vendor/rails/actionpack/test/template/form_helper_test.rb

   1 require 'abstract_unit'
   2
   3 silence_warnings do
   4   Post = Struct.new(:title, :author_name, :body, :secret, :written_on, :cost)
   5   Post.class_eval do
   6     alias_method :title_before_type_cast, :title unless respond_to?(:title_before_type_cast)
   7     alias_method :body_before_type_cast, :body unless respond_to?(:body_before_type_cast)
   8     alias_method :author_name_before_type_cast, :author_name unless respond_to?(:author_name_before_type_cast)
   9     alias_method :secret?, :secret
  10
  11     def new_record=(boolean)
  12       @new_record = boolean
  13     end
  14
  15     def new_record?
  16       @new_record
  17     end
  18   end
  19
  20   class Comment
  21     attr_reader :id
  22     attr_reader :post_id
  23     def save; @id = 1; @post_id = 1 end
  24     def new_record?; @id.nil? end
  25     def to_param; @id; end
  26     def name
  27       @id.nil? ? 'new comment' : "comment ##{@id}"
  28     end
  29   end
  30 end
  31
  32 class Comment::Nested < Comment; end
  33
  34 class FormHelperTest < ActionView::TestCase
  35   tests ActionView::Helpers::FormHelper
  36
  37   def setup
  38     @post = Post.new
  39     @comment = Comment.new
  40     def @post.errors()
  41       Class.new{
  42         def on(field); "can't be empty" if field == "author_name"; end
  43         def empty?() false end
  44         def count() 1 end
  45         def full_messages() [ "Author name can't be empty" ] end
  46       }.new
  47     end
  48     def @post.id; 123; end
  49     def @post.id_before_type_cast; 123; end
  50     def @post.to_param; '123'; end
  51
  52     @post.title       = "Hello World"
  53     @post.author_name = ""
  54     @post.body        = "Back to the hill and over it again!"
  55     @post.secret      = 1
  56     @post.written_on  = Date.new(2004, 6, 15)
  57
  58     @controller = Class.new do
  59       attr_reader :url_for_options
  60       def url_for(options)
  61         @url_for_options = options
  62         "http://www.example.com"
  63       end
  64     end
  65     @controller = @controller.new
  66   end
  67
  68   def test_label
  69     assert_dom_equal('<label for="post_title">Title</label>', label("post", "title"))
  70     assert_dom_equal('<label for="post_title">The title goes here</label>', label("post", "title", "The title goes here"))
  71     assert_dom_equal(
  72       '<label class="title_label" for="post_title">Title</label>',
  73       label("post", "title", nil, :class => 'title_label')
  74     )
  75     assert_dom_equal('<label for="post_secret">Secret?</label>', label("post", "secret?"))
  76   end
  77
  78   def test_label_with_symbols
  79     assert_dom_equal('<label for="post_title">Title</label>', label(:post, :title))
  80     assert_dom_equal('<label for="post_secret">Secret?</label>', label(:post, :secret?))
  81   end
  82
  83   def test_label_with_for_attribute_as_symbol
  84     assert_dom_equal('<label for="my_for">Title</label>', label(:post, :title, nil, :for => "my_for"))
  85   end
  86
  87   def test_label_with_for_attribute_as_string
  88     assert_dom_equal('<label for="my_for">Title</label>', label(:post, :title, nil, "for" => "my_for"))
  89   end
  90
  91   def test_text_field
  92     assert_dom_equal(
  93       '<input id="post_title" name="post[title]" size="30" type="text" value="Hello World" />', text_field("post", "title")
  94     )
  95     assert_dom_equal(
  96       '<input id="post_title" name="post[title]" size="30" type="password" value="Hello World" />', password_field("post", "title")
  97     )
  98     assert_dom_equal(
  99       '<input id="person_name" name="person[name]" size="30" type="password" />', password_field("person", "name")
 100     )
 101   end
 102
 103   def test_text_field_with_escapes
 104     @post.title = "<b>Hello World</b>"
 105     assert_dom_equal(
 106       '<input id="post_title" name="post[title]" size="30" type="text" value="&lt;b&gt;Hello World&lt;/b&gt;" />', text_field("post", "title")
 107     )
 108   end
 109
 110   def test_text_field_with_html_entities
 111     @post.title = "The HTML Entity for & is &amp;"
 112     assert_dom_equal(
 113       '<input id="post_title" name="post[title]" size="30" type="text" value="The HTML Entity for &amp; is &amp;amp;" />',
 114       text_field("post", "title")
 115     )
 116   end
 117
 118   def test_text_field_with_options
 119     expected = '<input id="post_title" name="post[title]" size="35" type="text" value="Hello World" />'
 120     assert_dom_equal expected, text_field("post", "title", "size" => 35)
 121     assert_dom_equal expected, text_field("post", "title", :size => 35)
 122   end
 123
 124   def test_text_field_assuming_size
 125     expected = '<input id="post_title" maxlength="35" name="post[title]" size="35" type="text" value="Hello World" />'
 126     assert_dom_equal expected, text_field("post", "title", "maxlength" => 35)
 127     assert_dom_equal expected, text_field("post", "title", :maxlength => 35)
 128   end
 129
 130   def test_text_field_removing_size
 131     expected = '<input id="post_title" maxlength="35" name="post[title]" type="text" value="Hello World" />'
 132     assert_dom_equal expected, text_field("post", "title", "maxlength" => 35, "size" => nil)
 133     assert_dom_equal expected, text_field("post", "title", :maxlength => 35, :size => nil)
 134   end
 135
 136   def test_text_field_doesnt_change_param_values
 137     object_name = 'post[]'
 138     expected = '<input id="post_123_title" name="post[123][title]" size="30" type="text" value="Hello World" />'
 139     assert_equal expected, text_field(object_name, "title")
 140     assert_equal object_name, "post[]"
 141   end
 142
 143   def test_hidden_field
 144     assert_dom_equal '<input id="post_title" name="post[title]" type="hidden" value="Hello World" />',
 145       hidden_field("post", "title")
 146       assert_dom_equal '<input id="post_secret" name="post[secret]" type="hidden" value="1" />',
 147         hidden_field("post", "secret?")
 148   end
 149
 150   def test_hidden_field_with_escapes
 151     @post.title = "<b>Hello World</b>"
 152     assert_dom_equal '<input id="post_title" name="post[title]" type="hidden" value="&lt;b&gt;Hello World&lt;/b&gt;" />',
 153       hidden_field("post", "title")
 154   end
 155
 156   def test_text_field_with_options
 157     assert_dom_equal '<input id="post_title" name="post[title]" type="hidden" value="Something Else" />',
 158       hidden_field("post", "title", :value => "Something Else")
 159   end
 160
 161   def test_check_box
 162     assert_dom_equal(
 163       '<input checked="checked" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 164       check_box("post", "secret")
 165     )
 166     @post.secret = 0
 167     assert_dom_equal(
 168       '<input id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 169       check_box("post", "secret")
 170     )
 171     assert_dom_equal(
 172       '<input checked="checked" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 173       check_box("post", "secret" ,{"checked"=>"checked"})
 174     )
 175     @post.secret = true
 176     assert_dom_equal(
 177       '<input checked="checked" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 178       check_box("post", "secret")
 179     )
 180     assert_dom_equal(
 181       '<input checked="checked" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 182       check_box("post", "secret?")
 183     )
 184
 185     @post.secret = ['0']
 186     assert_dom_equal(
 187       '<input id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 188       check_box("post", "secret")
 189     )
 190     @post.secret = ['1']
 191     assert_dom_equal(
 192       '<input checked="checked" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 193       check_box("post", "secret")
 194     )
 195   end
 196
 197   def test_check_box_with_explicit_checked_and_unchecked_values
 198     @post.secret = "on"
 199     assert_dom_equal(
 200       '<input checked="checked" id="post_secret" name="post[secret]" type="checkbox" value="on" /><input name="post[secret]" type="hidden" value="off" />',
 201       check_box("post", "secret", {}, "on", "off")
 202     )
 203   end
 204
 205   def test_checkbox_disabled_still_submits_checked_value
 206     assert_dom_equal(
 207       '<input checked="checked" disabled="disabled" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="1" />',
 208       check_box("post", "secret", { :disabled => :true })
 209     )
 210   end
 211
 212   def test_radio_button
 213     assert_dom_equal('<input checked="checked" id="post_title_hello_world" name="post[title]" type="radio" value="Hello World" />',
 214       radio_button("post", "title", "Hello World")
 215     )
 216     assert_dom_equal('<input id="post_title_goodbye_world" name="post[title]" type="radio" value="Goodbye World" />',
 217       radio_button("post", "title", "Goodbye World")
 218     )
 219     assert_dom_equal('<input id="item_subobject_title_inside_world" name="item[subobject][title]" type="radio" value="inside world"/>',
 220       radio_button("item[subobject]", "title", "inside world")
 221     )
 222   end
 223
 224   def test_radio_button_is_checked_with_integers
 225     assert_dom_equal('<input checked="checked" id="post_secret_1" name="post[secret]" type="radio" value="1" />',
 226       radio_button("post", "secret", "1")
 227    )
 228   end
 229
 230   def test_radio_button_respects_passed_in_id
 231      assert_dom_equal('<input checked="checked" id="foo" name="post[secret]" type="radio" value="1" />',
 232        radio_button("post", "secret", "1", :id=>"foo")
 233     )
 234   end
 235
 236   def test_text_area
 237     assert_dom_equal(
 238       '<textarea cols="40" id="post_body" name="post[body]" rows="20">Back to the hill and over it again!</textarea>',
 239       text_area("post", "body")
 240     )
 241   end
 242
 243   def test_text_area_with_escapes
 244     @post.body        = "Back to <i>the</i> hill and over it again!"
 245     assert_dom_equal(
 246       '<textarea cols="40" id="post_body" name="post[body]" rows="20">Back to &lt;i&gt;the&lt;/i&gt; hill and over it again!</textarea>',
 247       text_area("post", "body")
 248     )
 249   end
 250
 251   def test_text_area_with_alternate_value
 252     assert_dom_equal(
 253       '<textarea cols="40" id="post_body" name="post[body]" rows="20">Testing alternate values.</textarea>',
 254       text_area("post", "body", :value => 'Testing alternate values.')
 255     )
 256   end
 257
 258   def test_text_area_with_html_entities
 259     @post.body        = "The HTML Entity for & is &amp;"
 260     assert_dom_equal(
 261       '<textarea cols="40" id="post_body" name="post[body]" rows="20">The HTML Entity for &amp; is &amp;amp;</textarea>',
 262       text_area("post", "body")
 263     )
 264   end
 265
 266   def test_text_area_with_size_option
 267     assert_dom_equal(
 268       '<textarea cols="183" id="post_body" name="post[body]" rows="820">Back to the hill and over it again!</textarea>',
 269       text_area("post", "body", :size => "183x820")
 270     )
 271   end
 272
 273   def test_explicit_name
 274     assert_dom_equal(
 275       '<input id="post_title" name="dont guess" size="30" type="text" value="Hello World" />', text_field("post", "title", "name" => "dont guess")
 276     )
 277     assert_dom_equal(
 278       '<textarea cols="40" id="post_body" name="really!" rows="20">Back to the hill and over it again!</textarea>',
 279       text_area("post", "body", "name" => "really!")
 280     )
 281     assert_dom_equal(
 282       '<input checked="checked" id="post_secret" name="i mean it" type="checkbox" value="1" /><input name="i mean it" type="hidden" value="0" />',
 283       check_box("post", "secret", "name" => "i mean it")
 284     )
 285     assert_dom_equal text_field("post", "title", "name" => "dont guess"),
 286                  text_field("post", "title", :name => "dont guess")
 287     assert_dom_equal text_area("post", "body", "name" => "really!"),
 288                  text_area("post", "body", :name => "really!")
 289     assert_dom_equal check_box("post", "secret", "name" => "i mean it"),
 290                  check_box("post", "secret", :name => "i mean it")
 291   end
 292
 293   def test_explicit_id
 294     assert_dom_equal(
 295       '<input id="dont guess" name="post[title]" size="30" type="text" value="Hello World" />', text_field("post", "title", "id" => "dont guess")
 296     )
 297     assert_dom_equal(
 298       '<textarea cols="40" id="really!" name="post[body]" rows="20">Back to the hill and over it again!</textarea>',
 299       text_area("post", "body", "id" => "really!")
 300     )
 301     assert_dom_equal(
 302       '<input checked="checked" id="i mean it" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="0" />',
 303       check_box("post", "secret", "id" => "i mean it")
 304     )
 305     assert_dom_equal text_field("post", "title", "id" => "dont guess"),
 306                  text_field("post", "title", :id => "dont guess")
 307     assert_dom_equal text_area("post", "body", "id" => "really!"),
 308                  text_area("post", "body", :id => "really!")
 309     assert_dom_equal check_box("post", "secret", "id" => "i mean it"),
 310                  check_box("post", "secret", :id => "i mean it")
 311   end
 312
 313   def test_auto_index
 314     pid = @post.id
 315     assert_dom_equal(
 316       "<label for=\"post_#{pid}_title\">Title</label>",
 317       label("post[]", "title")
 318     )
 319     assert_dom_equal(
 320       "<input id=\"post_#{pid}_title\" name=\"post[#{pid}][title]\" size=\"30\" type=\"text\" value=\"Hello World\" />", text_field("post[]","title")
 321     )
 322     assert_dom_equal(
 323       "<textarea cols=\"40\" id=\"post_#{pid}_body\" name=\"post[#{pid}][body]\" rows=\"20\">Back to the hill and over it again!</textarea>",
 324       text_area("post[]", "body")
 325     )
 326     assert_dom_equal(
 327       "<input checked=\"checked\" id=\"post_#{pid}_secret\" name=\"post[#{pid}][secret]\" type=\"checkbox\" value=\"1\" /><input name=\"post[#{pid}][secret]\" type=\"hidden\" value=\"0\" />",
 328       check_box("post[]", "secret")
 329     )
 330    assert_dom_equal(
 331 "<input checked=\"checked\" id=\"post_#{pid}_title_hello_world\" name=\"post[#{pid}][title]\" type=\"radio\" value=\"Hello World\" />",
 332       radio_button("post[]", "title", "Hello World")
 333     )
 334     assert_dom_equal("<input id=\"post_#{pid}_title_goodbye_world\" name=\"post[#{pid}][title]\" type=\"radio\" value=\"Goodbye World\" />",
 335       radio_button("post[]", "title", "Goodbye World")
 336     )
 337   end
 338
 339   def test_form_for
 340     form_for(:post, @post, :html => { :id => 'create-post' }) do |f|
 341       concat f.label(:title)
 342       concat f.text_field(:title)
 343       concat f.text_area(:body)
 344       concat f.check_box(:secret)
 345       concat f.submit('Create post')
 346     end
 347
 348     expected =
 349       "<form action='http://www.example.com' id='create-post' method='post'>" +
 350       "<label for='post_title'>Title</label>" +
 351       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 352       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 353       "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 354       "<input name='post[secret]' type='hidden' value='0' />" +
 355       "<input name='commit' id='post_submit' type='submit' value='Create post' />" +
 356       "</form>"
 357
 358     assert_dom_equal expected, output_buffer
 359   end
 360
 361   def test_form_for_with_method
 362     form_for(:post, @post, :html => { :id => 'create-post', :method => :put }) do |f|
 363       concat f.text_field(:title)
 364       concat f.text_area(:body)
 365       concat f.check_box(:secret)
 366     end
 367
 368     expected =
 369       "<form action='http://www.example.com' id='create-post' method='post'>" +
 370       "<div style='margin:0;padding:0'><input name='_method' type='hidden' value='put' /></div>" +
 371       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 372       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 373       "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 374       "<input name='post[secret]' type='hidden' value='0' />" +
 375       "</form>"
 376
 377     assert_dom_equal expected, output_buffer
 378   end
 379
 380   def test_form_for_without_object
 381     form_for(:post, :html => { :id => 'create-post' }) do |f|
 382       concat f.text_field(:title)
 383       concat f.text_area(:body)
 384       concat f.check_box(:secret)
 385     end
 386
 387     expected =
 388       "<form action='http://www.example.com' id='create-post' method='post'>" +
 389       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 390       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 391       "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 392       "<input name='post[secret]' type='hidden' value='0' />" +
 393       "</form>"
 394
 395     assert_dom_equal expected, output_buffer
 396   end
 397
 398   def test_form_for_with_index
 399     form_for("post[]", @post) do |f|
 400       concat f.label(:title)
 401       concat f.text_field(:title)
 402       concat f.text_area(:body)
 403       concat f.check_box(:secret)
 404     end
 405
 406     expected =
 407       "<form action='http://www.example.com' method='post'>" +
 408       "<label for=\"post_123_title\">Title</label>" +
 409       "<input name='post[123][title]' size='30' type='text' id='post_123_title' value='Hello World' />" +
 410       "<textarea name='post[123][body]' id='post_123_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 411       "<input name='post[123][secret]' checked='checked' type='checkbox' id='post_123_secret' value='1' />" +
 412       "<input name='post[123][secret]' type='hidden' value='0' />" +
 413       "</form>"
 414
 415     assert_dom_equal expected, output_buffer
 416   end
 417
 418   def test_form_for_with_nil_index_option_override
 419     form_for("post[]", @post, :index => nil) do |f|
 420       concat f.text_field(:title)
 421       concat f.text_area(:body)
 422       concat f.check_box(:secret)
 423     end
 424
 425     expected =
 426       "<form action='http://www.example.com' method='post'>" +
 427       "<input name='post[][title]' size='30' type='text' id='post__title' value='Hello World' />" +
 428       "<textarea name='post[][body]' id='post__body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 429       "<input name='post[][secret]' checked='checked' type='checkbox' id='post__secret' value='1' />" +
 430       "<input name='post[][secret]' type='hidden' value='0' />" +
 431       "</form>"
 432
 433     assert_dom_equal expected, output_buffer
 434   end
 435
 436   def test_nested_fields_for
 437     form_for(:post, @post) do |f|
 438       f.fields_for(:comment, @post) do |c|
 439         concat c.text_field(:title)
 440       end
 441     end
 442
 443     expected = "<form action='http://www.example.com' method='post'>" +
 444                "<input name='post[comment][title]' size='30' type='text' id='post_comment_title' value='Hello World' />" +
 445                "</form>"
 446
 447     assert_dom_equal expected, output_buffer
 448   end
 449
 450   def test_nested_fields_for_with_nested_collections
 451     form_for('post[]', @post) do |f|
 452       concat f.text_field(:title)
 453       f.fields_for('comment[]', @comment) do |c|
 454         concat c.text_field(:name)
 455       end
 456     end
 457
 458     expected = "<form action='http://www.example.com' method='post'>" +
 459                "<input name='post[123][title]' size='30' type='text' id='post_123_title' value='Hello World' />" +
 460                "<input name='post[123][comment][][name]' size='30' type='text' id='post_123_comment__name' value='new comment' />" +
 461                "</form>"
 462
 463     assert_dom_equal expected, output_buffer
 464   end
 465
 466   def test_nested_fields_for_with_index
 467     form_for('post', @post, :index => 1) do |c|
 468       concat c.text_field(:title)
 469       c.fields_for('comment', @comment, :index => 1) do |r|
 470         concat r.text_field(:name)
 471       end
 472     end
 473
 474     expected = "<form action='http://www.example.com' method='post'>" +
 475                "<input name='post[1][title]' size='30' type='text' id='post_1_title' value='Hello World' />" +
 476                "<input name='post[1][comment][1][name]' size='30' type='text' id='post_1_comment_1_name' value='new comment' />" +
 477                "</form>"
 478
 479     assert_dom_equal expected, output_buffer
 480   end
 481
 482   def test_nested_fields_for_with_index
 483     form_for(:post, @post, :index => 1) do |f|
 484       f.fields_for(:comment, @post) do |c|
 485         concat c.text_field(:title)
 486       end
 487     end
 488
 489     expected = "<form action='http://www.example.com' method='post'>" +
 490                "<input name='post[1][comment][title]' size='30' type='text' id='post_1_comment_title' value='Hello World' />" +
 491                "</form>"
 492
 493     assert_dom_equal expected, output_buffer
 494   end
 495
 496   def test_nested_fields_for_with_index_on_both
 497     form_for(:post, @post, :index => 1) do |f|
 498       f.fields_for(:comment, @post, :index => 5) do |c|
 499         concat c.text_field(:title)
 500       end
 501     end
 502
 503     expected = "<form action='http://www.example.com' method='post'>" +
 504                "<input name='post[1][comment][5][title]' size='30' type='text' id='post_1_comment_5_title' value='Hello World' />" +
 505                "</form>"
 506
 507     assert_dom_equal expected, output_buffer
 508   end
 509
 510   def test_nested_fields_for_with_auto_index
 511     form_for("post[]", @post) do |f|
 512       f.fields_for(:comment, @post) do |c|
 513         concat c.text_field(:title)
 514       end
 515     end
 516
 517     expected = "<form action='http://www.example.com' method='post'>" +
 518                "<input name='post[123][comment][title]' size='30' type='text' id='post_123_comment_title' value='Hello World' />" +
 519                "</form>"
 520
 521     assert_dom_equal expected, output_buffer
 522   end
 523
 524   def test_nested_fields_for_with_auto_index_on_both
 525     form_for("post[]", @post) do |f|
 526       f.fields_for("comment[]", @post) do |c|
 527         concat c.text_field(:title)
 528       end
 529     end
 530
 531     expected = "<form action='http://www.example.com' method='post'>" +
 532                "<input name='post[123][comment][123][title]' size='30' type='text' id='post_123_comment_123_title' value='Hello World' />" +
 533                "</form>"
 534
 535     assert_dom_equal expected, output_buffer
 536   end
 537
 538   def test_nested_fields_for_with_index_and_auto_index
 539     form_for("post[]", @post) do |f|
 540       f.fields_for(:comment, @post, :index => 5) do |c|
 541         concat c.text_field(:title)
 542       end
 543     end
 544
 545     form_for(:post, @post, :index => 1) do |f|
 546       f.fields_for("comment[]", @post) do |c|
 547         concat c.text_field(:title)
 548       end
 549     end
 550
 551     expected = "<form action='http://www.example.com' method='post'>" +
 552                "<input name='post[123][comment][5][title]' size='30' type='text' id='post_123_comment_5_title' value='Hello World' />" +
 553                "</form>" +
 554                "<form action='http://www.example.com' method='post'>" +
 555                "<input name='post[1][comment][123][title]' size='30' type='text' id='post_1_comment_123_title' value='Hello World' />" +
 556                "</form>"
 557
 558     assert_dom_equal expected, output_buffer
 559   end
 560
 561   def test_fields_for
 562     fields_for(:post, @post) do |f|
 563       concat f.text_field(:title)
 564       concat f.text_area(:body)
 565       concat f.check_box(:secret)
 566     end
 567
 568     expected =
 569       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 570       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 571       "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 572       "<input name='post[secret]' type='hidden' value='0' />"
 573
 574     assert_dom_equal expected, output_buffer
 575   end
 576
 577   def test_fields_for_with_index
 578     fields_for("post[]", @post) do |f|
 579       concat f.text_field(:title)
 580       concat f.text_area(:body)
 581       concat f.check_box(:secret)
 582     end
 583
 584     expected =
 585       "<input name='post[123][title]' size='30' type='text' id='post_123_title' value='Hello World' />" +
 586       "<textarea name='post[123][body]' id='post_123_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 587       "<input name='post[123][secret]' checked='checked' type='checkbox' id='post_123_secret' value='1' />" +
 588       "<input name='post[123][secret]' type='hidden' value='0' />"
 589
 590     assert_dom_equal expected, output_buffer
 591   end
 592
 593   def test_fields_for_with_nil_index_option_override
 594     fields_for("post[]", @post, :index => nil) do |f|
 595       concat f.text_field(:title)
 596       concat f.text_area(:body)
 597       concat f.check_box(:secret)
 598     end
 599
 600     expected =
 601       "<input name='post[][title]' size='30' type='text' id='post__title' value='Hello World' />" +
 602       "<textarea name='post[][body]' id='post__body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 603       "<input name='post[][secret]' checked='checked' type='checkbox' id='post__secret' value='1' />" +
 604       "<input name='post[][secret]' type='hidden' value='0' />"
 605
 606     assert_dom_equal expected, output_buffer
 607   end
 608
 609   def test_fields_for_with_index_option_override
 610     fields_for("post[]", @post, :index => "abc") do |f|
 611       concat f.text_field(:title)
 612       concat f.text_area(:body)
 613       concat f.check_box(:secret)
 614     end
 615
 616     expected =
 617       "<input name='post[abc][title]' size='30' type='text' id='post_abc_title' value='Hello World' />" +
 618       "<textarea name='post[abc][body]' id='post_abc_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 619       "<input name='post[abc][secret]' checked='checked' type='checkbox' id='post_abc_secret' value='1' />" +
 620       "<input name='post[abc][secret]' type='hidden' value='0' />"
 621
 622     assert_dom_equal expected, output_buffer
 623   end
 624
 625   def test_fields_for_without_object
 626     fields_for(:post) do |f|
 627       concat f.text_field(:title)
 628       concat f.text_area(:body)
 629       concat f.check_box(:secret)
 630     end
 631
 632     expected =
 633       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 634       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 635       "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 636       "<input name='post[secret]' type='hidden' value='0' />"
 637
 638     assert_dom_equal expected, output_buffer
 639   end
 640
 641   def test_fields_for_with_only_object
 642     fields_for(@post) do |f|
 643       concat f.text_field(:title)
 644       concat f.text_area(:body)
 645       concat f.check_box(:secret)
 646     end
 647
 648     expected =
 649       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 650       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 651       "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 652       "<input name='post[secret]' type='hidden' value='0' />"
 653
 654     assert_dom_equal expected, output_buffer
 655   end
 656
 657   def test_fields_for_object_with_bracketed_name
 658     fields_for("author[post]", @post) do |f|
 659       concat f.label(:title)
 660       concat f.text_field(:title)
 661     end
 662
 663     assert_dom_equal "<label for=\"author_post_title\">Title</label>" +
 664     "<input name='author[post][title]' size='30' type='text' id='author_post_title' value='Hello World' />",
 665       output_buffer
 666   end
 667
 668   def test_fields_for_object_with_bracketed_name_and_index
 669     fields_for("author[post]", @post, :index => 1) do |f|
 670       concat f.label(:title)
 671       concat f.text_field(:title)
 672     end
 673
 674     assert_dom_equal "<label for=\"author_post_1_title\">Title</label>" +
 675       "<input name='author[post][1][title]' size='30' type='text' id='author_post_1_title' value='Hello World' />",
 676       output_buffer
 677   end
 678
 679   def test_form_builder_does_not_have_form_for_method
 680     assert ! ActionView::Helpers::FormBuilder.instance_methods.include?('form_for')
 681   end
 682
 683   def test_form_for_and_fields_for
 684     form_for(:post, @post, :html => { :id => 'create-post' }) do |post_form|
 685       concat post_form.text_field(:title)
 686       concat post_form.text_area(:body)
 687
 688       fields_for(:parent_post, @post) do |parent_fields|
 689         concat parent_fields.check_box(:secret)
 690       end
 691     end
 692
 693     expected =
 694       "<form action='http://www.example.com' id='create-post' method='post'>" +
 695       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 696       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 697       "<input name='parent_post[secret]' checked='checked' type='checkbox' id='parent_post_secret' value='1' />" +
 698       "<input name='parent_post[secret]' type='hidden' value='0' />" +
 699       "</form>"
 700
 701     assert_dom_equal expected, output_buffer
 702   end
 703
 704   def test_form_for_and_fields_for_with_object
 705     form_for(:post, @post, :html => { :id => 'create-post' }) do |post_form|
 706       concat post_form.text_field(:title)
 707       concat post_form.text_area(:body)
 708
 709       post_form.fields_for(@comment) do |comment_fields|
 710         concat comment_fields.text_field(:name)
 711       end
 712     end
 713
 714     expected =
 715       "<form action='http://www.example.com' id='create-post' method='post'>" +
 716       "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
 717       "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
 718       "<input name='post[comment][name]' type='text' id='post_comment_name' value='new comment' size='30' />" +
 719       "</form>"
 720
 721     assert_dom_equal expected, output_buffer
 722   end
 723
 724   class LabelledFormBuilder < ActionView::Helpers::FormBuilder
 725     (field_helpers - %w(hidden_field)).each do |selector|
 726       src = <<-END_SRC
 727         def #{selector}(field, *args, &proc)
 728           "<label for='\#{field}'>\#{field.to_s.humanize}:</label> " + super + "<br/>"
 729         end
 730       END_SRC
 731       class_eval src, __FILE__, __LINE__
 732     end
 733   end
 734
 735   def test_form_for_with_labelled_builder
 736     form_for(:post, @post, :builder => LabelledFormBuilder) do |f|
 737       concat f.text_field(:title)
 738       concat f.text_area(:body)
 739       concat f.check_box(:secret)
 740     end
 741
 742     expected =
 743       "<form action='http://www.example.com' method='post'>" +
 744       "<label for='title'>Title:</label> <input name='post[title]' size='30' type='text' id='post_title' value='Hello World' /><br/>" +
 745       "<label for='body'>Body:</label> <textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea><br/>" +
 746       "<label for='secret'>Secret:</label> <input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 747       "<input name='post[secret]' type='hidden' value='0' /><br/>" +
 748       "</form>"
 749
 750     assert_dom_equal expected, output_buffer
 751   end
 752
 753   def test_default_form_builder
 754     old_default_form_builder, ActionView::Base.default_form_builder =
 755       ActionView::Base.default_form_builder, LabelledFormBuilder
 756
 757     form_for(:post, @post) do |f|
 758       concat f.text_field(:title)
 759       concat f.text_area(:body)
 760       concat f.check_box(:secret)
 761     end
 762
 763     expected =
 764       "<form action='http://www.example.com' method='post'>" +
 765       "<label for='title'>Title:</label> <input name='post[title]' size='30' type='text' id='post_title' value='Hello World' /><br/>" +
 766       "<label for='body'>Body:</label> <textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea><br/>" +
 767       "<label for='secret'>Secret:</label> <input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 768       "<input name='post[secret]' type='hidden' value='0' /><br/>" +
 769       "</form>"
 770
 771     assert_dom_equal expected, output_buffer
 772   ensure
 773     ActionView::Base.default_form_builder = old_default_form_builder
 774   end
 775
 776   def test_default_form_builder_with_active_record_helpers
 777     form_for(:post, @post) do |f|
 778        concat f.error_message_on('author_name')
 779        concat f.error_messages
 780     end
 781
 782     expected = %(<form action='http://www.example.com' method='post'>) +
 783                %(<div class='formError'>can't be empty</div>) +
 784                %(<div class="errorExplanation" id="errorExplanation"><h2>1 error prohibited this post from being saved</h2><p>There were problems with the following fields:</p><ul><li>Author name can't be empty</li></ul></div>) +
 785                %(</form>)
 786
 787     assert_dom_equal expected, output_buffer
 788
 789   end
 790
 791   def test_default_form_builder_no_instance_variable
 792     post = @post
 793     @post = nil
 794
 795     form_for(:post, post) do |f|
 796        concat f.error_message_on('author_name')
 797        concat f.error_messages
 798     end
 799
 800     expected = %(<form action='http://www.example.com' method='post'>) +
 801                %(<div class='formError'>can't be empty</div>) +
 802                %(<div class="errorExplanation" id="errorExplanation"><h2>1 error prohibited this post from being saved</h2><p>There were problems with the following fields:</p><ul><li>Author name can't be empty</li></ul></div>) +
 803                %(</form>)
 804
 805     assert_dom_equal expected, output_buffer
 806
 807   end
 808
 809   # Perhaps this test should be moved to prototype helper tests.
 810   def test_remote_form_for_with_labelled_builder
 811     self.extend ActionView::Helpers::PrototypeHelper
 812
 813      remote_form_for(:post, @post, :builder => LabelledFormBuilder) do |f|
 814        concat f.text_field(:title)
 815        concat f.text_area(:body)
 816        concat f.check_box(:secret)
 817      end
 818
 819      expected =
 820        %(<form action="http://www.example.com" onsubmit="new Ajax.Request('http://www.example.com', {asynchronous:true, evalScripts:true, parameters:Form.serialize(this)}); return false;" method="post">) +
 821        "<label for='title'>Title:</label> <input name='post[title]' size='30' type='text' id='post_title' value='Hello World' /><br/>" +
 822        "<label for='body'>Body:</label> <textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea><br/>" +
 823        "<label for='secret'>Secret:</label> <input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 824        "<input name='post[secret]' type='hidden' value='0' /><br/>" +
 825        "</form>"
 826
 827      assert_dom_equal expected, output_buffer
 828   end
 829
 830   def test_fields_for_with_labelled_builder
 831     fields_for(:post, @post, :builder => LabelledFormBuilder) do |f|
 832       concat f.text_field(:title)
 833       concat f.text_area(:body)
 834       concat f.check_box(:secret)
 835     end
 836
 837     expected =
 838       "<label for='title'>Title:</label> <input name='post[title]' size='30' type='text' id='post_title' value='Hello World' /><br/>" +
 839       "<label for='body'>Body:</label> <textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea><br/>" +
 840       "<label for='secret'>Secret:</label> <input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
 841       "<input name='post[secret]' type='hidden' value='0' /><br/>"
 842
 843     assert_dom_equal expected, output_buffer
 844   end
 845
 846   def test_form_for_with_html_options_adds_options_to_form_tag
 847     form_for(:post, @post, :html => {:id => 'some_form', :class => 'some_class'}) do |f| end
 848     expected = "<form action=\"http://www.example.com\" class=\"some_class\" id=\"some_form\" method=\"post\"></form>"
 849
 850     assert_dom_equal expected, output_buffer
 851   end
 852
 853   def test_form_for_with_string_url_option
 854     form_for(:post, @post, :url => 'http://www.otherdomain.com') do |f| end
 855
 856     assert_equal '<form action="http://www.otherdomain.com" method="post"></form>', output_buffer
 857   end
 858
 859   def test_form_for_with_hash_url_option
 860     form_for(:post, @post, :url => {:controller => 'controller', :action => 'action'}) do |f| end
 861
 862     assert_equal 'controller', @controller.url_for_options[:controller]
 863     assert_equal 'action', @controller.url_for_options[:action]
 864   end
 865
 866   def test_form_for_with_record_url_option
 867     form_for(:post, @post, :url => @post) do |f| end
 868
 869     expected = "<form action=\"/posts/123\" method=\"post\"></form>"
 870     assert_equal expected, output_buffer
 871   end
 872
 873   def test_form_for_with_existing_object
 874     form_for(@post) do |f| end
 875
 876     expected = "<form action=\"/posts/123\" class=\"edit_post\" id=\"edit_post_123\" method=\"post\"><div style=\"margin:0;padding:0\"><input name=\"_method\" type=\"hidden\" value=\"put\" /></div></form>"
 877     assert_equal expected, output_buffer
 878   end
 879
 880   def test_form_for_with_new_object
 881     post = Post.new
 882     post.new_record = true
 883     def post.id() nil end
 884
 885     form_for(post) do |f| end
 886
 887     expected = "<form action=\"/posts\" class=\"new_post\" id=\"new_post\" method=\"post\"></form>"
 888     assert_equal expected, output_buffer
 889   end
 890
 891   def test_form_for_with_existing_object_in_list
 892     @post.new_record = false
 893     @comment.save
 894
 895     form_for([@post, @comment]) {}
 896
 897     expected = %(<form action="#{comment_path(@post, @comment)}" class="edit_comment" id="edit_comment_1" method="post"><div style="margin:0;padding:0"><input name="_method" type="hidden" value="put" /></div></form>)
 898     assert_dom_equal expected, output_buffer
 899   end
 900
 901   def test_form_for_with_new_object_in_list
 902     @post.new_record = false
 903
 904     form_for([@post, @comment]) {}
 905
 906     expected = %(<form action="#{comments_path(@post)}" class="new_comment" id="new_comment" method="post"></form>)
 907     assert_dom_equal expected, output_buffer
 908   end
 909
 910   def test_form_for_with_existing_object_and_namespace_in_list
 911     @post.new_record = false
 912     @comment.save
 913
 914     form_for([:admin, @post, @comment]) {}
 915
 916     expected = %(<form action="#{admin_comment_path(@post, @comment)}" class="edit_comment" id="edit_comment_1" method="post"><div style="margin:0;padding:0"><input name="_method" type="hidden" value="put" /></div></form>)
 917     assert_dom_equal expected, output_buffer
 918   end
 919
 920   def test_form_for_with_new_object_and_namespace_in_list
 921     @post.new_record = false
 922
 923     form_for([:admin, @post, @comment]) {}
 924
 925     expected = %(<form action="#{admin_comments_path(@post)}" class="new_comment" id="new_comment" method="post"></form>)
 926     assert_dom_equal expected, output_buffer
 927   end
 928
 929   def test_form_for_with_existing_object_and_custom_url
 930     form_for(@post, :url => "/super_posts") do |f| end
 931
 932     expected = "<form action=\"/super_posts\" class=\"edit_post\" id=\"edit_post_123\" method=\"post\"><div style=\"margin:0;padding:0\"><input name=\"_method\" type=\"hidden\" value=\"put\" /></div></form>"
 933     assert_equal expected, output_buffer
 934   end
 935
 936   def test_remote_form_for_with_html_options_adds_options_to_form_tag
 937     self.extend ActionView::Helpers::PrototypeHelper
 938
 939     remote_form_for(:post, @post, :html => {:id => 'some_form', :class => 'some_class'}) do |f| end
 940     expected = "<form action=\"http://www.example.com\" class=\"some_class\" id=\"some_form\" method=\"post\" onsubmit=\"new Ajax.Request('http://www.example.com', {asynchronous:true, evalScripts:true, parameters:Form.serialize(this)}); return false;\"></form>"
 941
 942     assert_dom_equal expected, output_buffer
 943   end
 944
 945   protected
 946     def comments_path(post)
 947       "/posts/#{post.id}/comments"
 948     end
 949     alias_method :post_comments_path, :comments_path
 950
 951     def comment_path(post, comment)
 952       "/posts/#{post.id}/comments/#{comment.id}"
 953     end
 954     alias_method :post_comment_path, :comment_path
 955
 956     def admin_comments_path(post)
 957       "/admin/posts/#{post.id}/comments"
 958     end
 959     alias_method :admin_post_comments_path, :admin_comments_path
 960
 961     def admin_comment_path(post, comment)
 962       "/admin/posts/#{post.id}/comments/#{comment.id}"
 963     end
 964     alias_method :admin_post_comment_path, :admin_comment_path
 965
 966     def posts_path
 967       "/posts"
 968     end
 969
 970     def post_path(post)
 971       "/posts/#{post.id}"
 972     end
 973
 974     def protect_against_forgery?
 975       false
 976     end
 977 end