open-nomad/drivers/docker/stats_test.go
2019-01-12 12:18:22 -05:00

48 lines
1.5 KiB
Go

package docker
import (
"testing"
"time"
docker "github.com/fsouza/go-dockerclient"
"github.com/hashicorp/nomad/plugins/drivers"
"github.com/stretchr/testify/require"
)
func TestDriver_DockerStatsCollector(t *testing.T) {
require := require.New(t)
src := make(chan *docker.Stats)
defer close(src)
dst := make(chan *drivers.TaskResourceUsage)
defer close(dst)
stats := &docker.Stats{}
stats.CPUStats.ThrottlingData.Periods = 10
stats.CPUStats.ThrottlingData.ThrottledPeriods = 10
stats.CPUStats.ThrottlingData.ThrottledTime = 10
stats.MemoryStats.Stats.Rss = 6537216
stats.MemoryStats.Stats.Cache = 1234
stats.MemoryStats.Stats.Swap = 0
stats.MemoryStats.MaxUsage = 6651904
go dockerStatsCollector(dst, src, time.Second)
select {
case src <- stats:
case <-time.After(time.Second):
require.Fail("sending stats should not block here")
}
select {
case ru := <-dst:
require.Equal(stats.MemoryStats.Stats.Rss, ru.ResourceUsage.MemoryStats.RSS)
require.Equal(stats.MemoryStats.Stats.Cache, ru.ResourceUsage.MemoryStats.Cache)
require.Equal(stats.MemoryStats.Stats.Swap, ru.ResourceUsage.MemoryStats.Swap)
require.Equal(stats.MemoryStats.MaxUsage, ru.ResourceUsage.MemoryStats.MaxUsage)
require.Equal(stats.CPUStats.ThrottlingData.ThrottledPeriods, ru.ResourceUsage.CpuStats.ThrottledPeriods)
require.Equal(stats.CPUStats.ThrottlingData.ThrottledTime, ru.ResourceUsage.CpuStats.ThrottledTime)
case <-time.After(time.Second):
require.Fail("receiving stats should not block here")
}
}