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_save_load_test.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"testing"
+)
+
+// save a repo and try to load it
+func TestSaveAndLoadRepo(t *testing.T) {
+	runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
+	out, _, err := runCommandWithOutput(runCmd)
+	errorOut(err, t, fmt.Sprintf("failed to create a container: %v %v", out, err))
+
+	cleanedContainerID := stripTrailingCharacters(out)
+
+	repoName := "foobar-save-load-test"
+
+	inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
+	out, _, err = runCommandWithOutput(inspectCmd)
+	errorOut(err, t, fmt.Sprintf("output should've been a container id: %v %v", cleanedContainerID, err))
+
+	commitCmd := exec.Command(dockerBinary, "commit", cleanedContainerID, repoName)
+	out, _, err = runCommandWithOutput(commitCmd)
+	errorOut(err, t, fmt.Sprintf("failed to commit container: %v %v", out, err))
+
+	saveCmdTemplate := `%v save %v > /tmp/foobar-save-load-test.tar`
+	saveCmdFinal := fmt.Sprintf(saveCmdTemplate, dockerBinary, repoName)
+	saveCmd := exec.Command("bash", "-c", saveCmdFinal)
+	out, _, err = runCommandWithOutput(saveCmd)
+	errorOut(err, t, fmt.Sprintf("failed to save repo: %v %v", out, err))
+
+	deleteImages(repoName)
+
+	loadCmdFinal := `cat /tmp/foobar-save-load-test.tar | docker load`
+	loadCmd := exec.Command("bash", "-c", loadCmdFinal)
+	out, _, err = runCommandWithOutput(loadCmd)
+	errorOut(err, t, fmt.Sprintf("failed to load repo: %v %v", out, err))
+
+	inspectCmd = exec.Command(dockerBinary, "inspect", repoName)
+	out, _, err = runCommandWithOutput(inspectCmd)
+	errorOut(err, t, fmt.Sprintf("the repo should exist after loading it: %v %v", out, err))
+
+	go deleteImages(repoName)
+	go deleteContainer(cleanedContainerID)
+
+	os.Remove("/tmp/foobar-save-load-test.tar")
+
+	logDone("save - save a repo")
+	logDone("load - load a repo")
+}