Module: Stratagem::Crawler::RouteInvoker

Includes:
ParameterResolver
Included in:
Session
Defined in:
lib/stratagem/crawler/route_invoker.rb

Constant Summary collapse

IGNORE_PARAMETERS = 
[:utf8, :_method, :authenticity_token, 'utf8', '_method', 'authenticity_token']

Instance Method Summary collapse

Methods included from ParameterResolver

#resolve_id_with_convention, #resolve_parameter_types, #resolve_with_convention, #resolve_with_instrumentation

Instance Method Details

#call_route(route_info, track_invocations = true) ⇒ Object 



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# File 'lib/stratagem/crawler/route_invoker.rb', line 14

def call_route(route_info, track_invocations=true)
  begin
    call_route!(route_info, track_invocations)
  rescue Exception
    Stratagem.logger.error($!)
  end
end

#call_route!(route_info, track_invocations = true) ⇒ Object 



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# File 'lib/stratagem/crawler/route_invoker.rb', line 22

def call_route!(route_info, track_invocations=true)
  return if route_info.nil?

  puts route_info[:verb].downcase+" "+route_info[:path]+" - #{route_info[:route_container].path}"
  verb = route_info[:verb].downcase
  verb = 'get' if verb == '' || verb == 'any'

  invocations = model_invocations_for_request do
    case verb
      when 'get'
        puts "\t#{route_info[:path].to_s == '/connections'} - #{route_info[:path]}"
        do_get(route_info)
      when 'post'
        do_post(route_info)
      when 'put'
        do_put(route_info)
      when 'delete'
      else
        raise "Unsupported verb: #{route[:verb]}"
    end
  end

  if (response && track_invocations)
    changes = detect_attribute_changes_in_models(invocations)
    if (![500].include?(response.code) || (changes.size > 0) || (invocations.size > 0))
      puts "\tfound #{invocations.size} invocations"
      invocations.each do |i|
        puts "\t\t#{i.controller_action} -> #{i.model_class}"
      end
      puts "\tchanges values: #{changes.values.inspect}"
      page = site_model.add(route_info[:route_container], controller, request, response, invocations, changes) {|redirect_url| redirect_proc.call(redirect_url) }
      puts "\tresponse code: #{response.code} - body size: #{page.response_body.size}"
      puts "\tadded to site model"
    end
  else
    puts "ERROR: did not call #{route_info[:path]}"
  end
end

#do_get(route_info) ⇒ Object 



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# File 'lib/stratagem/crawler/route_invoker.rb', line 61

def do_get(route_info)
  get route_info[:path]
end

#do_post(route_info) ⇒ Object 



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# File 'lib/stratagem/crawler/route_invoker.rb', line 99

def do_post(route_info)
  raise "unable to invoke PUT requests, application must first be crawled with GET requests for phase #{phase}." unless site_model.pages.size > 0

  form = guess_form_for_route(route_info)
  if (form.nil?)
    puts "WARNING: could not locate form for route #{route_info[:route_container].path}"
  end
  
  params = {}

  # note: this should fail to generate anything meaningful, as we have not yet set up the parameters
  hash_reads = Hash.track_parameter_reads do
    begin
      post route_info[:path], params
    rescue
      # TODO - log error as page response
      puts "ERROR: #{response.code}"
    end
  end
  
  # let's find out what the method is looking for in the params object
  models_by_hash_key = infer_models_for_param_reads(route_info[:route_container],hash_reads)
  params = map_models_to_attributes(models_by_hash_key)
  
  guess_unknown_params(models_by_hash_key, params, form) if form

  # run again with the params
  puts "POSTING: #{route_info[:path]} with #{params.inspect}"

  invocation_delta = model_invocations_for_request(:write) do
    post route_info[:path], params
  end
end

#do_put(route_info) ⇒ Object 



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# File 'lib/stratagem/crawler/route_invoker.rb', line 65

def do_put(route_info)
  # raise "unable to invoke PUT requests, application must first be crawled with GET requests for phase #{site_model.name}." unless site_model.pages.size > 0

  form = guess_form_for_route(route_info)
  if (form.nil?)
    puts "WARNING: could not locate form for route #{route_info[:route_container].path}"
  end
  
  params = {}

  # note: this should fail to generate anything meaningful, as we have not yet set up the parameters
  hash_reads = Hash.track_parameter_reads do
    begin
      put route_info[:path], params
    rescue
      # TODO - log error as page response
      puts "ERROR: #{response.code}"
    end
  end
  
  # let's find out what the method is looking for in the params object
  models_by_hash_key = infer_models_for_param_reads(route_info[:route_container],hash_reads)
  params = map_models_to_attributes(models_by_hash_key)
  
  guess_unknown_params(models_by_hash_key, params, form) if form

  # run again with the params
  puts "PUTTING: #{route_info[:path]} with #{params.inspect}"

  invocation_delta = model_invocations_for_request(:write) do
    put route_info[:path], params
  end
end

#visit(route_container) ⇒ Object 



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# File 'lib/stratagem/crawler/route_invoker.rb', line 7

def visit(route_container)
  # puts "Visiting #{route_container.route}"
  build_urls(route_container).each do |route_info|
    call_route(route_info)
  end
end