github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/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 "testing" 12 13 "github.com/docker/docker/integration-cli/cli" 14 "gotest.tools/v3/assert" 15 "gotest.tools/v3/icmd" 16 ) 17 18 func (s *DockerSuite) TestImportDisplay(c *testing.T) { 19 testRequires(c, DaemonIsLinux) 20 out, _ := dockerCmd(c, "run", "-d", "busybox", "true") 21 cleanedContainerID := strings.TrimSpace(out) 22 23 out, err := RunCommandPipelineWithOutput( 24 exec.Command(dockerBinary, "export", cleanedContainerID), 25 exec.Command(dockerBinary, "import", "-"), 26 ) 27 assert.NilError(c, err) 28 29 assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't") 30 31 image := strings.TrimSpace(out) 32 out, _ = dockerCmd(c, "run", "--rm", image, "true") 33 assert.Equal(c, out, "", "command output should've been nothing.") 34 } 35 36 func (s *DockerSuite) TestImportBadURL(c *testing.T) { 37 out, _, err := dockerCmdWithError("import", "http://nourl/bad") 38 assert.Assert(c, err != nil, "import was supposed to fail but didn't") 39 // Depending on your system you can get either of these errors 40 if !strings.Contains(out, "dial tcp") && 41 !strings.Contains(out, "ApplyLayer exit status 1 stdout: stderr: archive/tar: invalid tar header") && 42 !strings.Contains(out, "Error processing tar file") { 43 c.Fatalf("expected an error msg but didn't get one.\nErr: %v\nOut: %v", err, out) 44 } 45 } 46 47 func (s *DockerSuite) TestImportFile(c *testing.T) { 48 testRequires(c, DaemonIsLinux) 49 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 50 51 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 52 assert.Assert(c, err == nil, "failed to create temporary file") 53 defer os.Remove(temporaryFile.Name()) 54 55 icmd.RunCmd(icmd.Cmd{ 56 Command: []string{dockerBinary, "export", "test-import"}, 57 Stdout: bufio.NewWriter(temporaryFile), 58 }).Assert(c, icmd.Success) 59 60 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 61 assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't") 62 image := strings.TrimSpace(out) 63 64 out, _ = dockerCmd(c, "run", "--rm", image, "true") 65 assert.Equal(c, out, "", "command output should've been nothing.") 66 } 67 68 func (s *DockerSuite) TestImportGzipped(c *testing.T) { 69 testRequires(c, DaemonIsLinux) 70 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 71 72 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 73 assert.Assert(c, err == nil, "failed to create temporary file") 74 defer os.Remove(temporaryFile.Name()) 75 76 w := gzip.NewWriter(temporaryFile) 77 icmd.RunCmd(icmd.Cmd{ 78 Command: []string{dockerBinary, "export", "test-import"}, 79 Stdout: w, 80 }).Assert(c, icmd.Success) 81 assert.Assert(c, w.Close() == nil, "failed to close gzip writer") 82 temporaryFile.Close() 83 out, _ := dockerCmd(c, "import", temporaryFile.Name()) 84 assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't") 85 image := strings.TrimSpace(out) 86 87 out, _ = dockerCmd(c, "run", "--rm", image, "true") 88 assert.Equal(c, out, "", "command output should've been nothing.") 89 } 90 91 func (s *DockerSuite) TestImportFileWithMessage(c *testing.T) { 92 testRequires(c, DaemonIsLinux) 93 dockerCmd(c, "run", "--name", "test-import", "busybox", "true") 94 95 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 96 assert.Assert(c, err == nil, "failed to create temporary file") 97 defer os.Remove(temporaryFile.Name()) 98 99 icmd.RunCmd(icmd.Cmd{ 100 Command: []string{dockerBinary, "export", "test-import"}, 101 Stdout: bufio.NewWriter(temporaryFile), 102 }).Assert(c, icmd.Success) 103 104 message := "Testing commit message" 105 out, _ := dockerCmd(c, "import", "-m", message, temporaryFile.Name()) 106 assert.Assert(c, strings.Count(out, "\n") == 1, "display is expected 1 '\\n' but didn't") 107 image := strings.TrimSpace(out) 108 109 out, _ = dockerCmd(c, "history", image) 110 split := strings.Split(out, "\n") 111 112 assert.Equal(c, len(split), 3, "expected 3 lines from image history") 113 r := regexp.MustCompile(`[\s]{2,}`) 114 split = r.Split(split[1], -1) 115 116 assert.Equal(c, message, split[3], "didn't get expected value in commit message") 117 118 out, _ = dockerCmd(c, "run", "--rm", image, "true") 119 assert.Equal(c, out, "", "command output should've been nothing") 120 } 121 122 func (s *DockerSuite) TestImportFileNonExistentFile(c *testing.T) { 123 _, _, err := dockerCmdWithError("import", "example.com/myImage.tar") 124 assert.Assert(c, err != nil, "import non-existing file must failed") 125 } 126 127 func (s *DockerSuite) TestImportWithQuotedChanges(c *testing.T) { 128 testRequires(c, DaemonIsLinux) 129 cli.DockerCmd(c, "run", "--name", "test-import", "busybox", "true") 130 131 temporaryFile, err := ioutil.TempFile("", "exportImportTest") 132 assert.Assert(c, err == nil, "failed to create temporary file") 133 defer os.Remove(temporaryFile.Name()) 134 135 cli.Docker(cli.Args("export", "test-import"), cli.WithStdout(bufio.NewWriter(temporaryFile))).Assert(c, icmd.Success) 136 137 result := cli.DockerCmd(c, "import", "-c", `ENTRYPOINT ["/bin/sh", "-c"]`, temporaryFile.Name()) 138 image := strings.TrimSpace(result.Stdout()) 139 140 result = cli.DockerCmd(c, "run", "--rm", image, "true") 141 result.Assert(c, icmd.Expected{Out: icmd.None}) 142 }