From 34996f98a767191314fef6fe0b7a5b895c998b12 Mon Sep 17 00:00:00 2001
From: Checho3388 <ezequiel.grondona@gmail.com>
Date: Thu, 14 Mar 2024 14:20:00 -0300
Subject: [PATCH 1/3] test: Add UT for __typename evaluation

---
 tests/test_complexity_visitor.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/test_complexity_visitor.py b/tests/test_complexity_visitor.py
index b0249d6..0a0ed3e 100644
--- a/tests/test_complexity_visitor.py
+++ b/tests/test_complexity_visitor.py
@@ -24,6 +24,16 @@ def test_one_field_simple_complexity_calculation():
     assert complexity == 1
 
 
+def test_typename_has_zero_complexity():
+    query = """query {
+        __typename
+    }"""
+
+    complexity = _evaluate_complexity(query)
+
+    assert complexity == 0
+
+
 def test_two_fields_simple_complexity_calculation():
     query = """
         query Something {

From 6b563c0d7f5b21be4b51f9b9f6624fe1ec6abddb Mon Sep 17 00:00:00 2001
From: Checho3388 <ezequiel.grondona@gmail.com>
Date: Thu, 14 Mar 2024 15:01:50 -0300
Subject: [PATCH 2/3] fix: Add `__typename` condition in is_meta_type
 evaluation

---
 src/graphql_complexity/evaluator/nodes.py |  5 ++---
 src/graphql_complexity/evaluator/utils.py | 24 ++++++++++++++++++-----
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/src/graphql_complexity/evaluator/nodes.py b/src/graphql_complexity/evaluator/nodes.py
index 3e7b19f..86b7acd 100644
--- a/src/graphql_complexity/evaluator/nodes.py
+++ b/src/graphql_complexity/evaluator/nodes.py
@@ -10,7 +10,7 @@
 )
 
 from graphql_complexity.config import Config
-from graphql_complexity.evaluator.utils import get_node_argument_value
+from graphql_complexity.evaluator.utils import get_node_argument_value, is_meta_type
 
 logger = logging.getLogger(__name__)
 
@@ -107,8 +107,7 @@ def build_node(
 ) -> ComplexityNode:
     """Build a complexity node from a field node."""
     type_ = type_info.get_type()
-    unwrapped_type = get_named_type(type_)
-    if unwrapped_type is not None and is_introspection_type(unwrapped_type):
+    if is_meta_type(type_, node):
         return MetaField(name=node.name.value)
     if isinstance(type_, GraphQLList):
         return build_list_node(node, complexity, variables, config)
diff --git a/src/graphql_complexity/evaluator/utils.py b/src/graphql_complexity/evaluator/utils.py
index a066107..0e04b68 100644
--- a/src/graphql_complexity/evaluator/utils.py
+++ b/src/graphql_complexity/evaluator/utils.py
@@ -1,14 +1,17 @@
 from typing import Any
 
-from graphql import DirectiveNode, FieldNode, VariableNode
+from graphql import (
+    DirectiveNode,
+    FieldNode,
+    VariableNode,
+    get_named_type,
+    is_introspection_type,
+)
 
 
 def get_node_argument_value(node: FieldNode | DirectiveNode, arg_name: str, variables: dict[str, Any]) -> Any:
     """Returns the value of the argument given by parameter."""
-    arg = next(
-        (arg for arg in node.arguments if arg.name.value == arg_name),
-        None
-    )
+    arg = next((arg for arg in node.arguments if arg.name.value == arg_name), None)
     if not arg:
         raise ValueError(f"Value for {arg_name!r} not found in {node.name.value!r} arguments")
 
@@ -16,3 +19,14 @@ def get_node_argument_value(node: FieldNode | DirectiveNode, arg_name: str, vari
         return variables.get(arg.value.name.value)
 
     return arg.value.value
+
+
+def is_meta_type(type_, node) -> bool:
+    """Check if the field is a meta field."""
+    unwrapped_type = get_named_type(type_)
+    return any(
+        (
+            unwrapped_type is not None and is_introspection_type(unwrapped_type),
+            unwrapped_type is not None and node.name.value == "__typename",
+        )
+    )

From 751f3a731158978be49d3e71a8fcf67a3da35ddd Mon Sep 17 00:00:00 2001
From: Checho3388 <ezequiel.grondona@gmail.com>
Date: Thu, 14 Mar 2024 15:19:09 -0300
Subject: [PATCH 3/3] chore: Bump version to 0.3.2

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index a0353d2..d44b8e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "graphql_complexity"
-version = "0.3.1"
+version = "0.3.2"
 description = "A python library that provides complexity calculation helpers for GraphQL"
 authors = ["Checho3388 <ezequiel.grondona@gmail.com>"]
 packages = [