Alias left_joins to left_outer_joins

2 files changed, 6 insertions, 1 deletions

diff --git a/activerecord/test/cases/associations/left_outer_join_association_test.rb b/activerecord/test/cases/associations/left_outer_join_association_test.rb
index a362b43cc3..847292d5a0 100644
--- a/activerecord/test/cases/associations/left_outer_join_association_test.rb
+++ b/activerecord/test/cases/associations/left_outer_join_association_test.rb
@@ -29,6 +29,11 @@ class LeftOuterJoinAssociationTest < ActiveRecord::TestCase
     assert_equal Author.count, Author.left_outer_joins(:posts).count
   end
 
+  def test_left_outer_join_by_left_joins
+    assert_not_equal Author.count, Author.joins(:posts).count
+    assert_equal Author.count, Author.left_joins(:posts).count
+  end
+
   def test_construct_finder_sql_ignores_empty_left_outer_joins_hash
     sql = capture_sql { Author.left_outer_joins({}) }.first
     assert_no_match(/LEFT OUTER JOIN/i, sql)
diff --git a/activerecord/test/cases/relation/mutation_test.rb b/activerecord/test/cases/relation/mutation_test.rb
index 88d2dd55ab..cc0034ffd1 100644
--- a/activerecord/test/cases/relation/mutation_test.rb
+++ b/activerecord/test/cases/relation/mutation_test.rb
@@ -28,7 +28,7 @@ module ActiveRecord
       @relation ||= Relation.new FakeKlass.new('posts'), Post.arel_table, Post.predicate_builder
     end
 
-    (Relation::MULTI_VALUE_METHODS - [:references, :extending, :order, :unscope, :select]).each do |method|
+    (Relation::MULTI_VALUE_METHODS - [:references, :extending, :order, :unscope, :select, :left_joins]).each do |method|
       test "##{method}!" do
         assert relation.public_send("#{method}!", :foo).equal?(relation)
         assert_equal [:foo], relation.public_send("#{method}_values")