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testclient.go
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testclient.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 testclient
import (
"sync"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/latest"
"k8s.io/kubernetes/pkg/api/registered"
client "k8s.io/kubernetes/pkg/client/unversioned"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/version"
"k8s.io/kubernetes/pkg/watch"
)
// NewSimpleFake returns a client that will respond with the provided objects
func NewSimpleFake(objects ...runtime.Object) *Fake {
o := NewObjects(api.Scheme, api.Scheme)
for _, obj := range objects {
if err := o.Add(obj); err != nil {
panic(err)
}
}
return &Fake{ReactFn: ObjectReaction(o, latest.RESTMapper)}
}
// ReactionFunc is a function that returns an object or error for a given Action
type ReactionFunc func(Action) (runtime.Object, error)
// Fake implements client.Interface. Meant to be embedded into a struct to get a default
// implementation. This makes faking out just the method you want to test easier.
type Fake struct {
sync.RWMutex
actions []Action // these may be castable to other types, but "Action" is the minimum
err error
Watch watch.Interface
// ReactFn is an optional function that will be invoked with the provided action
// and return a response. It can implement scenario specific behavior. The type
// of object returned must match the expected type from the caller (even if nil).
ReactFn ReactionFunc
}
// Invokes records the provided Action and then invokes the ReactFn (if provided).
// defaultReturnObj is expected to be of the same type a normal call would return.
func (c *Fake) Invokes(action Action, defaultReturnObj runtime.Object) (runtime.Object, error) {
c.Lock()
defer c.Unlock()
c.actions = append(c.actions, action)
if c.ReactFn != nil {
return c.ReactFn(action)
}
return defaultReturnObj, c.err
}
// ClearActions clears the history of actions called on the fake client
func (c *Fake) ClearActions() {
c.Lock()
c.Unlock()
c.actions = make([]Action, 0)
}
// Actions returns a chronologically ordered slice fake actions called on the fake client
func (c *Fake) Actions() []Action {
c.RLock()
defer c.RUnlock()
fa := make([]Action, len(c.actions))
copy(fa, c.actions)
return fa
}
// SetErr sets the error to return for client calls
func (c *Fake) SetErr(err error) {
c.Lock()
defer c.Unlock()
c.err = err
}
// Err returns any a client error or nil
func (c *Fake) Err() error {
c.RLock()
c.RUnlock()
return c.err
}
func (c *Fake) LimitRanges(namespace string) client.LimitRangeInterface {
return &FakeLimitRanges{Fake: c, Namespace: namespace}
}
func (c *Fake) ResourceQuotas(namespace string) client.ResourceQuotaInterface {
return &FakeResourceQuotas{Fake: c, Namespace: namespace}
}
func (c *Fake) ReplicationControllers(namespace string) client.ReplicationControllerInterface {
return &FakeReplicationControllers{Fake: c, Namespace: namespace}
}
func (c *Fake) Daemons(namespace string) client.DaemonInterface {
return &FakeDaemons{Fake: c, Namespace: namespace}
}
func (c *Fake) Nodes() client.NodeInterface {
return &FakeNodes{Fake: c}
}
func (c *Fake) Events(namespace string) client.EventInterface {
return &FakeEvents{Fake: c, Namespace: namespace}
}
func (c *Fake) Endpoints(namespace string) client.EndpointsInterface {
return &FakeEndpoints{Fake: c, Namespace: namespace}
}
func (c *Fake) PersistentVolumes() client.PersistentVolumeInterface {
return &FakePersistentVolumes{Fake: c}
}
func (c *Fake) PersistentVolumeClaims(namespace string) client.PersistentVolumeClaimInterface {
return &FakePersistentVolumeClaims{Fake: c, Namespace: namespace}
}
func (c *Fake) Pods(namespace string) client.PodInterface {
return &FakePods{Fake: c, Namespace: namespace}
}
func (c *Fake) PodTemplates(namespace string) client.PodTemplateInterface {
return &FakePodTemplates{Fake: c, Namespace: namespace}
}
func (c *Fake) Services(namespace string) client.ServiceInterface {
return &FakeServices{Fake: c, Namespace: namespace}
}
func (c *Fake) ServiceAccounts(namespace string) client.ServiceAccountsInterface {
return &FakeServiceAccounts{Fake: c, Namespace: namespace}
}
func (c *Fake) Secrets(namespace string) client.SecretsInterface {
return &FakeSecrets{Fake: c, Namespace: namespace}
}
func (c *Fake) Namespaces() client.NamespaceInterface {
return &FakeNamespaces{Fake: c}
}
func (c *Fake) ServerVersion() (*version.Info, error) {
action := ActionImpl{}
action.Verb = "get"
action.Resource = "version"
c.Invokes(action, nil)
versionInfo := version.Get()
return &versionInfo, nil
}
func (c *Fake) ServerAPIVersions() (*api.APIVersions, error) {
action := ActionImpl{}
action.Verb = "get"
action.Resource = "apiversions"
c.Invokes(action, nil)
return &api.APIVersions{Versions: registered.RegisteredVersions}, nil
}
func (c *Fake) ComponentStatuses() client.ComponentStatusInterface {
return &FakeComponentStatuses{Fake: c}
}