'")
@@ -407,19 +407,19 @@ class FormatTest(unittest.TestCase):
 
         self.assertEqual(format("abc", "\u2007<5"), "abc\u2007\u2007")
         self.assertEqual(format(123, "\u2007<5"), "123\u2007\u2007")
-        self.assertEqual(format(12.3, "\u2007<6"), "12.3\u2007\u2007")
+        self.assertEqual(format(12.5, "\u2007<6"), "12.5\u2007\u2007")
         self.assertEqual(format(0j, "\u2007<4"), "0j\u2007\u2007")
         self.assertEqual(format(1+2j, "\u2007<8"), "(1+2j)\u2007\u2007")
 
         self.assertEqual(format("abc", "\u2007>5"), "\u2007\u2007abc")
         self.assertEqual(format(123, "\u2007>5"), "\u2007\u2007123")
-        self.assertEqual(format(12.3, "\u2007>6"), "\u2007\u200712.3")
+        self.assertEqual(format(12.5, "\u2007>6"), "\u2007\u200712.5")
         self.assertEqual(format(1+2j, "\u2007>8"), "\u2007\u2007(1+2j)")
         self.assertEqual(format(0j, "\u2007>4"), "\u2007\u20070j")
 
         self.assertEqual(format("abc", "\u2007^5"), "\u2007abc\u2007")
         self.assertEqual(format(123, "\u2007^5"), "\u2007123\u2007")
-        self.assertEqual(format(12.3, "\u2007^6"), "\u200712.3\u2007")
+        self.assertEqual(format(12.5, "\u2007^6"), "\u200712.5\u2007")
         self.assertEqual(format(1+2j, "\u2007^8"), "\u2007(1+2j)\u2007")
         self.assertEqual(format(0j, "\u2007^4"), "\u20070j\u2007")
 
diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py
index f545570..58a30c8 100644
--- a/Lib/test/test_fstring.py
+++ b/Lib/test/test_fstring.py
@@ -1336,9 +1336,9 @@ x = (
 
     def test_conversions(self):
         self.assertEqual(f'{3.14:10.10}', '      3.14')
-        self.assertEqual(f'{3.14!s:10.10}', '3.14      ')
-        self.assertEqual(f'{3.14!r:10.10}', '3.14      ')
-        self.assertEqual(f'{3.14!a:10.10}', '3.14      ')
+        self.assertEqual(f'{1.25!s:10.10}', '1.25      ')
+        self.assertEqual(f'{1.25!r:10.10}', '1.25      ')
+        self.assertEqual(f'{1.25!a:10.10}', '1.25      ')
 
         self.assertEqual(f'{"a"}', 'a')
         self.assertEqual(f'{"a"!r}', "'a'")
@@ -1347,7 +1347,7 @@ x = (
         # Conversions can have trailing whitespace after them since it
         # does not provide any significance
         self.assertEqual(f"{3!s  }", "3")
-        self.assertEqual(f'{3.14!s  :10.10}', '3.14      ')
+        self.assertEqual(f'{1.25!s  :10.10}', '1.25      ')
 
         # Not a conversion.
         self.assertEqual(f'{"a!r"}', "a!r")
diff --git a/Lib/test/test_json/test_tool.py b/Lib/test/test_json/test_tool.py
index 9ea2679..30f9bb3 100644
--- a/Lib/test/test_json/test_tool.py
+++ b/Lib/test/test_json/test_tool.py
@@ -270,7 +270,7 @@ class TestMain(unittest.TestCase):
             (r'" \"foo\" "', f'{t.string}" \\"foo\\" "{t.reset}'),
             ('"α"', f'{t.string}"\\u03b1"{t.reset}'),
             ('123', f'{t.number}123{t.reset}'),
-            ('-1.2345e+23', f'{t.number}-1.2345e+23{t.reset}'),
+            ('-1.25e+23', f'{t.number}-1.25e+23{t.reset}'),
             (r'{"\\": ""}',
              f'''\
 {ob}
diff --git a/Lib/test/test_optparse.py b/Lib/test/test_optparse.py
index e6ffd2b..e476e47 100644
--- a/Lib/test/test_optparse.py
+++ b/Lib/test/test_optparse.py
@@ -615,9 +615,9 @@ Options:
         self.parser.add_option(
             "-p", "--prob",
             help="blow up with probability PROB [default: %default]")
-        self.parser.set_defaults(prob=0.43)
+        self.parser.set_defaults(prob=0.25)
         expected_help = self.help_prefix + \
-            "  -p PROB, --prob=PROB  blow up with probability PROB [default: 0.43]\n"
+            "  -p PROB, --prob=PROB  blow up with probability PROB [default: 0.25]\n"
         self.assertHelp(self.parser, expected_help)
 
     def test_alt_expand(self):
diff --git a/Lib/test/test_peepholer.py b/Lib/test/test_peepholer.py
index a4868de..41b2e3a 100644
--- a/Lib/test/test_peepholer.py
+++ b/Lib/test/test_peepholer.py
@@ -718,9 +718,9 @@ class TestTranforms(BytecodeTestCase):
         self.assertEqual(format('x = %d!', 1234), 'x = 1234!')
         self.assertEqual(format('x = %x!', 1234), 'x = 4d2!')
         self.assertEqual(format('x = %f!', 1234), 'x = 1234.000000!')
-        self.assertEqual(format('x = %s!', 1234.5678901), 'x = 1234.5678901!')
-        self.assertEqual(format('x = %f!', 1234.5678901), 'x = 1234.567890!')
-        self.assertEqual(format('x = %d!', 1234.5678901), 'x = 1234!')
+        self.assertEqual(format('x = %s!', 1234.0000625), 'x = 1234.0000625!')
+        self.assertEqual(format('x = %f!', 1234.0000625), 'x = 1234.000063!')
+        self.assertEqual(format('x = %d!', 1234.0000625), 'x = 1234!')
         self.assertEqual(format('x = %s%% %%%%', 1234), 'x = 1234% %%')
         self.assertEqual(format('x = %s!', '%% %s'), 'x = %% %s!')
         self.assertEqual(format('x = %s, y = %d', 12, 34), 'x = 12, y = 34')
diff --git a/Lib/test/test_pprint.py b/Lib/test/test_pprint.py
index f68996f..403d2e9 100644
--- a/Lib/test/test_pprint.py
+++ b/Lib/test/test_pprint.py
@@ -380,7 +380,7 @@ class QueryTestCase(unittest.TestCase):
                 return super().__new__(Temperature, celsius_degrees)
             def __repr__(self):
                 kelvin_degrees = self + 273.15
-                return f"{kelvin_degrees}°K"
+                return f"{kelvin_degrees:.2f}°K"
         self.assertEqual(pprint.pformat(Temperature(1000)), '1273.15°K')
 
     def test_sorted_dict(self):
diff --git a/Lib/test/test_reprlib.py b/Lib/test/test_reprlib.py
index d5631ef..22a55b5 100644
--- a/Lib/test/test_reprlib.py
+++ b/Lib/test/test_reprlib.py
@@ -397,20 +397,20 @@ class ReprTests(unittest.TestCase):
                 'object': {
                     1: 'two',
                     b'three': [
-                        (4.5, 6.7),
+                        (4.5, 6.25),
                         [set((8, 9)), frozenset((10, 11))],
                     ],
                 },
                 'tests': (
                     (dict(indent=None), '''\
-                        {1: 'two', b'three': [(4.5, 6.7), [{8, 9}, frozenset({10, 11})]]}'''),
+                        {1: 'two', b'three': [(4.5, 6.25), [{8, 9}, frozenset({10, 11})]]}'''),
                     (dict(indent=False), '''\
                         {
                         1: 'two',
                         b'three': [
                         (
                         4.5,
-                        6.7,
+                        6.25,
                         ),
                         [
                         {
@@ -430,7 +430,7 @@ class ReprTests(unittest.TestCase):
                          b'three': [
                           (
                            4.5,
-                           6.7,
+                           6.25,
                           ),
                           [
                            {
@@ -450,7 +450,7 @@ class ReprTests(unittest.TestCase):
                         b'three': [
                         (
                         4.5,
-                        6.7,
+                        6.25,
                         ),
                         [
                         {
@@ -470,7 +470,7 @@ class ReprTests(unittest.TestCase):
                          b'three': [
                           (
                            4.5,
-                           6.7,
+                           6.25,
                           ),
                           [
                            {
@@ -490,7 +490,7 @@ class ReprTests(unittest.TestCase):
                             b'three': [
                                 (
                                     4.5,
-                                    6.7,
+                                    6.25,
                                 ),
                                 [
                                     {
@@ -518,7 +518,7 @@ class ReprTests(unittest.TestCase):
                         b'three': [
                         (
                         4.5,
-                        6.7,
+                        6.25,
                         ),
                         [
                         {
@@ -538,7 +538,7 @@ class ReprTests(unittest.TestCase):
                         -->b'three': [
                         -->-->(
                         -->-->-->4.5,
-                        -->-->-->6.7,
+                        -->-->-->6.25,
                         -->-->),
                         -->-->[
                         -->-->-->{
@@ -558,7 +558,7 @@ class ReprTests(unittest.TestCase):
                         ....b'three': [
                         ........(
                         ............4.5,
-                        ............6.7,
+                        ............6.25,
                         ........),
                         ........[
                         ............{
diff --git a/Lib/test/test_statistics.py b/Lib/test/test_statistics.py
index 0dd619d..8250b0a 100644
--- a/Lib/test/test_statistics.py
+++ b/Lib/test/test_statistics.py
@@ -3319,7 +3319,8 @@ class TestNormalDistC(unittest.TestCase, TestNormalDist):
 def load_tests(loader, tests, ignore):
     """Used for doctest/unittest integration."""
     tests.addTests(doctest.DocTestSuite())
-    tests.addTests(doctest.DocTestSuite(statistics))
+    if sys.float_repr_style == 'short':
+        tests.addTests(doctest.DocTestSuite(statistics))
     return tests
 
 
diff --git a/Lib/test/test_str.py b/Lib/test/test_str.py
index d6a7bd0..2584fbf 100644
--- a/Lib/test/test_str.py
+++ b/Lib/test/test_str.py
@@ -1231,10 +1231,10 @@ class StrTest(string_tests.StringLikeTest,
         self.assertEqual('{0:\x00^6}'.format(3), '\x00\x003\x00\x00\x00')
         self.assertEqual('{0:<6}'.format(3), '3     ')
 
-        self.assertEqual('{0:\x00<6}'.format(3.14), '3.14\x00\x00')
-        self.assertEqual('{0:\x01<6}'.format(3.14), '3.14\x01\x01')
-        self.assertEqual('{0:\x00^6}'.format(3.14), '\x003.14\x00')
-        self.assertEqual('{0:^6}'.format(3.14), ' 3.14 ')
+        self.assertEqual('{0:\x00<6}'.format(3.25), '3.25\x00\x00')
+        self.assertEqual('{0:\x01<6}'.format(3.25), '3.25\x01\x01')
+        self.assertEqual('{0:\x00^6}'.format(3.25), '\x003.25\x00')
+        self.assertEqual('{0:^6}'.format(3.25), ' 3.25 ')
 
         self.assertEqual('{0:\x00<12}'.format(3+2.0j), '(3+2j)\x00\x00\x00\x00\x00\x00')
         self.assertEqual('{0:\x01<12}'.format(3+2.0j), '(3+2j)\x01\x01\x01\x01\x01\x01')
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index a117413..02592ea 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -517,8 +517,8 @@ class TypesTests(unittest.TestCase):
         # and a number after the decimal.  This is tricky, because
         # a totally empty format specifier means something else.
         # So, just use a sign flag
-        test(1e200, '+g', '+1e+200')
-        test(1e200, '+', '+1e+200')
+        test(1.25e200, '+g', '+1.25e+200')
+        test(1.25e200, '+', '+1.25e+200')
 
         test(1.1e200, '+g', '+1.1e+200')
         test(1.1e200, '+', '+1.1e+200')