}

// ListPodCPUAndMemoryStats mocks base method.
func (m *MockProvider) ListPodCPUAndMemoryStats(ctx context.Context) ([]v1alpha1.PodStats, error) {
	m.ctrl.T.Helper()
	ret := m.ctrl.Call(m, "ListPodCPUAndMemoryStats", ctx)
	ret0, _ := ret[0].([]v1alpha1.PodStats)
	ret1, _ := ret[1].(error)
	return ret0, ret1
}

// ListPodCPUAndMemoryStats indicates an expected call of ListPodCPUAndMemoryStats.

type containerStatsProvider interface {
	ListPodStats(ctx context.Context) ([]statsapi.PodStats, error)
	ListPodStatsAndUpdateCPUNanoCoreUsage(ctx context.Context) ([]statsapi.PodStats, error)
	ListPodCPUAndMemoryStats(ctx context.Context) ([]statsapi.PodStats, error)
	ImageFsStats(ctx context.Context) (*statsapi.FsStats, *statsapi.FsStats, error)
	ImageFsDevice(ctx context.Context) (string, error)
}

	rootStats, err := sp.provider.GetCgroupCPUAndMemoryStats("/", false)
	if err != nil {
		return nil, fmt.Errorf("failed to get root cgroup stats: %v", err)
	}

	podStats, err := sp.provider.ListPodCPUAndMemoryStats(ctx)
	if err != nil {
		return nil, fmt.Errorf("failed to list pod stats: %v", err)
	}

	nodeStats := statsapi.NodeStats{
		NodeName:         node.Name,
		CPU:              rootStats.CPU,

	ListPodStats(ctx context.Context) ([]statsapi.PodStats, error)
	// ListPodStatsAndUpdateCPUNanoCoreUsage updates the cpu nano core usage for
	// the containers and returns the stats for all the pod-managed containers.
	ListPodCPUAndMemoryStats(ctx context.Context) ([]statsapi.PodStats, error)
	// ListPodStatsAndUpdateCPUNanoCoreUsage returns the stats of all the
	// containers managed by pods and force update the cpu usageNanoCores.

func (p *cadvisorStatsProvider) ListPodStatsAndUpdateCPUNanoCoreUsage(ctx context.Context) ([]statsapi.PodStats, error) {
	return p.ListPodStats(ctx)
}

// ListPodCPUAndMemoryStats returns the cpu and memory stats of all the pod-managed containers.
func (p *cadvisorStatsProvider) ListPodCPUAndMemoryStats(_ context.Context) ([]statsapi.PodStats, error) {
	infos, err := getCadvisorContainerInfo(p.cadvisor)
	if err != nil {

	mockStatsProvider.EXPECT().GetNode().Return(node, nil)
	mockStatsProvider.EXPECT().GetNodeConfig().Return(nodeConfig)
	mockStatsProvider.EXPECT().GetPodCgroupRoot().Return(cgroupRoot)
	mockStatsProvider.EXPECT().ListPodCPUAndMemoryStats(ctx).Return(podStats, nil)
	mockStatsProvider.EXPECT().GetCgroupCPUAndMemoryStats("/", false).Return(cgroupStatsMap["/"].cs, nil)

		summarySandboxStats = append(summarySandboxStats, *ps)
	}
	return summarySandboxStats, nil
}

// ListPodCPUAndMemoryStats returns the CPU and Memory stats of all the pod-managed containers.
func (p *criStatsProvider) ListPodCPUAndMemoryStats(ctx context.Context) ([]statsapi.PodStats, error) {
	// sandboxIDToPodStats is a temporary map from sandbox ID to its pod stats.

}

func (p fakeContainerStatsProvider) ListPodStatsAndUpdateCPUNanoCoreUsage(context.Context) ([]statsapi.PodStats, error) {
	return nil, fmt.Errorf("not implemented")
}

func (p fakeContainerStatsProvider) ListPodCPUAndMemoryStats(context.Context) ([]statsapi.PodStats, error) {
	return nil, fmt.Errorf("not implemented")
}

func (p fakeContainerStatsProvider) ImageFsStats(context.Context) (*statsapi.FsStats, *statsapi.FsStats, error) {

	}

	resourceAnalyzer := &fakeResourceAnalyzer{podVolumeStats: volumeStats}

	p := NewCadvisorStatsProvider(mockCadvisor, resourceAnalyzer, nil, nil, nil, nil, NewFakeHostStatsProvider())
	pods, err := p.ListPodCPUAndMemoryStats(ctx)
	assert.NoError(t, err)

	assert.Equal(t, 3, len(pods))
	indexPods := make(map[statsapi.PodReference]statsapi.PodStats, len(pods))
	for _, pod := range pods {
		indexPods[pod.PodRef] = pod
	}

	return kl.StatsProvider.ListPodStats(ctx)
}

// ListPodCPUAndMemoryStats is delegated to StatsProvider, which implements stats.Provider interface
func (kl *Kubelet) ListPodCPUAndMemoryStats(ctx context.Context) ([]statsapi.PodStats, error) {
	return kl.StatsProvider.ListPodCPUAndMemoryStats(ctx)
}