require File.dirname(__FILE__) + '/test_helper'

class BehaviourRegistrationWithJavascriptStringTest < Test::Unit::TestCase
  include UnobtrusiveJavascript::Helpers
  
  def setup
    @controller = UnobtrusiveJavascriptControllerStub.new
    @output = register_js_behaviour("#mydiv:click", "alert('hello world')")
  end
  
  def test_should_store_registered_behaviour
    assert_equal 1, @controller.js_behaviours.size
    assert_equal "#mydiv:click", @controller.js_behaviours.first[:selector]
    assert_equal "alert('hello world')", @controller.js_behaviours.first[:behaviour]
  end
end

class BehaviourRegistrationRendererdInlineTest < Test::Unit::TestCase
  include UnobtrusiveJavascript::Helpers
  include ActionView::Helpers::JavaScriptHelper
  include ActionView::Helpers::TagHelper
  
  def setup
    @controller = UnobtrusiveJavascriptControllerStub.new
    @output = register_js_behaviour("#mydiv:click", "alert('hello world')", :external => false)
  end
  
  def test_should_not_store_registered_behaviour
    assert_equal 0, @controller.js_behaviours.size
  end
end

class BehaviourRegistrationWithBlock < Test::Unit::TestCase
  include UnobtrusiveJavascript::Helpers
  
  def setup
    @controller = UnobtrusiveJavascriptControllerStub.new
  end
  
  def test_should_use_page_argument
    register_js_behaviour '#thing' do |page|
      page.alert('hello')
    end
    
    assert_equal '#thing', @controller.js_behaviours.last[:selector]
    assert_equal "alert(\"hello\");", @controller.js_behaviours.last[:behaviour]
  end
  
  def test_should_use_element_argument
    register_js_behaviour '#thing' do |page, element|
      element.hide
    end
    
    assert_equal '#thing', @controller.js_behaviours.last[:selector]
    assert_equal "this.hide();", @controller.js_behaviours.last[:behaviour]
  end
  
  def test_should_use_event_argument
    register_js_behaviour '#thing' do |page, element, event|
      event.stop
    end
    
    assert_equal '#thing', @controller.js_behaviours.last[:selector]
    assert_equal "Event.stop(event);", @controller.js_behaviours.last[:behaviour]
  end
  
  def test_should_use_allow_multiple_calls
    register_js_behaviour '#thing' do |page, element, event|
      page.alert('hiding thing')
      element.hide
      element.show
      event.stop
    end
    
    assert_equal '#thing', @controller.js_behaviours.last[:selector]
    assert_equal "alert(\"hiding thing\");\nthis.hide();\nthis.show();\nEvent.stop(event);", @controller.js_behaviours.last[:behaviour]
  end
end

class BehaviourBlockRendering < Test::Unit::TestCase
  include UnobtrusiveJavascript::Helpers
  
  def setup
    @controller = UnobtrusiveJavascriptControllerStub.new
  end
  
  def rules
    @controller.js_behaviours
  end
  
  def test_should_render_nothing_for_no_rules
    assert_equal '', behaviour_block([])
  end
  
  def test_should_render_a_single_rule
    register_js_behaviour 'a:click', 'parp();'
    assert_equal %{Event.addBehavior({
"a:click": function(event) {
parp();
}
});}, behaviour_block(rules)
  end
  
  def test_should_render_multiple_rules
    register_js_behaviour 'a:click', 'parp();'
    register_js_behaviour 'div:click', 'boo();'
    register_js_behaviour '#thing:mouseover', 'wham(45);'
    
    assert_equal %{Event.addBehavior({
"a:click": function(event) {
parp();
},
"div:click": function(event) {
boo();
},
"#thing:mouseover": function(event) {
wham(45);
}
});}, behaviour_block(rules)
  end
  
end