rails/actionpack/test/active_record_unit.rb

117 lines
3.6 KiB
Ruby

require File.dirname(__FILE__) + '/abstract_unit'
# Define the essentials
class ActiveRecordTestConnector
cattr_accessor :able_to_connect
cattr_accessor :connected
# Set our defaults
self.connected = false
self.able_to_connect = true
end
# Try to grab AR
if defined?(ActiveRecord) && defined?(Fixtures)
$stderr.puts 'Active Record is already loaded, running tests'
else
$stderr.print 'Attempting to load Active Record... '
begin
PATH_TO_AR = "#{File.dirname(__FILE__)}/../../activerecord/lib"
raise LoadError, "#{PATH_TO_AR} doesn't exist" unless File.directory?(PATH_TO_AR)
$LOAD_PATH.unshift PATH_TO_AR
require 'active_record'
require 'active_record/fixtures'
$stderr.puts 'success'
rescue LoadError => e
$stderr.print "failed. Skipping Active Record assertion tests: #{e}"
ActiveRecordTestConnector.able_to_connect = false
end
end
$stderr.flush
# Define the rest of the connector
class ActiveRecordTestConnector
class << self
def setup
unless self.connected || !self.able_to_connect
setup_connection
load_schema
require_fixture_models
self.connected = true
end
rescue Exception => e # errors from ActiveRecord setup
$stderr.puts "\nSkipping ActiveRecord assertion tests: #{e}"
#$stderr.puts " #{e.backtrace.join("\n ")}\n"
self.able_to_connect = false
end
private
def setup_connection
if Object.const_defined?(:ActiveRecord)
begin
connection_options = {:adapter => 'sqlite3', :dbfile => ':memory:'}
ActiveRecord::Base.establish_connection(connection_options)
ActiveRecord::Base.configurations = { 'sqlite3_ar_integration' => connection_options }
ActiveRecord::Base.connection
rescue Exception # errors from establishing a connection
$stderr.puts 'SQLite 3 unavailable; falling to SQLite 2.'
connection_options = {:adapter => 'sqlite', :dbfile => ':memory:'}
ActiveRecord::Base.establish_connection(connection_options)
ActiveRecord::Base.configurations = { 'sqlite2_ar_integration' => connection_options }
ActiveRecord::Base.connection
end
Object.send(:const_set, :QUOTED_TYPE, ActiveRecord::Base.connection.quote_column_name('type')) unless Object.const_defined?(:QUOTED_TYPE)
else
raise "Couldn't locate ActiveRecord."
end
end
# Load actionpack sqlite tables
def load_schema
File.read(File.dirname(__FILE__) + "/fixtures/db_definitions/sqlite.sql").split(';').each do |sql|
ActiveRecord::Base.connection.execute(sql) unless sql.blank?
end
end
def require_fixture_models
Dir.glob(File.dirname(__FILE__) + "/fixtures/*.rb").each {|f| require f}
end
end
end
# Test case for inheiritance
class ActiveRecordTestCase < Test::Unit::TestCase
# Set our fixture path
if ActiveRecordTestConnector.able_to_connect
self.fixture_path = "#{File.dirname(__FILE__)}/fixtures/"
self.use_transactional_fixtures = false
end
def self.fixtures(*args)
super if ActiveRecordTestConnector.connected
end
def setup
abort_tests unless ActiveRecordTestConnector.connected
end
# Default so Test::Unit::TestCase doesn't complain
def test_truth
end
private
# If things go wrong, we don't want to run our test cases. We'll just define them to test nothing.
def abort_tests
$stderr.puts 'No Active Record connection, aborting tests.'
self.class.public_instance_methods.grep(/^test./).each do |method|
self.class.class_eval { define_method(method.to_sym){} }
end
end
end
ActiveRecordTestConnector.setup