mirror of https://github.com/helm/helm
Adam Reese
8 years ago
parent
6f77869d41
commit
b22e6fcfaa
@ -0,0 +1,87 @@
|
||||
/*
|
||||
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 kube // import "k8s.io/helm/pkg/kube"
|
||||
|
||||
import "k8s.io/kubernetes/pkg/kubectl/resource"
|
||||
|
||||
// Result provides convenience methods for comparing collections of Infos.
|
||||
type Result []*resource.Info
|
||||
|
||||
// Append adds an Info to the Result.
|
||||
func (r *Result) Append(val *resource.Info) {
|
||||
*r = append(*r, val)
|
||||
}
|
||||
|
||||
// Visit implements resource.Visitor.
|
||||
func (r Result) Visit(fn resource.VisitorFunc) error {
|
||||
for _, i := range r {
|
||||
if err := fn(i, nil); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Filter returns a new Result with Infos that satisfy the predicate fn.
|
||||
func (r Result) Filter(fn func(*resource.Info) bool) Result {
|
||||
var result Result
|
||||
for _, i := range r {
|
||||
if fn(i) {
|
||||
result.Append(i)
|
||||
}
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
// Get returns the Info from the result that matches the name and kind.
|
||||
func (r Result) Get(info *resource.Info) *resource.Info {
|
||||
for _, i := range r {
|
||||
if isMatchingInfo(i, info) {
|
||||
return i
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Contains checks to see if an object exists.
|
||||
func (r Result) Contains(info *resource.Info) bool {
|
||||
for _, i := range r {
|
||||
if isMatchingInfo(i, info) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// Difference will return a new Result with objects not contained in rs.
|
||||
func (r Result) Difference(rs Result) Result {
|
||||
return r.Filter(func(info *resource.Info) bool {
|
||||
return !rs.Contains(info)
|
||||
})
|
||||
}
|
||||
|
||||
// Intersect will return a new Result with objects contained in both Results.
|
||||
func (r Result) Intersect(rs Result) Result {
|
||||
return r.Filter(func(info *resource.Info) bool {
|
||||
return rs.Contains(info)
|
||||
})
|
||||
}
|
||||
|
||||
// isMatchingInfo returns true if infos match on Name and GroupVersionKind.
|
||||
func isMatchingInfo(a, b *resource.Info) bool {
|
||||
return a.Name == b.Name && a.Mapping.GroupVersionKind == b.Mapping.GroupVersionKind
|
||||
}
|
||||
@ -0,0 +1,58 @@
|
||||
/*
|
||||
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 kube // import "k8s.io/helm/pkg/kube"
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"k8s.io/kubernetes/pkg/api/testapi"
|
||||
"k8s.io/kubernetes/pkg/api/unversioned"
|
||||
"k8s.io/kubernetes/pkg/kubectl/resource"
|
||||
)
|
||||
|
||||
func TestResult(t *testing.T) {
|
||||
mapping, err := testapi.Default.RESTMapper().RESTMapping(unversioned.GroupKind{Kind: "Pod"})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
info := func(name string) *resource.Info {
|
||||
return &resource.Info{Name: name, Mapping: mapping}
|
||||
}
|
||||
|
||||
var r1, r2 Result
|
||||
r1 = []*resource.Info{info("foo"), info("bar")}
|
||||
r2 = []*resource.Info{info("bar")}
|
||||
|
||||
diff := r1.Difference(r2)
|
||||
if len(diff) != 1 {
|
||||
t.Error("expected 1 result")
|
||||
}
|
||||
|
||||
if !diff.Contains(info("foo")) {
|
||||
t.Error("expected diff to return foo")
|
||||
}
|
||||
|
||||
inter := r1.Intersect(r2)
|
||||
if len(inter) != 1 {
|
||||
t.Error("expected 1 result")
|
||||
}
|
||||
|
||||
if !inter.Contains(info("bar")) {
|
||||
t.Error("expected intersect to return bar")
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue