"gidMappings":[ { "hostId":131072, "containerId":0, "length":userNsLength }, { "hostId":196608, "containerId":0, "length":65536 } ]
                               }`,
			success: false,
		},
		{
			name: "two UID mappings",
			file: `{

		}
	}
}

type fakeContainerCommandRunner struct {
	Cmd []string
	ID  kubecontainer.ContainerID
	Err error
	Msg string
}

func (f *fakeContainerCommandRunner) RunInContainer(_ context.Context, id kubecontainer.ContainerID, cmd []string, timeout time.Duration) ([]byte, error) {
	f.Cmd = cmd
	f.ID = id
	return []byte(f.Msg), f.Err
}

}

func (in instrumentedRuntimeService) StartContainer(ctx context.Context, containerID string) error {
	const operation = "start_container"
	defer recordOperation(operation, time.Now())

	err := in.service.StartContainer(ctx, containerID)
	recordError(operation, err)
	return err
}

func (in instrumentedRuntimeService) StopContainer(ctx context.Context, containerID string, timeout int64) error {
	const operation = "stop_container"

	ID string
}

// BuildContainerID returns the ContainerID given type and id.
func BuildContainerID(typ, ID string) ContainerID {
	return ContainerID{Type: typ, ID: ID}
}

// ParseContainerID is a convenience method for creating a ContainerID from an ID string.
func ParseContainerID(containerID string) ContainerID {
	var id ContainerID
	if err := id.ParseString(containerID); err != nil {

	m.readinessManager.Set(kubecontainer.ParseContainerID(probedReady.ContainerID), results.Success, &v1.Pod{})
	m.readinessManager.Set(kubecontainer.ParseContainerID(probedUnready.ContainerID), results.Failure, &v1.Pod{})
	m.startupManager.Set(kubecontainer.ParseContainerID(startedNoReadiness.ContainerID), results.Success, &v1.Pod{})
	m.readinessManager.Set(kubecontainer.ParseContainerID(terminated.ContainerID), results.Success, &v1.Pod{})

	m.UpdatePodStatus(&v1.Pod{

			"pod", klog.KObj(pod),
			"containerID", containerID.String())
		return
	}

	// Find the container to update.
	containerStatus, _, ok := findContainerStatus(&oldStatus.status, containerID.String())
	if !ok {
		klog.InfoS("Container readiness changed for unknown container",
			"pod", klog.KObj(pod),
			"containerID", containerID.String())
		return
	}

	assert.NoError(t, err)
	assert.Empty(t, containers)
}

// TestKillContainer tests killing the container in a Pod.
func TestKillContainer(t *testing.T) {
	_, _, m, _ := createTestRuntimeManager()

	tests := []struct {
		caseName            string
		pod                 *v1.Pod
		containerID         kubecontainer.ContainerID
		containerName       string

	// actual values when invoked
	ContainerID kubecontainer.ContainerID
	Cmd         []string
}

var _ kubecontainer.CommandRunner = &FakeContainerCommandRunner{}

func (f *FakeContainerCommandRunner) RunInContainer(_ context.Context, containerID kubecontainer.ContainerID, cmd []string, timeout time.Duration) ([]byte, error) {
	// record invoked values
	f.ContainerID = containerID
	f.Cmd = cmd

	var podUID types.UID
	var containerID string
	for _, cgroup := range cgroups {
		candidatePodUID, candidateContainerID, ok := getPodUIDAndContainerIDFromCGroupPath(cgroup.GroupPath)
		switch {
		case !ok:
			// Cgroup did not contain a container ID.
			continue
		case containerID == "":
			// This is the first container ID found so far.
			podUID = candidatePodUID

func (c *containerLogManager) Clean(ctx context.Context, containerID string) error {
	c.mutex.Lock()
	defer c.mutex.Unlock()
	resp, err := c.runtimeService.ContainerStatus(ctx, containerID, false)
	if err != nil {
		return fmt.Errorf("failed to get container status %q: %v", containerID, err)
	}
	if resp.GetStatus() == nil {
		return fmt.Errorf("container status is nil for %q", containerID)
	}