github.com/miqui/docker@v1.9.1/integration-cli/docker_cli_stats_test.go (about) 1 package main 2 3 import ( 4 "os/exec" 5 "strings" 6 "time" 7 8 "github.com/docker/docker/pkg/integration/checker" 9 "github.com/go-check/check" 10 ) 11 12 func (s *DockerSuite) TestStatsNoStream(c *check.C) { 13 testRequires(c, DaemonIsLinux) 14 out, _ := dockerCmd(c, "run", "-d", "busybox", "top") 15 id := strings.TrimSpace(out) 16 c.Assert(waitRun(id), checker.IsNil) 17 18 statsCmd := exec.Command(dockerBinary, "stats", "--no-stream", id) 19 type output struct { 20 out []byte 21 err error 22 } 23 24 ch := make(chan output) 25 go func() { 26 out, err := statsCmd.Output() 27 ch <- output{out, err} 28 }() 29 30 select { 31 case outerr := <-ch: 32 c.Assert(outerr.err, checker.IsNil, check.Commentf("Error running stats: %v", outerr.err)) 33 c.Assert(string(outerr.out), checker.Contains, id) //running container wasn't present in output 34 case <-time.After(3 * time.Second): 35 statsCmd.Process.Kill() 36 c.Fatalf("stats did not return immediately when not streaming") 37 } 38 } 39 40 func (s *DockerSuite) TestStatsContainerNotFound(c *check.C) { 41 testRequires(c, DaemonIsLinux) 42 43 out, _, err := dockerCmdWithError("stats", "notfound") 44 c.Assert(err, checker.NotNil) 45 c.Assert(out, checker.Contains, "no such id: notfound", check.Commentf("Expected to fail on not found container stats, got %q instead", out)) 46 47 out, _, err = dockerCmdWithError("stats", "--no-stream", "notfound") 48 c.Assert(err, checker.NotNil) 49 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)) 50 }