diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/runtime/codec_check.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/runtime/codec_check.go | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/codec_check.go b/vendor/k8s.io/apimachinery/pkg/runtime/codec_check.go new file mode 100644 index 000000000..510444a4d --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/runtime/codec_check.go @@ -0,0 +1,48 @@ +/* +Copyright 2016 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 runtime + +import ( + "fmt" + "reflect" + + "k8s.io/apimachinery/pkg/runtime/schema" +) + +// CheckCodec makes sure that the codec can encode objects like internalType, +// decode all of the external types listed, and also decode them into the given +// object. (Will modify internalObject.) (Assumes JSON serialization.) +// TODO: verify that the correct external version is chosen on encode... +func CheckCodec(c Codec, internalType Object, externalTypes ...schema.GroupVersionKind) error { + if _, err := Encode(c, internalType); err != nil { + return fmt.Errorf("Internal type not encodable: %v", err) + } + for _, et := range externalTypes { + exBytes := []byte(fmt.Sprintf(`{"kind":"%v","apiVersion":"%v"}`, et.Kind, et.GroupVersion().String())) + obj, err := Decode(c, exBytes) + if err != nil { + return fmt.Errorf("external type %s not interpretable: %v", et, err) + } + if reflect.TypeOf(obj) != reflect.TypeOf(internalType) { + return fmt.Errorf("decode of external type %s produced: %#v", et, obj) + } + if err = DecodeInto(c, exBytes, internalType); err != nil { + return fmt.Errorf("external type %s not convertible to internal type: %v", et, err) + } + } + return nil +} |