rails/actionpack/test/template/form_options_helper_test.rb

require 'test/unit'
require File.dirname(__FILE__) + '/../../lib/action_view/helpers/form_options_helper'

class TimeZone
  attr_reader :name

  def initialize( name )
    @name = name
  end

  def self.all
    [ "A", "B", "C", "D", "E" ].map { |s| new s }
  end

  def ==( z )
    z && @name == z.name
  end

  def to_s
    @name
  end
end

class FormOptionsHelperTest < Test::Unit::TestCase
  include ActionView::Helpers::FormOptionsHelper

  old_verbose, $VERBOSE = $VERBOSE, nil
  Post      = Struct.new('Post', :title, :author_name, :body, :secret, :written_on, :category, :origin)
  Continent = Struct.new('Continent', :continent_name, :countries)
  Country   = Struct.new('Country', :country_id, :country_name)
  Firm      = Struct.new('Firm', :time_zone)
  $VERBOSE = old_verbose

  def test_collection_options
    @posts = [
      Post.new("<Abe> went home", "<Abe>", "To a little house", "shh!"),
      Post.new("Babe went home", "Babe", "To a little house", "shh!"),
      Post.new("Cabe went home", "Cabe", "To a little house", "shh!")
    ]

    assert_equal(
      "<option value=\"&lt;Abe&gt;\">&lt;Abe&gt; went home</option>\n<option value=\"Babe\">Babe went home</option>\n<option value=\"Cabe\">Cabe went home</option>",
      options_from_collection_for_select(@posts, "author_name", "title")
    )
  end

  
  def test_collection_options_with_preselected_value
    @posts = [
      Post.new("<Abe> went home", "<Abe>", "To a little house", "shh!"),
      Post.new("Babe went home", "Babe", "To a little house", "shh!"),
      Post.new("Cabe went home", "Cabe", "To a little house", "shh!")
    ]

    assert_equal(
      "<option value=\"&lt;Abe&gt;\">&lt;Abe&gt; went home</option>\n<option value=\"Babe\" selected=\"selected\">Babe went home</option>\n<option value=\"Cabe\">Cabe went home</option>",
      options_from_collection_for_select(@posts, "author_name", "title", "Babe")
    )
  end

  def test_collection_options_with_preselected_value_array
      @posts = [
        Post.new("<Abe> went home", "<Abe>", "To a little house", "shh!"),
        Post.new("Babe went home", "Babe", "To a little house", "shh!"),
        Post.new("Cabe went home", "Cabe", "To a little house", "shh!")
      ]

      assert_equal(
        "<option value=\"&lt;Abe&gt;\">&lt;Abe&gt; went home</option>\n<option value=\"Babe\" selected=\"selected\">Babe went home</option>\n<option value=\"Cabe\" selected=\"selected\">Cabe went home</option>",
        options_from_collection_for_select(@posts, "author_name", "title", [ "Babe", "Cabe" ])
      )
  end

  def test_array_options_for_select
    assert_equal(
      "<option>&lt;Denmark&gt;</option>\n<option>USA</option>\n<option>Sweden</option>", 
      options_for_select([ "<Denmark>", "USA", "Sweden" ])
    )
  end

  def test_array_options_for_select_with_selection
    assert_equal(
      "<option>Denmark</option>\n<option selected=\"selected\">&lt;USA&gt;</option>\n<option>Sweden</option>", 
      options_for_select([ "Denmark", "<USA>", "Sweden" ], "<USA>")
    )
  end

  def test_array_options_for_select_with_selection_array
      assert_equal(
        "<option>Denmark</option>\n<option selected=\"selected\">&lt;USA&gt;</option>\n<option selected=\"selected\">Sweden</option>",
        options_for_select([ "Denmark", "<USA>", "Sweden" ], [ "<USA>", "Sweden" ])
      )
  end

  def test_hash_options_for_select
    assert_equal(
      "<option value=\"&lt;Kroner&gt;\">&lt;DKR&gt;</option>\n<option value=\"Dollar\">$</option>", 
      options_for_select({ "$" => "Dollar", "<DKR>" => "<Kroner>" })
    )
  end

  def test_hash_options_for_select_with_selection
    assert_equal(
      "<option value=\"&lt;Kroner&gt;\">&lt;DKR&gt;</option>\n<option value=\"Dollar\" selected=\"selected\">$</option>", 
      options_for_select({ "$" => "Dollar", "<DKR>" => "<Kroner>" }, "Dollar")
    )
  end

  def test_hash_options_for_select_with_selection
    assert_equal(
      "<option value=\"&lt;Kroner&gt;\" selected=\"selected\">&lt;DKR&gt;</option>\n<option value=\"Dollar\" selected=\"selected\">$</option>", 
      options_for_select({ "$" => "Dollar", "<DKR>" => "<Kroner>" }, [ "Dollar", "<Kroner>" ])
    )
  end

  def test_html_option_groups_from_collection
    @continents = [
      Continent.new("<Africa>", [Country.new("<sa>", "<South Africa>"), Country.new("so", "Somalia")] ),
      Continent.new("Europe", [Country.new("dk", "Denmark"), Country.new("ie", "Ireland")] )
    ]

    assert_equal(
      "<optgroup label=\"&lt;Africa&gt;\"><option value=\"&lt;sa&gt;\">&lt;South Africa&gt;</option>\n<option value=\"so\">Somalia</option></optgroup><optgroup label=\"Europe\"><option value=\"dk\" selected=\"selected\">Denmark</option>\n<option value=\"ie\">Ireland</option></optgroup>",
      option_groups_from_collection_for_select(@continents, "countries", "continent_name", "country_id", "country_name", "dk")
    )
  end

  def test_time_zone_options_no_parms
    opts = time_zone_options_for_select
    assert_equal "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option>D</option>\n" +
                 "<option>E</option>",
                 opts
  end

  def test_time_zone_options_with_selected
    opts = time_zone_options_for_select( TimeZone.new( "D" ) )
    assert_equal "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option selected=\"selected\">D</option>\n" +
                 "<option>E</option>",
                 opts
  end

  def test_time_zone_options_with_unknown_selected
    opts = time_zone_options_for_select( TimeZone.new( "K" ) )
    assert_equal "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option>D</option>\n" +
                 "<option>E</option>",
                 opts
  end

  def test_time_zone_options_with_priority_zones
    zones = [ TimeZone.new( "B" ), TimeZone.new( "E" ) ]
    opts = time_zone_options_for_select( nil, zones )
    assert_equal "<option>B</option>\n" +
                 "<option>E</option>" +
                 "<option>-------------</option>\n" +
                 "<option>A</option>\n" +
                 "<option>C</option>\n" +
                 "<option>D</option>",
                 opts
  end

  def test_time_zone_options_with_selected_priority_zones
    zones = [ TimeZone.new( "B" ), TimeZone.new( "E" ) ]
    opts = time_zone_options_for_select( TimeZone.new("E"), zones )
    assert_equal "<option>B</option>\n" +
                 "<option selected=\"selected\">E</option>" +
                 "<option>-------------</option>\n" +
                 "<option>A</option>\n" +
                 "<option>C</option>\n" +
                 "<option>D</option>",
                 opts
  end

  def test_time_zone_options_with_unselected_priority_zones
    zones = [ TimeZone.new( "B" ), TimeZone.new( "E" ) ]
    opts = time_zone_options_for_select( TimeZone.new("C"), zones )
    assert_equal "<option>B</option>\n" +
                 "<option>E</option>" +
                 "<option>-------------</option>\n" +
                 "<option>A</option>\n" +
                 "<option selected=\"selected\">C</option>\n" +
                 "<option>D</option>",
                 opts
  end

  def test_select
    @post = Post.new
    @post.category = "<mus>"
    assert_equal(
      "<select id=\"post_category\" name=\"post[category]\"><option>abe</option>\n<option selected=\"selected\">&lt;mus&gt;</option>\n<option>hest</option></select>", 
      select("post", "category", %w( abe <mus> hest))
    )
  end

  def test_select_with_blank
    @post = Post.new
    @post.category = "<mus>"
    assert_equal(
      "<select id=\"post_category\" name=\"post[category]\"><option></option>\n<option>abe</option>\n<option selected=\"selected\">&lt;mus&gt;</option>\n<option>hest</option></select>", 
      select("post", "category", %w( abe <mus> hest), :include_blank => true)
    )
  end

  def test_collection_select
    @posts = [
      Post.new("<Abe> went home", "<Abe>", "To a little house", "shh!"),
      Post.new("Babe went home", "Babe", "To a little house", "shh!"),
      Post.new("Cabe went home", "Cabe", "To a little house", "shh!")
    ]

    @post = Post.new
    @post.author_name = "Babe"

    assert_equal(
      "<select id=\"post_author_name\" name=\"post[author_name]\"><option value=\"&lt;Abe&gt;\">&lt;Abe&gt;</option>\n<option value=\"Babe\" selected=\"selected\">Babe</option>\n<option value=\"Cabe\">Cabe</option></select>", 
      collection_select("post", "author_name", @posts, "author_name", "author_name")
    )
  end

  def test_collection_select_with_blank_and_style
    @posts = [
      Post.new("<Abe> went home", "<Abe>", "To a little house", "shh!"),
      Post.new("Babe went home", "Babe", "To a little house", "shh!"),
      Post.new("Cabe went home", "Cabe", "To a little house", "shh!")
    ]

    @post = Post.new
    @post.author_name = "Babe"

    assert_equal(
      "<select id=\"post_author_name\" name=\"post[author_name]\" style=\"width: 200px\"><option></option>\n<option value=\"&lt;Abe&gt;\">&lt;Abe&gt;</option>\n<option value=\"Babe\" selected=\"selected\">Babe</option>\n<option value=\"Cabe\">Cabe</option></select>", 
      collection_select("post", "author_name", @posts, "author_name", "author_name", { :include_blank => true }, "style" => "width: 200px")
    )
  end

  def test_country_select
    @post = Post.new
    @post.origin = "Denmark"
    assert_equal(
      "<select id=\"post_origin\" name=\"post[origin]\"><option>Afghanistan</option>\n<option>Albania</option>\n<option>Algeria</option>\n<option>American Samoa</option>\n<option>Andorra</option>\n<option>Angola</option>\n<option>Anguilla</option>\n<option>Antarctica</option>\n<option>Antigua And Barbuda</option>\n<option>Argentina</option>\n<option>Armenia</option>\n<option>Aruba</option>\n<option>Australia</option>\n<option>Austria</option>\n<option>Azerbaijan</option>\n<option>Bahamas</option>\n<option>Bahrain</option>\n<option>Bangladesh</option>\n<option>Barbados</option>\n<option>Belarus</option>\n<option>Belgium</option>\n<option>Belize</option>\n<option>Benin</option>\n<option>Bermuda</option>\n<option>Bhutan</option>\n<option>Bolivia</option>\n<option>Bosnia and Herzegowina</option>\n<option>Botswana</option>\n<option>Bouvet Island</option>\n<option>Brazil</option>\n<option>British Indian Ocean Territory</option>\n<option>Brunei Darussalam</option>\n<option>Bulgaria</option>\n<option>Burkina Faso</option>\n<option>Burma</option>\n<option>Burundi</option>\n<option>Cambodia</option>\n<option>Cameroon</option>\n<option>Canada</option>\n<option>Cape Verde</option>\n<option>Cayman Islands</option>\n<option>Central African Republic</option>\n<option>Chad</option>\n<option>Chile</option>\n<option>China</option>\n<option>Christmas Island</option>\n<option>Cocos (Keeling) Islands</option>\n<option>Colombia</option>\n<option>Comoros</option>\n<option>Congo</option>\n<option>Congo, the Democratic Republic of the</option>\n<option>Cook Islands</option>\n<option>Costa Rica</option>\n<option>Cote d'Ivoire</option>\n<option>Croatia</option>\n<option>Cyprus</option>\n<option>Czech Republic</option>\n<option selected=\"selected\">Denmark</option>\n<option>Djibouti</option>\n<option>Dominica</option>\n<option>Dominican Republic</option>\n<option>East Timor</option>\n<option>Ecuador</option>\n<option>Egypt</option>\n<option>El Salvador</option>\n<option>England</option>\n<option>Equatorial Guinea</option>\n<option>Eritrea</option>\n<option>Espana</option>\n<option>Estonia</option>\n<option>Ethiopia</option>\n<option>Falkland Islands</option>\n<option>Faroe Islands</option>\n<option>Fiji</option>\n<option>Finland</option>\n<option>France</option>\n<option>French Guiana</option>\n<option>French Polynesia</option>\n<option>French Southern Territories</option>\n<option>Gabon</option>\n<option>Gambia</option>\n<option>Georgia</option>\n<option>Germany</option>\n<option>Ghana</option>\n<option>Gibraltar</option>\n<option>Great Britain</option>\n<option>Greece</option>\n<option>Greenland</option>\n<option>Grenada</option>\n<option>Guadeloupe</option>\n<option>Guam</option>\n<option>Guatemala</option>\n<option>Guinea</option>\n<option>Guinea-Bissau</option>\n<option>Guyana</option>\n<option>Haiti</option>\n<option>Heard and Mc Donald Islands</option>\n<option>Honduras</option>\n<option>Hong Kong</option>\n<option>Hungary</option>\n<option>Iceland</option>\n<option>India</option>\n<option>Indonesia</option>\n<option>Ireland</option>\n<option>Israel</option>\n<option>Italy</option>\n<option>Iran</option>\n<option>Irak</option>\n<option>Jamaica</option>\n<option>Japan</option>\n<option>Jordan</option>\n<option>Kazakhstan</option>\n<option>Kenya</option>\n<option>Kiribati</option>\n<option>Korea, Republic of</option>\n<option>Korea (South)</option>\n<option>Kuwait</option>\n<option>Kyrgyzstan</option>\n<option>Lao People's Democratic Republic</option>\n<option>Latvia</option>\n<option>Lebanon</option>\n<option>Lesotho</option>\n<option>Liberia</option>\n<option>Liechtenstein</option>\n<option>Lithuania</option>\n<option>Luxembourg</option>\n<option>Macau</option>\n<option>Macedonia</option>\n<option>Madagascar</option>\n<option>Malawi</option>\n<option>Malaysia</option>\n<option>Maldives</option>\n<option>Mali</option>\n<option>Malta</option>\n<option>Marshall Islands</option>\n<option>Martinique</option>\n<option>Mauritania</option>\n<option>Mauritius</option>\n<option>Mayotte</option>\n<option>Mexico</option>\n<option>Micronesia, Federated
      country_select("post", "origin")
    )
  end

  def test_time_zone_select
    @firm = Firm.new( TimeZone.new( "D" ) )
    html = time_zone_select( "firm", "time_zone" )
    assert_equal "<select id=\"firm_time_zone\" name=\"firm[time_zone]\">" +
                 "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option selected=\"selected\">D</option>\n" +
                 "<option>E</option>" +
                 "</select>",
                 html
  end

  def test_time_zone_select_with_blank
    @firm = Firm.new(TimeZone.new("D"))
    html = time_zone_select("firm", "time_zone", nil, :include_blank => true)
    assert_equal "<select id=\"firm_time_zone\" name=\"firm[time_zone]\">" +
                 "<option></option>\n" +
                 "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option selected=\"selected\">D</option>\n" +
                 "<option>E</option>" +
                 "</select>",
                 html
  end

  def test_time_zone_select_with_style
    @firm = Firm.new(TimeZone.new("D"))
    html = time_zone_select("firm", "time_zone", nil, {},
      "style" => "color: red")
    assert_equal "<select id=\"firm_time_zone\" name=\"firm[time_zone]\" style=\"color: red\">" +
                 "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option selected=\"selected\">D</option>\n" +
                 "<option>E</option>" +
                 "</select>",
                 html
  end

  def test_time_zone_select_with_blank_and_style
    @firm = Firm.new(TimeZone.new("D"))
    html = time_zone_select("firm", "time_zone", nil,
      { :include_blank => true }, "style" => "color: red")
    assert_equal "<select id=\"firm_time_zone\" name=\"firm[time_zone]\" style=\"color: red\">" +
                 "<option></option>\n" +
                 "<option>A</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option selected=\"selected\">D</option>\n" +
                 "<option>E</option>" +
                 "</select>",
                 html
  end

  def test_time_zone_select_with_priority_zones
    @firm = Firm.new(TimeZone.new("D"))
    zones = [ TimeZone.new("A"), TimeZone.new("D") ]
    html = time_zone_select("firm", "time_zone", zones )
    assert_equal "<select id=\"firm_time_zone\" name=\"firm[time_zone]\">" +
                 "<option>A</option>\n" +
                 "<option selected=\"selected\">D</option>" +
                 "<option>-------------</option>\n" +
                 "<option>B</option>\n" +
                 "<option>C</option>\n" +
                 "<option>E</option>" +
                 "</select>",
                 html
  end
end