docker/integration-cli/docker_cli_stats_test.go

51 строка
1.5 KiB
Go

package main
import (
"os/exec"
"strings"
"time"
"github.com/docker/docker/pkg/integration/checker"
"github.com/go-check/check"
)
func (s *DockerSuite) TestStatsNoStream(c *check.C) {
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
id := strings.TrimSpace(out)
c.Assert(waitRun(id), checker.IsNil)
statsCmd := exec.Command(dockerBinary, "stats", "--no-stream", id)
type output struct {
out []byte
err error
}
ch := make(chan output)
go func() {
out, err := statsCmd.Output()
ch <- output{out, err}
}()
select {
case outerr := <-ch:
c.Assert(outerr.err, checker.IsNil, check.Commentf("Error running stats: %v", outerr.err))
c.Assert(string(outerr.out), checker.Contains, id) //running container wasn't present in output
case <-time.After(3 * time.Second):
statsCmd.Process.Kill()
c.Fatalf("stats did not return immediately when not streaming")
}
}
func (s *DockerSuite) TestStatsContainerNotFound(c *check.C) {
testRequires(c, DaemonIsLinux)
out, _, err := dockerCmdWithError("stats", "notfound")
c.Assert(err, checker.NotNil)
c.Assert(out, checker.Contains, "no such id: notfound", check.Commentf("Expected to fail on not found container stats, got %q instead", out))
out, _, err = dockerCmdWithError("stats", "--no-stream", "notfound")
c.Assert(err, checker.NotNil)
c.Assert(out, checker.Contains, "no such id: notfound", check.Commentf("Expected to fail on not found container stats with --no-stream, got %q instead", out))
}