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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'
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.reset_column_information
Person.connection.remove_column("people", "last_name") rescue nil
Person.reset_column_information
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_table
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
WeNeedReminders.up
assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
assert "hello world", Reminder.find_first
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 2, 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 "hello world", Reminder.find_first
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 "hello world", Reminder.find_first
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
end
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