kubernetes convert_test 源码
kubernetes convert_test 代码
文件路径：/staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/schema/convert_test.go
/*
Copyright 2019 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 schema
import (
"math/rand"
"reflect"
"testing"
"time"
fuzz "github.com/google/gofuzz"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
"k8s.io/apimachinery/pkg/util/diff"
"k8s.io/apimachinery/pkg/util/json"
)
func TestStructuralRoundtripOrError(t *testing.T) {
f := fuzz.New()
seed := time.Now().UnixNano()
t.Logf("seed = %v", seed)
//seed = int64(1549012506261785182)
f.RandSource(rand.New(rand.NewSource(seed)))
f.Funcs(
func(s *apiextensions.JSON, c fuzz.Continue) {
*s = apiextensions.JSON(map[string]interface{}{"foo": float64(42.2)})
},
func(s *apiextensions.JSONSchemaPropsOrArray, c fuzz.Continue) {
c.FuzzNoCustom(s)
if s.Schema != nil {
s.JSONSchemas = nil
} else if s.JSONSchemas == nil {
s.Schema = &apiextensions.JSONSchemaProps{}
}
},
func(s *apiextensions.JSONSchemaPropsOrBool, c fuzz.Continue) {
c.FuzzNoCustom(s)
if s.Schema != nil {
s.Allows = false
}
},
func(s **string, c fuzz.Continue) {
c.FuzzNoCustom(s)
if *s != nil && **s == "" {
*s = nil
}
},
)
f.MaxDepth(2)
f.NilChance(0.5)
for i := 0; i < 10000; i++ {
// fuzz a random field in JSONSchemaProps
origSchema := &apiextensions.JSONSchemaProps{}
x := reflect.ValueOf(origSchema).Elem()
n := rand.Intn(x.NumField())
if name := x.Type().Field(n).Name; name == "Example" || name == "ExternalDocs" {
// we drop these intentionally
continue
}
f.Fuzz(x.Field(n).Addr().Interface())
// it roundtrips or NewStructural errors out. We should never drop anything
orig, err := NewStructural(origSchema)
if err != nil {
continue
}
// roundtrip through go-openapi, JSON, v1beta1 JSONSchemaProp, internal JSONSchemaProp
goOpenAPI := orig.ToKubeOpenAPI()
bs, err := json.Marshal(goOpenAPI)
if err != nil {
t.Fatal(err)
}
v1beta1Schema := &apiextensionsv1beta1.JSONSchemaProps{}
err = json.Unmarshal([]byte(bs), v1beta1Schema)
if err != nil {
t.Fatal(err)
}
internalSchema := &apiextensions.JSONSchemaProps{}
err = apiextensionsv1beta1.Convert_v1beta1_JSONSchemaProps_To_apiextensions_JSONSchemaProps(v1beta1Schema, internalSchema, nil)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(origSchema, internalSchema) {
t.Fatalf("original and result differ: %v", diff.ObjectDiff(origSchema, internalSchema))
}
}
}
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