package main import ( "os/exec" "strings" "github.com/go-check/check" ) func (s *DockerSuite) TestTopMultipleArgs(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-i", "-d", "busybox", "top") out, _, err := runCommandWithOutput(runCmd) if err != nil { c.Fatalf("failed to start the container: %s, %v", out, err) } cleanedContainerID := strings.TrimSpace(out) topCmd := exec.Command(dockerBinary, "top", cleanedContainerID, "-o", "pid") out, _, err = runCommandWithOutput(topCmd) if err != nil { c.Fatalf("failed to run top: %s, %v", out, err) } if !strings.Contains(out, "PID") { c.Fatalf("did not see PID after top -o pid: %s", out) } } func (s *DockerSuite) TestTopNonPrivileged(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-i", "-d", "busybox", "top") out, _, err := runCommandWithOutput(runCmd) if err != nil { c.Fatalf("failed to start the container: %s, %v", out, err) } cleanedContainerID := strings.TrimSpace(out) topCmd := exec.Command(dockerBinary, "top", cleanedContainerID) out1, _, err := runCommandWithOutput(topCmd) if err != nil { c.Fatalf("failed to run top: %s, %v", out1, err) } topCmd = exec.Command(dockerBinary, "top", cleanedContainerID) out2, _, err := runCommandWithOutput(topCmd) if err != nil { c.Fatalf("failed to run top: %s, %v", out2, err) } killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID) if out, _, err = runCommandWithOutput(killCmd); err != nil { c.Fatalf("failed to kill container: %s, %v", out, err) } if !strings.Contains(out1, "top") && !strings.Contains(out2, "top") { c.Fatal("top should've listed `top` in the process list, but failed twice") } else if !strings.Contains(out1, "top") { c.Fatal("top should've listed `top` in the process list, but failed the first time") } else if !strings.Contains(out2, "top") { c.Fatal("top should've listed `top` in the process list, but failed the second itime") } } func (s *DockerSuite) TestTopPrivileged(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--privileged", "-i", "-d", "busybox", "top") out, _, err := runCommandWithOutput(runCmd) if err != nil { c.Fatalf("failed to start the container: %s, %v", out, err) } cleanedContainerID := strings.TrimSpace(out) topCmd := exec.Command(dockerBinary, "top", cleanedContainerID) out1, _, err := runCommandWithOutput(topCmd) if err != nil { c.Fatalf("failed to run top: %s, %v", out1, err) } topCmd = exec.Command(dockerBinary, "top", cleanedContainerID) out2, _, err := runCommandWithOutput(topCmd) if err != nil { c.Fatalf("failed to run top: %s, %v", out2, err) } killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID) if out, _, err = runCommandWithOutput(killCmd); err != nil { c.Fatalf("failed to kill container: %s, %v", out, err) } if !strings.Contains(out1, "top") && !strings.Contains(out2, "top") { c.Fatal("top should've listed `top` in the process list, but failed twice") } else if !strings.Contains(out1, "top") { c.Fatal("top should've listed `top` in the process list, but failed the first time") } else if !strings.Contains(out2, "top") { c.Fatal("top should've listed `top` in the process list, but failed the second itime") } }