6 files changed, 28 insertions, 6 deletions
diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb
index 042fdaf0bb..d7bbe0df62 100644
--- a/activerecord/test/cases/fixtures_test.rb
+++ b/activerecord/test/cases/fixtures_test.rb
@@ -823,15 +823,20 @@ end
 
 class FixtureLoadingTest < ActiveRecord::TestCase
   def test_logs_message_for_failed_dependency_load
-    ActiveRecord::TestCase.expects(:require_dependency).with(:does_not_exist).raises(LoadError)
-    ActiveRecord::Base.logger.expects(:warn)
-    ActiveRecord::TestCase.try_to_load_dependency(:does_not_exist)
+    ActiveRecord::Base.logger.expects(:warn).twice
+    ActiveRecord::TestCase.try_to_load_dependency('does_not_exist')
+  end
+
+  def test_does_not_logs_message_for_dependency_that_has_been_defined_with_set_fixture_class
+    ActiveRecord::TestCase.set_fixture_class unknown_dead_parrots: DeadParrot
+    ActiveRecord::Base.logger.expects(:warn).never
+    ActiveRecord::TestCase.try_to_load_dependency('unknown_dead_parrot')
   end
 
   def test_does_not_logs_message_for_successful_dependency_load
-    ActiveRecord::TestCase.expects(:require_dependency).with(:works_out_fine)
+    ActiveRecord::TestCase.expects(:require_dependency).with('works_out_fine')
     ActiveRecord::Base.logger.expects(:warn).never
-    ActiveRecord::TestCase.try_to_load_dependency(:works_out_fine)
+    ActiveRecord::TestCase.try_to_load_dependency('works_out_fine')
   end
 end
 
diff --git a/activerecord/test/cases/relation/merging_test.rb b/activerecord/test/cases/relation/merging_test.rb
index 2b5c2fd5a4..54a581e416 100644
--- a/activerecord/test/cases/relation/merging_test.rb
+++ b/activerecord/test/cases/relation/merging_test.rb
@@ -4,6 +4,7 @@ require 'models/comment'
 require 'models/developer'
 require 'models/post'
 require 'models/project'
+require 'models/rating'
 
 class RelationMergingTest < ActiveRecord::TestCase
   fixtures :developers, :comments, :authors, :posts
@@ -144,4 +145,16 @@ class MergingDifferentRelationsTest < ActiveRecord::TestCase
 
     assert_equal ["Mary", "Mary", "Mary", "David"], posts_by_author_name
   end
+
+  test "relation merging (using a proc  argument)" do
+    dev = Developer.where(name: "Jamis").first
+
+    comment_1 = dev.comments.create!(body: "I'm Jamis", post: Post.first)
+    rating_1 = comment_1.ratings.create!
+
+    comment_2 = dev.comments.create!(body: "I'm John", post: Post.first)
+    rating_2 = comment_2.ratings.create!
+
+    assert_equal dev.ratings, [rating_1]
+  end
 end
diff --git a/activerecord/test/cases/test_case.rb b/activerecord/test/cases/test_case.rb
index 4070216733..eb44c4a83c 100644
--- a/activerecord/test/cases/test_case.rb
+++ b/activerecord/test/cases/test_case.rb
@@ -94,7 +94,7 @@ module ActiveRecord
     # instead examining the SQL content.
     oracle_ignored     = [/^select .*nextval/i, /^SAVEPOINT/, /^ROLLBACK TO/, /^\s*select .* from all_triggers/im, /^\s*select .* from all_constraints/im, /^\s*select .* from all_tab_cols/im]
     mysql_ignored      = [/^SHOW TABLES/i, /^SHOW FULL FIELDS/, /^SHOW CREATE TABLE /i, /^SHOW VARIABLES /]
-    postgresql_ignored = [/^\s*select\b.*\bfrom\b.*pg_namespace\b/im, /^\s*select\b.*\battname\b.*\bfrom\b.*\bpg_attribute\b/im, /^SHOW search_path/i]
+    postgresql_ignored = [/^\s*select\b.*\bfrom\b.*pg_namespace\b/im, /^\s*select tablename\b.*from pg_tables\b/im, /^\s*select\b.*\battname\b.*\bfrom\b.*\bpg_attribute\b/im, /^SHOW search_path/i]
     sqlite3_ignored =    [/^\s*SELECT name\b.*\bFROM sqlite_master/im]
 
     [oracle_ignored, mysql_ignored, postgresql_ignored, sqlite3_ignored].each do |db_ignored_sql|
diff --git a/activerecord/test/models/comment.rb b/activerecord/test/models/comment.rb
index 15970758db..7a88299d08 100644
--- a/activerecord/test/models/comment.rb
+++ b/activerecord/test/models/comment.rb
@@ -9,6 +9,7 @@ class Comment < ActiveRecord::Base
   belongs_to :post, :counter_cache => true
   belongs_to :author,   polymorphic: true
   belongs_to :resource, polymorphic: true
+  belongs_to :developer
 
   has_many :ratings
 
diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb
index 5bd2f00129..3627cfdd09 100644
--- a/activerecord/test/models/developer.rb
+++ b/activerecord/test/models/developer.rb
@@ -46,6 +46,8 @@ class Developer < ActiveRecord::Base
   has_many :audit_logs
   has_many :contracts
   has_many :firms, :through => :contracts, :source => :firm
+  has_many :comments, ->(developer) { where(body: "I'm #{developer.name}") }
+  has_many :ratings, through: :comments
 
   scope :jamises, -> { where(:name => 'Jamis') }
 
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index 98f2492ef8..0584df87c6 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -198,6 +198,7 @@ ActiveRecord::Schema.define do
     t.references :author, polymorphic: true
     t.string :resource_id
     t.string :resource_type
+    t.integer :developer_id
   end
 
   create_table :companies, force: true do |t|