testing_gists_zomg

#!/usr/bin/env ruby
# :title:Category Filter Tests
# = Name
# Test the categories (left-nav checkboxes) filter
# = Description
# Show that the filter is working as intended.

require "selenium_helper"


class CategoryFilterTest < Test::Unit::TestCase
  
  include SeleniumHelper
  
  #1. Checking the All checkbox selects all the category checkboxes. 
  def test_select_all
    get_research
    check_all
    assert all_checked?
    checkbox_array.each do |e|
      assert browser.checked?("#{e}")
    end
  end
  
  #1a. Un-checking any category checkbox, de-selects the All checkbox.
  def test_select_all_then_uncheck_one
    get_research
    check_all
    assert all_checked?
    browser.click(checkbox_array[1])
    assert !all_checked?
  end
  
  #2. Un-checking the All checkbox de-selects all the category checkboxes. 
  def test_check_all_then_uncheck_all
    get_research
    check_all
    checkbox_array.each do |e|
      assert browser.checked?("#{e}")
    end
    check_all
    checkbox_array.each do |e|
      assert !browser.checked?("#{e}")
    end
  end
  
  #3. Clicking the 'Filter' button
  #    A. Results in an Ajax replacement of the current content, with content only from categories corresponding to whatever checkboxes are selected.
  #    B. Notifies the user that content is being loaded. Notification should remain visible until content has fully loaded.
  # def test_clicking_the_filter_button
  #   get_research :popular
  #   browser.click(checkbox_array[1])
  #   browser.click('filterButton')
  #   assert browser.js_eval("#{$window}$('filterSpinner').style.display === 'block')")
  #   js = "" << "(#{$window}$('filterSpinner').style.display === '')) && (#{$window}$('leftTabTable').style.display = '') == true;"
  #   wait_for_condition(js)
  #   assert browser.js_eval("#{$window}$('filterSpinner').style.display === '')")
  # end
  
  # Ancillary tests; make sure the leftnav is here.
  def test_categories_display_on_research
    get_research
    has_category_filter?
    get_research :popular
    has_category_filter?
    get_research :recent
    has_category_filter?
  end
  # Ancillary tests; make sure the leftnav is here.
  def test_categories_display_on_library
    get_library
    has_category_filter?
    get_library :popular
    has_category_filter?
    get_library :alpha
    has_category_filter?
  end
  
  # EXPERIMENTAL TESTS
  # def test_number_of_categories
  #   get_research :recent
  #   no_cats = Category.count
  #   no_page = checkbox_array.length
  #   assert_equal no_cats, no_page
  # end
  
  protected
  def has_category_filter?
    assert_equal("Filter by:", browser.js_eval("#{$window}$$('form h2')[0].innerHTML"))
    assert_equal("Categories", browser.js_eval("#{$window}$$('form h3')[0].innerHTML"))
  end
  
  def get_research(sym=nil)
    browser.open "/research#{ sym.nil? ? '' : '/' + sym.to_s }"
  end
  
  def get_library(sym=nil)
    browser.open "/library#{ sym.nil? ? '' : '/' + sym.to_s }"
  end
  
  def check_all
    browser.click("checkAll")
  end
  
  def all_checked?
    browser.checked?("checkAll")
  end
  
  def checkbox_array
    ids_from_css("div\#tertiary.span-5 form input")
  end
  
  # == Given a CSS expression, return an array of the IDs of each of the elements matched by that expression.
  def ids_from_css(css3_expression)
    #ary = browser.js_eval("var checkboxes = #{$window}$$('div#tertiary.span-5 form input'); var ids = []; checkboxes.each(function(el){ids.push(el.id)}); ids.toString();").split(',')
    ary = browser.js_eval("#{$window}ZEP.util.ids.fromCSS('#{css3_expression}').toString()").split(',')
  end

end