fix steps and tidy a bit

lib/capybara/poltergeist/client.rb

@@ -10,14 +10,13 @@ module Capybara::Poltergeist
       client
     end
 
-    attr_reader :pid, :port, :path, :inspector, :width, :height, :phantomjs_options
+    attr_reader :pid, :port, :path, :inspector, :window_size, :phantomjs_options
 
-    def initialize(port, inspector = nil, path = nil, width = 1024, height = 768, phantomjs_options=nil)
-      @port      = port
-      @inspector = inspector
-      @path      = path || PHANTOMJS_NAME
-      @width     = width
-      @height    = height
+    def initialize(port, inspector = nil, path = nil, window_size = nil, phantomjs_options = nil)
+      @port              = port
+      @inspector         = inspector
+      @path              = path || PHANTOMJS_NAME
+      @window_size       = window_size || [1024, 768]
       @phantomjs_options = phantomjs_options
 
       pid = Process.pid
@@ -62,8 +61,7 @@ module Capybara::Poltergeist
 
         parts << PHANTOMJS_SCRIPT
         parts << port
-        parts << width
-        parts << height
+        parts.concat window_size
         parts
       end
     end

lib/capybara/poltergeist/driver.rb

@@ -13,9 +13,6 @@ module Capybara::Poltergeist
       @server    = nil
       @client    = nil
       @headers   = {}
-      if @options[:window_size]
-        @width, @height = @options[:window_size]
-      end
 
       @app_server = Capybara::Server.new(app)
       @app_server.boot if Capybara.run_server
@@ -34,7 +31,7 @@ module Capybara::Poltergeist
     end
 
     def client
-      @client ||= Client.start(server.port, inspector, options[:phantomjs], @width, @height, options[:phantomjs_options])
+      @client ||= Client.start(server.port, inspector, options[:phantomjs], options[:window_size], options[:phantomjs_options])
     end
 
     def client_pid

spec/unit/client_spec.rb

@@ -32,7 +32,7 @@ module Capybara::Poltergeist
     end
 
     context "with width and height specified" do
-      subject { Client.new(6000, nil, nil, 800, 600) }
+      subject { Client.new(6000, nil, nil, [800, 600]) }
 
       it "starts phantomjs, passing the width and height through" do
         Spawn.should_receive(:spawn).with("phantomjs", Client::PHANTOMJS_SCRIPT, 6000, 800, 600)
@@ -41,9 +41,9 @@ module Capybara::Poltergeist
     end
 
     context "with additional command-line options" do
-      subject { Client.new(6000, nil, nil, nil, nil, %w[--ignore-ssl-error=yes --load-images=no]) }
+      subject { Client.new(6000, nil, nil, nil, %w[--ignore-ssl-error=yes --load-images=no]) }
       it 'passed additional command-line options to phantomjs' do
-        Spawn.should_receive(:spawn).with("phantomjs", '--ignore-ssl-error=yes', '--load-images=no', Client::PHANTOMJS_SCRIPT, 6000, nil, nil)
+        Spawn.should_receive(:spawn).with("phantomjs", '--ignore-ssl-error=yes', '--load-images=no', Client::PHANTOMJS_SCRIPT, 6000, 1024, 768)
         subject.start
       end
     end

spec/unit/driver_spec.rb

@@ -57,7 +57,7 @@ module Capybara::Poltergeist
         server = stub
         server.stub(:port).and_return(64297)
         Server.should_receive(:new).and_return(server)
-        Client.should_receive(:start).with(64297, nil, nil, 800, 600)
+        Client.should_receive(:start).with(64297, nil, nil, [800, 600], nil)
         subject.client
       end
     end