github.com/SophiaGitHub/hello@v1.7.1-rc3/integration-cli/docker_cli_export_import_test.go (about) 1 package main 2 3 import ( 4 "os" 5 "os/exec" 6 "strings" 7 8 "github.com/go-check/check" 9 ) 10 11 // export an image and try to import it into a new one 12 func (s *DockerSuite) TestExportContainerAndImportImage(c *check.C) { 13 containerID := "testexportcontainerandimportimage" 14 15 runCmd := exec.Command(dockerBinary, "run", "--name", containerID, "busybox", "true") 16 out, _, err := runCommandWithOutput(runCmd) 17 if err != nil { 18 c.Fatal("failed to create a container", out, err) 19 } 20 21 exportCmd := exec.Command(dockerBinary, "export", containerID) 22 if out, _, err = runCommandWithOutput(exportCmd); err != nil { 23 c.Fatalf("failed to export container: %s, %v", out, err) 24 } 25 26 importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1") 27 importCmd.Stdin = strings.NewReader(out) 28 out, _, err = runCommandWithOutput(importCmd) 29 if err != nil { 30 c.Fatalf("failed to import image: %s, %v", out, err) 31 } 32 33 cleanedImageID := strings.TrimSpace(out) 34 if cleanedImageID == "" { 35 c.Fatalf("output should have been an image id, got: %s", out) 36 } 37 } 38 39 // Used to test output flag in the export command 40 func (s *DockerSuite) TestExportContainerWithOutputAndImportImage(c *check.C) { 41 containerID := "testexportcontainerwithoutputandimportimage" 42 43 runCmd := exec.Command(dockerBinary, "run", "--name", containerID, "busybox", "true") 44 out, _, err := runCommandWithOutput(runCmd) 45 if err != nil { 46 c.Fatal("failed to create a container", out, err) 47 } 48 49 defer os.Remove("testexp.tar") 50 51 exportCmd := exec.Command(dockerBinary, "export", "--output=testexp.tar", containerID) 52 if out, _, err = runCommandWithOutput(exportCmd); err != nil { 53 c.Fatalf("failed to export container: %s, %v", out, err) 54 } 55 56 out, _, err = runCommandWithOutput(exec.Command("cat", "testexp.tar")) 57 if err != nil { 58 c.Fatal(out, err) 59 } 60 61 importCmd := exec.Command(dockerBinary, "import", "-", "repo/testexp:v1") 62 importCmd.Stdin = strings.NewReader(out) 63 out, _, err = runCommandWithOutput(importCmd) 64 if err != nil { 65 c.Fatalf("failed to import image: %s, %v", out, err) 66 } 67 68 cleanedImageID := strings.TrimSpace(out) 69 if cleanedImageID == "" { 70 c.Fatalf("output should have been an image id, got: %s", out) 71 } 72 }