func AppendDataDirs(dataDirs ...string) {
	assertAloeInit()
	f.AppendDataDirs(dataDirs...)
}
AppendDataDirs adds data dirs to the default framework
package aloe
import (
	"flag"
	"net/http"
	"testing"
	"github.com/caicloud/aloe/cleaner"
	"github.com/caicloud/aloe/config"
	"github.com/caicloud/aloe/framework"
	"github.com/caicloud/aloe/preset"
	glogutil "github.com/caicloud/aloe/utils/glog"
)
var f framework.Framework
func assertAloeInit() {
	if f == nil {
		panic("please call aloe.Init(default *config.Config) at first")
	}
}
func Init(defaultConfig *config.Config) {
	glogutil.ChangeGlogFlag()
	c := config.Config{}
	if err := c.ParseFlags(flag.CommandLine, "aloe", defaultConfig); err != nil {
		panic(err)
	}
	f = framework.NewFramework(&c)
}
func Run(t *testing.T) {
	assertAloeInit()
	f.Run(t)
}
func Env(key, value string) error {
	assertAloeInit()
	return f.Env(key, value)
}