diff options
Diffstat (limited to 'activerecord/test/cases/invertible_migration_test.rb')
-rw-r--r-- | activerecord/test/cases/invertible_migration_test.rb | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/activerecord/test/cases/invertible_migration_test.rb b/activerecord/test/cases/invertible_migration_test.rb index 428145d00b..8144f3e5c5 100644 --- a/activerecord/test/cases/invertible_migration_test.rb +++ b/activerecord/test/cases/invertible_migration_test.rb @@ -106,12 +106,33 @@ module ActiveRecord end end - def teardown + class RevertNamedIndexMigration1 < SilentMigration + def change + create_table("horses") do |t| + t.column :content, :string + t.column :remind_at, :datetime + end + add_index :horses, :content + end + end + + class RevertNamedIndexMigration2 < SilentMigration + def change + add_index :horses, :content, name: "horses_index_named" + end + end + + setup do + @verbose_was, ActiveRecord::Migration.verbose = ActiveRecord::Migration.verbose, false + end + + teardown do %w[horses new_horses].each do |table| if ActiveRecord::Base.connection.table_exists?(table) ActiveRecord::Base.connection.drop_table(table) end end + ActiveRecord::Migration.verbose = @verbose_was end def test_no_reverse @@ -255,5 +276,20 @@ module ActiveRecord ActiveRecord::Base.table_name_prefix = ActiveRecord::Base.table_name_suffix = '' end + # MySQL 5.7 and Oracle do not allow to create duplicate indexes on the same columns + unless current_adapter?(:MysqlAdapter, :Mysql2Adapter, :OracleAdapter) + def test_migrate_revert_add_index_with_name + RevertNamedIndexMigration1.new.migrate(:up) + RevertNamedIndexMigration2.new.migrate(:up) + RevertNamedIndexMigration2.new.migrate(:down) + + connection = ActiveRecord::Base.connection + assert connection.index_exists?(:horses, :content), + "index on content should exist" + assert !connection.index_exists?(:horses, :content, name: "horses_index_named"), + "horses_index_named index should not exist" + end + end + end end |