fix issues with introspection schemas and KnownTypeName

bump 0.0.11

Author: dotansimha

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "graphql-tools"
-version = "0.0.10"
+version = "0.0.11"
 edition = "2021"
 description = "Tools for working with GraphQL in Rust, based on graphql-parser Document."
 license = "MIT/Apache-2.0"

Cargo.toml

@@ -26,10 +26,12 @@ impl<'a> TypeInfoQueryVisitor<ValidationErrorContext<'a>> for KnownTypeNames {
             .ctx
             .find_schema_definition_by_name(fragment_type_name.clone())
         {
-            _visitor_context.errors.push(ValidationError {
-                locations: vec![_node.position],
-                message: format!("Unknown type \"{}\".", fragment_type_name),
-            });
+            if !fragment_type_name.starts_with("__") {
+                _visitor_context.errors.push(ValidationError {
+                    locations: vec![_node.position],
+                    message: format!("Unknown type \"{}\".", fragment_type_name),
+                });
+            }
         }
     }
 
@@ -44,10 +46,12 @@ impl<'a> TypeInfoQueryVisitor<ValidationErrorContext<'a>> for KnownTypeNames {
                 .ctx
                 .find_schema_definition_by_name(fragment_type_name.clone())
             {
-                _visitor_context.errors.push(ValidationError {
-                    locations: vec![_node.position],
-                    message: format!("Unknown type \"{}\".", fragment_type_name),
-                });
+                if !fragment_type_name.starts_with("__") {
+                    _visitor_context.errors.push(ValidationError {
+                        locations: vec![_node.position],
+                        message: format!("Unknown type \"{}\".", fragment_type_name),
+                    });
+                }
             }
         }
     }
@@ -65,10 +69,12 @@ impl<'a> TypeInfoQueryVisitor<ValidationErrorContext<'a>> for KnownTypeNames {
             .ctx
             .find_schema_definition_by_name(base_type.clone())
         {
-            _visitor_context.errors.push(ValidationError {
-                locations: vec![_node.position],
-                message: format!("Unknown type \"{}\".", base_type),
-            });
+            if !base_type.starts_with("__") {
+                _visitor_context.errors.push(ValidationError {
+                    locations: vec![_node.position],
+                    message: format!("Unknown type \"{}\".", base_type),
+                });
+            }
         }
     }
 }