damphyr/rutema

#  Copyright (c) 2021 Vassilis Rizopoulos. All rights reserved.

require  'optparse'

require_relative "core/configuration"
require_relative "core/engine"

module Rutema
  ##
  # Entry-point class for rutema
  #
  # This class parses the commandline, sets up the internal configuration of
  # rutema accordingly and starts the application flow.
  class App
    ##
    # Configure and start the application flow according to the passed
    # commandline options
    def initialize command_line_args
      parse_command_line(command_line_args)
      @configuration=Rutema::Configuration.new(@config_file)
      @configuration.context||={}
      @configuration.context[:config_file]=File.expand_path(@config_file)
      @configuration.context[:config_name]=File.basename(@config_file)
      @configuration.context[:start_time]=Time.now
      @configuration.reporters||={}
      @configuration.reporters[Rutema::Reporters::Console]||={:class=>Rutema::Reporters::Console, "silent"=>@silent} unless @bare
      @configuration.reporters[Rutema::Reporters::Summary]||={:class=>Rutema::Reporters::Summary, "silent"=>(@silent||@bare)}
      @engine=Rutema::Engine.new(@configuration)
      application_flow
    end

    private

    ##
    # Define the available commandline options and parse the given commandline
    # accordingly
    def parse_command_line args
      args.options do |opt|
        opt.on("rutema v#{Version::STRING}")
        opt.on("Options:")
        opt.on("--config FILE", "-c FILE",String,"Loads the configuration from FILE") { |config_file| @config_file=config_file}
        opt.on("--check","Runs just the suite setup test"){@check=true}
        #opt.on("--step","Runs test cases step by step"){@step=true}
        opt.on("--silent","Suppresses console output (only for the default reporters)") { @silent=true}
        opt.on("--bare","No default reporters whatsoever") { @bare=true}
        #opt.on("--color","Adds color to the Console reporter") { @color=true}
        opt.on("-v", "--version","Displays the version") { $stdout.puts("rutema v#{Version::STRING}");exit 0 }
        opt.on("--help", "-h", "-?", "This text") { $stdout.puts opt; exit 0 }
        opt.on("--debug", "-d", "Turn on debug messages") { $DEBUG=true }
        opt.on("You can provide a specification filename in order to run a single test")
        opt.parse!
        #and now the rest
        unless @config_file
          puts "No configuration file defined!\n"
          $stdout.puts opt 
          exit 1
        end
        if !args.empty?
          @test_identifier=args.shift
        end
      end
    end

    ##
    # Start the application flow
    def application_flow
      if @check
        # run just the suite setup test if requested
        if @configuration.suite_setup
          exit @engine.run(@configuration.suite_setup)
        else
          raise Rutema::RutemaError,"There is no suite setup test defined in the configuration."
        end
      else
        # run everything
        exit @engine.run(@test_identifier)
      end
    end
  end
end