The system test write with ginkgo

The tests can be filter by --focus and --skip to fit different test
target. Also be able to set global options and cmd options by export
it to ENV to fit different test matrix.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>

test/system/libpod_suite_test.go

@@ -0,0 +1,217 @@
+package system
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"testing"
+
+	. "github.com/containers/libpod/test/utils"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var (
+	PODMAN_BINARY string
+	GLOBALOPTIONS = []string{"--cgroup-manager",
+		"--cni-config-dir",
+		"--config", "-c",
+		"--conmon",
+		"--cpu-profile",
+		"--log-level",
+		"--root",
+		"--tmpdir",
+		"--runroot",
+		"--runtime",
+		"--storage-driver",
+		"--storage-opt",
+		"--syslog",
+	}
+	PODMAN_SUBCMD = []string{"attach",
+		"commit",
+		"container",
+		"build",
+		"create",
+		"diff",
+		"exec",
+		"export",
+		"history",
+		"image",
+		"images",
+		"import",
+		"info",
+		"inspect",
+		"kill",
+		"load",
+		"login",
+		"logout",
+		"logs",
+		"mount",
+		"pause",
+		"ps",
+		"pod",
+		"port",
+		"pull",
+		"push",
+		"restart",
+		"rm",
+		"rmi",
+		"run",
+		"save",
+		"search",
+		"start",
+		"stats",
+		"stop",
+		"tag",
+		"top",
+		"umount",
+		"unpause",
+		"version",
+		"wait",
+		"h",
+	}
+	INTEGRATION_ROOT   string
+	ARTIFACT_DIR       = "/tmp/.artifacts"
+	ALPINE             = "docker.io/library/alpine:latest"
+	BB                 = "docker.io/library/busybox:latest"
+	BB_GLIBC           = "docker.io/library/busybox:glibc"
+	fedoraMinimal      = "registry.fedoraproject.org/fedora-minimal:latest"
+	nginx              = "quay.io/baude/alpine_nginx:latest"
+	redis              = "docker.io/library/redis:alpine"
+	registry           = "docker.io/library/registry:2"
+	infra              = "k8s.gcr.io/pause:3.1"
+	defaultWaitTimeout = 90
+)
+
+// PodmanTestSystem struct for command line options
+type PodmanTestSystem struct {
+	PodmanTest
+	GlobalOptions    map[string]string
+	PodmanCmdOptions map[string][]string
+}
+
+// TestLibpod ginkgo master function
+func TestLibpod(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Libpod Suite")
+}
+
+var _ = BeforeSuite(func() {
+})
+
+// PodmanTestCreate creates a PodmanTestSystem instance for the tests
+func PodmanTestCreate(tempDir string) *PodmanTestSystem {
+	var envKey string
+	globalOptions := make(map[string]string)
+	podmanCmdOptions := make(map[string][]string)
+
+	for _, n := range GLOBALOPTIONS {
+		envKey = strings.Replace(strings.ToUpper(strings.Trim(n, "-")), "-", "_", -1)
+		if isEnvSet(envKey) {
+			globalOptions[n] = os.Getenv(envKey)
+		}
+	}
+
+	for _, n := range PODMAN_SUBCMD {
+		envKey = strings.Replace("PODMAN_SUBCMD_OPTIONS", "SUBCMD", strings.ToUpper(n), -1)
+		if isEnvSet(envKey) {
+			podmanCmdOptions[n] = strings.Split(os.Getenv(envKey), " ")
+		}
+	}
+
+	podmanBinary := "podman"
+	if os.Getenv("PODMAN_BINARY") != "" {
+		podmanBinary = os.Getenv("PODMAN_BINARY")
+	}
+
+	p := &PodmanTestSystem{
+		PodmanTest: PodmanTest{
+			PodmanBinary: podmanBinary,
+			ArtifactPath: ARTIFACT_DIR,
+			TempDir:      tempDir,
+		},
+		GlobalOptions:    globalOptions,
+		PodmanCmdOptions: podmanCmdOptions,
+	}
+
+	p.PodmanMakeOptions = p.makeOptions
+
+	return p
+}
+
+func (p *PodmanTestSystem) Podman(args []string) *PodmanSession {
+	return p.PodmanBase(args)
+}
+
+//MakeOptions assembles all the podman options
+func (p *PodmanTestSystem) makeOptions(args []string) []string {
+	var addOptions, subArgs []string
+	for _, n := range GLOBALOPTIONS {
+		if p.GlobalOptions[n] != "" {
+			addOptions = append(addOptions, n, p.GlobalOptions[n])
+		}
+	}
+
+	if len(args) == 0 {
+		return addOptions
+	}
+
+	subCmd := args[0]
+	addOptions = append(addOptions, subCmd)
+	if subCmd == "unmount" {
+		subCmd = "umount"
+	}
+	if subCmd == "help" {
+		subCmd = "h"
+	}
+
+	if _, ok := p.PodmanCmdOptions[subCmd]; ok {
+		m := make(map[string]bool)
+		subArgs = p.PodmanCmdOptions[subCmd]
+		for i := 0; i < len(subArgs); i++ {
+			m[subArgs[i]] = true
+		}
+		for i := 1; i < len(args); i++ {
+			if _, ok := m[args[i]]; !ok {
+				subArgs = append(subArgs, args[i])
+			}
+		}
+	} else {
+		subArgs = args[1:]
+	}
+
+	addOptions = append(addOptions, subArgs...)
+
+	return addOptions
+}
+
+// Cleanup cleans up the temporary store
+func (p *PodmanTestSystem) Cleanup() {
+	// Remove all containers
+	stopall := p.Podman([]string{"stop", "-a", "--timeout", "0"})
+	stopall.WaitWithDefaultTimeout()
+
+	session := p.Podman([]string{"rm", "-fa"})
+	session.Wait(90)
+	// Nuke tempdir
+	if err := os.RemoveAll(p.TempDir); err != nil {
+		fmt.Printf("%q\n", err)
+	}
+}
+
+// CleanupPod cleans up the temporary store
+func (p *PodmanTestSystem) CleanupPod() {
+	// Remove all containers
+	session := p.Podman([]string{"pod", "rm", "-fa"})
+	session.Wait(90)
+	// Nuke tempdir
+	if err := os.RemoveAll(p.TempDir); err != nil {
+		fmt.Printf("%q\n", err)
+	}
+}
+
+// Check if the key is set in Env
+func isEnvSet(key string) bool {
+	_, set := os.LookupEnv(key)
+	return set
+}