mirror of
https://github.com/linka-cloud/grpc.git
synced 2024-11-04 18:26:25 +00:00
76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package signals
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import (
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"fmt"
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"os"
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"os/signal"
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestSignalsHandler(t *testing.T) {
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ctx := SetupSignalHandler()
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task := &Task{
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ticker: time.NewTicker(time.Second * 2),
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}
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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task.wg.Add(1)
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go func(c chan os.Signal) {
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defer task.wg.Done()
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task.Run(c)
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}(c)
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select {
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case sig := <-c:
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fmt.Printf("Got %s signal. Aborting...\n", sig)
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case _, ok := <-ctx.Done():
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assert.False(t, ok)
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}
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}
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type Task struct {
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wg sync.WaitGroup
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ticker *time.Ticker
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}
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func (t *Task) Run(c chan os.Signal) {
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for {
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go sendSignal(c)
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handle()
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}
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}
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func handle() {
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for i := 0; i < 5; i++ {
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fmt.Print("#")
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time.Sleep(time.Millisecond * 100)
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}
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fmt.Println()
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}
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func sendSignal(stopChan chan os.Signal) {
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fmt.Printf("...")
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time.Sleep(1 * time.Second)
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stopChan <- os.Interrupt
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}
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