(fix) get_specialized_type_var_map: generic passthrough

Author: alexey-pelykh

tests/python_312/test_inspect.py

@@ -91,6 +91,22 @@ class BinSubclass(Bin): ...
     assert get_specialized_type_var_map(Bin) == {"_T": int}
 
 
+def test_get_specialized_type_var_map_double_generic_passthrough():
+    @strawberry.type
+    class Foo[_T]: ...
+
+    @strawberry.type
+    class Bar[_K](Foo[_K]): ...
+
+    @strawberry.type
+    class Bin(Bar[int]): ...
+
+    assert get_specialized_type_var_map(Bin) == {
+        "_T": int,
+        "_K": int,
+    }
+
+
 def test_get_specialized_type_var_map_multiple_inheritance():
     @strawberry.type
     class Foo[_T]: ...

tests/utils/test_inspect.py

@@ -94,6 +94,22 @@ class BinSubclass(Bin): ...
     assert get_specialized_type_var_map(Bin) == {"_T": int}
 
 
+def test_get_specialized_type_var_map_double_generic_passthrough():
+    @strawberry.type
+    class Foo(Generic[_T]): ...
+
+    @strawberry.type
+    class Bar(Foo[_K], Generic[_K]): ...
+
+    @strawberry.type
+    class Bin(Bar[int]): ...
+
+    assert get_specialized_type_var_map(Bin) == {
+        "_T": int,
+        "_K": int,
+    }
+
+
 def test_get_specialized_type_var_map_multiple_inheritance():
     @strawberry.type
     class Foo(Generic[_T]): ...