allow register mock

server/web/mock/context_test.go

@@ -54,7 +54,7 @@ func (c *TestController) HelloSession() {
 		c.Ctx.WriteString("error")
 		return
 	}
-	c.SetSession("name", "Tom")
+	_ = c.SetSession("name", "Tom")
 	c.Ctx.WriteString("set")
 }
 

server/web/mock/session.go

@@ -77,6 +77,7 @@ func (s *SessionProvider) SessionAll(ctx context.Context) int {
 
 // SessionGC do nothing
 func (s *SessionProvider) SessionGC(ctx context.Context) {
+	// we do anything since we don't need to mock GC
 }
 
 
@@ -105,6 +106,7 @@ func (s *SessionStore) SessionID(ctx context.Context) string {
 
 // SessionRelease do nothing
 func (s *SessionStore) SessionRelease(ctx context.Context, w http.ResponseWriter) {
+	// Support in the future if necessary, now I think we don't need to implement this
 }
 
 func (s *SessionStore) Flush(ctx context.Context) error {

server/web/session/session.go

@@ -70,15 +70,11 @@ var provides = make(map[string]Provider)
 var SLogger = NewSessionLog(os.Stderr)
 
 // Register makes a session provide available by the provided name.
-// If Register is called twice with the same name or if driver is nil,
-// it panics.
+// If provider is nil, it panic
 func Register(name string, provide Provider) {
 	if provide == nil {
 		panic("session: Register provide is nil")
 	}
-	if _, dup := provides[name]; dup {
-		panic("session: Register called twice for provider " + name)
-	}
 	provides[name] = provide
 }