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require 'test/unit'
require 'timecop'
require 'log4r'
require 'pp'
require 'singleton'
# Taken from
#
# http://blog.ardes.com/2006/12/11/testing-singletons-with-ruby
#
class <<Singleton
def included_with_reset(klass)
included_without_reset(klass)
class <<klass
def reset_instance
Singleton.send :__init__, self
self
end
end
end
alias_method :included_without_reset, :included
alias_method :included, :included_with_reset
end
module Mauve
class TestOutputter < Log4r::Outputter
def initialize( _name, hash={})
@buffer = []
super
end
def pop ; @buffer.pop ; end
def shift ; @buffer.shift ; end
def write(data)
@buffer << data
end
def flush
print "\n" if @buffer.length > 0
while d = @buffer.shift
print d
end
end
end
end
module Mauve
class UnitTest < Test::Unit::TestCase
def setup
reset_all_singletons
reset_mauve_configuration
setup_logger
setup_time
end
def teardown
teardown_logger
teardown_time
reset_all_singletons
end
def setup_logger
@logger = Log4r::Logger.new 'Mauve'
@outputter = Mauve::TestOutputter.new("test")
@outputter.formatter = Log4r::PatternFormatter.new( :pattern => "%d %l %m" )
@outputter.level = case ENV['LOGLEVEL']
when "DEBUG"
Log4r::DEBUG
when "INFO"
Log4r::INFO
else
Log4r::WARN
end
@logger.outputters << @outputter
return @logger
end
def logger_pop
@outputter.pop
end
def logger_shift
@outputter.shift
end
def teardown_logger
logger = Log4r::Logger['Mauve']
return if logger.nil?
o = logger.outputters.find{|o| o.name == "test"}
o.flush if o.respond_to?("flush")
# Delete the logger.
Log4r::Logger::Repository.instance.loggers.delete('Mauve')
end
def setup_database
DataMapper::Model.raise_on_save_failure = true if defined?(DataMapper::Model)
end
def teardown_database
DataObjects::Pooling.pools.each{|pool| pool.dispose} if defined?(DataObjects::Pooling)
end
def setup_time
Timecop.freeze(Time.local(2011,8,1,0,0,0,0))
end
def teardown_time
Timecop.return
end
def reset_mauve_configuration
Mauve::Configuration.current = Mauve::Configuration.new if defined?(Mauve::Configuration)
end
def reset_all_singletons
Mauve.constants.collect{|const| Mauve.const_get(const)}.each do |klass|
next unless klass.respond_to?(:instance)
klass.reset_instance
end
end
def default_test
#
#
flunk("No tests specified") unless self.class == Mauve::UnitTest
end
end
end
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