require 'test_helper'

class TabsTest < ActionView::TestCase

  OpenZeroArgsBuilder = Class.new(TabsOnRails::Tabs::Builder) do
    def open_tabs
      '<ul>'
    end
  end

  CloseZeroArgsBuilder = Class.new(TabsOnRails::Tabs::Builder) do
    def close_tabs
      '</ul>'
    end
  end

  BlockBuilder = Class.new(TabsOnRails::Tabs::Builder) do
    def tab_for(tab, name, options, item_options = {}, &block)
      item_options[:class] = item_options[:class].to_s.split(" ").push("current").join(" ") if current_tab?(tab)
      content  = @context.link_to(name, options)
      content += @context.capture(&block) if block_given?
      @context.content_tag(:li, content, item_options)
    end
  end


  def setup
    @template = self
    @tabs     = TabsOnRails::Tabs.new(@template)
  end


  def test_initialize
    @tabs = TabsOnRails::Tabs.new(@template)
    assert_equal @template, @tabs.instance_variable_get(:"@context")
    assert_instance_of TabsOnRails::Tabs::TabsBuilder, @tabs.instance_variable_get(:"@builder")
  end

  def test_initialize_with_option_builder
    builder = Class.new(TabsOnRails::Tabs::TabsBuilder)
    @tabs = TabsOnRails::Tabs.new(@template, :builder => builder)
    assert_equal @template, @tabs.instance_variable_get(:"@context")
    assert_instance_of builder, @tabs.instance_variable_get(:"@builder")
  end


  def test_open_tabs
    assert_equal '<ul>', @tabs.open_tabs
  end

  def test_open_tabs_with_options
    assert_equal '<ul class="foo">', @tabs.open_tabs(:class => "foo")
  end

  def test_open_tabs_should_ignore_options_if_arity_is_zero
    @tabs = TabsOnRails::Tabs.new(@template, :builder => OpenZeroArgsBuilder)
    assert_nothing_raised do 
      assert_equal '<ul>', @tabs.open_tabs(:class => "foo")
    end
  end


  def test_close_tabs
    assert_equal '</ul>', @tabs.close_tabs
  end

  def test_close_tabs_with_options
    assert_equal '</ul>', @tabs.close_tabs(:class => "foo")
  end

  def test_open_tabs_should_ignore_options_if_arity_is_zero
    @tabs = TabsOnRails::Tabs.new(@template, :builder => CloseZeroArgsBuilder)
    assert_nothing_raised do 
      assert_equal '</ul>', @tabs.close_tabs(:class => "foo")
    end
  end


  def test_tab_for
    assert_equal %Q{<li><a href="#">Welcome</a></li>},
                 @tabs.welcome('Welcome', '#')
  end

  def test_tab_for_with_block
    @tabs = TabsOnRails::Tabs.new(@template, :builder => BlockBuilder)
    expected = %Q{<li class="current"><a href="http://dashboard.com/">Foo Bar</a>More Content</li>}
    result   = @tabs.dashboard('Foo Bar', 'http://dashboard.com/') do
      "More Content"
    end

    assert_dom_equal expected, result
  end

end