Fix following refs to non-openapi3 root documents (but that are sub-documents)

.gitignore

@@ -18,4 +18,3 @@
 
  # IntelliJ / GoLand
 .idea
-

openapi3/callback.go

@@ -13,7 +13,7 @@ var _ jsonpointer.JSONPointable = (*Callbacks)(nil)
 
 func (c Callbacks) JSONLookup(token string) (interface{}, error) {
 	ref, ok := c[token]
-	if ref == nil || ok == false {
+	if ref == nil || !ok {
 		return nil, fmt.Errorf("object has no field %q", token)
 	}
 

openapi3/examples.go

@@ -13,7 +13,7 @@ var _ jsonpointer.JSONPointable = (*Examples)(nil)
 
 func (e Examples) JSONLookup(token string) (interface{}, error) {
 	ref, ok := e[token]
-	if ref == nil || ok == false {
+	if ref == nil || !ok {
 		return nil, fmt.Errorf("object has no field %q", token)
 	}
 

openapi3/header.go

@@ -14,7 +14,7 @@ var _ jsonpointer.JSONPointable = (*Headers)(nil)
 
 func (h Headers) JSONLookup(token string) (interface{}, error) {
 	ref, ok := h[token]
-	if ref == nil || ok == false {
+	if ref == nil || !ok {
 		return nil, fmt.Errorf("object has no field %q", token)
 	}
 

openapi3/issue344_test.go

@@ -0,0 +1,20 @@
+package openapi3
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIssue344(t *testing.T) {
+	sl := NewSwaggerLoader()
+	sl.IsExternalRefsAllowed = true
+
+	doc, err := sl.LoadSwaggerFromFile("testdata/spec.yaml")
+	require.NoError(t, err)
+
+	err = doc.Validate(sl.Context)
+	require.NoError(t, err)
+
+	require.Equal(t, "string", doc.Components.Schemas["Test"].Value.Properties["test"].Value.Properties["name"].Value.Type)
+}

openapi3/schema.go

@@ -1266,7 +1266,7 @@ func (schema *Schema) visitJSONArray(settings *schemaValidationSettings, value [
 			Value:       value,
 			Schema:      schema,
 			SchemaField: "uniqueItems",
-			Reason:      fmt.Sprintf("duplicate items found"),
+			Reason:      "duplicate items found",
 		}
 		if !settings.multiError {
 			return err