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fake.go
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fake.go
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/*
Copyright 2014 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.
*/
// This is made a separate package and should only be imported by tests, because
// it imports testapi
package fake
import (
"net/http"
"net/url"
"k8s.io/apimachinery/pkg/apimachinery/registered"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/util/flowcontrol"
)
func CreateHTTPClient(roundTripper func(*http.Request) (*http.Response, error)) *http.Client {
return &http.Client{
Transport: roundTripperFunc(roundTripper),
}
}
type roundTripperFunc func(*http.Request) (*http.Response, error)
func (f roundTripperFunc) RoundTrip(req *http.Request) (*http.Response, error) {
return f(req)
}
// RESTClient provides a fake RESTClient interface.
type RESTClient struct {
Client *http.Client
NegotiatedSerializer runtime.NegotiatedSerializer
GroupName string
APIRegistry *registered.APIRegistrationManager
VersionedAPIPath string
Req *http.Request
Resp *http.Response
Err error
}
func (c *RESTClient) Get() *restclient.Request {
return c.request("GET")
}
func (c *RESTClient) Put() *restclient.Request {
return c.request("PUT")
}
func (c *RESTClient) Patch(pt types.PatchType) *restclient.Request {
return c.request("PATCH").SetHeader("Content-Type", string(pt))
}
func (c *RESTClient) Post() *restclient.Request {
return c.request("POST")
}
func (c *RESTClient) Delete() *restclient.Request {
return c.request("DELETE")
}
func (c *RESTClient) Verb(verb string) *restclient.Request {
return c.request(verb)
}
func (c *RESTClient) APIVersion() schema.GroupVersion {
return c.APIRegistry.GroupOrDie("").GroupVersion
}
func (c *RESTClient) GetRateLimiter() flowcontrol.RateLimiter {
return nil
}
func (c *RESTClient) request(verb string) *restclient.Request {
config := restclient.ContentConfig{
ContentType: runtime.ContentTypeJSON,
// TODO this was hardcoded before, but it doesn't look right
GroupVersion: &c.APIRegistry.GroupOrDie("").GroupVersion,
NegotiatedSerializer: c.NegotiatedSerializer,
}
ns := c.NegotiatedSerializer
info, _ := runtime.SerializerInfoForMediaType(ns.SupportedMediaTypes(), runtime.ContentTypeJSON)
internalVersion := schema.GroupVersion{
Group: c.APIRegistry.GroupOrDie(c.GroupName).GroupVersion.Group,
Version: runtime.APIVersionInternal,
}
internalVersion.Version = runtime.APIVersionInternal
serializers := restclient.Serializers{
// TODO this was hardcoded before, but it doesn't look right
Encoder: ns.EncoderForVersion(info.Serializer, c.APIRegistry.GroupOrDie("").GroupVersion),
Decoder: ns.DecoderToVersion(info.Serializer, internalVersion),
}
if info.StreamSerializer != nil {
serializers.StreamingSerializer = info.StreamSerializer.Serializer
serializers.Framer = info.StreamSerializer.Framer
}
return restclient.NewRequest(c, verb, &url.URL{Host: "localhost"}, c.VersionedAPIPath, config, serializers, nil, nil)
}
func (c *RESTClient) Do(req *http.Request) (*http.Response, error) {
if c.Err != nil {
return nil, c.Err
}
c.Req = req
if c.Client != nil {
return c.Client.Do(req)
}
return c.Resp, nil
}