From 68adb3974e1c738d2074039e06763855480d6f3f Mon Sep 17 00:00:00 2001
From: Mantas <mantas@idev.lt>
Date: Mon, 27 Sep 2021 17:24:09 +0300
Subject: [PATCH] Fixes #3028 - Syntax errors break scheduler job for good

---
 lib/notification_factory/renderer.rb          |  4 ++
 .../lib/notification_factory/renderer_spec.rb | 52 ++++++-------------
 2 files changed, 19 insertions(+), 37 deletions(-)

diff --git a/lib/notification_factory/renderer.rb b/lib/notification_factory/renderer.rb
index b69fad924..669279bd9 100644
--- a/lib/notification_factory/renderer.rb
+++ b/lib/notification_factory/renderer.rb
@@ -37,6 +37,10 @@ examples how to use
 
   def render
     ERB.new(@template.to_s).result(binding)
+  rescue Exception => e # rubocop:disable Lint/RescueException
+    raise StandardError, e.message if e.is_a? SyntaxError
+
+    raise
   end
 
   # d - data of object
diff --git a/spec/lib/notification_factory/renderer_spec.rb b/spec/lib/notification_factory/renderer_spec.rb
index 87635a90b..1785ba2a0 100644
--- a/spec/lib/notification_factory/renderer_spec.rb
+++ b/spec/lib/notification_factory/renderer_spec.rb
@@ -19,7 +19,6 @@ RSpec.describe NotificationFactory::Renderer do
                        objects:  { ticket: ticket },
                        template: '#{ticket.customer.firstname.downcase}'
       expect(renderer.render).to eq 'nicole'
-      ticket.destroy
     end
 
     it 'correctly renders multiple value calls' do
@@ -28,7 +27,21 @@ RSpec.describe NotificationFactory::Renderer do
                        objects:  { ticket: ticket },
                        template: '#{ticket.created_at.value.value.value.value.to_s.first}'
       expect(renderer.render).to eq '2'
-      ticket.destroy
+    end
+
+    it 'raises a StandardError when rendering a template with a broken syntax' do
+      renderer = build :notification_factory_renderer, template: 'test <% if %>', objects: {}
+      expect { renderer.render }.to raise_error(StandardError)
+    end
+
+    it 'raises a StandardError when rendering a template calling a non existant method' do
+      renderer = build :notification_factory_renderer, template: 'test <% Ticket.non_existant_method %>', objects: {}
+      expect { renderer.render }.to raise_error(StandardError)
+    end
+
+    it 'raises a StandardError when rendering a template referencing a non existant object' do
+      renderer = build :notification_factory_renderer, template: 'test <% NonExistantObject.first %>', objects: {}
+      expect { renderer.render }.to raise_error(StandardError)
     end
 
     context 'when handling ObjectManager::Attribute usage', db_strategy: :reset do
@@ -44,13 +57,6 @@ RSpec.describe NotificationFactory::Renderer do
                          template: '#{ticket.select} _SEPERATOR_ #{ticket.select.value}'
 
         expect(renderer.render).to eq 'key_1 _SEPERATOR_ value_1'
-        ticket.destroy
-
-        ObjectManager::Attribute.remove(
-          object: 'Ticket',
-          name:   'select',
-        )
-        ObjectManager::Attribute.migration_execute
       end
 
       it 'correctly renders select attributes on chained user object' do
@@ -69,13 +75,6 @@ RSpec.describe NotificationFactory::Renderer do
                          template: '#{ticket.customer.select} _SEPERATOR_ #{ticket.customer.select.value}'
 
         expect(renderer.render).to eq 'key_2 _SEPERATOR_ value_2'
-        ticket.destroy
-
-        ObjectManager::Attribute.remove(
-          object: 'User',
-          name:   'select',
-        )
-        ObjectManager::Attribute.migration_execute
       end
 
       it 'correctly renders select attributes on chained group object' do
@@ -94,13 +93,6 @@ RSpec.describe NotificationFactory::Renderer do
                          template: '#{ticket.group.select} _SEPERATOR_ #{ticket.group.select.value}'
 
         expect(renderer.render).to eq 'key_3 _SEPERATOR_ value_3'
-        ticket.destroy
-
-        ObjectManager::Attribute.remove(
-          object: 'Group',
-          name:   'select',
-        )
-        ObjectManager::Attribute.migration_execute
       end
 
       it 'correctly renders select attributes on chained organization object' do
@@ -118,13 +110,6 @@ RSpec.describe NotificationFactory::Renderer do
                          template: '#{ticket.customer.organization.select} _SEPERATOR_ #{ticket.customer.organization.select.value}'
 
         expect(renderer.render).to eq 'key_2 _SEPERATOR_ value_2'
-        ticket.destroy
-
-        ObjectManager::Attribute.remove(
-          object: 'Organization',
-          name:   'select',
-        )
-        ObjectManager::Attribute.migration_execute
       end
 
       it 'correctly renders tree select attributes' do
@@ -138,13 +123,6 @@ RSpec.describe NotificationFactory::Renderer do
                          template: '#{ticket.tree_select} _SEPERATOR_ #{ticket.tree_select.value}'
 
         expect(renderer.render).to eq 'Incident::Hardware::Laptop _SEPERATOR_ Incident::Hardware::Laptop'
-        ticket.destroy
-
-        ObjectManager::Attribute.remove(
-          object: 'Ticket',
-          name:   'tree_select',
-        )
-        ObjectManager::Attribute.migration_execute
       end
     end
   end