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testing.go
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testing.go
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/*
Copyright 2016 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 driver // import "k8s.io/helm/pkg/storage/driver"
import (
"fmt"
"testing"
rspb "k8s.io/helm/pkg/proto/hapi/release"
"k8s.io/kubernetes/pkg/api"
kberrs "k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/client/unversioned"
)
func releaseStub(name string, vers int32, code rspb.Status_Code) *rspb.Release {
return &rspb.Release{
Name: name,
Version: vers,
Info: &rspb.Info{Status: &rspb.Status{Code: code}},
}
}
func testKey(name string, vers int32) string {
return fmt.Sprintf("%s.v%d", name, vers)
}
func tsFixtureMemory(t *testing.T) *Memory {
hs := []*rspb.Release{
// rls-a
releaseStub("rls-a", 4, rspb.Status_DEPLOYED),
releaseStub("rls-a", 1, rspb.Status_SUPERSEDED),
releaseStub("rls-a", 3, rspb.Status_SUPERSEDED),
releaseStub("rls-a", 2, rspb.Status_SUPERSEDED),
// rls-b
releaseStub("rls-b", 4, rspb.Status_DEPLOYED),
releaseStub("rls-b", 1, rspb.Status_SUPERSEDED),
releaseStub("rls-b", 3, rspb.Status_SUPERSEDED),
releaseStub("rls-b", 2, rspb.Status_SUPERSEDED),
}
mem := NewMemory()
for _, tt := range hs {
err := mem.Create(testKey(tt.Name, tt.Version), tt)
if err != nil {
t.Fatalf("Test setup failed to create: %s\n", err)
}
}
return mem
}
// newTestFixture initializes a MockConfigMapsInterface.
// ConfigMaps are created for each release provided.
func newTestFixtureCfgMaps(t *testing.T, releases ...*rspb.Release) *ConfigMaps {
var mock MockConfigMapsInterface
mock.Init(t, releases...)
return NewConfigMaps(&mock)
}
// MockConfigMapsInterface mocks a kubernetes ConfigMapsInterface
type MockConfigMapsInterface struct {
unversioned.ConfigMapsInterface
objects map[string]*api.ConfigMap
}
// Init initializes the MockConfigMapsInterface with the set of releases.
func (mock *MockConfigMapsInterface) Init(t *testing.T, releases ...*rspb.Release) {
mock.objects = map[string]*api.ConfigMap{}
for _, rls := range releases {
objkey := testKey(rls.Name, rls.Version)
cfgmap, err := newConfigMapsObject(objkey, rls, nil)
if err != nil {
t.Fatalf("Failed to create configmap: %s", err)
}
mock.objects[objkey] = cfgmap
}
}
// Get returns the ConfigMap by name.
func (mock *MockConfigMapsInterface) Get(name string) (*api.ConfigMap, error) {
object, ok := mock.objects[name]
if !ok {
return nil, kberrs.NewNotFound(api.Resource("tests"), name)
}
return object, nil
}
// List returns the a of ConfigMaps.
func (mock *MockConfigMapsInterface) List(opts api.ListOptions) (*api.ConfigMapList, error) {
var list api.ConfigMapList
for _, cfgmap := range mock.objects {
list.Items = append(list.Items, *cfgmap)
}
return &list, nil
}
// Create creates a new ConfigMap.
func (mock *MockConfigMapsInterface) Create(cfgmap *api.ConfigMap) (*api.ConfigMap, error) {
name := cfgmap.ObjectMeta.Name
if object, ok := mock.objects[name]; ok {
return object, kberrs.NewAlreadyExists(api.Resource("tests"), name)
}
mock.objects[name] = cfgmap
return cfgmap, nil
}
// Update updates a ConfigMap.
func (mock *MockConfigMapsInterface) Update(cfgmap *api.ConfigMap) (*api.ConfigMap, error) {
name := cfgmap.ObjectMeta.Name
if _, ok := mock.objects[name]; !ok {
return nil, kberrs.NewNotFound(api.Resource("tests"), name)
}
mock.objects[name] = cfgmap
return cfgmap, nil
}
// Delete deletes a ConfigMap by name.
func (mock *MockConfigMapsInterface) Delete(name string) error {
if _, ok := mock.objects[name]; !ok {
return kberrs.NewNotFound(api.Resource("tests"), name)
}
delete(mock.objects, name)
return nil
}