Added FormHelper#form_for and FormHelper#fields_for that makes it easier to work with forms for single objects also if they don't reside in instance variables [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3003 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

4 files changed, 175 insertions, 6 deletions

diff --git a/actionpack/test/template/date_helper_test.rb b/actionpack/test/template/date_helper_test.rb
index a890baa115..bb6cd19013 100755
--- a/actionpack/test/template/date_helper_test.rb
+++ b/actionpack/test/template/date_helper_test.rb
@@ -1,9 +1,13 @@
 require 'test/unit'
-require File.dirname(__FILE__) + '/../../lib/action_view/helpers/date_helper'
 require File.dirname(__FILE__) + "/../abstract_unit"
 
 class DateHelperTest < Test::Unit::TestCase
   include ActionView::Helpers::DateHelper
+  include ActionView::Helpers::FormHelper
+
+  silence_warnings do
+    Post = Struct.new("Post", :written_on, :updated_at)
+  end
 
   def test_distance_in_words
     from = Time.mktime(2004, 3, 6, 21, 41, 18)
@@ -497,6 +501,38 @@ class DateHelperTest < Test::Unit::TestCase
     assert_equal expected, select_date(0, :start_year => 2003, :end_year => 2005, :prefix => "date[first]")
   end
 
+  def test_date_select_within_fields_for
+    @post = Post.new
+    @post.written_on = Date.new(2004, 6, 15)
+    
+    _erbout = ''
+    
+    fields_for :post => @post do |f|
+      _erbout.concat f.date_select(:written_on)
+    end
+    
+    expected = "<select name='post[written_on(1i)]'>\n<option value='1999'>1999</option>\n<option value='2000'>2000</option>\n<option value='2001'>2001</option>\n<option value='2002'>2002</option>\n<option value='2003'>2003</option>\n<option selected='selected' value='2004'>2004</option>\n<option value='2005'>2005</option>\n<option value='2006'>2006</option>\n<option value='2007'>2007</option>\n<option value='2008'>2008</option>\n<option value='2009'>2009</option>\n</select>\n" +
+    "<select name='post[written_on(2i)]'>\n<option value='1'>January</option>\n<option value='2'>February</option>\n<option value='3'>March</option>\n<option value='4'>April</option>\n<option value='5'>May</option>\n<option selected='selected' value='6'>June</option>\n<option value='7'>July</option>\n<option value='8'>August</option>\n<option value='9'>September</option>\n<option value='10'>October</option>\n<option value='11'>November</option>\n<option value='12'>December</option>\n</select>\n" +
+    "<select name='post[written_on(3i)]'>\n<option value='1'>1</option>\n<option value='2'>2</option>\n<option value='3'>3</option>\n<option value='4'>4</option>\n<option value='5'>5</option>\n<option value='6'>6</option>\n<option value='7'>7</option>\n<option value='8'>8</option>\n<option value='9'>9</option>\n<option value='10'>10</option>\n<option value='11'>11</option>\n<option value='12'>12</option>\n<option value='13'>13</option>\n<option value='14'>14</option>\n<option selected='selected' value='15'>15</option>\n<option value='16'>16</option>\n<option value='17'>17</option>\n<option value='18'>18</option>\n<option value='19'>19</option>\n<option value='20'>20</option>\n<option value='21'>21</option>\n<option value='22'>22</option>\n<option value='23'>23</option>\n<option value='24'>24</option>\n<option value='25'>25</option>\n<option value='26'>26</option>\n<option value='27'>27</option>\n<option value='28'>28</option>\n<option value='29'>29</option>\n<option value='30'>30</option>\n<option value='31'>31</option>\n</select>\n"
+
+    assert_dom_equal(expected, _erbout)    
+  end
+
+  def test_datetime_select_within_fields_for
+    @post = Post.new
+    @post.updated_at = Time.local(2004, 6, 15, 16, 35)
+    
+    _erbout = ''
+    
+    fields_for :post => @post do |f|
+      _erbout.concat f.datetime_select(:updated_at)
+    end
+    
+    expected = "<select name='post[updated_at(1i)]'>\n<option value='1999'>1999</option>\n<option value='2000'>2000</option>\n<option value='2001'>2001</option>\n<option value='2002'>2002</option>\n<option value='2003'>2003</option>\n<option selected='selected' value='2004'>2004</option>\n<option value='2005'>2005</option>\n<option value='2006'>2006</option>\n<option value='2007'>2007</option>\n<option value='2008'>2008</option>\n<option value='2009'>2009</option>\n</select>\n<select name='post[updated_at(2i)]'>\n<option value='1'>January</option>\n<option value='2'>February</option>\n<option value='3'>March</option>\n<option value='4'>April</option>\n<option value='5'>May</option>\n<option selected='selected' value='6'>June</option>\n<option value='7'>July</option>\n<option value='8'>August</option>\n<option value='9'>September</option>\n<option value='10'>October</option>\n<option value='11'>November</option>\n<option value='12'>December</option>\n</select>\n<select name='post[updated_at(3i)]'>\n<option value='1'>1</option>\n<option value='2'>2</option>\n<option value='3'>3</option>\n<option value='4'>4</option>\n<option value='5'>5</option>\n<option value='6'>6</option>\n<option value='7'>7</option>\n<option value='8'>8</option>\n<option value='9'>9</option>\n<option value='10'>10</option>\n<option value='11'>11</option>\n<option value='12'>12</option>\n<option value='13'>13</option>\n<option value='14'>14</option>\n<option selected='selected' value='15'>15</option>\n<option value='16'>16</option>\n<option value='17'>17</option>\n<option value='18'>18</option>\n<option value='19'>19</option>\n<option value='20'>20</option>\n<option value='21'>21</option>\n<option value='22'>22</option>\n<option value='23'>23</option>\n<option value='24'>24</option>\n<option value='25'>25</option>\n<option value='26'>26</option>\n<option value='27'>27</option>\n<option value='28'>28</option>\n<option value='29'>29</option>\n<option value='30'>30</option>\n<option value='31'>31</option>\n</select>\n &mdash; <select name='post[updated_at(4i)]'>\n<option value='00'>00</option>\n<option value='01'>01</option>\n<option value='02'>02</option>\n<option value='03'>03</option>\n<option value='04'>04</option>\n<option value='05'>05</option>\n<option value='06'>06</option>\n<option value='07'>07</option>\n<option value='08'>08</option>\n<option value='09'>09</option>\n<option value='10'>10</option>\n<option value='11'>11</option>\n<option value='12'>12</option>\n<option value='13'>13</option>\n<option value='14'>14</option>\n<option value='15'>15</option>\n<option selected='selected' value='16'>16</option>\n<option value='17'>17</option>\n<option value='18'>18</option>\n<option value='19'>19</option>\n<option value='20'>20</option>\n<option value='21'>21</option>\n<option value='22'>22</option>\n<option value='23'>23</option>\n</select>\n : <select name='post[updated_at(5i)]'>\n<option value='00'>00</option>\n<option value='01'>01</option>\n<option value='02'>02</option>\n<option value='03'>03</option>\n<option value='04'>04</option>\n<option value='05'>05</option>\n<option value='06'>06</option>\n<option value='07'>07</option>\n<option value='08'>08</option>\n<option value='09'>09</option>\n<option value='10'>10</option>\n<option value='11'>11</option>\n<option value='12'>12</option>\n<option value='13'>13</option>\n<option value='14'>14</option>\n<option value='15'>15</option>\n<option value='16'>16</option>\n<option value='17'>17</option>\n<option value='18'>18</option>\n<option value='19'>19</option>\n<option value='20'>20</option>\n<option value='21'>21</option>\n<option value='22'>22</option>\n<option value='23'>23</option>\n<option value='24'>24</option>\n<option value='25'>25</option>\n<option value='26'>26</option>\n<option value='27'>27</option>\n<option value='28'>28</option>\n<option value='29'>29</option>\n<option value='30'>30</option>\n<option value='31'>31</option>\n<option value='32'>32</option>\n<option value='33'>33</option>\n<option value='34'>34</option>\n<option selected='selected' value='35'>35</option>\n<option value='36'>36</option>\n<option value='37'>37</option>\n<option value='38'>38</option>\n<option value='39'>39</option>\n<option value='40'>40</option>\n<option value='41'>41</option>\n<option value='42'>42</option>\n<option value='43'>43</option>\n<option value='44'>44</option>\n<option value='45'>45</option>\n<option value='46'>46</option>\n<option value='47'>47</option>\n<option value='48'>48</option>\n<option value='49'>49</option>\n<option value='50'>50</option>\n<option value='51'>51</option>\n<option value='52'>52</option>\n<option value='53'>53</option>\n<option value='54'>54</option>\n<option value='55'>55</option>\n<option value='56'>56</option>\n<option value='57'>57</option>\n<option value='58'>58</option>\n<option value='59'>59</option>\n</select>\n"
+
+    assert_dom_equal(expected, _erbout)    
+  end
+
   def test_date_select_with_zero_value_and_no_start_year
     expected =  %(<select name="date[first][year]">\n)
     (Date.today.year-5).upto(Date.today.year+1) { |y| expected << %(<option value="#{y}">#{y}</option>\n) }
diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index 08b5421c81..ae8cc50a73 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -1,10 +1,11 @@
-require 'test/unit'
-require 'erb'
-require File.dirname(__FILE__) + '/../../lib/action_view/helpers/form_helper'
-require File.dirname(__FILE__) + '/../../../activesupport/lib/active_support/core_ext/hash' #for stringify keys
+require File.dirname(__FILE__) + '/../abstract_unit'
 
 class FormHelperTest < Test::Unit::TestCase
   include ActionView::Helpers::FormHelper
+  include ActionView::Helpers::FormTagHelper
+  include ActionView::Helpers::UrlHelper
+  include ActionView::Helpers::TagHelper
+  include ActionView::Helpers::TextHelper
 
   silence_warnings do
     Post = Struct.new("Post", :title, :author_name, :body, :secret, :written_on, :cost)
@@ -27,6 +28,13 @@ class FormHelperTest < Test::Unit::TestCase
     @post.body        = "Back to the hill and over it again!"
     @post.secret      = 1
     @post.written_on  = Date.new(2004, 6, 15)
+
+    @controller = Class.new do
+      def url_for(options, *parameters_for_method_reference)
+        "http://www.example.com"
+      end
+    end
+    @controller = @controller.new
   end
 
   def test_text_field
@@ -187,4 +195,65 @@ class FormHelperTest < Test::Unit::TestCase
       radio_button("post[]", "title", "Goodbye World")
     )
   end
-end
+
+  def test_form_for
+    _erbout = ''
+
+    form_for(:post => @post) do |f|
+      _erbout.concat f.text_field(:title)
+      _erbout.concat f.text_area(:body)
+      _erbout.concat f.check_box(:secret)
+    end
+
+    expected = 
+      "<form action='http://www.example.com' method='post'>" +
+      "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
+      "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+      "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
+      "<input name='post[secret]' type='hidden' value='0' />" +
+      "</form>"
+
+    assert_dom_equal expected, _erbout
+  end
+
+  def test_fields_for
+    _erbout = ''
+
+    fields_for(:post => @post) do |f|
+      _erbout.concat f.text_field(:title)
+      _erbout.concat f.text_area(:body)
+      _erbout.concat f.check_box(:secret)
+    end
+
+    expected = 
+      "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
+      "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+      "<input name='post[secret]' checked='checked' type='checkbox' id='post_secret' value='1' />" +
+      "<input name='post[secret]' type='hidden' value='0' />"
+
+    assert_dom_equal expected, _erbout
+  end
+  
+  def test_form_for_and_fields_for
+    _erbout = ''
+
+    form_for(:post => @post) do |post_form|
+      _erbout.concat post_form.text_field(:title)
+      _erbout.concat post_form.text_area(:body)
+
+      fields_for(:parent_post => @post) do |parent_fields|
+        _erbout.concat parent_fields.check_box(:secret)
+      end
+    end
+
+    expected = 
+      "<form action='http://www.example.com' method='post'>" +
+      "<input name='post[title]' size='30' type='text' id='post_title' value='Hello World' />" +
+      "<textarea name='post[body]' id='post_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+      "<input name='parent_post[secret]' checked='checked' type='checkbox' id='parent_post_secret' value='1' />" +
+      "<input name='parent_post[secret]' type='hidden' value='0' />" +
+      "</form>"
+
+    assert_dom_equal expected, _erbout
+  end
+end
\ No newline at end of file
diff --git a/actionpack/test/template/form_options_helper_test.rb b/actionpack/test/template/form_options_helper_test.rb
index 36d68492ec..4d22f0cfef 100644
--- a/actionpack/test/template/form_options_helper_test.rb
+++ b/actionpack/test/template/form_options_helper_test.rb
@@ -23,6 +23,7 @@ end
 ActionView::Helpers::FormOptionsHelper::TimeZone = MockTimeZone
 
 class FormOptionsHelperTest < Test::Unit::TestCase
+  include ActionView::Helpers::FormHelper
   include ActionView::Helpers::FormOptionsHelper
 
   silence_warnings do
@@ -222,6 +223,22 @@ class FormOptionsHelperTest < Test::Unit::TestCase
     )
   end
 
+  def test_select_under_fields_for
+    @post = Post.new
+    @post.category = "<mus>"
+    
+    _erbout = ''
+    
+    fields_for :post => @post do |f|
+      _erbout.concat f.select(:category, %w( abe <mus> hest))
+    end
+    
+    assert_dom_equal(
+      "<select id=\"post_category\" name=\"post[category]\"><option value=\"abe\">abe</option>\n<option value=\"&lt;mus&gt;\" selected=\"selected\">&lt;mus&gt;</option>\n<option value=\"hest\">hest</option></select>",
+      _erbout
+    )
+  end
+
   def test_select_with_blank
     @post = Post.new
     @post.category = "<mus>"
@@ -283,6 +300,28 @@ class FormOptionsHelperTest < Test::Unit::TestCase
     )
   end
 
+  def test_collection_select_under_fields_for
+    @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"
+    
+    _erbout = ''
+    
+    fields_for :post => @post do |f|
+      _erbout.concat f.collection_select(:author_name, @posts, :author_name, :author_name)
+    end
+    
+    assert_dom_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>",
+      _erbout
+    )
+  end
+
   def test_collection_select_with_blank_and_style
     @posts = [
       Post.new("<Abe> went home", "<Abe>", "To a little house", "shh!"),
@@ -324,6 +363,27 @@ class FormOptionsHelperTest < Test::Unit::TestCase
                  html
   end
 
+  def test_time_zone_select_under_fields_for
+    @firm = Firm.new("D")
+    
+    _erbout = ''
+    
+    fields_for :firm => @firm do |f|
+      _erbout.concat f.time_zone_select(:time_zone)
+    end
+    
+    assert_dom_equal(
+      "<select id=\"firm_time_zone\" name=\"firm[time_zone]\">" +
+      "<option value=\"A\">A</option>\n" +
+      "<option value=\"B\">B</option>\n" +
+      "<option value=\"C\">C</option>\n" +
+      "<option value=\"D\" selected=\"selected\">D</option>\n" +
+      "<option value=\"E\">E</option>" +
+      "</select>",
+      _erbout
+    )
+  end
+  
   def test_time_zone_select_with_blank
     @firm = Firm.new("D")
     html = time_zone_select("firm", "time_zone", nil, :include_blank => true)
diff --git a/actionpack/test/template/form_tag_helper_test.rb b/actionpack/test/template/form_tag_helper_test.rb
index 546d3e6772..401d3fbadc 100644
--- a/actionpack/test/template/form_tag_helper_test.rb
+++ b/actionpack/test/template/form_tag_helper_test.rb
@@ -93,5 +93,9 @@ class FormTagHelperTest < Test::Unit::TestCase
     expected = %(<input id="admin" name="title" type="text" value="Hello!" />)
     assert_dom_equal expected, actual
   end
+
+  def test_pass
+    assert_equal 1, 1
+  end
 end