package main
 
 import (
 	"strings"

 	"github.com/docker/docker/pkg/integration/checker"

 	icmd "github.com/docker/docker/pkg/integration/cmd"

 	"github.com/go-check/check"

 )
 

 func (s *DockerSuite) TestTopMultipleArgs(c *check.C) {

 	out, _ := runSleepingContainer(c, "-d")

 	cleanedContainerID := strings.TrimSpace(out)

 	var expected icmd.Expected
 	switch daemonPlatform {
 	case "windows":
 		expected = icmd.Expected{ExitCode: 1, Err: "Windows does not support arguments to top"}
 	default:
 		expected = icmd.Expected{Out: "PID"}
 	}
 	result := dockerCmdWithResult("top", cleanedContainerID, "-o", "pid")
 	c.Assert(result, icmd.Matches, expected)

 }
 

 func (s *DockerSuite) TestTopNonPrivileged(c *check.C) {

 	out, _ := runSleepingContainer(c, "-d")

 	cleanedContainerID := strings.TrimSpace(out)

 	out1, _ := dockerCmd(c, "top", cleanedContainerID)
 	out2, _ := dockerCmd(c, "top", cleanedContainerID)

 	dockerCmd(c, "kill", cleanedContainerID)

 	// Windows will list the name of the launched executable which in this case is busybox.exe, without the parameters.
 	// Linux will display the command executed in the container
 	var lookingFor string
 	if daemonPlatform == "windows" {
 		lookingFor = "busybox.exe"
 	} else {
 		lookingFor = "top"
 	}
 
 	c.Assert(out1, checker.Contains, lookingFor, check.Commentf("top should've listed `%s` in the process list, but failed the first time", lookingFor))
 	c.Assert(out2, checker.Contains, lookingFor, check.Commentf("top should've listed `%s` in the process list, but failed the second time", lookingFor))
 }
 
 // TestTopWindowsCoreProcesses validates that there are lines for the critical
 // processes which are found in a Windows container. Note Windows is architecturally
 // very different to Linux in this regard.
 func (s *DockerSuite) TestTopWindowsCoreProcesses(c *check.C) {
 	testRequires(c, DaemonIsWindows)
 	out, _ := runSleepingContainer(c, "-d")
 	cleanedContainerID := strings.TrimSpace(out)
 	out1, _ := dockerCmd(c, "top", cleanedContainerID)
 	lookingFor := []string{"smss.exe", "csrss.exe", "wininit.exe", "services.exe", "lsass.exe", "CExecSvc.exe"}
 	for i, s := range lookingFor {
 		c.Assert(out1, checker.Contains, s, check.Commentf("top should've listed `%s` in the process list, but failed. Test case %d", s, i))
 	}

 }
 

 func (s *DockerSuite) TestTopPrivileged(c *check.C) {

 	// Windows does not support --privileged

 	testRequires(c, DaemonIsLinux, NotUserNamespace)

 	out, _ := dockerCmd(c, "run", "--privileged", "-i", "-d", "busybox", "top")

 	cleanedContainerID := strings.TrimSpace(out)

 	out1, _ := dockerCmd(c, "top", cleanedContainerID)
 	out2, _ := dockerCmd(c, "top", cleanedContainerID)

 	dockerCmd(c, "kill", cleanedContainerID)

 	c.Assert(out1, checker.Contains, "top", check.Commentf("top should've listed `top` in the process list, but failed the first time"))
 	c.Assert(out2, checker.Contains, "top", check.Commentf("top should've listed `top` in the process list, but failed the second time"))

 }