github.com/chenchun/docker@v1.3.2-0.20150629222414-20467faf132b/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 runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") 15 out, _, err := runCommandWithOutput(runCmd) 16 if err != nil { 17 c.Fatal("failed to create a container", out, err) 18 } 19 cleanedContainerID := strings.TrimSpace(out) 20 21 out, _, err = runCommandPipelineWithOutput( 22 exec.Command(dockerBinary, "export", cleanedContainerID), 23 exec.Command(dockerBinary, "import", "-"), 24 ) 25 if err != nil { 26 c.Errorf("import failed with errors: %v, output: %q", err, out) 27 } 28 29 if n := strings.Count(out, "\n"); n != 1 { 30 c.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) 31 } 32 image := strings.TrimSpace(out) 33 34 runCmd = exec.Command(dockerBinary, "run", "--rm", image, "true") 35 out, _, err = runCommandWithOutput(runCmd) 36 if err != nil { 37 c.Fatal("failed to create a container", out, err) 38 } 39 40 if out != "" { 41 c.Fatalf("command output should've been nothing, was %q", out) 42 } 43 44 } 45 46 func (s *DockerSuite) TestImportBadURL(c *check.C) { 47 runCmd := exec.Command(dockerBinary, "import", "http://nourl/bad") 48 out, _, err := runCommandWithOutput(runCmd) 49 if err == nil { 50 c.Fatal("import was supposed to fail but didn't") 51 } 52 if !strings.Contains(out, "dial tcp") { 53 c.Fatalf("expected an error msg but didn't get one:\n%s", out) 54 } 55 } 56 57 func (s *DockerSuite) TestImportFile(c *check.C) { 58 runCmd := exec.Command(dockerBinary, "run", "--name", "test-import", "busybox", "true") 59 out, _, err := runCommandWithOutput(runCmd) 60 if err != nil { 61 c.Fatal("failed to create a container", out, err) 62 } 63 64 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 65 if err != nil { 66 c.Fatal("failed to create temporary file", "", err) 67 } 68 defer os.Remove(temporaryFile.Name()) 69 70 runCmd = exec.Command(dockerBinary, "export", "test-import") 71 runCmd.Stdout = bufio.NewWriter(temporaryFile) 72 73 _, err = runCommand(runCmd) 74 if err != nil { 75 c.Fatal("failed to export a container", out, err) 76 } 77 78 runCmd = exec.Command(dockerBinary, "import", temporaryFile.Name()) 79 out, _, err = runCommandWithOutput(runCmd) 80 if err != nil { 81 c.Fatal("failed to import a container", out, err) 82 } 83 84 if n := strings.Count(out, "\n"); n != 1 { 85 c.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) 86 } 87 image := strings.TrimSpace(out) 88 89 runCmd = exec.Command(dockerBinary, "run", "--rm", image, "true") 90 out, _, err = runCommandWithOutput(runCmd) 91 if err != nil { 92 c.Fatal("failed to create a container", out, err) 93 } 94 95 if out != "" { 96 c.Fatalf("command output should've been nothing, was %q", out) 97 } 98 99 } 100 101 func (s *DockerSuite) TestImportFileNonExistentFile(c *check.C) { 102 runCmd := exec.Command(dockerBinary, "import", "example.com/myImage.tar") 103 _, exitCode, err := runCommandWithOutput(runCmd) 104 if exitCode == 0 || err == nil { 105 c.Fatalf("import non-existing file must failed") 106 } 107 108 }