moby/integration-cli/docker_api_stats_test.go
Alexander Morozov ff9877ccc4 Rename test file to have _test postfix
Without this go test was unable to find line number of error in that
file.

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-06-05 13:49:58 -07:00

33 lines
1,004 B
Go

package main
import (
"encoding/json"
"fmt"
"strings"
"github.com/docker/docker/api/types"
"github.com/go-check/check"
)
func (s *DockerSuite) TestCliStatsNoStreamGetCpu(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "--cpu-quota=2000", "busybox", "/bin/sh", "-c", "while true;do echo 'Hello';done")
id := strings.TrimSpace(out)
err := waitRun(id)
c.Assert(err, check.IsNil)
_, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/stats?stream=false", id), nil, "")
c.Assert(err, check.IsNil)
var v *types.Stats
err = json.NewDecoder(body).Decode(&v)
c.Assert(err, check.IsNil)
var cpuPercent = 0.0
cpuDelta := float64(v.CpuStats.CpuUsage.TotalUsage - v.PreCpuStats.CpuUsage.TotalUsage)
systemDelta := float64(v.CpuStats.SystemUsage - v.PreCpuStats.SystemUsage)
cpuPercent = (cpuDelta / systemDelta) * float64(len(v.CpuStats.CpuUsage.PercpuUsage)) * 100.0
if cpuPercent == 0 {
c.Fatalf("docker stats with no-stream get cpu usage failed: was %v", cpuPercent)
}
}