github.com/adityamillind98/moby@v23.0.0-rc.4+incompatible/integration-cli/docker_cli_top_test.go (about) 1 package main 2 3 import ( 4 "strings" 5 "testing" 6 7 "gotest.tools/v3/assert" 8 "gotest.tools/v3/icmd" 9 ) 10 11 type DockerCLITopSuite struct { 12 ds *DockerSuite 13 } 14 15 func (s *DockerCLITopSuite) TearDownTest(c *testing.T) { 16 s.ds.TearDownTest(c) 17 } 18 19 func (s *DockerCLITopSuite) OnTimeout(c *testing.T) { 20 s.ds.OnTimeout(c) 21 } 22 23 func (s *DockerCLITopSuite) TestTopMultipleArgs(c *testing.T) { 24 out := runSleepingContainer(c, "-d") 25 cleanedContainerID := strings.TrimSpace(out) 26 27 var expected icmd.Expected 28 switch testEnv.OSType { 29 case "windows": 30 expected = icmd.Expected{ExitCode: 1, Err: "Windows does not support arguments to top"} 31 default: 32 expected = icmd.Expected{Out: "PID"} 33 } 34 result := dockerCmdWithResult("top", cleanedContainerID, "-o", "pid") 35 result.Assert(c, expected) 36 } 37 38 func (s *DockerCLITopSuite) TestTopNonPrivileged(c *testing.T) { 39 out := runSleepingContainer(c, "-d") 40 cleanedContainerID := strings.TrimSpace(out) 41 42 out1, _ := dockerCmd(c, "top", cleanedContainerID) 43 out2, _ := dockerCmd(c, "top", cleanedContainerID) 44 dockerCmd(c, "kill", cleanedContainerID) 45 46 // Windows will list the name of the launched executable which in this case is busybox.exe, without the parameters. 47 // Linux will display the command executed in the container 48 var lookingFor string 49 if testEnv.OSType == "windows" { 50 lookingFor = "busybox.exe" 51 } else { 52 lookingFor = "top" 53 } 54 55 assert.Assert(c, strings.Contains(out1, lookingFor), "top should've listed `%s` in the process list, but failed the first time", lookingFor) 56 assert.Assert(c, strings.Contains(out2, lookingFor), "top should've listed `%s` in the process list, but failed the second time", lookingFor) 57 } 58 59 // TestTopWindowsCoreProcesses validates that there are lines for the critical 60 // processes which are found in a Windows container. Note Windows is architecturally 61 // very different to Linux in this regard. 62 func (s *DockerCLITopSuite) TestTopWindowsCoreProcesses(c *testing.T) { 63 testRequires(c, DaemonIsWindows) 64 out := runSleepingContainer(c, "-d") 65 cleanedContainerID := strings.TrimSpace(out) 66 out1, _ := dockerCmd(c, "top", cleanedContainerID) 67 lookingFor := []string{"smss.exe", "csrss.exe", "wininit.exe", "services.exe", "lsass.exe", "CExecSvc.exe"} 68 for i, s := range lookingFor { 69 assert.Assert(c, strings.Contains(out1, s), "top should've listed `%s` in the process list, but failed. Test case %d", s, i) 70 } 71 } 72 73 func (s *DockerCLITopSuite) TestTopPrivileged(c *testing.T) { 74 // Windows does not support --privileged 75 testRequires(c, DaemonIsLinux, NotUserNamespace) 76 out, _ := dockerCmd(c, "run", "--privileged", "-i", "-d", "busybox", "top") 77 cleanedContainerID := strings.TrimSpace(out) 78 79 out1, _ := dockerCmd(c, "top", cleanedContainerID) 80 out2, _ := dockerCmd(c, "top", cleanedContainerID) 81 dockerCmd(c, "kill", cleanedContainerID) 82 83 assert.Assert(c, strings.Contains(out1, "top"), "top should've listed `top` in the process list, but failed the first time") 84 assert.Assert(c, strings.Contains(out2, "top"), "top should've listed `top` in the process list, but failed the second time") 85 }