Merge pull request #13997 from dmitry/test_coverage_improvement

Test coverage improvement

2 files changed, 6 insertions, 2 deletions

diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb
index dacaec26b7..5a71c13d91 100644
--- a/activerecord/lib/active_record/sanitization.rb
+++ b/activerecord/lib/active_record/sanitization.rb
@@ -29,6 +29,7 @@ module ActiveRecord
         end
       end
       alias_method :sanitize_sql, :sanitize_sql_for_conditions
+      alias_method :sanitize_conditions, :sanitize_sql
 
       # Accepts an array, hash, or string of SQL conditions and sanitizes
       # them into a valid SQL fragment for a SET clause.
@@ -122,8 +123,6 @@ module ActiveRecord
         end
       end
 
-      alias_method :sanitize_conditions, :sanitize_sql
-
       def replace_bind_variables(statement, values) #:nodoc:
         raise_if_bind_arity_mismatch(statement, statement.count('?'), values.size)
         bound = values.dup
diff --git a/activerecord/test/cases/sanitize_test.rb b/activerecord/test/cases/sanitize_test.rb
index 766b2ff2ef..954eab8022 100644
--- a/activerecord/test/cases/sanitize_test.rb
+++ b/activerecord/test/cases/sanitize_test.rb
@@ -46,4 +46,9 @@ class SanitizeTest < ActiveRecord::TestCase
     select_author_sql = Post.send(:sanitize_sql_array, ['id in (:post_ids)', post_ids: david_posts])
     assert_match(sub_query_pattern, select_author_sql, 'should sanitize `Relation` as subquery for named bind variables')
   end
+
+  def test_sanitize_sql_array_handles_empty_statement
+    select_author_sql = Post.send(:sanitize_sql_array, [''])
+    assert_equal('', select_author_sql)
+  end
 end