hovsep

// WithRunningSimulation is a helper function that runs the simulation and executes a callback after a given duration
func WithRunningSimulation(sim *step_sim.Simulation, duration time.Duration, f func()) {
	go sim.Run()
	defer func() {
		sim.SendCommand(step_sim.Exit)
	}()

	// Let the simulation run for a while
	time.Sleep(duration)

hovsep

// PackAutonomicTone builds a signal that represents autonomic tone
func PackAutonomicTone(sym, paraSym, noise, gain, cardiacBias, vascularBias, respiratoryBias, giBias float64) *signal.Signal {
	return signal.New(signal.NewGroup().Add(
		NewLevel(sym, common.Sympathetic),
		NewLevel(paraSym, common.Parasympathetic),
		NewLevel(noise, common.Noise),
		NewLevel(gain, common.Gain),
		NewBias(cardiacBias, common.Cardiac),
		NewBias(vascularBias, common.Vascular),
		NewBias(respiratoryBias, common.Respiratory),

hovsep

// What it checks: run simulation for 100ms and check the ECG, we must see a few R-peaks
func Test_Human(t *testing.T) {
	tests := []struct {
		name       string
		assertions func(t *testing.T, sim *step_sim.Simulation)
	}{
		{
			name: "heart is beating",
			assertions: func(t *testing.T, sim *step_sim.Simulation) {