Class: Spex::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/spex/runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(script, scenario) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/spex/runner.rb', line 12

def initialize(script, scenario)
  @script = script
  @scenario = scenario
end

Instance Attribute Details

#scenario ⇒ Object (readonly)

Returns the value of attribute scenario.



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# File 'lib/spex/runner.rb', line 11

def scenario
  @scenario
end

#script ⇒ Object (readonly)

Returns the value of attribute script.



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# File 'lib/spex/runner.rb', line 11

def script
  @script
end

Instance Method Details

#execute(execution) ⇒ Object 



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# File 'lib/spex/runner.rb', line 75

def execute(execution)
  log = {:stdout => '', :stderr => ''}
  Open3.popen3(execution.command) do |stdin, stdout, stderr|
    stdin.close
    log[:stdout] << stdout.read
    log[:stderr] << stderr.read
  end
  log
end

#find_source(e) ⇒ Object 



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# File 'lib/spex/runner.rb', line 62

def find_source(e)
  e.backtrace.detect { |line| !line.include?('test/unit') }
end

#output_log(execution, log) ⇒ Object 



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# File 'lib/spex/runner.rb', line 66

def output_log(execution, log)
  log.each do |stream, content|
    next if content.empty?
    line = "\n#{stream.to_s.upcase} FOR `#{execution.command}`"
    puts line, ('=' * line.size)
    puts content
  end
end

#report(&block) ⇒ Object 



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# File 'lib/spex/runner.rb', line 51

def report(&block)
  yield
  puts 'PASSED'.green
  true
rescue Test::Unit::AssertionFailedError => e
  puts 'FAILED'.red
  puts e.message.yellow
  puts "At #{find_source(e)}".yellow
  false
end

#run ⇒ Object 



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# File 'lib/spex/runner.rb', line 17

def run
  puts %(Running scenario "#{scenario.name}").magenta.bold
  proceed = true
  scenario.each do |execution|
    puts %(Preparing to execute "#{execution.command}").bold
    execution.checks.each do |check|
      print "Pre-checks for #{check}: "
      check.prepare
      proceed = report { check.before }
      break unless proceed
    end
    if proceed
      print %(Executing "#{execution.command}": )
      start = Time.now
      log = execute(execution)
      elapsed = Time.now - start
      puts 'DONE (%.2fs)' % elapsed
      passed = true
      execution.checks.reverse.each do |check|
        print "Post-checks for #{check}: "
        passed = report { check.after }
        break unless passed
      end
      unless passed
        abort "SCENARIO CHECKS FAILED".red.bold
      end
      output_log(execution, log)
    else
      abort "SCENARIO FAILED (EXECUTION ABORTED)".red.bold
    end
  end
  puts "SCENARIO PASSED".green.bold
end

#test(execution, event) ⇒ Object 



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# File 'lib/spex/runner.rb', line 85

def test(execution, event)
  klass = Class.new(Test::Unit::TestCase) do
    class << self; attr_accessor :execution, :spex_runner, :name, :event; end
  end
  klass.name = "Spex::Test::Order#{event == :after ? 1 : 0}::#{event.to_s.capitalize}Execution"
  klass.spex_runner = self
  klass.execution = execution
  klass.event = event
  klass.context "#{event} executing `#{execution.command}`" do
    case parent.event
    when :after
      setup do
        @executed ||= self.class.spex_runner.execute(self.class.execution)
      end
      order = parent.execution.checks.reverse
    when :before
      order = parent.execution.checks
    end
    order.each do |check|
      should "pass check #{check.inspect}" do
        check.__send__(event, self)
      end
    end
  end
  klass
end