From 0e585153eb19cfb777a42db46db7647ec85714f9 Mon Sep 17 00:00:00 2001
From: Jamie Davidson <jhdavids8@gmail.com>
Date: Mon, 19 May 2014 22:48:37 -0400
Subject: [PATCH] Pretty poor attempt at a spec to showcase the 4.1 branch's
 issue with multiple joins on the same table

---
 spec/blueprints/recommendations.rb |  5 +++++
 spec/ransack/search_spec.rb        |  6 ++++++
 spec/support/schema.rb             | 12 ++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 spec/blueprints/recommendations.rb

diff --git a/spec/blueprints/recommendations.rb b/spec/blueprints/recommendations.rb
new file mode 100644
index 000000000..d416110e3
--- /dev/null
+++ b/spec/blueprints/recommendations.rb
@@ -0,0 +1,5 @@
+Recommendation.blueprint do
+  article
+  person
+  target_person { person }
+end
\ No newline at end of file
diff --git a/spec/ransack/search_spec.rb b/spec/ransack/search_spec.rb
index 247e220e2..3144ebf3e 100644
--- a/spec/ransack/search_spec.rb
+++ b/spec/ransack/search_spec.rb
@@ -183,6 +183,12 @@ module Ransack
         expect(where.to_sql).to match /#{children_people_name_field} = 'Ernie'/
       end
 
+      it 'evaluates conditions for multiple belongs_to associations to the same table contextually' do
+        search = Search.new(Recommendation, person_name_eq: 'Ernie', target_person_parent_name_eq: 'Test')
+        search.result.should be_an ActiveRecord::Relation
+        search.result.to_sql.should == "SELECT \"recommendations\".* FROM \"recommendations\" LEFT OUTER JOIN \"people\" ON \"people\".\"id\" = \"recommendations\".\"person_id\" LEFT OUTER JOIN \"people\" \"target_people_recommendations\" ON \"target_people_recommendations\".\"id\" = \"recommendations\".\"target_person_id\" LEFT OUTER JOIN \"people\" \"parents_people\" ON \"parents_people\".\"id\" = \"target_people_recommendations\".\"parent_id\" WHERE ((\"people\".\"name\" = 'Ernie' AND \"parents_people\".\"name\" = 'Test'))"
+      end
+
       it 'evaluates compound conditions contextually' do
         search = Search.new(Person, :children_name_or_name_eq => 'Ernie')
         expect(search.result).to be_an ActiveRecord::Relation
diff --git a/spec/support/schema.rb b/spec/support/schema.rb
index df9f5fb9d..8fa29c1d0 100644
--- a/spec/support/schema.rb
+++ b/spec/support/schema.rb
@@ -86,6 +86,12 @@ class Article < ActiveRecord::Base
   has_many :notes, :as => :notable
 end
 
+class Recommendation < ActiveRecord::Base
+  belongs_to :person
+  belongs_to :target_person, class_name: 'Person'
+  belongs_to :article
+end
+
 module Namespace
   class Article < ::Article
 
@@ -155,6 +161,12 @@ def self.create
         t.string :note
       end
 
+      create_table :recommendations, :force => true do |t|
+        t.integer :person_id
+        t.integer  :target_person_id
+        t.integer    :article_id
+      end
+
     end
 
     10.times do