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)) }