package provider import ( "testing" "github.com/docker/docker/api/types/swarm" ) func TestTaskCannotScaleDownBecauseItHasNotEnoughTaskRunning(t *testing.T) { p := SwarmProvider{} tasks := []swarm.Task{ swarm.Task{}, } err := p.isAcceptable(tasks, 3, false) if err == nil { t.Errorf("It can not scale") } }