github.com/iamlotus/docker@v1.8.1/integration-cli/docker_cli_import_test.go (about) 1 package main 2 3 import ( 4 "bufio" 5 "io/ioutil" 6 "os" 7 "os/exec" 8 "strings" 9 10 "github.com/go-check/check" 11 ) 12 13 func (s *DockerSuite) TestImportDisplay(c *check.C) { 14 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 15 cleanedContainerID := strings.TrimSpace(out) 16 17 out, _, err := runCommandPipelineWithOutput( 18 exec.Command(dockerBinary, "export", cleanedContainerID), 19 exec.Command(dockerBinary, "import", "-"), 20 ) 21 if err != nil { 22 c.Errorf("import failed with errors: %v, output: %q", err, out) 23 } 24 25 if n := strings.Count(out, "\n"); n != 1 { 26 c.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) 27 } 28 image := strings.TrimSpace(out) 29 30 out, _ = dockerCmd(c, "run", "--rm", image, "true") 31 if out != "" { 32 c.Fatalf("command output should've been nothing, was %q", out) 33 } 34 } 35 36 func (s *DockerSuite) TestImportBadURL(c *check.C) { 37 out, _, err := dockerCmdWithError(c, "import", "http://nourl/bad") 38 if err == nil { 39 c.Fatal("import was supposed to fail but didn't") 40 } 41 if !strings.Contains(out, "dial tcp") { 42 c.Fatalf("expected an error msg but didn't get one:\n%s", out) 43 } 44 } 45 46 func (s *DockerSuite) TestImportFile(c *check.C) { 47 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 48 49 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 50 if err != nil { 51 c.Fatal("failed to create temporary file", "", err) 52 } 53 defer os.Remove(temporaryFile.Name()) 54 55 runCmd := exec.Command(dockerBinary, "export", "test-import") 56 runCmd.Stdout = bufio.NewWriter(temporaryFile) 57 58 _, err = runCommand(runCmd) 59 if err != nil { 60 c.Fatal("failed to export a container", err) 61 } 62 63 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 64 if n := strings.Count(out, "\n"); n != 1 { 65 c.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) 66 } 67 image := strings.TrimSpace(out) 68 69 out, _ = dockerCmd(c, "run", "--rm", image, "true") 70 if out != "" { 71 c.Fatalf("command output should've been nothing, was %q", out) 72 } 73 } 74 75 func (s *DockerSuite) TestImportFileNonExistentFile(c *check.C) { 76 _, exitCode, err := dockerCmdWithError(c, "import", "example.com/myImage.tar") 77 if exitCode == 0 || err == nil { 78 c.Fatalf("import non-existing file must failed") 79 } 80 }