From a9c364b4656312ef75b2d178476fa93d4c45323a Mon Sep 17 00:00:00 2001
From: Gui Albuk <guilherme@n-pix.com>
Date: Tue, 28 Jun 2016 12:43:41 -0300
Subject: [PATCH] Fix #tables deprecation in Rails 5.0 and keep compatibility
 with Rails 4.x

---
 .../association_matchers/join_table_matcher.rb            | 2 +-
 lib/shoulda/matchers/rails_shim.rb                        | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb b/lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb
index c46f2d4bf..b214445f7 100644
--- a/lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb
+++ b/lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb
@@ -38,7 +38,7 @@ def join_table_option_correct?
           end
 
           def join_table_exists?
-            if connection.tables.include?(join_table_name)
+            if RailsShim.tables_and_views(connection).include?(join_table_name)
               true
             else
               @failure_message = missing_table_message
diff --git a/lib/shoulda/matchers/rails_shim.rb b/lib/shoulda/matchers/rails_shim.rb
index 7eb10b688..5159468ce 100644
--- a/lib/shoulda/matchers/rails_shim.rb
+++ b/lib/shoulda/matchers/rails_shim.rb
@@ -55,6 +55,14 @@ def self.simply_generate_validation_message(attribute, type, model_name, options
         I18n.translate(primary_translation_key, translate_options)
       end
 
+      def self.tables_and_views(connection)
+        if active_record_major_version >= 5
+          connection.data_sources
+        else
+          connection.tables
+        end
+      end
+
       def self.active_record_major_version
         ::ActiveRecord::VERSION::MAJOR
       end