mirror of https://github.com/k3s-io/k3s
88 lines
2.7 KiB
Go
88 lines
2.7 KiB
Go
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/*
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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 runtime_test
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import (
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"bufio"
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1"
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_ "github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta3"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
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"github.com/golang/glog"
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)
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func generateDeepCopies(t *testing.T, version string) bytes.Buffer {
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g := runtime.NewDeepCopyGenerator(api.Scheme.Raw())
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g.OverwritePackage(version, "")
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testedVersion := version
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if version == "api" {
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testedVersion = api.Scheme.Raw().InternalVersion
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}
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for _, knownType := range api.Scheme.KnownTypes(testedVersion) {
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if err := g.AddType(knownType); err != nil {
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glog.Errorf("error while generating deep-copy functions for %v: %v", knownType, err)
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}
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}
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var functions bytes.Buffer
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functionsWriter := bufio.NewWriter(&functions)
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if err := g.WriteImports(functionsWriter, version); err != nil {
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t.Fatalf("couldn't generate deep-copy function imports: %v", err)
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}
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if err := g.WriteDeepCopyFunctions(functionsWriter); err != nil {
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t.Fatalf("couldn't generate deep-copy functions: %v", err)
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}
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if err := g.RegisterDeepCopyFunctions(functionsWriter, version); err != nil {
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t.Fatalf("couldn't generate deep-copy function names: %v", err)
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}
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if err := functionsWriter.Flush(); err != nil {
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t.Fatalf("error while flushing writer")
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}
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return functions
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}
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func TestNoManualChangesToGenerateDeepCopies(t *testing.T) {
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versions := []string{"api", "v1beta3", "v1"}
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for _, version := range versions {
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fileName := ""
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if version == "api" {
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fileName = "../../pkg/api/deep_copy_generated.go"
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} else {
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fileName = fmt.Sprintf("../../pkg/api/%s/deep_copy_generated.go", version)
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}
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existingFunctions := bufferExistingGeneratedCode(t, fileName)
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generatedFunctions := generateDeepCopies(t, version)
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functionsTxt := fmt.Sprintf("%s.deep_copy.txt", version)
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ioutil.WriteFile(functionsTxt, generatedFunctions.Bytes(), os.FileMode(0644))
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if ok := compareBuffers(t, functionsTxt, existingFunctions, generatedFunctions); ok {
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os.Remove(functionsTxt)
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}
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}
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}
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