Add site setting delete_removed_posts_after to configure after how many hour posts that were deleted by their authors will be deleted

spec/components/post_destroyer_spec.rb

@@ -13,6 +13,7 @@ describe PostDestroyer do
 
   describe 'destroy_old_stubs' do
     it 'destroys stubs for deleted by user posts' do
+      SiteSetting.stubs(:delete_removed_posts_after).returns(24)
       Fabricate(:admin)
       topic = post.topic
       reply1 = create_post(topic: topic)
@@ -53,6 +54,42 @@ describe PostDestroyer do
       reply1.deleted_at.should == nil
 
     end
+
+    it 'uses the delete_removed_posts_after site setting' do
+      Fabricate(:admin)
+      topic = post.topic
+      reply1 = create_post(topic: topic)
+      reply2 = create_post(topic: topic)
+
+      PostDestroyer.new(reply1.user, reply1).destroy
+      PostDestroyer.new(reply2.user, reply2).destroy
+
+      SiteSetting.stubs(:delete_removed_posts_after).returns(1)
+
+      reply2.update_column(:updated_at, 70.minutes.ago)
+
+      PostDestroyer.destroy_stubs
+
+      reply1.reload
+      reply2.reload
+
+      reply1.deleted_at.should == nil
+      reply2.deleted_at.should_not == nil
+
+      SiteSetting.stubs(:delete_removed_posts_after).returns(72)
+
+      reply1.update_column(:updated_at, 2.days.ago)
+
+      PostDestroyer.destroy_stubs
+
+      reply1.reload.deleted_at.should == nil
+
+      SiteSetting.stubs(:delete_removed_posts_after).returns(47)
+
+      PostDestroyer.destroy_stubs
+
+      reply1.reload.deleted_at.should_not == nil
+    end
   end
 
   describe 'basic destroying' do
@@ -65,10 +102,11 @@ describe PostDestroyer do
       end
 
       it "doesn't delete the post" do
+        SiteSetting.stubs(:delete_removed_posts_after).returns(24)
         post.deleted_at.should be_blank
         post.deleted_by.should be_blank
         post.user_deleted.should be_true
-        post.raw.should == I18n.t('js.post.deleted_by_author')
+        post.raw.should == I18n.t('js.post.deleted_by_author', {count: 24})
         post.version.should == 2
 
         # lets try to recover