ensl.org/lib/plugins/acts_as_versioned/test/migration_test.rb

46 lines
1.9 KiB
Ruby

require File.join(File.dirname(__FILE__), 'abstract_unit')
if ActiveRecord::Base.connection.supports_migrations?
class Thing < ActiveRecord::Base
attr_accessor :version
acts_as_versioned
end
class MigrationTest < Test::Unit::TestCase
self.use_transactional_fixtures = false
def teardown
if ActiveRecord::Base.connection.respond_to?(:initialize_schema_information)
ActiveRecord::Base.connection.initialize_schema_information
ActiveRecord::Base.connection.update "UPDATE schema_info SET version = 0"
else
ActiveRecord::Base.connection.initialize_schema_migrations_table
ActiveRecord::Base.connection.assume_migrated_upto_version(0)
end
Thing.connection.drop_table "things" rescue nil
Thing.connection.drop_table "thing_versions" rescue nil
Thing.reset_column_information
end
def test_versioned_migration
assert_raises(ActiveRecord::StatementInvalid) { Thing.create :title => 'blah blah' }
# take 'er up
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/')
t = Thing.create :title => 'blah blah', :price => 123.45, :type => 'Thing'
assert_equal 1, t.versions.size
# check that the price column has remembered its value correctly
assert_equal t.price, t.versions.first.price
assert_equal t.title, t.versions.first.title
assert_equal t[:type], t.versions.first[:type]
# make sure that the precision of the price column has been preserved
assert_equal 7, Thing::Version.columns.find{|c| c.name == "price"}.precision
assert_equal 2, Thing::Version.columns.find{|c| c.name == "price"}.scale
# now lets take 'er back down
ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/')
assert_raises(ActiveRecord::StatementInvalid) { Thing.create :title => 'blah blah' }
end
end
end