gh-84805: Autogenerate signature for METH_NOARGS and METH_O extension functions (GH-107794)

1 files changed, 50 insertions, 0 deletions

diff --git a/Lib/test/test_pydoc.py b/Lib/test/test_pydoc.py
index ddb5187..8df8b60 100644
--- a/Lib/test/test_pydoc.py
+++ b/Lib/test/test_pydoc.py
@@ -1,3 +1,4 @@
+import datetime
 import os
 import sys
 import contextlib
@@ -12,6 +13,7 @@ import re
 import stat
 import tempfile
 import test.support
+import time
 import types
 import typing
 import unittest
@@ -1180,6 +1182,54 @@ class TestDescriptions(unittest.TestCase):
         self.assertEqual(self._get_summary_line(os.stat),
             "stat(path, *, dir_fd=None, follow_symlinks=True)")
 
+    def test_module_level_callable_noargs(self):
+        self.assertEqual(self._get_summary_line(time.time),
+            "time()")
+
+    def test_module_level_callable_o(self):
+        self.assertEqual(self._get_summary_line(stat.S_IMODE),
+            "S_IMODE(object, /)")
+
+    def test_unbound_builtin_method_noargs(self):
+        self.assertEqual(self._get_summary_line(str.lower),
+            "lower(self, /)")
+
+    def test_bound_builtin_method_noargs(self):
+        self.assertEqual(self._get_summary_line(''.lower),
+            "lower() method of builtins.str instance")
+
+    def test_unbound_builtin_method_o(self):
+        self.assertEqual(self._get_summary_line(set.add),
+            "add(self, object, /)")
+
+    def test_bound_builtin_method_o(self):
+        self.assertEqual(self._get_summary_line(set().add),
+            "add(object, /) method of builtins.set instance")
+
+    def test_unbound_builtin_method_coexist_o(self):
+        self.assertEqual(self._get_summary_line(set.__contains__),
+            "__contains__(self, object, /)")
+
+    def test_bound_builtin_method_coexist_o(self):
+        self.assertEqual(self._get_summary_line(set().__contains__),
+            "__contains__(object, /) method of builtins.set instance")
+
+    def test_unbound_builtin_classmethod_noargs(self):
+        self.assertEqual(self._get_summary_line(datetime.datetime.__dict__['utcnow']),
+            "utcnow(type, /)")
+
+    def test_bound_builtin_classmethod_noargs(self):
+        self.assertEqual(self._get_summary_line(datetime.datetime.utcnow),
+            "utcnow() method of builtins.type instance")
+
+    def test_unbound_builtin_classmethod_o(self):
+        self.assertEqual(self._get_summary_line(dict.__dict__['__class_getitem__']),
+            "__class_getitem__(type, object, /)")
+
+    def test_bound_builtin_classmethod_o(self):
+        self.assertEqual(self._get_summary_line(dict.__class_getitem__),
+            "__class_getitem__(object, /) method of builtins.type instance")
+
     @requires_docstrings
     def test_staticmethod(self):
         class X: