github.com/ruphin/docker@v1.10.1/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 "regexp" 9 "strings" 10 11 "github.com/docker/docker/pkg/integration/checker" 12 "github.com/go-check/check" 13 ) 14 15 func (s *DockerSuite) TestImportDisplay(c *check.C) { 16 testRequires(c, DaemonIsLinux) 17 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 18 cleanedContainerID := strings.TrimSpace(out) 19 20 out, _, err := runCommandPipelineWithOutput( 21 exec.Command(dockerBinary, "export", cleanedContainerID), 22 exec.Command(dockerBinary, "import", "-"), 23 ) 24 c.Assert(err, checker.IsNil) 25 26 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 27 28 image := strings.TrimSpace(out) 29 out, _ = dockerCmd(c, "run", "--rm", image, "true") 30 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 31 } 32 33 func (s *DockerSuite) TestImportBadURL(c *check.C) { 34 testRequires(c, DaemonIsLinux) 35 out, _, err := dockerCmdWithError("import", "http://nourl/bad") 36 c.Assert(err, checker.NotNil, check.Commentf("import was supposed to fail but didn't")) 37 c.Assert(out, checker.Contains, "dial tcp", check.Commentf("expected an error msg but didn't get one")) 38 } 39 40 func (s *DockerSuite) TestImportFile(c *check.C) { 41 testRequires(c, DaemonIsLinux) 42 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 43 44 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 45 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 46 defer os.Remove(temporaryFile.Name()) 47 48 runCmd := exec.Command(dockerBinary, "export", "test-import") 49 runCmd.Stdout = bufio.NewWriter(temporaryFile) 50 51 _, err = runCommand(runCmd) 52 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 53 54 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 55 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 56 image := strings.TrimSpace(out) 57 58 out, _ = dockerCmd(c, "run", "--rm", image, "true") 59 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 60 } 61 62 func (s *DockerSuite) TestImportFileWithMessage(c *check.C) { 63 testRequires(c, DaemonIsLinux) 64 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 65 66 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 67 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 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 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 75 76 message := "Testing commit message" 77 out, _ := dockerCmd(c, "import", "-m", message, temporaryFile.Name()) 78 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 79 image := strings.TrimSpace(out) 80 81 out, _ = dockerCmd(c, "history", image) 82 split := strings.Split(out, "\n") 83 84 c.Assert(split, checker.HasLen, 3, check.Commentf("expected 3 lines from image history")) 85 r := regexp.MustCompile("[\\s]{2,}") 86 split = r.Split(split[1], -1) 87 88 c.Assert(message, checker.Equals, split[3], check.Commentf("didn't get expected value in commit message")) 89 90 out, _ = dockerCmd(c, "run", "--rm", image, "true") 91 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing")) 92 } 93 94 func (s *DockerSuite) TestImportFileNonExistentFile(c *check.C) { 95 _, _, err := dockerCmdWithError("import", "example.com/myImage.tar") 96 c.Assert(err, checker.NotNil, check.Commentf("import non-existing file must failed")) 97 }