pkg/libcontainer/cgroups/fs/cpu_test.go
Michael Crosby 3a5c4516f9 Update cpu stat test for no error
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-06-02 11:54:23 -07:00

66 lines
1.5 KiB
Go

package fs
import (
"fmt"
"testing"
"github.com/dotcloud/docker/pkg/libcontainer/cgroups"
)
func TestCpuStats(t *testing.T) {
helper := NewCgroupTestUtil("cpu", t)
defer helper.cleanup()
const (
kNrPeriods = 2000
kNrThrottled = 200
kThrottledTime = uint64(18446744073709551615)
)
cpuStatContent := fmt.Sprintf("nr_periods %d\n nr_throttled %d\n throttled_time %d\n",
kNrPeriods, kNrThrottled, kThrottledTime)
helper.writeFileContents(map[string]string{
"cpu.stat": cpuStatContent,
})
cpu := &cpuGroup{}
err := cpu.GetStats(helper.CgroupData, &actualStats)
if err != nil {
t.Fatal(err)
}
expectedStats := cgroups.ThrottlingData{
Periods: kNrPeriods,
ThrottledPeriods: kNrThrottled,
ThrottledTime: kThrottledTime}
expectThrottlingDataEquals(t, expectedStats, actualStats.CpuStats.ThrottlingData)
}
func TestNoCpuStatFile(t *testing.T) {
helper := NewCgroupTestUtil("cpu", t)
defer helper.cleanup()
cpu := &cpuGroup{}
err := cpu.GetStats(helper.CgroupData, &actualStats)
if err != nil {
t.Fatal("Expected not to fail, but did")
}
}
func TestInvalidCpuStat(t *testing.T) {
helper := NewCgroupTestUtil("cpu", t)
defer helper.cleanup()
cpuStatContent := `nr_periods 2000
nr_throttled 200
throttled_time fortytwo`
helper.writeFileContents(map[string]string{
"cpu.stat": cpuStatContent,
})
cpu := &cpuGroup{}
err := cpu.GetStats(helper.CgroupData, &actualStats)
if err == nil {
t.Fatal("Expected failed stat parsing.")
}
}