func (r *pingSuite) TestPingTimeout(c *gc.C) {
triggered := make(chan struct{})
action := func() {
close(triggered)
}
clock := jujutesting.NewClock(time.Now())
timeout := apiserver.NewPingTimeout(action, clock, 50*time.Millisecond)
for i := 0; i < 2; i++ {
waitAlarm(c, clock)
clock.Advance(10 * time.Millisecond)
timeout.Ping()
}
waitAlarm(c, clock)
clock.Advance(49 * time.Millisecond)
select {
case <-triggered:
c.Fatalf("action triggered early")
case <-time.After(testing.ShortWait):
}
clock.Advance(time.Millisecond)
select {
case <-triggered:
case <-time.After(testing.LongWait):
c.Fatalf("action never triggered")
}
}
func (r *rootSuite) TestPingTimeoutStopped(c *gc.C) {
closedc := make(chan time.Time, 1)
action := func() {
closedc <- time.Now()
}
timeout := apiserver.NewPingTimeout(action, 20*time.Millisecond)
timeout.Ping()
timeout.Stop()
// The action should never trigger
select {
case <-closedc:
c.Fatalf("action triggered after Stop()")
case <-time.After(testing.ShortWait):
}
}
func (r *pingSuite) TestPingTimeoutStopped(c *gc.C) {
triggered := make(chan struct{})
action := func() {
close(triggered)
}
clock := jujutesting.NewClock(time.Now())
timeout := apiserver.NewPingTimeout(action, clock, 20*time.Millisecond)
waitAlarm(c, clock)
timeout.Stop()
clock.Advance(time.Hour)
// The action should never trigger
select {
case <-triggered:
c.Fatalf("action triggered after Stop()")
case <-time.After(testing.ShortWait):
}
}
func (r *rootSuite) TestPingTimeout(c *gc.C) {
closedc := make(chan time.Time, 1)
action := func() {
closedc <- time.Now()
}
timeout := apiserver.NewPingTimeout(action, 50*time.Millisecond)
for i := 0; i < 2; i++ {
time.Sleep(10 * time.Millisecond)
timeout.Ping()
}
// Expect action to be executed about 50ms after last ping.
broken := time.Now()
var closed time.Time
select {
case closed = <-closedc:
case <-time.After(testing.LongWait):
c.Fatalf("action never executed")
}
closeDiff := closed.Sub(broken) / time.Millisecond
c.Assert(50 <= closeDiff && closeDiff <= 100, jc.IsTrue)
}