root@noc:/opt/noc # hg diff
diff -r 9e45c6372597 fm/apps/classificationrule/js/TestForm.js
--- a/fm/apps/classificationrule/js/TestForm.js	Fri Oct 11 07:42:44 2013 +0400
+++ b/fm/apps/classificationrule/js/TestForm.js	Tue Oct 15 13:49:46 2013 +0400
@@ -56,7 +56,8 @@
     //
     onTest: function() {
         var me = this,
-            data = me.dataField.getValue();
+            data = me.dataField.getValue(),
+            fd = me.app.getFormData();
         // @todo: Validation
         Ext.Ajax.request({
             url: "/fm/classificationrule/test/",
@@ -65,7 +66,7 @@
             jsonData: {
                 data: data,
                 patterns: me.app.getPatterns(),
-                event_class: me.app.currentRecord.get("event_class")
+                event_class: fd["event_class"]
             },
             success: function(response) {
                 var me = this;
diff -r 9e45c6372597 fm/apps/classificationrule/views.py
--- a/fm/apps/classificationrule/views.py	Fri Oct 11 07:42:44 2013 +0400
+++ b/fm/apps/classificationrule/views.py	Tue Oct 15 13:49:46 2013 +0400
@@ -40,7 +40,7 @@
         patterns = []
         result = False
         # Get data
-        data = None
+        data = {}
         vars = {}
         required_vars = set()
         r_patterns = []
@@ -57,7 +57,11 @@
                     errors += ["Event not found: %s" % q["data"]]
             else:
                 # Decode json
-                e = self.deserialize(q["data"])
+                try:
+                    e = self.deserialize(q["data"])
+                except:
+                    errors += ["Cannot decode JSON"]
+                    e = None
                 if isinstance(e, list):
                     e = e[0]
                 if not isinstance(e, dict) or "raw_vars" not in e: