github.com/guilhermebr/docker@v1.4.2-0.20150428121140-67da055cebca/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  	deleteContainer(cleanedContainerID)
    58  
    59  	if !strings.Contains(out1, "top") && !strings.Contains(out2, "top") {
    60  		c.Fatal("top should've listed `top` in the process list, but failed twice")
    61  	} else if !strings.Contains(out1, "top") {
    62  		c.Fatal("top should've listed `top` in the process list, but failed the first time")
    63  	} else if !strings.Contains(out2, "top") {
    64  		c.Fatal("top should've listed `top` in the process list, but failed the second itime")
    65  	}
    66  
    67  }
    68  
    69  func (s *DockerSuite) TestTopPrivileged(c *check.C) {
    70  	runCmd := exec.Command(dockerBinary, "run", "--privileged", "-i", "-d", "busybox", "top")
    71  	out, _, err := runCommandWithOutput(runCmd)
    72  	if err != nil {
    73  		c.Fatalf("failed to start the container: %s, %v", out, err)
    74  	}
    75  
    76  	cleanedContainerID := strings.TrimSpace(out)
    77  
    78  	topCmd := exec.Command(dockerBinary, "top", cleanedContainerID)
    79  	out1, _, err := runCommandWithOutput(topCmd)
    80  	if err != nil {
    81  		c.Fatalf("failed to run top: %s, %v", out1, err)
    82  	}
    83  
    84  	topCmd = exec.Command(dockerBinary, "top", cleanedContainerID)
    85  	out2, _, err := runCommandWithOutput(topCmd)
    86  	if err != nil {
    87  		c.Fatalf("failed to run top: %s, %v", out2, err)
    88  	}
    89  
    90  	killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
    91  	if out, _, err = runCommandWithOutput(killCmd); err != nil {
    92  		c.Fatalf("failed to kill container: %s, %v", out, err)
    93  	}
    94  
    95  	deleteContainer(cleanedContainerID)
    96  
    97  	if !strings.Contains(out1, "top") && !strings.Contains(out2, "top") {
    98  		c.Fatal("top should've listed `top` in the process list, but failed twice")
    99  	} else if !strings.Contains(out1, "top") {
   100  		c.Fatal("top should've listed `top` in the process list, but failed the first time")
   101  	} else if !strings.Contains(out2, "top") {
   102  		c.Fatal("top should've listed `top` in the process list, but failed the second itime")
   103  	}
   104  
   105  }