Make the attributes search work the same as for elements

Author: lycilph

RestSharp.Tests/RestSharp.Tests.csproj

@@ -84,6 +84,7 @@
     <Compile Include="OAuthTests.cs" />
     <Compile Include="SampleClasses\EmployeeTracker.cs" />
     <Compile Include="SampleClasses\EnumTest.cs" />
+    <Compile Include="SampleClasses\Goodreads.cs" />
     <Compile Include="SampleClasses\GoogleWeatherWithAttributes.cs" />
     <Compile Include="SampleClasses\Struct.cs" />
     <Compile Include="XmlAttributeDeserializerTests.cs" />
@@ -122,6 +123,9 @@
     <Content Include="SampleData\boolean_from_number.xml">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>
+    <Content Include="SampleData\Goodreads.xml">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
     <Content Include="SampleData\iso8601datetimes.txt">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>

RestSharp.Tests/SampleClasses/Goodreads.cs

@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+
+namespace RestSharp.Tests.SampleClasses
+{
+    public class GoodReadsReviewCollection
+    {
+        public int Start { get; set; }
+        public int End { get; set; }
+        public int Total { get; set; }
+        public List<GoodReadsReview> Reviews { get; set; }
+    }
+
+    public class GoodReadsReview
+    {
+        public string Id { get; set; }
+        public GoodReadsBook Book { get; set; }
+    }
+
+    public class GoodReadsBook
+    {
+        public string Isbn { get; set; }
+    }
+}

RestSharp.Tests/SampleData/Goodreads.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<GoodreadsResponse>
+  <reviews start="1" end="2" total="288">
+    <review>
+      <book id="1208943892">
+        <isbn>0345475836</isbn>
+      </book>
+    </review>
+
+    <review>
+      <Id>1198344567</Id>
+      <book>
+        <isbn>0802775802</isbn>
+      </book>
+    </review>
+  </reviews>
+</GoodreadsResponse>

RestSharp.Tests/XmlDeserializerTests.cs

@@ -546,6 +546,20 @@ public void Can_Deserialize_Google_Weather_Xml()
             Assert.Equal("Sunny", output.weather[0].condition.data);
         }
 
+        [Fact]
+        public void Can_Deserialize_Goodreads_Xml()
+        {
+            var xmlpath = PathFor("Goodreads.xml");
+            var doc = XDocument.Load(xmlpath);
+            var response = new RestResponse { Content = doc.ToString() };
+            var d = new XmlDeserializer();
+            var output = d.Deserialize<GoodReadsReviewCollection>(response);
+
+            Assert.Equal(2, output.Reviews.Count);
+            Assert.Equal("1208943892", output.Reviews[0].Id); // This fails without fixing the XmlDeserializer
+            Assert.Equal("1198344567", output.Reviews[1].Id);
+        }
+
         [Fact]
         public void Can_Deserialize_Boolean_From_Number()
         {

RestSharp/Deserializers/XmlDeserializer.cs

@@ -470,33 +470,33 @@ protected virtual XElement GetElementByName(XElement root, XName name)
 
         protected virtual XAttribute GetAttributeByName(XElement root, XName name)
         {
-            var lowerName = name.LocalName.ToLower().AsNamespaced(name.NamespaceName);
-            var camelName = name.LocalName.ToCamelCase(Culture).AsNamespaced(name.NamespaceName);
+            var lower_name = name.LocalName.ToLower().AsNamespaced(name.NamespaceName);
+            var camel_name = name.LocalName.ToCamelCase(Culture).AsNamespaced(name.NamespaceName);
 
             if (root.Attribute(name) != null)
             {
                 return root.Attribute(name);
             }
 
-            if (root.Attribute(lowerName) != null)
+            if (root.Attribute(lower_name) != null)
             {
-                return root.Attribute(lowerName);
+                return root.Attribute(lower_name);
             }
 
-            if (root.Attribute(camelName) != null)
+            if (root.Attribute(camel_name) != null)
             {
-                return root.Attribute(camelName);
+                return root.Attribute(camel_name);
             }
 
             // try looking for element that matches sanitized property name
-            var element = root.Attributes().FirstOrDefault(d => d.Name.LocalName.RemoveUnderscoresAndDashes() == name.LocalName);
-
-            if (element != null)
-            {
-                return element;
-            }
-
-            return null;
+            return root.Descendants()
+                       .OrderBy(d => d.Ancestors().Count())
+                       .Attributes()
+                       .FirstOrDefault(d => d.Name.LocalName.RemoveUnderscoresAndDashes() == name.LocalName) ??
+                   root.Descendants()
+                       .OrderBy(d => d.Ancestors().Count())
+                       .Attributes()
+                       .FirstOrDefault(d => d.Name.LocalName.RemoveUnderscoresAndDashes() == name.LocalName.ToLower());
         }
     }
 }