// +build !windows
 
 package main
 
 import (
 	"fmt"
 	"io/ioutil"
 	"os"
 	"os/exec"

 	"path"

 	"path/filepath"
 	"strings"
 	"testing"
 	"time"
 
 	"github.com/docker/docker/pkg/mount"
 	"github.com/kr/pty"
 )
 
 // #6509
 func TestRunRedirectStdout(t *testing.T) {
 
 	defer deleteAllContainers()
 
 	checkRedirect := func(command string) {
 		_, tty, err := pty.Open()
 		if err != nil {
 			t.Fatalf("Could not open pty: %v", err)
 		}
 		cmd := exec.Command("sh", "-c", command)
 		cmd.Stdin = tty
 		cmd.Stdout = tty
 		cmd.Stderr = tty
 		ch := make(chan struct{})
 		if err := cmd.Start(); err != nil {
 			t.Fatalf("start err: %v", err)
 		}
 		go func() {
 			if err := cmd.Wait(); err != nil {
 				t.Fatalf("wait err=%v", err)
 			}
 			close(ch)
 		}()
 
 		select {
 		case <-time.After(10 * time.Second):
 			t.Fatal("command timeout")
 		case <-ch:
 		}
 	}
 
 	checkRedirect(dockerBinary + " run -i busybox cat /etc/passwd | grep -q root")
 	checkRedirect(dockerBinary + " run busybox cat /etc/passwd | grep -q root")
 
 	logDone("run - redirect stdout")
 }
 
 // Test recursive bind mount works by default
 func TestRunWithVolumesIsRecursive(t *testing.T) {

 	defer deleteAllContainers()
 

 	tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test")
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	defer os.RemoveAll(tmpDir)
 
 	// Create a temporary tmpfs mount.
 	tmpfsDir := filepath.Join(tmpDir, "tmpfs")
 	if err := os.MkdirAll(tmpfsDir, 0777); err != nil {
 		t.Fatalf("failed to mkdir at %s - %s", tmpfsDir, err)
 	}
 	if err := mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""); err != nil {
 		t.Fatalf("failed to create a tmpfs mount at %s - %s", tmpfsDir, err)
 	}
 
 	f, err := ioutil.TempFile(tmpfsDir, "touch-me")
 	if err != nil {
 		t.Fatal(err)
 	}
 	defer f.Close()
 
 	runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs")
 	out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
 	if err != nil && exitCode != 0 {
 		t.Fatal(out, stderr, err)
 	}
 	if !strings.Contains(out, filepath.Base(f.Name())) {
 		t.Fatal("Recursive bind mount test failed. Expected file not found")
 	}
 
 	logDone("run - volumes are bind mounted recursively")
 }

 
 func TestRunWithUlimits(t *testing.T) {

 	testRequires(t, NativeExecDriver)

 	defer deleteAllContainers()
 	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name=testulimits", "--ulimit", "nofile=42", "busybox", "/bin/sh", "-c", "ulimit -n"))
 	if err != nil {
 		t.Fatal(err, out)
 	}
 
 	ul := strings.TrimSpace(out)
 	if ul != "42" {
 		t.Fatalf("expected `ulimit -n` to be 42, got %s", ul)
 	}
 
 	logDone("run - ulimits are set")
 }

 
 func TestRunContainerWithCgroupParent(t *testing.T) {
 	testRequires(t, NativeExecDriver)
 	defer deleteAllContainers()
 
 	cgroupParent := "test"
 	data, err := ioutil.ReadFile("/proc/self/cgroup")
 	if err != nil {
 		t.Fatalf("failed to read '/proc/self/cgroup - %v", err)
 	}

 	selfCgroupPaths := parseCgroupPaths(string(data))

 	selfCpuCgroup, found := selfCgroupPaths["memory"]

 	if !found {
 		t.Fatalf("unable to find self cpu cgroup path. CgroupsPath: %v", selfCgroupPaths)
 	}
 
 	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--cgroup-parent", cgroupParent, "--rm", "busybox", "cat", "/proc/self/cgroup"))
 	if err != nil {
 		t.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err)
 	}

 	cgroupPaths := parseCgroupPaths(string(out))

 	if len(cgroupPaths) == 0 {
 		t.Fatalf("unexpected output - %q", string(out))
 	}
 	found = false
 	expectedCgroupPrefix := path.Join(selfCpuCgroup, cgroupParent)
 	for _, path := range cgroupPaths {
 		if strings.HasPrefix(path, expectedCgroupPrefix) {
 			found = true
 			break
 		}
 	}
 	if !found {
 		t.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have prefix %q. Cgroup Paths: %v", expectedCgroupPrefix, cgroupPaths)
 	}
 	logDone("run - cgroup parent")
 }
 
 func TestRunContainerWithCgroupParentAbsPath(t *testing.T) {
 	testRequires(t, NativeExecDriver)
 	defer deleteAllContainers()
 
 	cgroupParent := "/cgroup-parent/test"
 
 	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--cgroup-parent", cgroupParent, "--rm", "busybox", "cat", "/proc/self/cgroup"))
 	if err != nil {
 		t.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err)
 	}

 	cgroupPaths := parseCgroupPaths(string(out))

 	if len(cgroupPaths) == 0 {
 		t.Fatalf("unexpected output - %q", string(out))
 	}
 	found := false
 	for _, path := range cgroupPaths {
 		if strings.HasPrefix(path, cgroupParent) {
 			found = true
 			break
 		}
 	}
 	if !found {
 		t.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have prefix %q. Cgroup Paths: %v", cgroupParent, cgroupPaths)
 	}
 
 	logDone("run - cgroup parent with absolute cgroup path")
 }