stats = append(stats, sp.getSystemPodsCPUAndMemoryStats(nodeConfig, podStats, updateStats))
	return stats
}

func (sp *summaryProviderImpl) GetSystemContainersCPUAndMemoryStats(nodeConfig cm.NodeConfig, podStats []statsapi.PodStats, updateStats bool) (stats []statsapi.ContainerStats) {

func (m *MockSummaryProvider) Get(ctx context.Context, updateStats bool) (*v1alpha1.Summary, error) {
	m.ctrl.T.Helper()
	ret := m.ctrl.Call(m, "Get", ctx, updateStats)
	ret0, _ := ret[0].(*v1alpha1.Summary)
	ret1, _ := ret[1].(error)
	return ret0, ret1
}

// Get indicates an expected call of Get.
func (mr *MockSummaryProviderMockRecorder) Get(ctx, updateStats any) *gomock.Call {
	mr.mock.ctrl.T.Helper()

	statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
	"k8s.io/kubernetes/pkg/kubelet/cm"
)

func (sp *summaryProviderImpl) GetSystemContainersStats(nodeConfig cm.NodeConfig, podStats []statsapi.PodStats, updateStats bool) (stats []statsapi.ContainerStats) {
	systemContainers := map[string]struct {
		name             string
		forceStatsUpdate bool
		startTime        metav1.Time
	}{

)

// SummaryProvider provides summaries of the stats from Kubelet.
type SummaryProvider interface {
	// Get provides a new Summary with the stats from Kubelet,
	// and will update some stats if updateStats is true
	Get(ctx context.Context, updateStats bool) (*statsapi.Summary, error)
	// GetCPUAndMemoryStats provides a new Summary with the CPU and memory stats from Kubelet,
	GetCPUAndMemoryStats(ctx context.Context) (*statsapi.Summary, error)
}

// this function doesn't generate filesystem stats.
func (p *Provider) GetCgroupStats(cgroupName string, updateStats bool) (*statsapi.ContainerStats, *statsapi.NetworkStats, error) {
	info, err := getCgroupInfo(p.cadvisor, cgroupName, updateStats)
	if err != nil {
		return nil, nil, fmt.Errorf("failed to get cgroup stats for %q: %v", cgroupName, err)
	}

	mr.mock.ctrl.T.Helper()
	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetCgroupCPUAndMemoryStats", reflect.TypeOf((*MockProvider)(nil).GetCgroupCPUAndMemoryStats), cgroupName, updateStats)
}

// GetCgroupStats mocks base method.
func (m *MockProvider) GetCgroupStats(cgroupName string, updateStats bool) (*v1alpha1.ContainerStats, *v1alpha1.NetworkStats, error) {

// getCgroupInfo returns the information of the container with the specified
// containerName from cadvisor.
func getCgroupInfo(cadvisor cadvisor.Interface, containerName string, updateStats bool) (*cadvisorapiv2.ContainerInfo, error) {
	var maxAge *time.Duration
	if updateStats {
		age := 0 * time.Second
		maxAge = &age
	}
	infoMap, err := cadvisor.ContainerInfoV2(containerName, cadvisorapiv2.RequestOptions{

	// with the specified cgroupName.
	GetCgroupStats(cgroupName string, updateStats bool) (*statsapi.ContainerStats, *statsapi.NetworkStats, error)
	// GetCgroupCPUAndMemoryStats returns the CPU and memory stats of the cgroup with the specified cgroupName.
	GetCgroupCPUAndMemoryStats(cgroupName string, updateStats bool) (*statsapi.ContainerStats, error)

	// RootFsStats returns the stats of the node root filesystem.

var (
	timestamp    = time.Now()
	creationTime = timestamp.Add(-5 * time.Minute)
)

func TestGetCgroupStats(t *testing.T) {
	const (
		cgroupName        = "test-cgroup-name"
		containerInfoSeed = 1000
		updateStats       = false
	)

	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	var (
		mockCadvisor     = cadvisortest.NewMockInterface(mockCtrl)
		mockPodManager   = new(kubepodtest.MockManager)

	}

	klog.V(3).InfoS("FileSystem detection", "DedicatedImageFs", m.dedicatedImageFs, "SplitImageFs", m.splitContainerImageFs)
	activePods := podFunc()
	updateStats := true
	summary, err := m.summaryProvider.Get(ctx, updateStats)
	if err != nil {
		klog.ErrorS(err, "Eviction manager: failed to get summary stats")
		return nil, nil
	}

	if m.clock.Since(m.thresholdsLastUpdated) > notifierRefreshInterval {