Remove deprecated type_info argument of validate() function

Replicates graphql/graphql-js@b4ad128

Author: Cito

src/graphql/validation/validate.py

@@ -2,7 +2,7 @@
 
 from ..error import GraphQLError
 from ..language import DocumentNode, ParallelVisitor, visit
-from ..pyutils import inspect, is_collection
+from ..pyutils import is_collection
 from ..type import GraphQLSchema, assert_valid_schema
 from ..utilities import TypeInfo, TypeInfoVisitor
 from .rules import ASTValidationRule
@@ -22,7 +22,6 @@ def validate(
     document_ast: DocumentNode,
     rules: Optional[Collection[Type[ASTValidationRule]]] = None,
     max_errors: Optional[int] = None,
-    type_info: Optional[TypeInfo] = None,
 ) -> List[GraphQLError]:
     """Implements the "Validation" section of the spec.
 
@@ -39,8 +38,6 @@ def validate(
     Validate will stop validation after a ``max_errors`` limit has been reached.
     Attackers can send pathologically invalid queries to induce a DoS attack,
     so by default ``max_errors`` set to 100 errors.
-
-    Providing a custom TypeInfo instance is deprecated and will be removed in v3.3.
     """
     if not document_ast or not isinstance(document_ast, DocumentNode):
         raise TypeError("Must provide document.")
@@ -50,10 +47,6 @@ def validate(
         max_errors = 100
     elif not isinstance(max_errors, int):
         raise TypeError("The maximum number of errors must be passed as an int.")
-    if type_info is None:
-        type_info = TypeInfo(schema)
-    elif not isinstance(type_info, TypeInfo):
-        raise TypeError(f"Not a TypeInfo object: {inspect(type_info)}.")
     if rules is None:
         rules = specified_rules
     elif not is_collection(rules) or not all(
@@ -76,6 +69,7 @@ def on_error(error: GraphQLError) -> None:
             raise ValidationAbortedError
         errors.append(error)
 
+    type_info = TypeInfo(schema)
     context = ValidationContext(schema, document_ast, type_info, on_error)
 
     # This uses a specialized visitor which runs multiple visitors in parallel,

tests/validation/test_validation.py

@@ -2,7 +2,7 @@
 
 from graphql.error import GraphQLError
 from graphql.language import parse
-from graphql.utilities import TypeInfo, build_schema
+from graphql.utilities import build_schema
 from graphql.validation import ValidationRule, validate
 
 from .harness import test_schema
@@ -15,14 +15,6 @@ def rejects_invalid_documents():
             assert validate(test_schema, None)  # type: ignore
         assert str(exc_info.value) == "Must provide document."
 
-    def rejects_invalid_type_info():
-        with raises(TypeError) as exc_info:
-            # noinspection PyTypeChecker
-            assert validate(
-                test_schema, parse("query { name }"), type_info={}  # type: ignore
-            )
-        assert str(exc_info.value) == "Not a TypeInfo object: {}."
-
     def rejects_invalid_rules():
         with raises(TypeError) as exc_info:
             # noinspection PyTypeChecker
@@ -80,37 +72,6 @@ def detects_unknown_fields():
             {"message": "Cannot query field 'unknown' on type 'QueryRoot'."}
         ]
 
-    def deprecated_validates_using_a_custom_type_info():
-        # This TypeInfo will never return a valid field.
-        type_info = TypeInfo(test_schema, None, lambda *args: None)
-
-        doc = parse(
-            """
-            query {
-              human {
-                pets {
-                  ... on Cat {
-                    meowsVolume
-                  }
-                  ... on Dog {
-                    barkVolume
-                  }
-                }
-              }
-            }
-            """
-        )
-
-        errors = validate(test_schema, doc, None, None, type_info)
-
-        assert [error.message for error in errors] == [
-            "Cannot query field 'human' on type 'QueryRoot'. Did you mean 'human'?",
-            "Cannot query field 'meowsVolume' on type 'Cat'."
-            " Did you mean 'meowsVolume'?",
-            "Cannot query field 'barkVolume' on type 'Dog'."
-            " Did you mean 'barkVolume'?",
-        ]
-
     def validates_using_a_custom_rule():
         schema = build_schema(
             """