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run_slave.rb
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run_slave.rb
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require "testjour/commands/command"
require "cucumber"
require "uri"
require "daemons/daemonize"
require "testjour/cucumber_extensions/http_formatter"
require "testjour/mysql"
require "stringio"
module Testjour
module Commands
class RunSlave < Command
# Boolean indicating whether this worker can or can not fork.
# Automatically set if a fork(2) fails.
attr_accessor :cant_fork
def execute
configuration.parse!
configuration.parse_uri!
enable_gc_optimizations
Dir.chdir(configuration.path) do
Testjour.setup_logger(configuration.path)
Testjour.logger.info "Starting run:slave"
begin
configuration.setup
configuration.setup_mysql
require_cucumber_files
preload_app
work
rescue Object => ex
Testjour.logger.error "run:slave error: #{ex.message}"
Testjour.logger.error ex.backtrace.join("\n")
end
end
end
def work
queue = RedisQueue.new(configuration.queue_host)
feature_file = true
while feature_file
if (feature_file = queue.pop(:feature_files))
Testjour.logger.info "Loading: #{feature_file}"
features = load_plain_text_features(feature_file)
parent_pid = $PID
if @child = fork
Testjour.logger.info "Forked #{@child} to run #{feature_file}"
Process.wait
Testjour.logger.info "Finished running: #{feature_file}"
else
Testjour.override_logger_pid(parent_pid)
Testjour.logger.info "Executing: #{feature_file}"
execute_features(features)
exit! unless @cant_fork
end
else
Testjour.logger.info "No feature file found. Finished"
end
end
end
def execute_features(features)
http_formatter = Testjour::HttpFormatter.new(configuration)
tree_walker = Cucumber::Ast::TreeWalker.new(step_mother, [http_formatter])
tree_walker.options = configuration.cucumber_configuration.options
Testjour.logger.info "Visiting..."
tree_walker.visit_features(features)
end
def require_cucumber_files
step_mother.load_code_files(configuration.cucumber_configuration.support_to_load)
step_mother.after_configuration(configuration.cucumber_configuration)
step_mother.load_code_files(configuration.cucumber_configuration.step_defs_to_load)
end
def preload_app
if File.exist?('./testjour_preload.rb')
Testjour.logger.info 'Requiring ./testjour_preload.rb'
require './testjour_preload.rb'
end
end
# Not every platform supports fork. Here we do our magic to
# determine if yours does.
def fork
return if @cant_fork
begin
Kernel.fork
rescue NotImplementedError
@cant_fork = true
nil
end
end
# Enables GC Optimizations if you're running REE.
# http://www.rubyenterpriseedition.com/faq.html#adapt_apps_for_cow
def enable_gc_optimizations
if GC.respond_to?(:copy_on_write_friendly=)
GC.copy_on_write_friendly = true
end
end
end
end
end