mirror of https://github.com/kubernetes/kops.git
148 lines
3.6 KiB
Go
148 lines
3.6 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package pubsub
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import (
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"errors"
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"reflect"
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"testing"
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"golang.org/x/net/context"
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)
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type subListCall struct {
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inTok, outTok string
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subs []string
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err error
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}
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type subListService struct {
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service
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calls []subListCall
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t *testing.T // for error logging.
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}
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func (s *subListService) listSubs(pageTok string) (*stringsPage, error) {
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if len(s.calls) == 0 {
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s.t.Errorf("unexpected call: pageTok: %q", pageTok)
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return nil, errors.New("bang")
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}
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call := s.calls[0]
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s.calls = s.calls[1:]
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if call.inTok != pageTok {
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s.t.Errorf("page token: got: %v, want: %v", pageTok, call.inTok)
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}
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return &stringsPage{call.subs, call.outTok}, call.err
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}
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func (s *subListService) listProjectSubscriptions(ctx context.Context, projName, pageTok string) (*stringsPage, error) {
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if projName != "projects/projid" {
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s.t.Errorf("unexpected call: projName: %q, pageTok: %q", projName, pageTok)
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return nil, errors.New("bang")
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}
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return s.listSubs(pageTok)
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}
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func (s *subListService) listTopicSubscriptions(ctx context.Context, topicName, pageTok string) (*stringsPage, error) {
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if topicName != "projects/projid/topics/topic" {
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s.t.Errorf("unexpected call: topicName: %q, pageTok: %q", topicName, pageTok)
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return nil, errors.New("bang")
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}
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return s.listSubs(pageTok)
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}
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// All returns the remaining subscriptions from this iterator.
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func slurpSubs(it *SubscriptionIterator) ([]*Subscription, error) {
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var subs []*Subscription
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for {
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switch sub, err := it.Next(); err {
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case nil:
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subs = append(subs, sub)
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case Done:
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return subs, nil
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default:
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return nil, err
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}
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}
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}
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func TestListProjectSubscriptions(t *testing.T) {
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calls := []subListCall{
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{
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subs: []string{"s1", "s2"},
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outTok: "a",
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},
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{
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inTok: "a",
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subs: []string{"s3"},
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outTok: "",
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},
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}
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s := &subListService{calls: calls, t: t}
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c := &Client{projectID: "projid", s: s}
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subs, err := slurpSubs(c.Subscriptions(context.Background()))
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if err != nil {
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t.Errorf("error listing subscriptions: %v", err)
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}
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got := subNames(subs)
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want := []string{"s1", "s2", "s3"}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("sub list: got: %v, want: %v", got, want)
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}
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if len(s.calls) != 0 {
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t.Errorf("outstanding calls: %v", s.calls)
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}
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}
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func TestListTopicSubscriptions(t *testing.T) {
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calls := []subListCall{
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{
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subs: []string{"s1", "s2"},
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outTok: "a",
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},
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{
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inTok: "a",
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subs: []string{"s3"},
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outTok: "",
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},
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}
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s := &subListService{calls: calls, t: t}
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c := &Client{projectID: "projid", s: s}
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subs, err := slurpSubs(c.Topic("topic").Subscriptions(context.Background()))
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if err != nil {
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t.Errorf("error listing subscriptions: %v", err)
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}
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got := subNames(subs)
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want := []string{"s1", "s2", "s3"}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("sub list: got: %v, want: %v", got, want)
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}
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if len(s.calls) != 0 {
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t.Errorf("outstanding calls: %v", s.calls)
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}
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}
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func subNames(subs []*Subscription) []string {
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var names []string
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for _, sub := range subs {
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names = append(names, sub.name)
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}
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return names
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}
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