package main import ( "bufio" "io/ioutil" "os" "os/exec" "strings" "github.com/go-check/check" ) func (s *DockerSuite) TestImportDisplay(c *check.C) { out, _ := dockerCmd(c, "run", "-d", "busybox", "true") cleanedContainerID := strings.TrimSpace(out) out, _, err := runCommandPipelineWithOutput( exec.Command(dockerBinary, "export", cleanedContainerID), exec.Command(dockerBinary, "import", "-"), ) if err != nil { c.Errorf("import failed with errors: %v, output: %q", err, out) } if n := strings.Count(out, "\n"); n != 1 { c.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) } image := strings.TrimSpace(out) out, _ = dockerCmd(c, "run", "--rm", image, "true") if out != "" { c.Fatalf("command output should've been nothing, was %q", out) } } func (s *DockerSuite) TestImportBadURL(c *check.C) { out, _, err := dockerCmdWithError("import", "http://nourl/bad") if err == nil { c.Fatal("import was supposed to fail but didn't") } if !strings.Contains(out, "dial tcp") { c.Fatalf("expected an error msg but didn't get one:\n%s", out) } } func (s *DockerSuite) TestImportFile(c *check.C) { dockerCmd(c, "run", "--name", "test-import", "busybox", "true") temporaryFile, err := ioutil.TempFile("", "exportImportTest") if err != nil { c.Fatal("failed to create temporary file", "", err) } defer os.Remove(temporaryFile.Name()) runCmd := exec.Command(dockerBinary, "export", "test-import") runCmd.Stdout = bufio.NewWriter(temporaryFile) _, err = runCommand(runCmd) if err != nil { c.Fatal("failed to export a container", err) } out, _ := dockerCmd(c, "import", temporaryFile.Name()) if n := strings.Count(out, "\n"); n != 1 { c.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) } image := strings.TrimSpace(out) out, _ = dockerCmd(c, "run", "--rm", image, "true") if out != "" { c.Fatalf("command output should've been nothing, was %q", out) } } func (s *DockerSuite) TestImportFileNonExistentFile(c *check.C) { _, exitCode, err := dockerCmdWithError("import", "example.com/myImage.tar") if exitCode == 0 || err == nil { c.Fatalf("import non-existing file must failed") } }