code.grnet.gr Git - pithos-ms-client/blob - trunk/Libraries/Json40r2/Source/Src/Newtonsoft.Json.Tests/Serialization/DynamicTests.cs

   1 #if !(NET35 || NET20)
   2 using System;
   3 using System.Collections;
   4 using System.Collections.Generic;
   5 using System.Dynamic;
   6 using System.Linq;
   7 using System.Linq.Expressions;
   8 using System.Runtime.CompilerServices;
   9 using System.Runtime.Serialization.Formatters;
  10 using System.Text;
  11 using Newtonsoft.Json.Serialization;
  12 using Newtonsoft.Json.Tests.TestObjects;
  13 using Newtonsoft.Json.Utilities;
  14 using NUnit.Framework;
  15
  16 namespace Newtonsoft.Json.Tests.Serialization
  17 {
  18   public class DynamicTests : TestFixtureBase
  19   {
  20     public class DynamicChildObject
  21     {
  22       public string Text { get; set; }
  23       public int Integer { get; set; }
  24     }
  25
  26     public class TestDynamicObject : DynamicObject
  27     {
  28       private readonly Dictionary<string, object> _members;
  29
  30       public int Int;
  31       public DynamicChildObject ChildObject { get; set; }
  32
  33       internal Dictionary<string, object> Members
  34       {
  35         get { return _members; }
  36       }
  37
  38       public TestDynamicObject()
  39       {
  40         _members = new Dictionary<string, object>();
  41       }
  42
  43       public override IEnumerable<string> GetDynamicMemberNames()
  44       {
  45         return _members.Keys.Union(new[] { "Int", "ChildObject" });
  46       }
  47
  48       public override bool TryConvert(ConvertBinder binder, out object result)
  49       {
  50         Type targetType = binder.Type;
  51
  52         if (targetType == typeof(IDictionary<string, object>) ||
  53             targetType == typeof(IDictionary))
  54         {
  55           result = new Dictionary<string, object>(_members);
  56           return true;
  57         }
  58         else
  59         {
  60           return base.TryConvert(binder, out result);
  61         }
  62       }
  63
  64       public override bool TryDeleteMember(DeleteMemberBinder binder)
  65       {
  66         return _members.Remove(binder.Name);
  67       }
  68
  69       public override bool TryGetMember(GetMemberBinder binder, out object result)
  70       {
  71         return _members.TryGetValue(binder.Name, out result);
  72       }
  73
  74       public override bool TrySetMember(SetMemberBinder binder, object value)
  75       {
  76         _members[binder.Name] = value;
  77         return true;
  78       }
  79     }
  80
  81     public class ErrorSettingDynamicObject : DynamicObject
  82     {
  83       public override bool TrySetMember(SetMemberBinder binder, object value)
  84       {
  85         return false;
  86       }
  87     }
  88
  89     [Test]
  90     public void SerializeDynamicObject()
  91     {
  92       TestDynamicObject dynamicObject = new TestDynamicObject();
  93
  94       dynamic d = dynamicObject;
  95       d.Int = 1;
  96       d.Decimal = 99.9d;
  97       d.ChildObject = new DynamicChildObject();
  98
  99       Dictionary<string, object> values = new Dictionary<string, object>();
 100
 101       foreach (string memberName in dynamicObject.GetDynamicMemberNames())
 102       {
 103         object value;
 104         dynamicObject.TryGetMember(memberName, out value);
 105
 106         values.Add(memberName, value);
 107       }
 108
 109       Assert.AreEqual(d.Int, values["Int"]);
 110       Assert.AreEqual(d.Decimal, values["Decimal"]);
 111       Assert.AreEqual(d.ChildObject, values["ChildObject"]);
 112
 113       string json = JsonConvert.SerializeObject(dynamicObject, Formatting.Indented);
 114       Assert.AreEqual(@"{
 115   ""Decimal"": 99.9,
 116   ""Int"": 1,
 117   ""ChildObject"": {
 118     ""Text"": null,
 119     ""Integer"": 0
 120   }
 121 }", json);
 122
 123       TestDynamicObject newDynamicObject = JsonConvert.DeserializeObject<TestDynamicObject>(json);
 124       d = newDynamicObject;
 125
 126       Assert.AreEqual(99.9, d.Decimal);
 127       Assert.AreEqual(1, d.Int);
 128       Assert.AreEqual(dynamicObject.ChildObject.Integer, d.ChildObject.Integer);
 129       Assert.AreEqual(dynamicObject.ChildObject.Text, d.ChildObject.Text);
 130     }
 131
 132     [Test]
 133     public void sdfsdf()
 134     {
 135       ErrorSettingDynamicObject d = JsonConvert.DeserializeObject<ErrorSettingDynamicObject>("{'hi':5}");
 136     }
 137
 138     [Test]
 139     public void SerializeDynamicObjectWithObjectTracking()
 140     {
 141       dynamic o = new ExpandoObject();
 142       o.Text = "Text!";
 143       o.Integer = int.MaxValue;
 144       o.DynamicChildObject = new DynamicChildObject
 145         {
 146           Integer = int.MinValue,
 147           Text = "Child text!"
 148         };
 149
 150       string json = JsonConvert.SerializeObject(o, Formatting.Indented, new JsonSerializerSettings
 151         {
 152           TypeNameHandling = TypeNameHandling.All,
 153           TypeNameAssemblyFormat = FormatterAssemblyStyle.Full
 154         });
 155
 156       Console.WriteLine(json);
 157
 158       string dynamicChildObjectTypeName = ReflectionUtils.GetTypeName(typeof(DynamicChildObject), FormatterAssemblyStyle.Full);
 159       string expandoObjectTypeName = ReflectionUtils.GetTypeName(typeof(ExpandoObject), FormatterAssemblyStyle.Full);
 160
 161       Assert.AreEqual(@"{
 162   ""$type"": """ + expandoObjectTypeName + @""",
 163   ""Text"": ""Text!"",
 164   ""Integer"": 2147483647,
 165   ""DynamicChildObject"": {
 166     ""$type"": """ + dynamicChildObjectTypeName + @""",
 167     ""Text"": ""Child text!"",
 168     ""Integer"": -2147483648
 169   }
 170 }", json);
 171
 172       dynamic n = JsonConvert.DeserializeObject(json, null, new JsonSerializerSettings
 173         {
 174           TypeNameHandling = TypeNameHandling.All,
 175           TypeNameAssemblyFormat = FormatterAssemblyStyle.Full
 176         });
 177
 178       Assert.IsInstanceOfType(typeof(ExpandoObject), n);
 179       Assert.AreEqual("Text!", n.Text);
 180       Assert.AreEqual(int.MaxValue, n.Integer);
 181
 182       Assert.IsInstanceOfType(typeof(DynamicChildObject), n.DynamicChildObject);
 183       Assert.AreEqual("Child text!", n.DynamicChildObject.Text);
 184       Assert.AreEqual(int.MinValue, n.DynamicChildObject.Integer);
 185     }
 186
 187     [Test]
 188     [ExpectedException(typeof(JsonSerializationException), ExpectedMessage = "Unable to find a default constructor to use for type System.Dynamic.DynamicObject.")]
 189     public void NoPublicDefaultConstructor()
 190     {
 191       var settings = new JsonSerializerSettings();
 192       settings.NullValueHandling = NullValueHandling.Ignore;
 193       var json = @"{
 194   ""contributors"": null
 195 }";
 196
 197       JsonConvert.DeserializeObject<DynamicObject>(json, settings);
 198     }
 199
 200     public class DictionaryDynamicObject : DynamicObject
 201     {
 202       public IDictionary<string, object> Values { get; private set; }
 203
 204       protected DictionaryDynamicObject()
 205       {
 206         Values = new Dictionary<string, object>();
 207       }
 208
 209       public override bool TrySetMember(SetMemberBinder binder, object value)
 210       {
 211         Values[binder.Name] = value;
 212         return true;
 213       }
 214     }
 215
 216     [Test]
 217     public void AllowNonPublicDefaultConstructor()
 218     {
 219       var settings = new JsonSerializerSettings();
 220       settings.ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor;
 221
 222       var json = @"{
 223   ""contributors"": null,
 224   ""retweeted"": false,
 225   ""text"": ""Guys SX4 diesel is launched.what are your plans?catch us at #facebook http://bit.ly/dV3H1a #auto #car #maruti #india #delhi"",
 226   ""in_reply_to_user_id_str"": null,
 227   ""retweet_count"": 0,
 228   ""geo"": null,
 229   ""id_str"": ""40678260320768000"",
 230   ""in_reply_to_status_id"": null,
 231   ""source"": ""<a href=\""http://www.tweetdeck.com\"" rel=\""nofollow\"">TweetDeck</a>"",
 232   ""created_at"": ""Thu Feb 24 07:43:47 +0000 2011"",
 233   ""place"": null,
 234   ""coordinates"": null,
 235   ""truncated"": false,
 236   ""favorited"": false,
 237   ""user"": {
 238     ""profile_background_image_url"": ""http://a1.twimg.com/profile_background_images/206944715/twitter_bg.jpg"",
 239     ""url"": ""http://bit.ly/dcFwWC"",
 240     ""screen_name"": ""marutisuzukisx4"",
 241     ""verified"": false,
 242     ""friends_count"": 45,
 243     ""description"": ""This is the Official Maruti Suzuki SX4 Twitter ID! Men are Back - mail us on social (at) sx4bymaruti (dot) com"",
 244     ""follow_request_sent"": null,
 245     ""time_zone"": ""Chennai"",
 246     ""profile_text_color"": ""333333"",
 247     ""location"": ""India"",
 248     ""notifications"": null,
 249     ""profile_sidebar_fill_color"": ""efefef"",
 250     ""id_str"": ""196143889"",
 251     ""contributors_enabled"": false,
 252     ""lang"": ""en"",
 253     ""profile_background_tile"": false,
 254     ""created_at"": ""Tue Sep 28 12:55:15 +0000 2010"",
 255     ""followers_count"": 117,
 256     ""show_all_inline_media"": true,
 257     ""listed_count"": 1,
 258     ""geo_enabled"": true,
 259     ""profile_link_color"": ""009999"",
 260     ""profile_sidebar_border_color"": ""eeeeee"",
 261     ""protected"": false,
 262     ""name"": ""Maruti Suzuki SX4"",
 263     ""statuses_count"": 637,
 264     ""following"": null,
 265     ""profile_use_background_image"": true,
 266     ""profile_image_url"": ""http://a3.twimg.com/profile_images/1170694644/Slide1_normal.JPG"",
 267     ""id"": 196143889,
 268     ""is_translator"": false,
 269     ""utc_offset"": 19800,
 270     ""favourites_count"": 0,
 271     ""profile_background_color"": ""131516""
 272   },
 273   ""in_reply_to_screen_name"": null,
 274   ""id"": 40678260320768000,
 275   ""in_reply_to_status_id_str"": null,
 276   ""in_reply_to_user_id"": null
 277 }";
 278
 279       DictionaryDynamicObject foo = JsonConvert.DeserializeObject<DictionaryDynamicObject>(json, settings);
 280
 281       Assert.AreEqual(false, foo.Values["retweeted"]);
 282     }
 283   }
 284 }
 285 #endif