github.com/jogo/docker@v1.7.0-rc1/integration-cli/docker_cli_inspect_test.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"os/exec"
     6  	"strconv"
     7  	"strings"
     8  
     9  	"github.com/go-check/check"
    10  )
    11  
    12  func (s *DockerSuite) TestInspectImage(c *check.C) {
    13  	imageTest := "emptyfs"
    14  	imageTestID := "511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158"
    15  	id, err := inspectField(imageTest, "Id")
    16  	c.Assert(err, check.IsNil)
    17  
    18  	if id != imageTestID {
    19  		c.Fatalf("Expected id: %s for image: %s but received id: %s", imageTestID, imageTest, id)
    20  	}
    21  
    22  }
    23  
    24  func (s *DockerSuite) TestInspectInt64(c *check.C) {
    25  	runCmd := exec.Command(dockerBinary, "run", "-d", "-m=300M", "busybox", "true")
    26  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    27  	if err != nil {
    28  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    29  	}
    30  
    31  	out = strings.TrimSpace(out)
    32  
    33  	inspectOut, err := inspectField(out, "HostConfig.Memory")
    34  	c.Assert(err, check.IsNil)
    35  
    36  	if inspectOut != "314572800" {
    37  		c.Fatalf("inspect got wrong value, got: %q, expected: 314572800", inspectOut)
    38  	}
    39  }
    40  
    41  func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) {
    42  	imageTest := "emptyfs"
    43  	out, err := inspectField(imageTest, "Size")
    44  	c.Assert(err, check.IsNil)
    45  
    46  	size, err := strconv.Atoi(out)
    47  	if err != nil {
    48  		c.Fatalf("failed to inspect size of the image: %s, %v", out, err)
    49  	}
    50  
    51  	//now see if the size turns out to be the same
    52  	formatStr := fmt.Sprintf("--format='{{eq .Size %d}}'", size)
    53  	imagesCmd := exec.Command(dockerBinary, "inspect", formatStr, imageTest)
    54  	out, exitCode, err := runCommandWithOutput(imagesCmd)
    55  	if exitCode != 0 || err != nil {
    56  		c.Fatalf("failed to inspect image: %s, %v", out, err)
    57  	}
    58  	if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
    59  		c.Fatalf("Expected size: %d for image: %s but received size: %s", size, imageTest, strings.TrimSuffix(out, "\n"))
    60  	}
    61  }
    62  
    63  func (s *DockerSuite) TestInspectContainerFilterInt(c *check.C) {
    64  	runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat")
    65  	runCmd.Stdin = strings.NewReader("blahblah")
    66  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    67  	if err != nil {
    68  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    69  	}
    70  
    71  	id := strings.TrimSpace(out)
    72  
    73  	out, err = inspectField(id, "State.ExitCode")
    74  	c.Assert(err, check.IsNil)
    75  
    76  	exitCode, err := strconv.Atoi(out)
    77  	if err != nil {
    78  		c.Fatalf("failed to inspect exitcode of the container: %s, %v", out, err)
    79  	}
    80  
    81  	//now get the exit code to verify
    82  	formatStr := fmt.Sprintf("--format='{{eq .State.ExitCode %d}}'", exitCode)
    83  	runCmd = exec.Command(dockerBinary, "inspect", formatStr, id)
    84  	out, _, err = runCommandWithOutput(runCmd)
    85  	if err != nil {
    86  		c.Fatalf("failed to inspect container: %s, %v", out, err)
    87  	}
    88  	if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
    89  		c.Fatalf("Expected exitcode: %d for container: %s", exitCode, id)
    90  	}
    91  }