#get_access_token should raise error if app_secret or appid is invalid

lib/weixin_authorize/client.rb

@@ -57,6 +57,7 @@ module WeixinAuthorize
 
       # authenticate access_token
       def authenticate
+        raise "APPID or APPSECRET is invalid" if !is_valid?
         if is_weixin_redis_blank?
           set_access_token_for_client
         else

spec/1_fetch_access_token_spec.rb

@@ -23,5 +23,10 @@ describe WeixinAuthorize::Client do
       valid_info = $client_1.is_valid?
       expect(valid_info).to eq(false)
     end
+
+    it "#get_access_token should raise error if app_secret or appid is invalid" do
+      $client_2 = WeixinAuthorize::Client.new("appid_2", "app_secret_2")
+      expect{$client_2.get_access_token}.to raise_error(RuntimeError)
+    end
   end
 end