From 5dde413e1d14c42eb87071db20d075a7b962cb01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Fri, 7 Oct 2016 15:20:58 -0400
Subject: Undefine assings in IntegrationTest

assigns assert the state of a controller instance what should not be
done in an integration test.
---
 actionpack/lib/action_dispatch/testing/integration.rb | 2 ++
 actionpack/test/controller/integration_test.rb        | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/actionpack/lib/action_dispatch/testing/integration.rb b/actionpack/lib/action_dispatch/testing/integration.rb
index 720651fa1f..265459f79e 100644
--- a/actionpack/lib/action_dispatch/testing/integration.rb
+++ b/actionpack/lib/action_dispatch/testing/integration.rb
@@ -713,6 +713,8 @@ module ActionDispatch
   class IntegrationTest < ActiveSupport::TestCase
     include TestProcess
 
+    undef :assigns
+
     module UrlOptions
       extend ActiveSupport::Concern
       def url_options
diff --git a/actionpack/test/controller/integration_test.rb b/actionpack/test/controller/integration_test.rb
index d3bc77d3ef..cf96b9b752 100644
--- a/actionpack/test/controller/integration_test.rb
+++ b/actionpack/test/controller/integration_test.rb
@@ -383,6 +383,14 @@ class IntegrationTestTest < ActiveSupport::TestCase
       mixin.__send__(:remove_method, :method_missing)
     end
   end
+
+  def test_assigns_is_undefined_and_not_point_to_the_gem
+    e = assert_raises(NoMethodError) do
+      @test.assigns(:foo)
+    end
+
+    assert_match(/undefined method/, e.message)
+  end
 end
 
 # Tests that integration tests don't call Controller test methods for processing.
-- 
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