| package main |
| |
| import ( |
| "os/exec" |
| "strings" |
| "testing" |
| ) |
| |
| func TestImportDisplay(t *testing.T) { |
| runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err != nil { |
| t.Fatal("failed to create a container", out, err) |
| } |
| cleanedContainerID := stripTrailingCharacters(out) |
| defer deleteContainer(cleanedContainerID) |
| |
| out, _, err = runCommandPipelineWithOutput( |
| exec.Command(dockerBinary, "export", cleanedContainerID), |
| exec.Command(dockerBinary, "import", "-"), |
| ) |
| if err != nil { |
| t.Errorf("import failed with errors: %v, output: %q", err, out) |
| } |
| |
| if n := strings.Count(out, "\n"); n != 1 { |
| t.Fatalf("display is messed up: %d '\\n' instead of 1:\n%s", n, out) |
| } |
| image := strings.TrimSpace(out) |
| defer deleteImages(image) |
| |
| runCmd = exec.Command(dockerBinary, "run", "--rm", image, "true") |
| out, _, err = runCommandWithOutput(runCmd) |
| if err != nil { |
| t.Fatal("failed to create a container", out, err) |
| } |
| |
| if out != "" { |
| t.Fatalf("command output should've been nothing, was %q", out) |
| } |
| |
| logDone("import - display is fine, imported image runs") |
| } |