Add vendor folder to git

vendor/k8s.io/apimachinery/pkg/api/testing/fuzzer.go

@@ -0,0 +1,174 @@
+/*
+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 testing
+
+import (
+	"math/rand"
+	"reflect"
+	"strconv"
+	"testing"
+
+	"github.com/google/gofuzz"
+
+	"k8s.io/apimachinery/pkg/api/resource"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	"k8s.io/apimachinery/pkg/types"
+)
+
+func GenericFuzzerFuncs(t TestingCommon, codecs runtimeserializer.CodecFactory) []interface{} {
+	return []interface{}{
+		func(q *resource.Quantity, c fuzz.Continue) {
+			*q = *resource.NewQuantity(c.Int63n(1000), resource.DecimalExponent)
+		},
+		func(j *int, c fuzz.Continue) {
+			*j = int(c.Int31())
+		},
+		func(j **int, c fuzz.Continue) {
+			if c.RandBool() {
+				i := int(c.Int31())
+				*j = &i
+			} else {
+				*j = nil
+			}
+		},
+		func(j *runtime.TypeMeta, c fuzz.Continue) {
+			// We have to customize the randomization of TypeMetas because their
+			// APIVersion and Kind must remain blank in memory.
+			j.APIVersion = ""
+			j.Kind = ""
+		},
+		func(j *metav1.TypeMeta, c fuzz.Continue) {
+			// We have to customize the randomization of TypeMetas because their
+			// APIVersion and Kind must remain blank in memory.
+			j.APIVersion = ""
+			j.Kind = ""
+		},
+		func(j *metav1.ObjectMeta, c fuzz.Continue) {
+			j.Name = c.RandString()
+			j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
+			j.SelfLink = c.RandString()
+			j.UID = types.UID(c.RandString())
+			j.GenerateName = c.RandString()
+
+			var sec, nsec int64
+			c.Fuzz(&sec)
+			c.Fuzz(&nsec)
+			j.CreationTimestamp = metav1.Unix(sec, nsec).Rfc3339Copy()
+		},
+		func(j *metav1.ListMeta, c fuzz.Continue) {
+			j.ResourceVersion = strconv.FormatUint(c.RandUint64(), 10)
+			j.SelfLink = c.RandString()
+		},
+		func(j *runtime.Object, c fuzz.Continue) {
+			// TODO: uncomment when round trip starts from a versioned object
+			if true { //c.RandBool() {
+				*j = &runtime.Unknown{
+					// We do not set TypeMeta here because it is not carried through a round trip
+					Raw:         []byte(`{"apiVersion":"unknown.group/unknown","kind":"Something","someKey":"someValue"}`),
+					ContentType: runtime.ContentTypeJSON,
+				}
+			} else {
+				types := []runtime.Object{&metav1.Status{}, &metav1.APIGroup{}}
+				t := types[c.Rand.Intn(len(types))]
+				c.Fuzz(t)
+				*j = t
+			}
+		},
+		func(r *runtime.RawExtension, c fuzz.Continue) {
+			// Pick an arbitrary type and fuzz it
+			types := []runtime.Object{&metav1.Status{}, &metav1.APIGroup{}}
+			obj := types[c.Rand.Intn(len(types))]
+			c.Fuzz(obj)
+
+			// Find a codec for converting the object to raw bytes.  This is necessary for the
+			// api version and kind to be correctly set be serialization.
+			var codec = TestCodec(codecs, metav1.SchemeGroupVersion)
+
+			// Convert the object to raw bytes
+			bytes, err := runtime.Encode(codec, obj)
+			if err != nil {
+				t.Errorf("Failed to encode object: %v", err)
+				return
+			}
+
+			// Set the bytes field on the RawExtension
+			r.Raw = bytes
+		},
+	}
+}
+
+// TestingCommon abstracts testing.T and testing.B
+type TestingCommon interface {
+	Log(args ...interface{})
+	Logf(format string, args ...interface{})
+	Error(args ...interface{})
+	Errorf(format string, args ...interface{})
+	Fatal(args ...interface{})
+	Fatalf(format string, args ...interface{})
+}
+
+var (
+	_ TestingCommon = &testing.T{}
+	_ TestingCommon = &testing.B{}
+)
+
+// FuzzerFor can randomly populate api objects that are destined for version.
+func FuzzerFor(funcs []interface{}, src rand.Source) *fuzz.Fuzzer {
+	f := fuzz.New().NilChance(.5).NumElements(0, 1)
+	if src != nil {
+		f.RandSource(src)
+	}
+	f.Funcs(funcs...)
+	return f
+}
+
+// MergeFuzzerFuncs will merge the given funcLists, overriding early funcs with later ones if there first
+// argument has the same type.
+func MergeFuzzerFuncs(t TestingCommon, funcLists ...[]interface{}) []interface{} {
+	funcMap := map[string]interface{}{}
+	for _, list := range funcLists {
+		for _, f := range list {
+			fT := reflect.TypeOf(f)
+			if fT.Kind() != reflect.Func || fT.NumIn() != 2 {
+				t.Errorf("Fuzzer func with invalid type: %v", fT)
+				continue
+			}
+			funcMap[fT.In(0).String()] = f
+		}
+	}
+
+	result := []interface{}{}
+	for _, f := range funcMap {
+		result = append(result, f)
+	}
+	return result
+}
+
+func DefaultFuzzers(t TestingCommon, codecFactory runtimeserializer.CodecFactory, fuzzerFuncs []interface{}) *fuzz.Fuzzer {
+	seed := rand.Int63()
+
+	return FuzzerFor(
+		MergeFuzzerFuncs(t,
+			GenericFuzzerFuncs(t, codecFactory),
+			fuzzerFuncs,
+		),
+		rand.NewSource(seed),
+	)
+
+}