mirror of
https://github.com/linka-cloud/grpc.git
synced 2024-11-25 20:36:24 +00:00
76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes 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 signals
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"os/signal"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestSignalsHandler(t *testing.T) {
|
|
ctx := SetupSignalHandler()
|
|
task := &Task{
|
|
ticker: time.NewTicker(time.Second * 2),
|
|
}
|
|
c := make(chan os.Signal, 1)
|
|
signal.Notify(c, os.Interrupt)
|
|
task.wg.Add(1)
|
|
go func(c chan os.Signal) {
|
|
defer task.wg.Done()
|
|
task.Run(c)
|
|
}(c)
|
|
|
|
select {
|
|
case sig := <-c:
|
|
fmt.Printf("Got %s signal. Aborting...\n", sig)
|
|
case _, ok := <-ctx.Done():
|
|
assert.False(t, ok)
|
|
}
|
|
}
|
|
|
|
type Task struct {
|
|
wg sync.WaitGroup
|
|
ticker *time.Ticker
|
|
}
|
|
|
|
func (t *Task) Run(c chan os.Signal) {
|
|
for {
|
|
go sendSignal(c)
|
|
handle()
|
|
}
|
|
}
|
|
|
|
func handle() {
|
|
for i := 0; i < 5; i++ {
|
|
fmt.Print("#")
|
|
time.Sleep(time.Millisecond * 100)
|
|
}
|
|
fmt.Println()
|
|
}
|
|
|
|
func sendSignal(stopChan chan os.Signal) {
|
|
fmt.Printf("...")
|
|
time.Sleep(1 * time.Second)
|
|
stopChan <- os.Interrupt
|
|
}
|