From 7da95f4a932a8ce4dae85f7b8924294d041f55d9 Mon Sep 17 00:00:00 2001
From: Richard Musiol <mail@richard-musiol.de>
Date: Fri, 21 Oct 2016 13:09:22 +0200
Subject: [PATCH] introspection: enum values

---
 graphql_test.go                | 32 ++++++++++++++++++++++++++++++++
 internal/exec/introspection.go | 14 ++++++++++++--
 2 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/graphql_test.go b/graphql_test.go
index aa67e62168f..9ed945242fd 100644
--- a/graphql_test.go
+++ b/graphql_test.go
@@ -745,6 +745,38 @@ var tests = []struct {
 			}
 		`,
 	},
+
+	{
+		name:     "StarWarsIntrospection5",
+		schema:   starwars.Schema,
+		resolver: &starwars.Resolver{},
+		query: `
+			{
+				__type(name: "Episode") {
+					enumValues {
+						name
+					}
+				}
+			}
+		`,
+		result: `
+			{
+				"__type": {
+					"enumValues": [
+						{
+							"name": "NEWHOPE"
+						},
+						{
+							"name": "EMPIRE"
+						},
+						{
+							"name": "JEDI"
+						}
+					]
+				}
+			}
+		`,
+	},
 }
 
 func TestAll(t *testing.T) {
diff --git a/internal/exec/introspection.go b/internal/exec/introspection.go
index 12c88e5fb6f..07a2282df53 100644
--- a/internal/exec/introspection.go
+++ b/internal/exec/introspection.go
@@ -251,7 +251,16 @@ func (r *typeResolver) PossibleTypes() []*typeResolver {
 }
 
 func (r *typeResolver) EnumValues(args struct{ IncludeDeprecated bool }) []*enumValueResolver {
-	panic("TODO")
+	t, ok := r.typ.(*schema.Enum)
+	if !ok {
+		return nil
+	}
+
+	l := make([]*enumValueResolver, len(t.Values))
+	for i, v := range t.Values {
+		l[i] = &enumValueResolver{v}
+	}
+	return l
 }
 
 func (r *typeResolver) InputFields() []*inputValueResolver {
@@ -319,10 +328,11 @@ func (r *inputValueResolver) DefaultValue() *string {
 }
 
 type enumValueResolver struct {
+	value string
 }
 
 func (r *enumValueResolver) Name() string {
-	panic("TODO")
+	return r.value
 }
 
 func (r *enumValueResolver) Description() string {