Update apiextensions-apiserver dependency manually (temporally)

vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/fuzzer/fuzzer.go

@@ -0,0 +1,111 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package fuzzer
+
+import (
+	"reflect"
+	"strings"
+
+	"github.com/google/gofuzz"
+
+	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
+	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
+)
+
+// Funcs returns the fuzzer functions for the apiextensions apis.
+func Funcs(codecs runtimeserializer.CodecFactory) []interface{} {
+	return []interface{}{
+		func(obj *apiextensions.CustomResourceDefinitionSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(obj)
+
+			// match our defaulter
+			if len(obj.Scope) == 0 {
+				obj.Scope = apiextensions.NamespaceScoped
+			}
+			if len(obj.Names.Singular) == 0 {
+				obj.Names.Singular = strings.ToLower(obj.Names.Kind)
+			}
+			if len(obj.Names.ListKind) == 0 && len(obj.Names.Kind) > 0 {
+				obj.Names.ListKind = obj.Names.Kind + "List"
+			}
+		},
+		func(obj *apiextensions.JSONSchemaProps, c fuzz.Continue) {
+			// we cannot use c.FuzzNoCustom because of the interface{} fields. So let's loop with reflection.
+			vobj := reflect.ValueOf(obj).Elem()
+			tobj := reflect.TypeOf(obj).Elem()
+			for i := 0; i < tobj.NumField(); i++ {
+				field := tobj.Field(i)
+				switch field.Name {
+				case "Default", "Enum", "Example", "Ref":
+					continue
+				default:
+					isValue := true
+					switch field.Type.Kind() {
+					case reflect.Interface, reflect.Map, reflect.Slice, reflect.Ptr:
+						isValue = false
+					}
+					if isValue || c.Intn(10) == 0 {
+						c.Fuzz(vobj.Field(i).Addr().Interface())
+					}
+				}
+			}
+			if c.RandBool() {
+				validJSON := apiextensions.JSON(`{"some": {"json": "test"}, "string": 42}`)
+				obj.Default = &validJSON
+			}
+			if c.RandBool() {
+				obj.Enum = []apiextensions.JSON{c.Float64(), c.RandString(), c.RandBool()}
+			}
+			if c.RandBool() {
+				validJSON := apiextensions.JSON(`"foobarbaz"`)
+				obj.Example = &validJSON
+			}
+			if c.RandBool() {
+				validRef := "validRef"
+				obj.Ref = &validRef
+			}
+		},
+		func(obj *apiextensions.JSONSchemaPropsOrBool, c fuzz.Continue) {
+			if c.RandBool() {
+				obj.Schema = &apiextensions.JSONSchemaProps{}
+				c.Fuzz(obj.Schema)
+			} else {
+				obj.Allows = c.RandBool()
+			}
+		},
+		func(obj *apiextensions.JSONSchemaPropsOrArray, c fuzz.Continue) {
+			// disallow both Schema and JSONSchemas to be nil.
+			if c.RandBool() {
+				obj.Schema = &apiextensions.JSONSchemaProps{}
+				c.Fuzz(obj.Schema)
+			} else {
+				obj.JSONSchemas = make([]apiextensions.JSONSchemaProps, c.Intn(3)+1)
+				for i := range obj.JSONSchemas {
+					c.Fuzz(&obj.JSONSchemas[i])
+				}
+			}
+		},
+		func(obj *apiextensions.JSONSchemaPropsOrStringArray, c fuzz.Continue) {
+			if c.RandBool() {
+				obj.Schema = &apiextensions.JSONSchemaProps{}
+				c.Fuzz(obj.Schema)
+			} else {
+				c.Fuzz(&obj.Property)
+			}
+		},
+	}
+}