add a runner for running tramples

lib/trample.rb

@@ -4,6 +4,7 @@ module Trample
   autoload :Configuration, File.dirname(__FILE__) + "/trample/configuration"
   autoload :Page, File.dirname(__FILE__) + "/trample/page"
   autoload :Session, File.dirname(__FILE__) + "/trample/session"
+  autoload :Runner, File.dirname(__FILE__) + "/trample/runner"
 
   class << self
     attr_reader :current_configuration

lib/trample/runner.rb

@@ -0,0 +1,19 @@
+module Trample
+  class Runner
+    attr_reader :config, :threads
+
+    def initialize(config)
+      @config  = config
+      @threads = []
+    end
+
+    def trample
+      @config.concurrency.times do
+        threads << Thread.new(@config) do |c|
+          Session.new(c).trample
+        end
+      end
+    end
+  end
+end
+

test/runner_test.rb

@@ -0,0 +1,25 @@
+require 'test_helper'
+
+class RunnerTest < Test::Unit::TestCase
+  def setup
+    @config = Trample::Configuration.new { |t| t.concurrency 2 }
+  end
+
+  context "Running a trample" do
+    setup do
+      @runner = Trample::Runner.new(@config)
+      @runner.trample
+    end
+
+    before_should "spawn <concurrency> threads" do
+      mock.proxy(Thread).new(@config).times(2)
+    end
+
+    before_should "start <concurrency> sessions trampling" do
+      stub.proxy(Trample::Session).new(@config).times(2) do |s|
+        mock(s).trample
+        s
+      end
+    end
+  end
+end