Added Hash#to_xml and Array#to_xml that makes it much easier to produce XML from basic structures [DHH] Moved Jim Weirich's wonderful Builder from Action Pack to Active Support (it's simply too useful to be stuck in AP) [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3812 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

3 files changed, 51 insertions, 2 deletions

diff --git a/activesupport/test/core_ext/array_ext_test.rb b/activesupport/test/core_ext/array_ext_test.rb
index 266b5eefab..e13c57d262 100644
--- a/activesupport/test/core_ext/array_ext_test.rb
+++ b/activesupport/test/core_ext/array_ext_test.rb
@@ -67,5 +67,14 @@ class ArrayExtGroupingTests < Test::Unit::TestCase
 
     assert_equal [%w(a b c), %w(d e f), ['g', false, false]], groups
   end
-
 end
+
+class ArraToXmlTests < Test::Unit::TestCase
+  def test_to_xml
+    a = [ { :name => "David", :street_address => "Paulina" }, { :name => "Jason", :street_address => "Evergreen" } ]
+    assert_equal(
+      "<hashes><hash><street-address type=\"string\">Paulina</street-address><name type=\"string\">David</name></hash><hash><street-address type=\"string\">Evergreen</street-address><name type=\"string\">Jason</name></hash></hashes>",
+      a.to_xml
+    )
+  end
+end
\ No newline at end of file
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index d74cea0991..b7d024f754 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -1,5 +1,5 @@
 require 'test/unit'
-require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/hash'
+require File.dirname(__FILE__) + '/../../lib/active_support'
 
 class HashExtTest < Test::Unit::TestCase
   def setup
@@ -165,3 +165,31 @@ class HashExtTest < Test::Unit::TestCase
     assert_equal({ :a => 1, :b => 2, :c => 10 }, { :a => 1, :b => 2 }.reverse_merge({:a => "x", :b => "y", :c => 10}) )
   end
 end
+
+class HashToXmlTest < Test::Unit::TestCase
+  def test_one_level
+    h = { :name => "David", :street => "Paulina" }
+    assert_equal %(<person><street type="string">Paulina</street><name type="string">David</name></person>), h.to_xml(:root => :person)
+  end
+
+  def test_one_level_with_types
+    h = { :name => "David", :street => "Paulina", :age => 26, :moved_on => Date.new(2005, 11, 15) }
+    assert_equal(
+      "<person><street type=\"string\">Paulina</street><name type=\"string\">David</name><age type=\"integer\">26</age><moved-on type=\"date\">2005-11-15</moved-on></person>", 
+      h.to_xml(:root => :person)
+    )
+  end
+
+  def test_one_level_with_nils
+    h = { :name => "David", :street => "Paulina", :age => nil }
+    assert_equal(
+      "<person><street type=\"string\">Paulina</street><name type=\"string\">David</name><age></age></person>", 
+      h.to_xml(:root => :person)
+    )
+  end
+
+  def test_two_levels
+    h = { :name => "David", :address => { :street => "Paulina" } }
+    assert_equal %(<person><address><street type="string">Paulina</street></address><name type="string">David</name></person>), h.to_xml(:root => :person)
+  end
+end
\ No newline at end of file
diff --git a/activesupport/test/inflector_test.rb b/activesupport/test/inflector_test.rb
index c513abc967..d3f4a7727e 100644
--- a/activesupport/test/inflector_test.rb
+++ b/activesupport/test/inflector_test.rb
@@ -187,6 +187,12 @@ class InflectorTest < Test::Unit::TestCase
     "1000" => "1000th",
     "1001" => "1001st"
   }
+  
+  UnderscoresToDashes = {
+    "street"                => "street",
+    "street_address"        => "street-address",
+    "person_street_address" => "person-street-address"
+  }
 
   def test_pluralize_plurals
     assert_equal "plurals", Inflector.pluralize("plurals")
@@ -290,4 +296,10 @@ class InflectorTest < Test::Unit::TestCase
       assert_equal(ordinalized, Inflector.ordinalize(number))
     end
   end
+
+  def test_dasherize
+    UnderscoresToDashes.each do |underscored, dasherized|
+      assert_equal(dasherized, Inflector.dasherize(underscored))
+    end
+  end
 end