134 lines
3.9 KiB
Go
134 lines
3.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package api_test
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import (
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"encoding/hex"
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"math/rand"
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"testing"
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"github.com/gogo/protobuf/proto"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/testapi"
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apitesting "k8s.io/kubernetes/pkg/api/testing"
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"k8s.io/kubernetes/pkg/api/unversioned"
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"k8s.io/kubernetes/pkg/api/v1"
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_ "k8s.io/kubernetes/pkg/apis/extensions"
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_ "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/runtime/serializer/protobuf"
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"k8s.io/kubernetes/pkg/util/diff"
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)
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func init() {
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codecsToTest = append(codecsToTest, func(version unversioned.GroupVersion, item runtime.Object) (runtime.Codec, error) {
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s := protobuf.NewSerializer(api.Scheme, runtime.ObjectTyperToTyper(api.Scheme), "application/arbitrary.content.type")
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return api.Codecs.CodecForVersions(s, testapi.ExternalGroupVersions(), nil), nil
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})
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}
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func TestProtobufRoundTrip(t *testing.T) {
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obj := &v1.Pod{}
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apitesting.FuzzerFor(t, v1.SchemeGroupVersion, rand.NewSource(benchmarkSeed)).Fuzz(obj)
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data, err := obj.Marshal()
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if err != nil {
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t.Fatal(err)
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}
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out := &v1.Pod{}
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if err := out.Unmarshal(data); err != nil {
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t.Fatal(err)
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}
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if !api.Semantic.Equalities.DeepEqual(out, obj) {
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t.Logf("marshal\n%s", hex.Dump(data))
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t.Fatalf("Unmarshal is unequal\n%s", diff.ObjectGoPrintSideBySide(out, obj))
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}
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}
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// BenchmarkEncodeCodec measures the cost of performing a codec encode, which includes
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// reflection (to clear APIVersion and Kind)
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func BenchmarkEncodeCodecProtobuf(b *testing.B) {
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items := benchmarkItems()
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width := len(items)
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s := protobuf.NewSerializer(nil, nil, "application/arbitrary.content.type")
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if _, err := runtime.Encode(s, &items[i%width]); err != nil {
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b.Fatal(err)
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}
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}
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b.StopTimer()
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}
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// BenchmarkEncodeCodecFromInternalProtobuf measures the cost of performing a codec encode,
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// including conversions and any type setting. This is a "full" encode.
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func BenchmarkEncodeCodecFromInternalProtobuf(b *testing.B) {
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items := benchmarkItems()
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width := len(items)
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encodable := make([]api.Pod, width)
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for i := range items {
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if err := api.Scheme.Convert(&items[i], &encodable[i]); err != nil {
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b.Fatal(err)
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}
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}
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s := protobuf.NewSerializer(nil, nil, "application/arbitrary.content.type")
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codec := api.Codecs.EncoderForVersion(s, v1.SchemeGroupVersion)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if _, err := runtime.Encode(codec, &encodable[i%width]); err != nil {
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b.Fatal(err)
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}
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}
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b.StopTimer()
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}
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func BenchmarkEncodeProtobufGeneratedMarshal(b *testing.B) {
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items := benchmarkItems()
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width := len(items)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if _, err := items[i%width].Marshal(); err != nil {
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b.Fatal(err)
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}
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}
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b.StopTimer()
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}
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// BenchmarkDecodeJSON provides a baseline for regular JSON decode performance
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func BenchmarkDecodeIntoProtobuf(b *testing.B) {
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items := benchmarkItems()
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width := len(items)
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encoded := make([][]byte, width)
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for i := range items {
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data, err := (&items[i]).Marshal()
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if err != nil {
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b.Fatal(err)
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}
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encoded[i] = data
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validate := &v1.Pod{}
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if err := proto.Unmarshal(data, validate); err != nil {
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b.Fatalf("Failed to unmarshal %d: %v\n%#v", i, err, items[i])
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}
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}
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for i := 0; i < b.N; i++ {
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obj := v1.Pod{}
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if err := proto.Unmarshal(encoded[i%width], &obj); err != nil {
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b.Fatal(err)
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}
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}
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}
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