[3.13] Add some more edge-case tests for `inspect.get_annotations` with `eval_str=True` (GH-120550) (#120551)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

Lib/test/test_inspect/inspect_stringized_annotations_pep695.py

@@ -45,6 +45,13 @@ class D:
     def generic_method_2[Eggs, **Spam](self, x: Eggs, y: Spam): pass
 
 
+# Eggs is `int` in globals, a TypeVar in type_params, and `str` in locals:
+class E[Eggs]:
+    Eggs = str
+    x: Eggs
+
+
+
 def nested():
     from types import SimpleNamespace
     from inspect import get_annotations
@@ -53,7 +60,7 @@ def nested():
     Spam = memoryview
 
 
-    class E[Eggs, **Spam]:
+    class F[Eggs, **Spam]:
         x: Eggs
         y: Spam
 
@@ -63,10 +70,18 @@ def nested():
     def generic_function[Eggs, **Spam](x: Eggs, y: Spam): pass
 
 
+    # Eggs is `int` in globals, `bytes` in the function scope,
+    # a TypeVar in the type_params, and `str` in locals:
+    class G[Eggs]:
+        Eggs = str
+        x: Eggs
+
+
     return SimpleNamespace(
-        E=E,
-        E_annotations=get_annotations(E, eval_str=True),
-        E_meth_annotations=get_annotations(E.generic_method, eval_str=True),
+        F=F,
+        F_annotations=get_annotations(F, eval_str=True),
+        F_meth_annotations=get_annotations(F.generic_method, eval_str=True),
+        G_annotations=get_annotations(G, eval_str=True),
         generic_func=generic_function,
         generic_func_annotations=get_annotations(generic_function, eval_str=True)
     )

Lib/test/test_inspect/test_inspect.py

@@ -1770,26 +1770,36 @@ class TestClassesAndFunctions(unittest.TestCase):
             )
         )
 
+    def test_pep_695_generic_method_with_future_annotations_name_clash_with_global_and_local_vars(self):
+        self.assertEqual(
+            inspect.get_annotations(
+                inspect_stringized_annotations_pep695.E, eval_str=True
+            ),
+            {"x": str},
+        )
+
     def test_pep_695_generics_with_future_annotations_nested_in_function(self):
         results = inspect_stringized_annotations_pep695.nested()
 
         self.assertEqual(
-            set(results.E_annotations.values()),
-            set(results.E.__type_params__)
+            set(results.F_annotations.values()),
+            set(results.F.__type_params__)
         )
         self.assertEqual(
-            set(results.E_meth_annotations.values()),
-            set(results.E.generic_method.__type_params__)
+            set(results.F_meth_annotations.values()),
+            set(results.F.generic_method.__type_params__)
         )
         self.assertNotEqual(
-            set(results.E_meth_annotations.values()),
-            set(results.E.__type_params__)
+            set(results.F_meth_annotations.values()),
+            set(results.F.__type_params__)
         )
         self.assertEqual(
-            set(results.E_meth_annotations.values()).intersection(results.E.__type_params__),
+            set(results.F_meth_annotations.values()).intersection(results.F.__type_params__),
             set()
         )
 
+        self.assertEqual(results.G_annotations, {"x": str})
+
         self.assertEqual(
             set(results.generic_func_annotations.values()),
             set(results.generic_func.__type_params__)