package daemon import ( "testing" "time" "github.com/docker/docker/container" "github.com/docker/docker/daemon/events" "github.com/docker/engine-api/types" containertypes "github.com/docker/engine-api/types/container" eventtypes "github.com/docker/engine-api/types/events" ) func reset(c *container.Container) { c.State = &container.State{} c.State.Health = &container.Health{} c.State.Health.Status = types.Starting } func TestHealthStates(t *testing.T) { e := events.New() _, l, _ := e.Subscribe() defer e.Evict(l) expect := func(expected string) { select { case event := <-l: ev := event.(eventtypes.Message) if ev.Status != expected { t.Errorf("Expecting event %#v, but got %#v\n", expected, ev.Status) } case <-time.After(1 * time.Second): t.Errorf("Expecting event %#v, but got nothing\n", expected) } } c := &container.Container{ CommonContainer: container.CommonContainer{ ID: "container_id", Name: "container_name", Config: &containertypes.Config{ Image: "image_name", }, }, } daemon := &Daemon{ EventsService: e, } c.Config.Healthcheck = &containertypes.HealthConfig{ Retries: 1, } reset(c) handleResult := func(startTime time.Time, exitCode int) { handleProbeResult(daemon, c, &types.HealthcheckResult{ Start: startTime, End: startTime, ExitCode: exitCode, }) } // starting -> failed -> success -> failed handleResult(c.State.StartedAt.Add(1*time.Second), 1) expect("health_status: unhealthy") handleResult(c.State.StartedAt.Add(2*time.Second), 0) expect("health_status: healthy") handleResult(c.State.StartedAt.Add(3*time.Second), 1) expect("health_status: unhealthy") // starting -> starting -> starting -> // healthy -> starting (invalid transition) reset(c) handleResult(c.State.StartedAt.Add(20*time.Second), 2) handleResult(c.State.StartedAt.Add(40*time.Second), 2) if c.State.Health.Status != types.Starting { t.Errorf("Expecting starting, but got %#v\n", c.State.Health.Status) } handleResult(c.State.StartedAt.Add(50*time.Second), 0) expect("health_status: healthy") handleResult(c.State.StartedAt.Add(60*time.Second), 2) expect("health_status: unhealthy") // Test retries reset(c) c.Config.Healthcheck.Retries = 3 handleResult(c.State.StartedAt.Add(20*time.Second), 1) handleResult(c.State.StartedAt.Add(40*time.Second), 1) if c.State.Health.Status != types.Starting { t.Errorf("Expecting starting, but got %#v\n", c.State.Health.Status) } if c.State.Health.FailingStreak != 2 { t.Errorf("Expecting FailingStreak=2, but got %d\n", c.State.Health.FailingStreak) } handleResult(c.State.StartedAt.Add(60*time.Second), 1) expect("health_status: unhealthy") handleResult(c.State.StartedAt.Add(80*time.Second), 0) expect("health_status: healthy") if c.State.Health.FailingStreak != 0 { t.Errorf("Expecting FailingStreak=0, but got %d\n", c.State.Health.FailingStreak) } }