initial version of cli integration tests

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)

integration-cli/docker_cli_export_import_test.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"testing"
+)
+
+// export an image and try to import it into a new one
+func TestExportContainerAndImportImage(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)
+
+	inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
+	out, _, err = runCommandWithOutput(inspectCmd)
+	if err != nil {
+		t.Fatalf("output should've been a container id: %s %s ", cleanedContainerID, err)
+	}
+
+	exportCmdTemplate := `%v export %v > /tmp/testexp.tar`
+	exportCmdFinal := fmt.Sprintf(exportCmdTemplate, dockerBinary, cleanedContainerID)
+	exportCmd := exec.Command("bash", "-c", exportCmdFinal)
+	out, _, err = runCommandWithOutput(exportCmd)
+	errorOut(err, t, fmt.Sprintf("failed to export container: %v %v", out, err))
+
+	importCmdFinal := `cat /tmp/testexp.tar | docker import - testexp`
+	importCmd := exec.Command("bash", "-c", importCmdFinal)
+	out, _, err = runCommandWithOutput(importCmd)
+	errorOut(err, t, fmt.Sprintf("failed to import image: %v %v", out, err))
+
+	cleanedImageID := stripTrailingCharacters(out)
+
+	inspectCmd = exec.Command(dockerBinary, "inspect", cleanedImageID)
+	out, _, err = runCommandWithOutput(inspectCmd)
+	errorOut(err, t, fmt.Sprintf("output should've been an image id: %v %v", out, err))
+
+	go deleteImages("testexp")
+	go deleteContainer(cleanedContainerID)
+
+	os.Remove("/tmp/testexp.tar")
+
+	logDone("export - export a container")
+	logDone("import - import an image")
+}