require 'abstract_unit' require 'fixtures/person' require File.dirname(__FILE__) + '/fixtures/migrations/1_people_have_last_names' require File.dirname(__FILE__) + '/fixtures/migrations/2_we_need_reminders' if ActiveRecord::Base.connection.supports_migrations? class Reminder < ActiveRecord::Base; end class MigrationTest < Test::Unit::TestCase def setup end def teardown ActiveRecord::Base.connection.initialize_schema_information ActiveRecord::Base.connection.update "UPDATE schema_info SET version = 0" Reminder.connection.drop_table("reminders") rescue nil Reminder.connection.drop_table("people_reminders") rescue nil Reminder.reset_column_information Person.connection.remove_column("people", "last_name") rescue nil Person.connection.remove_column("people", "bio") rescue nil Person.connection.remove_column("people", "age") rescue nil Person.connection.remove_column("people", "height") rescue nil Person.connection.remove_column("people", "birthday") rescue nil Person.connection.remove_column("people", "favorite_day") rescue nil Person.connection.remove_column("people", "male") rescue nil Person.connection.remove_column("people", "administrator") rescue nil Person.reset_column_information end def test_add_index Person.connection.add_column "people", "last_name", :string assert_nothing_raised { Person.connection.add_index("people", "last_name") } assert_nothing_raised { Person.connection.remove_index("people", "last_name") } assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) } assert_nothing_raised { Person.connection.remove_index("people", "last_name") } end def test_create_table_adds_id Person.connection.create_table :testings do |t| t.column :foo, :string end assert_equal %w(foo id), Person.connection.columns(:testings).map { |c| c.name }.sort ensure Person.connection.drop_table :testings rescue nil end def test_create_table_with_not_null_column Person.connection.create_table :testings do |t| t.column :foo, :string, :null => false end assert_raises(ActiveRecord::StatementInvalid) do Person.connection.execute "insert into testings (foo) values (NULL)" end ensure Person.connection.drop_table :testings rescue nil end def test_add_column_not_null Person.connection.create_table :testings do |t| t.column :foo, :string end Person.connection.add_column :testings, :bar, :string, :null => false assert_raises(ActiveRecord::StatementInvalid) do Person.connection.execute "insert into testings (foo, bar) values ('hello', NULL)" end ensure Person.connection.drop_table :testings rescue nil end def test_native_types Person.delete_all Person.connection.add_column "people", "last_name", :string Person.connection.add_column "people", "bio", :text Person.connection.add_column "people", "age", :integer Person.connection.add_column "people", "height", :float Person.connection.add_column "people", "birthday", :datetime Person.connection.add_column "people", "favorite_day", :date Person.connection.add_column "people", "male", :boolean assert_nothing_raised { Person.create :first_name => 'bob', :last_name => 'bobsen', :bio => "I was born ....", :age => 18, :height => 1.78, :birthday => 18.years.ago, :favorite_day => 10.days.ago, :male => true } bob = Person.find(:first) assert_equal bob.first_name, 'bob' assert_equal bob.last_name, 'bobsen' assert_equal bob.bio, "I was born ...." assert_equal bob.age, 18 assert_equal bob.male?, true assert_equal String, bob.first_name.class assert_equal String, bob.last_name.class assert_equal String, bob.bio.class assert_equal Fixnum, bob.age.class assert_equal Time, bob.birthday.class assert_equal Date, bob.favorite_day.class assert_equal TrueClass, bob.male?.class end def test_add_remove_single_field assert !Person.column_methods_hash.include?(:last_name) PeopleHaveLastNames.up Person.reset_column_information assert Person.column_methods_hash.include?(:last_name) PeopleHaveLastNames.down Person.reset_column_information assert !Person.column_methods_hash.include?(:last_name) end def test_add_rename Person.delete_all Person.connection.add_column "people", "girlfriend", :string Person.create :girlfriend => 'bobette' begin Person.connection.rename_column "people", "girlfriend", "exgirlfriend" Person.reset_column_information bob = Person.find(:first) assert_equal "bobette", bob.exgirlfriend ensure Person.connection.remove_column("people", "girlfriend") rescue nil Person.connection.remove_column("people", "exgirlfriend") rescue nil end end def test_change_column Person.connection.add_column "people", "bio", :string assert_nothing_raised { Person.connection.change_column "people", "bio", :text } end def test_change_column_with_new_default Person.connection.add_column "people", "administrator", :boolean, :default => 1 Person.reset_column_information assert Person.new.administrator? assert_nothing_raised { Person.connection.change_column "people", "administrator", :boolean, :default => 0 } Person.reset_column_information assert !Person.new.administrator? end def test_add_table assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } WeNeedReminders.up assert Reminder.create("content" => "hello world", "remind_at" => Time.now) assert_equal "hello world", Reminder.find(:first).content WeNeedReminders.down assert_raises(ActiveRecord::StatementInvalid) { Reminder.find(:first) } end def test_migrator assert !Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/') assert_equal 3, ActiveRecord::Migrator.current_version Person.reset_column_information assert Person.column_methods_hash.include?(:last_name) assert Reminder.create("content" => "hello world", "remind_at" => Time.now) assert_equal "hello world", Reminder.find(:first).content ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/') assert_equal 0, ActiveRecord::Migrator.current_version Person.reset_column_information assert !Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.find(:first) } end def test_migrator_one_up assert !Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1) Person.reset_column_information assert Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 2) assert Reminder.create("content" => "hello world", "remind_at" => Time.now) assert_equal "hello world", Reminder.find(:first).content end def test_migrator_one_down ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/') ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/', 1) Person.reset_column_information assert Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } end def test_migrator_one_up_one_down ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1) ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/', 0) assert !Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } end def test_migrator_going_down_due_to_version_target ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1) ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/fixtures/migrations/', 0) assert !Person.column_methods_hash.include?(:last_name) assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash } ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/fixtures/migrations/') Person.reset_column_information assert Person.column_methods_hash.include?(:last_name) assert Reminder.create("content" => "hello world", "remind_at" => Time.now) assert_equal "hello world", Reminder.find(:first).content end end end