},
	}

	info, _ := client.getVersionInfo()
	expected := &cadvisorapi.VersionInfo{
		KernelVersion:      "foo",
		ContainerOsVersion: "lish",
	}
	assert.Equal(t, expected, info)
}

func TestCollectMetricsData(t *testing.T) {
	p := perfCounterNodeStatsClient{}

	cpuCounter := &fakePerfCounterImpl{
		value:      1,
		raiseError: true,
	}
	memWorkingSetCounter := &fakePerfCounterImpl{
		value:      2,