package main
 
 import (

 	"os"

 	"os/exec"

 	"strings"

 
 	"github.com/go-check/check"

 )
 
 // export an image and try to import it into a new one

 func (s *DockerSuite) TestExportContainerAndImportImage(c *check.C) {

 	containerID := "testexportcontainerandimportimage"
 

 	dockerCmd(c, "run", "--name", containerID, "busybox", "true")

 	out, _ := dockerCmd(c, "export", containerID)

 	importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1")
 	importCmd.Stdin = strings.NewReader(out)

 	out, _, err := runCommandWithOutput(importCmd)

 	if err != nil {

 		c.Fatalf("failed to import image: %s, %v", out, err)

 	}

 	cleanedImageID := strings.TrimSpace(out)

 	if cleanedImageID == "" {
 		c.Fatalf("output should have been an image id, got: %s", out)

 	}

 }

 
 // Used to test output flag in the export command

 func (s *DockerSuite) TestExportContainerWithOutputAndImportImage(c *check.C) {

 	containerID := "testexportcontainerwithoutputandimportimage"
 

 	dockerCmd(c, "run", "--name", containerID, "busybox", "true")
 	dockerCmd(c, "export", "--output=testexp.tar", containerID)

 	defer os.Remove("testexp.tar")
 

 	out, _, err := runCommandWithOutput(exec.Command("cat", "testexp.tar"))

 	if err != nil {

 		c.Fatal(out, err)

 	}
 
 	importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1")
 	importCmd.Stdin = strings.NewReader(out)

 	out, _, err = runCommandWithOutput(importCmd)
 	if err != nil {

 		c.Fatalf("failed to import image: %s, %v", out, err)

 	}
 

 	cleanedImageID := strings.TrimSpace(out)

 	if cleanedImageID == "" {
 		c.Fatalf("output should have been an image id, got: %s", out)

 	}
 }