Don't clear sequence name when we explicitly assign it.

1 files changed, 11 insertions, 0 deletions

diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index d810704418..444ea474b1 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1492,6 +1492,17 @@ class BasicsTest < ActiveRecord::TestCase
     assert_not_equal before_seq, after_seq unless before_seq.blank? && after_seq.blank?
   end
 
+  def test_dont_clear_sequence_name_when_setting_explicitly
+    Joke.sequence_name = "black_jokes_seq"
+    Joke.table_name    = "cold_jokes"
+    before_seq         = Joke.sequence_name
+
+    Joke.table_name    = "funny_jokes"
+    after_seq          = Joke.sequence_name
+
+    assert_equal before_seq, after_seq unless before_seq.blank? && after_seq.blank?
+  end
+
   def test_set_table_name_symbol_converted_to_string
     Joke.table_name = :cold_jokes
     assert_equal 'cold_jokes', Joke.table_name