mcs/class/System.Runtime.Serialization/Test/System.Runtime.Serialization/DataContractResolverTest.cs

   1 //
   2 // XmlObjectSerializerTest.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //      Ankit Jain <JAnkit@novell.com>
   7 //
   8 // Copyright (C) 2005 Novell, Inc.  http://www.novell.com
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31
  32 using System;
  33 using System.Collections;
  34 using System.Collections.Generic;
  35 using System.Collections.ObjectModel;
  36 using System.Data;
  37 using System.IO;
  38 using System.Net;
  39 using System.Runtime.Serialization;
  40 using System.Text;
  41 using System.Xml;
  42 using System.Xml.Schema;
  43 using System.Xml.Serialization;
  44 using NUnit.Framework;
  45
  46 namespace MonoTests.System.Runtime.Serialization
  47 {
  48         [TestFixture]
  49         public class DataContractResolverTest
  50         {
  51                 [Test]
  52                 public void UseCase1 ()
  53                 {
  54                         var ds = new DataContractSerializer (typeof (Colors), null, 10000, false, false, null, new MyResolver ());
  55                         var sw = new StringWriter ();
  56                         using (var xw = XmlWriter.Create (sw))
  57                                 ds.WriteObject (xw, new ResolvedClass ());
  58
  59                         // xml and xml2 are equivalent in infoset, except for prefixes and position of namespace nodes. So the difference should not matter.
  60                         string xml = @"<?xml version='1.0' encoding='utf-16'?><Colors xmlns:i='http://www.w3.org/2001/XMLSchema-instance' xmlns:d1p1='urn:dummy' i:type='d1p1:ResolvedClass' xmlns='http://schemas.datacontract.org/2004/07/MonoTests.System.Runtime.Serialization'><Baz xmlns='http://schemas.datacontract.org/2004/07/'>c74376f0-5517-4cb7-8a07-35026423f565</Baz></Colors>".Replace ('\'', '"');
  61                         string xml2 = @"<?xml version='1.0' encoding='utf-16'?><Colors xmlns:i='http://www.w3.org/2001/XMLSchema-instance' xmlns:d1p1='urn:dummy' xmlns:d1p2='http://schemas.datacontract.org/2004/07/' i:type='d1p2:ResolvedClass' xmlns='http://schemas.datacontract.org/2004/07/MonoTests.System.Runtime.Serialization'><d1p2:Baz>c74376f0-5517-4cb7-8a07-35026423f565</d1p2:Baz></Colors>".Replace ('\'', '"');
  62                         try {
  63                                 Assert.AreEqual (xml, sw.ToString (), "#1");
  64                         } catch (AssertionException) {
  65                                 Assert.AreEqual (xml2, sw.ToString (), "#2");
  66                         }
  67                         using (var xr = XmlReader.Create (new StringReader (xml)))
  68                                 Assert.AreEqual (typeof (ResolvedClass), ds.ReadObject (xr).GetType (), "#3");
  69                         using (var xr = XmlReader.Create (new StringReader (xml)))
  70                                 Assert.AreEqual (typeof (ResolvedClass), ds.ReadObject (xr).GetType (), "#4");
  71                 }
  72         }
  73
  74         public class MyResolver : DataContractResolver
  75         {
  76                 public override bool TryResolveType (Type type, Type declaredType, DataContractResolver knownTypeResolver, out XmlDictionaryString typeName, out XmlDictionaryString typeNamespace)
  77                 {
  78                         //Console.WriteLine ("TryResolveType: {0} {1}", type, declaredType);
  79                         if (knownTypeResolver.TryResolveType (type, declaredType, null, out typeName, out typeNamespace))
  80                                 return true;
  81                         return SafeResolveType (type, out typeName, out typeNamespace);
  82                 }
  83
  84                 XmlDictionary dic = new XmlDictionary ();
  85
  86                 bool SafeResolveType (Type type, out XmlDictionaryString name, out XmlDictionaryString ns)
  87                 {
  88                         // Console.WriteLine ("SafeResolveType: {0}", type);
  89                         name = dic.Add (type.Name);
  90                         ns = dic.Add (type.Namespace ?? "urn:dummy");
  91                         return true;
  92                 }
  93
  94                 public override Type ResolveName (string typeName, string typeNamespace, Type declaredType, DataContractResolver knownTypeResolver)
  95                 {
  96                         //Console.WriteLine ("ResolveName: {0} {1} {2}", typeName, typeNamespace, declaredType);
  97                         return knownTypeResolver.ResolveName (typeName, typeNamespace, declaredType, null) ?? RecoveringResolveName (typeName, typeNamespace);
  98                 }
  99
 100                 Type RecoveringResolveName (string typeName, string typeNamespace)
 101                 {
 102                         if (typeNamespace == "urn:dummy")
 103                                 return Type.GetType (typeName);
 104                         else
 105                                 return Type.GetType (typeNamespace + '.' + typeName);
 106                 }
 107         }
 108 }
 109
 110 [DataContract]
 111 public class ResolvedClass
 112 {
 113         [DataMember]
 114         public Guid Baz = Guid.Parse ("c74376f0-5517-4cb7-8a07-35026423f565");
 115 }
 116