| // Copyright Istio 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. |
| |
| package status |
| |
| import ( |
| "context" |
| "sync/atomic" |
| "testing" |
| ) |
| |
| import ( |
| . "github.com/onsi/gomega" |
| "istio.io/api/meta/v1alpha1" |
| "k8s.io/apimachinery/pkg/runtime/schema" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/config" |
| ) |
| |
| func TestResourceLock_Lock(t *testing.T) { |
| g := NewGomegaWithT(t) |
| r1 := Resource{ |
| GroupVersionResource: schema.GroupVersionResource{ |
| Group: "r1", |
| Version: "r1", |
| }, |
| Namespace: "r1", |
| Name: "r1", |
| Generation: "11", |
| } |
| r1a := Resource{ |
| GroupVersionResource: schema.GroupVersionResource{ |
| Group: "r1", |
| Version: "r1", |
| }, |
| Namespace: "r1", |
| Name: "r1", |
| Generation: "12", |
| } |
| var runCount int32 |
| x := make(chan struct{}) |
| y := make(chan struct{}) |
| mgr := NewManager(nil) |
| fakefunc := func(status *v1alpha1.IstioStatus, context interface{}) *v1alpha1.IstioStatus { |
| x <- struct{}{} |
| atomic.AddInt32(&runCount, 1) |
| y <- struct{}{} |
| return nil |
| } |
| c1 := mgr.CreateIstioStatusController(fakefunc) |
| c2 := mgr.CreateIstioStatusController(fakefunc) |
| workers := NewWorkerPool(func(_ *config.Config, _ interface{}) { |
| }, func(resource Resource) *config.Config { |
| return &config.Config{ |
| Meta: config.Meta{Generation: 11}, |
| } |
| }, 10) |
| ctx, cancel := context.WithCancel(context.Background()) |
| workers.Run(ctx) |
| workers.Push(r1, c1, nil) |
| workers.Push(r1, c2, nil) |
| workers.Push(r1, c1, nil) |
| <-x |
| <-y |
| <-x |
| workers.Push(r1, c1, nil) |
| workers.Push(r1a, c1, nil) |
| <-y |
| <-x |
| select { |
| case <-x: |
| t.FailNow() |
| default: |
| } |
| <-y |
| result := atomic.LoadInt32(&runCount) |
| g.Expect(result).To(Equal(int32(3))) |
| cancel() |
| } |