ActiveResource can load array of strings, like serialize :bar, Array

Signed-off-by: rick <technoweenie@gmail.com>
[#1055 state:resolved]

activeresource/lib/active_resource/base.rb

@@ -884,6 +884,7 @@ module ActiveResource
     #
     # ==== Examples
     #   my_attrs = {:name => 'J&J Textiles', :industry => 'Cloth and textiles'}
+    #   my_attrs = {:name => 'Marty', :colors => ["red", "green", "blue"]}
     #
     #   the_supplier = Supplier.find(:first)
     #   the_supplier.name # => 'J&M Textiles'
@@ -906,7 +907,7 @@ module ActiveResource
           case value
             when Array
               resource = find_or_create_resource_for_collection(key)
-              value.map { |attrs| resource.new(attrs) }
+              value.map { |attrs| attrs.is_a?(String) ? attrs.dup : resource.new(attrs) }
             when Hash
               resource = find_or_create_resource_for(key)
               resource.new(value)

activeresource/test/base_test.rb

@@ -46,10 +46,24 @@ class BaseTest < Test::Unit::TestCase
                                            :children => [{:name => 'Natacha'}]},
                                           {:name => 'Milena',
                                            :children => []}]}]}.to_xml(:root => 'customer')
+    # - resource with yaml array of strings; for ActiveRecords using serialize :bar, Array
+    @marty = <<-eof
+      <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+      <person>
+        <id type=\"integer\">5</id>
+        <name>Marty</name>
+        <colors type=\"yaml\">---
+      - \"red\"
+      - \"green\"
+      - \"blue\"
+      </colors>
+      </person>
+    eof
 
     ActiveResource::HttpMock.respond_to do |mock|
       mock.get    "/people/1.xml",                {}, @matz
       mock.get    "/people/2.xml",                {}, @david
+      mock.get    "/people/5.xml",                {}, @marty
       mock.get    "/people/Greg.xml",             {}, @greg
       mock.get    "/people/4.xml",                {'key' => 'value'}, nil, 404
       mock.put    "/people/1.xml",                {}, nil, 204
@@ -851,4 +865,14 @@ class BaseTest < Test::Unit::TestCase
       end
     end
   end
+
+  def test_load_yaml_array
+    assert_nothing_raised do
+      marty = Person.find(5)
+      assert_equal 3, marty.colors.size
+      marty.colors.each do |color|
+        assert_kind_of String, color
+      end
+    end
+  end
 end