diff options
Diffstat (limited to 'activerecord/test/cases/migration/foreign_key_test.rb')
-rw-r--r-- | activerecord/test/cases/migration/foreign_key_test.rb | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/activerecord/test/cases/migration/foreign_key_test.rb b/activerecord/test/cases/migration/foreign_key_test.rb index 333fb7d4c6..7f4790bf3e 100644 --- a/activerecord/test/cases/migration/foreign_key_test.rb +++ b/activerecord/test/cases/migration/foreign_key_test.rb @@ -8,6 +8,7 @@ module ActiveRecord class ForeignKeyTest < ActiveRecord::TestCase include DdlHelper include SchemaDumpingHelper + include ActiveSupport::Testing::Stream class Rocket < ActiveRecord::Base end @@ -146,6 +147,27 @@ module ActiveRecord assert_equal :nullify, fk.on_update end + def test_foreign_key_exists + @connection.add_foreign_key :astronauts, :rockets + + assert @connection.foreign_key_exists?(:astronauts, :rockets) + assert_not @connection.foreign_key_exists?(:astronauts, :stars) + end + + def test_foreign_key_exists_by_column + @connection.add_foreign_key :astronauts, :rockets, column: "rocket_id" + + assert @connection.foreign_key_exists?(:astronauts, column: "rocket_id") + assert_not @connection.foreign_key_exists?(:astronauts, column: "star_id") + end + + def test_foreign_key_exists_by_name + @connection.add_foreign_key :astronauts, :rockets, column: "rocket_id", name: "fancy_named_fk" + + assert @connection.foreign_key_exists?(:astronauts, name: "fancy_named_fk") + assert_not @connection.foreign_key_exists?(:astronauts, name: "other_fancy_named_fk") + end + def test_remove_foreign_key_inferes_column @connection.add_foreign_key :astronauts, :rockets @@ -221,17 +243,6 @@ module ActiveRecord silence_stream($stdout) { migration.migrate(:down) } end - private - - def silence_stream(stream) - old_stream = stream.dup - stream.reopen(IO::NULL) - stream.sync = true - yield - ensure - stream.reopen(old_stream) - old_stream.close - end end end end |