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more unit test for GetContainerStats()

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This commit is contained in:
Nan Deng 2014-06-19 20:25:54 +00:00
parent 3080262f12
commit b01a12fe34
1 changed files with 30 additions and 0 deletions
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30
pkg/kubelet/kubelet_test.go
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@ -1006,3 +1006,33 @@ func TestGetContainerStats(t *testing.T) {
areSamePercentiles(containerInfo.StatsPercentiles.MemoryUsagePercentiles, stats.MemoryUsagePercentiles, t)
mockCadvisor.AssertExpectations(t)
}
func TestGetContainerStatsWithoutCadvisor(t *testing.T) {
fakeDocker := FakeDockerClient{
err: nil,
}
kubelet := Kubelet{
DockerClient: &fakeDocker,
}
fakeDocker.containerList = []docker.APIContainers{
{
Names: []string{"foo"},
},
}
stats, _ := kubelet.GetContainerStats("foo")
// When there's no cAdvisor, the stats should be either nil or empty
if stats == nil {
return
}
if stats.MaxMemoryUsage != 0 {
t.Errorf("MaxMemoryUsage is %v even if there's no cadvisor", stats.MaxMemoryUsage)
}
if len(stats.CpuUsagePercentiles) > 0 {
t.Errorf("Cpu usage percentiles is not empty (%+v) even if there's no cadvisor", stats.CpuUsagePercentiles)
}
if len(stats.MemoryUsagePercentiles) > 0 {
t.Errorf("Memory usage percentiles is not empty (%+v) even if there's no cadvisor", stats.MemoryUsagePercentiles)
}
}