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|
package suture
import (
"fmt"
"testing"
)
const (
JobLimit = 2
)
type IncrementorJob struct {
current int
next chan int
stop chan bool
}
func (i *IncrementorJob) Stop() {
fmt.Println("Stopping the service")
i.stop <- true
}
func (i *IncrementorJob) Serve() {
for {
select {
case i.next <- i.current + 1:
i.current++
if i.current >= JobLimit {
return
}
case <-i.stop:
// We sync here just to guarantee the output of "Stopping the service",
// so this passes the test reliably.
// Most services would simply "return" here.
i.stop <- true
return
}
}
}
func (i *IncrementorJob) Complete() bool {
// fmt.Println("IncrementorJob exited as Complete()")
return i.current >= JobLimit
}
func TestCompleteJob(t *testing.T) {
supervisor := NewSimple("Supervisor")
service := &IncrementorJob{0, make(chan int), make(chan bool)}
supervisor.Add(service)
supervisor.ServeBackground()
fmt.Println("Got:", <-service.next)
fmt.Println("Got:", <-service.next)
<-service.stop
fmt.Println("IncrementorJob exited as Complete()")
supervisor.Stop()
// Output:
// Got: 1
// Got: 2
// Stopping the service
}
|
