From b32ba367f584a6298fb8b7eef97be15388b5bd87 Mon Sep 17 00:00:00 2001
From: Damien Mathieu <42@dmathieu.com>
Date: Tue, 5 Nov 2013 13:44:16 +0100
Subject: add #no_touching on ActiveRecord models

---
 activerecord/test/cases/timestamp_test.rb | 48 +++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'activerecord/test/cases')

diff --git a/activerecord/test/cases/timestamp_test.rb b/activerecord/test/cases/timestamp_test.rb
index ff1b01556d..8c45f2a3f8 100644
--- a/activerecord/test/cases/timestamp_test.rb
+++ b/activerecord/test/cases/timestamp_test.rb
@@ -11,6 +11,7 @@ class TimestampTest < ActiveRecord::TestCase
 
   def setup
     @developer = Developer.first
+    @owner = Owner.first
     @developer.update_columns(updated_at: Time.now.prev_month)
     @previously_updated_at = @developer.updated_at
   end
@@ -92,6 +93,53 @@ class TimestampTest < ActiveRecord::TestCase
     assert_nothing_raised { Car.first.touch }
   end
 
+  def test_touching_a_no_touching_object
+    Developer.no_touching do
+      assert @developer.no_touching?
+      assert !@owner.no_touching?
+      @developer.touch
+    end
+
+    assert !@developer.no_touching?
+    assert !@owner.no_touching?
+    assert_equal @previously_updated_at, @developer.updated_at
+  end
+
+  def test_touching_related_objects
+    @owner = Owner.first
+    @previously_updated_at = @owner.updated_at
+
+    Owner.no_touching do
+      @owner.pets.first.touch
+    end
+
+    assert_equal @previously_updated_at, @owner.updated_at
+  end
+
+  def test_global_no_touching
+    ActiveRecord::Base.no_touching do
+      assert @developer.no_touching?
+      assert @owner.no_touching?
+      @developer.touch
+    end
+
+    assert !@developer.no_touching?
+    assert !@owner.no_touching?
+    assert_equal @previously_updated_at, @developer.updated_at
+  end
+
+  def test_no_touching_threadsafe
+    Thread.new do
+      Developer.no_touching do
+        assert @developer.no_touching?
+
+        sleep(1)
+      end
+    end
+
+    assert !@developer.no_touching?
+  end
+
   def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_update_the_parent_updated_at
     pet   = Pet.first
     owner = pet.owner
-- 
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