github.com/michael-k/docker@v1.7.0-rc2/integration-cli/docker_cli_top_test.go (about)

     1  package main
     2  
     3  import (
     4  	"os/exec"
     5  	"strings"
     6  
     7  	"github.com/go-check/check"
     8  )
     9  
    10  func (s *DockerSuite) TestTopMultipleArgs(c *check.C) {
    11  	runCmd := exec.Command(dockerBinary, "run", "-i", "-d", "busybox", "top")
    12  	out, _, err := runCommandWithOutput(runCmd)
    13  	if err != nil {
    14  		c.Fatalf("failed to start the container: %s, %v", out, err)
    15  	}
    16  
    17  	cleanedContainerID := strings.TrimSpace(out)
    18  
    19  	topCmd := exec.Command(dockerBinary, "top", cleanedContainerID, "-o", "pid")
    20  	out, _, err = runCommandWithOutput(topCmd)
    21  	if err != nil {
    22  		c.Fatalf("failed to run top: %s, %v", out, err)
    23  	}
    24  
    25  	if !strings.Contains(out, "PID") {
    26  		c.Fatalf("did not see PID after top -o pid: %s", out)
    27  	}
    28  
    29  }
    30  
    31  func (s *DockerSuite) TestTopNonPrivileged(c *check.C) {
    32  	runCmd := exec.Command(dockerBinary, "run", "-i", "-d", "busybox", "top")
    33  	out, _, err := runCommandWithOutput(runCmd)
    34  	if err != nil {
    35  		c.Fatalf("failed to start the container: %s, %v", out, err)
    36  	}
    37  
    38  	cleanedContainerID := strings.TrimSpace(out)
    39  
    40  	topCmd := exec.Command(dockerBinary, "top", cleanedContainerID)
    41  	out1, _, err := runCommandWithOutput(topCmd)
    42  	if err != nil {
    43  		c.Fatalf("failed to run top: %s, %v", out1, err)
    44  	}
    45  
    46  	topCmd = exec.Command(dockerBinary, "top", cleanedContainerID)
    47  	out2, _, err := runCommandWithOutput(topCmd)
    48  	if err != nil {
    49  		c.Fatalf("failed to run top: %s, %v", out2, err)
    50  	}
    51  
    52  	killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
    53  	if out, _, err = runCommandWithOutput(killCmd); err != nil {
    54  		c.Fatalf("failed to kill container: %s, %v", out, err)
    55  	}
    56  
    57  	if !strings.Contains(out1, "top") && !strings.Contains(out2, "top") {
    58  		c.Fatal("top should've listed `top` in the process list, but failed twice")
    59  	} else if !strings.Contains(out1, "top") {
    60  		c.Fatal("top should've listed `top` in the process list, but failed the first time")
    61  	} else if !strings.Contains(out2, "top") {
    62  		c.Fatal("top should've listed `top` in the process list, but failed the second itime")
    63  	}
    64  
    65  }
    66  
    67  func (s *DockerSuite) TestTopPrivileged(c *check.C) {
    68  	runCmd := exec.Command(dockerBinary, "run", "--privileged", "-i", "-d", "busybox", "top")
    69  	out, _, err := runCommandWithOutput(runCmd)
    70  	if err != nil {
    71  		c.Fatalf("failed to start the container: %s, %v", out, err)
    72  	}
    73  
    74  	cleanedContainerID := strings.TrimSpace(out)
    75  
    76  	topCmd := exec.Command(dockerBinary, "top", cleanedContainerID)
    77  	out1, _, err := runCommandWithOutput(topCmd)
    78  	if err != nil {
    79  		c.Fatalf("failed to run top: %s, %v", out1, err)
    80  	}
    81  
    82  	topCmd = exec.Command(dockerBinary, "top", cleanedContainerID)
    83  	out2, _, err := runCommandWithOutput(topCmd)
    84  	if err != nil {
    85  		c.Fatalf("failed to run top: %s, %v", out2, err)
    86  	}
    87  
    88  	killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
    89  	if out, _, err = runCommandWithOutput(killCmd); err != nil {
    90  		c.Fatalf("failed to kill container: %s, %v", out, err)
    91  	}
    92  
    93  	if !strings.Contains(out1, "top") && !strings.Contains(out2, "top") {
    94  		c.Fatal("top should've listed `top` in the process list, but failed twice")
    95  	} else if !strings.Contains(out1, "top") {
    96  		c.Fatal("top should've listed `top` in the process list, but failed the first time")
    97  	} else if !strings.Contains(out2, "top") {
    98  		c.Fatal("top should've listed `top` in the process list, but failed the second itime")
    99  	}
   100  
   101  }