Merge pull request redis#190 from bnoguchi/pub_sub_mode-fix

Pub sub mode fix

index.js

@@ -570,6 +570,8 @@ RedisClient.prototype.return_reply = function (reply) {
                     if (this.debug_mode) {
                         console.log("All subscriptions removed, exiting pub/sub mode");
                     }
+                } else {
+                    this.pub_sub_mode = true;
                 }
                 // subscribe commands take an optional callback and also emit an event, but only the first response is included in the callback
                 // TODO - document this or fix it so it works in a more obvious way

tests/re_sub_test.js

@@ -0,0 +1,14 @@
+var client = require('../index').createClient()
+  , client2 = require('../index').createClient()
+  , assert = require('assert');
+
+client.once('subscribe', function (channel, count) {
+  client.unsubscribe('x');
+  client.subscribe('x', function () {
+    client.quit();
+    client2.quit();
+  });
+  client2.publish('x', 'hi');
+});
+
+client.subscribe('x');