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48 lines
1.7 KiB
48 lines
1.7 KiB
/* |
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Copyright 2016 The Kubernetes Authors. |
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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 runtime |
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import ( |
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"fmt" |
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"reflect" |
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"k8s.io/apimachinery/pkg/runtime/schema" |
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) |
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// CheckCodec makes sure that the codec can encode objects like internalType, |
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// decode all of the external types listed, and also decode them into the given |
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// object. (Will modify internalObject.) (Assumes JSON serialization.) |
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// TODO: verify that the correct external version is chosen on encode... |
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func CheckCodec(c Codec, internalType Object, externalTypes ...schema.GroupVersionKind) error { |
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if _, err := Encode(c, internalType); err != nil { |
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return fmt.Errorf("Internal type not encodable: %v", err) |
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} |
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for _, et := range externalTypes { |
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exBytes := []byte(fmt.Sprintf(`{"kind":"%v","apiVersion":"%v"}`, et.Kind, et.GroupVersion().String())) |
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obj, err := Decode(c, exBytes) |
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if err != nil { |
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return fmt.Errorf("external type %s not interpretable: %v", et, err) |
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} |
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if reflect.TypeOf(obj) != reflect.TypeOf(internalType) { |
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return fmt.Errorf("decode of external type %s produced: %#v", et, obj) |
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} |
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if err = DecodeInto(c, exBytes, internalType); err != nil { |
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return fmt.Errorf("external type %s not convertible to internal type: %v", et, err) |
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} |
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} |
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return nil |
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}
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