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generator_fake_for_group.go
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generator_fake_for_group.go
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/*
Copyright 2015 The Kubernetes Authors All rights reserved.
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 fake
import (
"fmt"
"io"
"path/filepath"
"k8s.io/kubernetes/cmd/libs/go2idl/generator"
"k8s.io/kubernetes/cmd/libs/go2idl/namer"
"k8s.io/kubernetes/cmd/libs/go2idl/types"
)
// genFakeForGroup produces a file for a group client, e.g. ExtensionsClient for the extension group.
type genFakeForGroup struct {
generator.DefaultGen
outputPackage string
realClientPath string
group string
// types in this group
types []*types.Type
imports *generator.ImportTracker
}
var _ generator.Generator = &genFakeForGroup{}
// We only want to call GenerateType() once per group.
func (g *genFakeForGroup) Filter(c *generator.Context, t *types.Type) bool {
return t == g.types[0]
}
func (g *genFakeForGroup) Namers(c *generator.Context) namer.NameSystems {
return namer.NameSystems{
"raw": namer.NewRawNamer(g.outputPackage, g.imports),
}
}
func (g *genFakeForGroup) Imports(c *generator.Context) (imports []string) {
return append(g.imports.ImportLines(), fmt.Sprintf("%s \"%s\"", filepath.Base(g.realClientPath), g.realClientPath))
}
func (g *genFakeForGroup) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error {
sw := generator.NewSnippetWriter(w, c, "$", "$")
const pkgTestingCore = "k8s.io/kubernetes/pkg/client/testing/core"
m := map[string]interface{}{
"group": g.group,
"Group": namer.IC(g.group),
"Fake": c.Universe.Type(types.Name{Package: pkgTestingCore, Name: "Fake"}),
}
sw.Do(groupClientTemplate, m)
for _, t := range g.types {
wrapper := map[string]interface{}{
"type": t,
"Group": namer.IC(g.group),
"realClientPackage": filepath.Base(g.realClientPath),
}
namespaced := !(types.ExtractCommentTags("+", t.SecondClosestCommentLines)["nonNamespaced"] == "true")
if namespaced {
sw.Do(getterImplNamespaced, wrapper)
} else {
sw.Do(getterImplNonNamespaced, wrapper)
}
}
return sw.Error()
}
var groupClientTemplate = `
type Fake$.Group$ struct {
*$.Fake|raw$
}
`
var getterImplNamespaced = `
func (c *Fake$.Group$) $.type|publicPlural$(namespace string) $.realClientPackage$.$.type|public$Interface {
return &Fake$.type|publicPlural${c, namespace}
}
`
var getterImplNonNamespaced = `
func (c *Fake$.Group$) $.type|publicPlural$() $.realClientPackage$.$.type|public$Interface {
return &Fake$.type|publicPlural${c}
}
`