github.com/uppal0016/docker_new@v0.0.0-20240123060250-1c98be13ac2c/integration-cli/docker_cli_import_test.go (about) 1 package main 2 3 import ( 4 "bufio" 5 "compress/gzip" 6 "io/ioutil" 7 "os" 8 "os/exec" 9 "regexp" 10 "strings" 11 12 "github.com/docker/docker/pkg/integration/checker" 13 "github.com/go-check/check" 14 ) 15 16 func (s *DockerSuite) TestImportDisplay(c *check.C) { 17 testRequires(c, DaemonIsLinux) 18 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 19 cleanedContainerID := strings.TrimSpace(out) 20 21 out, _, err := runCommandPipelineWithOutput( 22 exec.Command(dockerBinary, "export", cleanedContainerID), 23 exec.Command(dockerBinary, "import", "-"), 24 ) 25 c.Assert(err, checker.IsNil) 26 27 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 28 29 image := strings.TrimSpace(out) 30 out, _ = dockerCmd(c, "run", "--rm", image, "true") 31 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 32 } 33 34 func (s *DockerSuite) TestImportBadURL(c *check.C) { 35 testRequires(c, DaemonIsLinux) 36 out, _, err := dockerCmdWithError("import", "http://nourl/bad") 37 c.Assert(err, checker.NotNil, check.Commentf("import was supposed to fail but didn't")) 38 c.Assert(out, checker.Contains, "dial tcp", check.Commentf("expected an error msg but didn't get one")) 39 } 40 41 func (s *DockerSuite) TestImportFile(c *check.C) { 42 testRequires(c, DaemonIsLinux) 43 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 44 45 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 46 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 47 defer os.Remove(temporaryFile.Name()) 48 49 runCmd := exec.Command(dockerBinary, "export", "test-import") 50 runCmd.Stdout = bufio.NewWriter(temporaryFile) 51 52 _, err = runCommand(runCmd) 53 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 54 55 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 56 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 57 image := strings.TrimSpace(out) 58 59 out, _ = dockerCmd(c, "run", "--rm", image, "true") 60 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 61 } 62 63 func (s *DockerSuite) TestImportGzipped(c *check.C) { 64 testRequires(c, DaemonIsLinux) 65 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 66 67 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 68 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 69 defer os.Remove(temporaryFile.Name()) 70 71 runCmd := exec.Command(dockerBinary, "export", "test-import") 72 w := gzip.NewWriter(temporaryFile) 73 runCmd.Stdout = w 74 75 _, err = runCommand(runCmd) 76 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 77 err = w.Close() 78 c.Assert(err, checker.IsNil, check.Commentf("failed to close gzip writer")) 79 temporaryFile.Close() 80 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 81 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 82 image := strings.TrimSpace(out) 83 84 out, _ = dockerCmd(c, "run", "--rm", image, "true") 85 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing.")) 86 } 87 88 func (s *DockerSuite) TestImportFileWithMessage(c *check.C) { 89 testRequires(c, DaemonIsLinux) 90 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 91 92 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 93 c.Assert(err, checker.IsNil, check.Commentf("failed to create temporary file")) 94 defer os.Remove(temporaryFile.Name()) 95 96 runCmd := exec.Command(dockerBinary, "export", "test-import") 97 runCmd.Stdout = bufio.NewWriter(temporaryFile) 98 99 _, err = runCommand(runCmd) 100 c.Assert(err, checker.IsNil, check.Commentf("failed to export a container")) 101 102 message := "Testing commit message" 103 out, _ := dockerCmd(c, "import", "-m", message, temporaryFile.Name()) 104 c.Assert(out, checker.Count, "\n", 1, check.Commentf("display is expected 1 '\\n' but didn't")) 105 image := strings.TrimSpace(out) 106 107 out, _ = dockerCmd(c, "history", image) 108 split := strings.Split(out, "\n") 109 110 c.Assert(split, checker.HasLen, 3, check.Commentf("expected 3 lines from image history")) 111 r := regexp.MustCompile("[\\s]{2,}") 112 split = r.Split(split[1], -1) 113 114 c.Assert(message, checker.Equals, split[3], check.Commentf("didn't get expected value in commit message")) 115 116 out, _ = dockerCmd(c, "run", "--rm", image, "true") 117 c.Assert(out, checker.Equals, "", check.Commentf("command output should've been nothing")) 118 } 119 120 func (s *DockerSuite) TestImportFileNonExistentFile(c *check.C) { 121 _, _, err := dockerCmdWithError("import", "example.com/myImage.tar") 122 c.Assert(err, checker.NotNil, check.Commentf("import non-existing file must failed")) 123 }