github.com/guilhermebr/docker@v1.4.2-0.20150428121140-67da055cebca/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  	imagesCmd := exec.Command(dockerBinary, "inspect", "--format='{{.Id}}'", imageTest)
    16  	out, exitCode, err := runCommandWithOutput(imagesCmd)
    17  	if exitCode != 0 || err != nil {
    18  		c.Fatalf("failed to inspect image: %s, %v", out, err)
    19  	}
    20  
    21  	if id := strings.TrimSuffix(out, "\n"); id != imageTestID {
    22  		c.Fatalf("Expected id: %s for image: %s but received id: %s", imageTestID, imageTest, id)
    23  	}
    24  
    25  }
    26  
    27  func (s *DockerSuite) TestInspectInt64(c *check.C) {
    28  	runCmd := exec.Command(dockerBinary, "run", "-d", "-m=300M", "busybox", "true")
    29  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    30  	if err != nil {
    31  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    32  	}
    33  
    34  	out = strings.TrimSpace(out)
    35  
    36  	inspectCmd := exec.Command(dockerBinary, "inspect", "-f", "{{.HostConfig.Memory}}", out)
    37  	inspectOut, _, err := runCommandWithOutput(inspectCmd)
    38  	if err != nil {
    39  		c.Fatalf("failed to inspect container: %v, output: %q", err, inspectOut)
    40  	}
    41  
    42  	if strings.TrimSpace(inspectOut) != "314572800" {
    43  		c.Fatalf("inspect got wrong value, got: %q, expected: 314572800", inspectOut)
    44  	}
    45  }
    46  
    47  func (s *DockerSuite) TestInspectImageFilterInt(c *check.C) {
    48  	imageTest := "emptyfs"
    49  	imagesCmd := exec.Command(dockerBinary, "inspect", "--format='{{.Size}}'", imageTest)
    50  	out, exitCode, err := runCommandWithOutput(imagesCmd)
    51  	if exitCode != 0 || err != nil {
    52  		c.Fatalf("failed to inspect image: %s, %v", out, err)
    53  	}
    54  	size, err := strconv.Atoi(strings.TrimSuffix(out, "\n"))
    55  	if err != nil {
    56  		c.Fatalf("failed to inspect size of the image: %s, %v", out, err)
    57  	}
    58  
    59  	//now see if the size turns out to be the same
    60  	formatStr := fmt.Sprintf("--format='{{eq .Size %d}}'", size)
    61  	imagesCmd = exec.Command(dockerBinary, "inspect", formatStr, imageTest)
    62  	out, exitCode, err = runCommandWithOutput(imagesCmd)
    63  	if exitCode != 0 || err != nil {
    64  		c.Fatalf("failed to inspect image: %s, %v", out, err)
    65  	}
    66  	if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
    67  		c.Fatalf("Expected size: %d for image: %s but received size: %s", size, imageTest, strings.TrimSuffix(out, "\n"))
    68  	}
    69  }
    70  
    71  func (s *DockerSuite) TestInspectContainerFilterInt(c *check.C) {
    72  	runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`)
    73  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    74  	if err != nil {
    75  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    76  	}
    77  
    78  	id := strings.TrimSpace(out)
    79  
    80  	runCmd = exec.Command(dockerBinary, "inspect", "--format='{{.State.ExitCode}}'", id)
    81  	out, _, err = runCommandWithOutput(runCmd)
    82  	if err != nil {
    83  		c.Fatalf("failed to inspect container: %s, %v", out, err)
    84  	}
    85  	exitCode, err := strconv.Atoi(strings.TrimSuffix(out, "\n"))
    86  	if err != nil {
    87  		c.Fatalf("failed to inspect exitcode of the container: %s, %v", out, err)
    88  	}
    89  
    90  	//now get the exit code to verify
    91  	formatStr := fmt.Sprintf("--format='{{eq .State.ExitCode %d}}'", exitCode)
    92  	runCmd = exec.Command(dockerBinary, "inspect", formatStr, id)
    93  	out, _, err = runCommandWithOutput(runCmd)
    94  	if err != nil {
    95  		c.Fatalf("failed to inspect container: %s, %v", out, err)
    96  	}
    97  	if result, err := strconv.ParseBool(strings.TrimSuffix(out, "\n")); err != nil || !result {
    98  		c.Fatalf("Expected exitcode: %d for container: %s", exitCode, id)
    99  	}
   100  }