diff options
Diffstat (limited to 'activerecord/test/cases/migration/compatibility_test.rb')
-rw-r--r-- | activerecord/test/cases/migration/compatibility_test.rb | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration/compatibility_test.rb b/activerecord/test/cases/migration/compatibility_test.rb new file mode 100644 index 0000000000..b1e1d72944 --- /dev/null +++ b/activerecord/test/cases/migration/compatibility_test.rb @@ -0,0 +1,58 @@ +require 'cases/helper' + +module ActiveRecord + class Migration + class CompatibilityTest < ActiveRecord::TestCase + attr_reader :connection + self.use_transactional_tests = false + + def setup + super + @connection = ActiveRecord::Base.connection + @verbose_was = ActiveRecord::Migration.verbose + ActiveRecord::Migration.verbose = false + + connection.create_table :testings do |t| + t.column :foo, :string, :limit => 100 + t.column :bar, :string, :limit => 100 + end + end + + teardown do + connection.drop_table :testings rescue nil + ActiveRecord::Migration.verbose = @verbose_was + ActiveRecord::SchemaMigration.delete_all + end + + def test_migration_doesnt_remove_named_index + connection.add_index :testings, :foo, :name => "custom_index_name" + + migration = Class.new(ActiveRecord::Migration[4.2]) { + def version; 101 end + def migrate(x) + remove_index :testings, :foo + end + }.new + + assert connection.index_exists?(:testings, :foo, name: "custom_index_name") + assert_raise(StandardError) { ActiveRecord::Migrator.new(:up, [migration]).migrate } + assert connection.index_exists?(:testings, :foo, name: "custom_index_name") + end + + def test_migration_does_remove_unnamed_index + connection.add_index :testings, :bar + + migration = Class.new(ActiveRecord::Migration[4.2]) { + def version; 101 end + def migrate(x) + remove_index :testings, :bar + end + }.new + + assert connection.index_exists?(:testings, :bar) + ActiveRecord::Migrator.new(:up, [migration]).migrate + assert_not connection.index_exists?(:testings, :bar) + end + end + end +end |