// TestAttachDetach checks that attach in tty mode can be detached using the long container ID func TestAttachDetach(t *testing.T) { stdin, stdinPipe := io.Pipe() stdout, stdoutPipe := io.Pipe() cli := docker.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr) defer cleanup(globalEngine, t) ch := make(chan struct{}) go func() { defer close(ch) if err := cli.CmdRun("-i", "-t", "-d", unitTestImageID, "cat"); err != nil { t.Fatal(err) } }() var container *docker.Container setTimeout(t, "Reading container's id timed out", 10*time.Second, func() { buf := make([]byte, 1024) n, err := stdout.Read(buf) if err != nil { t.Fatal(err) } container = globalRuntime.List()[0] if strings.Trim(string(buf[:n]), " \r\n") != container.ID { t.Fatalf("Wrong ID received. Expect %s, received %s", container.ID, buf[:n]) } }) setTimeout(t, "Starting container timed out", 10*time.Second, func() { <-ch }) stdin, stdinPipe = io.Pipe() stdout, stdoutPipe = io.Pipe() cli = docker.NewDockerCli(stdin, stdoutPipe, ioutil.Discard, testDaemonProto, testDaemonAddr) ch = make(chan struct{}) go func() { defer close(ch) if err := cli.CmdAttach(container.ID); err != nil { if err != io.ErrClosedPipe { t.Fatal(err) } } }() setTimeout(t, "First read/write assertion timed out", 2*time.Second, func() { if err := assertPipe("hello\n", "hello", stdout, stdinPipe, 15); err != nil { if err != io.ErrClosedPipe { t.Fatal(err) } } }) setTimeout(t, "Escape sequence timeout", 5*time.Second, func() { stdinPipe.Write([]byte{16, 17}) if err := stdinPipe.Close(); err != nil { t.Fatal(err) } }) closeWrap(stdin, stdinPipe, stdout, stdoutPipe) // wait for CmdRun to return setTimeout(t, "Waiting for CmdAttach timed out", 15*time.Second, func() { <-ch }) time.Sleep(500 * time.Millisecond) if !container.State.IsRunning() { t.Fatal("The detached container should be still running") } setTimeout(t, "Waiting for container to die timedout", 5*time.Second, func() { container.Kill() }) }