add cookie test

@@ -105,12 +105,14 @@ func (pder *CookieProvider) SessionInit(maxlifetime int64, config string) error
 }
 
 func (pder *CookieProvider) SessionRead(sid string) (SessionStore, error) {
-	kv := make(map[interface{}]interface{})
-	kv, _ = decodeCookie(pder.block,
+	maps, _ := decodeCookie(pder.block,
 		pder.config.SecurityKey,
 		pder.config.SecurityName,
 		sid, pder.maxlifetime)
-	rs := &CookieSessionStore{sid: sid, values: kv}
+	if maps == nil {
+		maps = make(map[interface{}]interface{})
+	}
+	rs := &CookieSessionStore{sid: sid, values: maps}
 	return rs, nil
 }
 

+package session
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+)
+
+func TestCookie(t *testing.T) {
+	config := `{"cookieName":"gosessionid","enableSetCookie":false,"gclifetime":3600,"ProviderConfig":"{\"cookieName\":\"gosessionid\",\"securityKey\":\"beegocookiehashkey\"}"}`
+	globalSessions, err := NewManager("cookie", config)
+	if err != nil {
+		t.Fatal("init cookie session err", err)
+	}
+	r, _ := http.NewRequest("GET", "/", nil)
+	w := httptest.NewRecorder()
+	sess := globalSessions.SessionStart(w, r)
+	err = sess.Set("username", "astaxie")
+	if err != nil {
+		t.Fatal("set error,", err)
+	}
+	if username := sess.Get("username"); username != "astaxie" {
+		t.Fatal("get username error")
+	}
+	sess.SessionRelease(w)
+	if cookiestr := w.Header().Get("Set-Cookie"); cookiestr == "" {
+		t.Fatal("setcookie error")
+	} else {
+		parts := strings.Split(strings.TrimSpace(cookiestr), ";")
+		for k, v := range parts {
+			nameval := strings.Split(v, "=")
+			if k == 0 && nameval[0] != "gosessionid" {
+				t.Fatal("error")
+			}
+		}
+	}
+}

@@ -85,9 +85,10 @@ func NewManager(provideName, config string) (*Manager, error) {
 	if cf.Maxlifetime == 0 {
 		cf.Maxlifetime = cf.Gclifetime
 	}
-
-	provider.SessionInit(cf.Maxlifetime, cf.ProviderConfig)
-
+	err = provider.SessionInit(cf.Maxlifetime, cf.ProviderConfig)
+	if err != nil {
+		return nil, err
+	}
 	if cf.SessionIDHashFunc == "" {
 		cf.SessionIDHashFunc = "sha1"
 	}