133 lines
3.8 KiB
Go
133 lines
3.8 KiB
Go
/*
|
|
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 (
|
|
"strconv"
|
|
"math/rand"
|
|
"testing"
|
|
|
|
"github.com/google/gofuzz"
|
|
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
)
|
|
|
|
func GenericFuzzerFuncs(t TestingCommon) []interface{} {
|
|
return []interface{}{
|
|
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 = Codec(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
|
|
}
|