File: ContractResolverTests.cs

package info (click to toggle)
mono 4.6.2.7+dfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 778,148 kB
  • ctags: 914,052
  • sloc: cs: 5,779,509; xml: 2,773,713; ansic: 432,645; sh: 14,749; makefile: 12,361; perl: 2,488; python: 1,434; cpp: 849; asm: 531; sql: 95; sed: 16; php: 1
file content (183 lines) | stat: -rw-r--r-- 5,681 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
´╗┐using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
#if !NETFX_CORE
using NUnit.Framework;
#else
using Microsoft.VisualStudio.TestTools.UnitTesting;
using TestFixture = Microsoft.VisualStudio.TestTools.UnitTesting.TestClassAttribute;
using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute;
#endif
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json.Tests.TestObjects;
using System.Reflection;
using Newtonsoft.Json.Utilities;
using System.Globalization;

namespace Newtonsoft.Json.Tests.Serialization
{
  public class DynamicContractResolver : DefaultContractResolver
  {
    private readonly char _startingWithChar;
    public DynamicContractResolver(char startingWithChar)
      : base(false)
    {
      _startingWithChar = startingWithChar;
    }

    protected override IList<JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
    {
      IList<JsonProperty> properties = base.CreateProperties(type, memberSerialization);

      // only serializer properties that start with the specified character
      properties =
        properties.Where(p => p.PropertyName.StartsWith(_startingWithChar.ToString())).ToList();

      return properties;
    }
  }

  public class Book
  {
    public string BookName { get; set; }
    public decimal BookPrice { get; set; }
    public string AuthorName { get; set; }
    public int AuthorAge { get; set; }
    public string AuthorCountry { get; set; }
  }

  public class IPersonContractResolver : DefaultContractResolver
  {
    protected override JsonContract CreateContract(Type objectType)
    {
      if (objectType == typeof(Employee))
        objectType = typeof(IPerson);

      return base.CreateContract(objectType);
    }
  }

  [TestFixture]
  public class ContractResolverTests : TestFixtureBase
  {
    [Test]
    public void ResolveProperties_IgnoreStatic()
    {
      var resolver = new DefaultContractResolver();
      var contract = (JsonObjectContract)resolver.ResolveContract(typeof(NumberFormatInfo));

      Assert.IsFalse(contract.Properties.Any(c => c.PropertyName == "InvariantInfo"));
    }

    [Test]
    public void SerializeInterface()
    {
      Employee employee = new Employee
         {
           BirthDate = new DateTime(1977, 12, 30, 1, 1, 1, DateTimeKind.Utc),
           FirstName = "Maurice",
           LastName = "Moss",
           Department = "IT",
           JobTitle = "Support"
         };

      string iPersonJson = JsonConvert.SerializeObject(employee, Formatting.Indented,
        new JsonSerializerSettings { ContractResolver = new IPersonContractResolver() });

      Assert.AreEqual(@"{
  ""FirstName"": ""Maurice"",
  ""LastName"": ""Moss"",
  ""BirthDate"": ""1977-12-30T01:01:01Z""
}", iPersonJson);
    }

    [Test]
    public void SingleTypeWithMultipleContractResolvers()
    {
      Book book = new Book
                    {
                      BookName = "The Gathering Storm",
                      BookPrice = 16.19m,
                      AuthorName = "Brandon Sanderson",
                      AuthorAge = 34,
                      AuthorCountry = "United States of America"
                    };

      string startingWithA = JsonConvert.SerializeObject(book, Formatting.Indented,
        new JsonSerializerSettings { ContractResolver = new DynamicContractResolver('A') });

      // {
      //   "AuthorName": "Brandon Sanderson",
      //   "AuthorAge": 34,
      //   "AuthorCountry": "United States of America"
      // }

      string startingWithB = JsonConvert.SerializeObject(book, Formatting.Indented,
        new JsonSerializerSettings { ContractResolver = new DynamicContractResolver('B') });

      // {
      //   "BookName": "The Gathering Storm",
      //   "BookPrice": 16.19
      // }

      Assert.AreEqual(@"{
  ""AuthorName"": ""Brandon Sanderson"",
  ""AuthorAge"": 34,
  ""AuthorCountry"": ""United States of America""
}", startingWithA);

      Assert.AreEqual(@"{
  ""BookName"": ""The Gathering Storm"",
  ""BookPrice"": 16.19
}", startingWithB);
    }

#if !NETFX_CORE
    [Test]
    public void SerializeCompilerGeneratedMembers()
    {
      StructTest structTest = new StructTest
        {
          IntField = 1,
          IntProperty = 2,
          StringField = "Field",
          StringProperty = "Property"
        };

      DefaultContractResolver skipCompilerGeneratedResolver = new DefaultContractResolver
      {
        DefaultMembersSearchFlags = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public
      };

      string skipCompilerGeneratedJson = JsonConvert.SerializeObject(structTest, Formatting.Indented,
        new JsonSerializerSettings { ContractResolver = skipCompilerGeneratedResolver });

      Assert.AreEqual(@"{
  ""StringField"": ""Field"",
  ""IntField"": 1,
  ""StringProperty"": ""Property"",
  ""IntProperty"": 2
}", skipCompilerGeneratedJson);

      DefaultContractResolver includeCompilerGeneratedResolver = new DefaultContractResolver
      {
        DefaultMembersSearchFlags = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public,
        SerializeCompilerGeneratedMembers = true
      };

      string includeCompilerGeneratedJson = JsonConvert.SerializeObject(structTest, Formatting.Indented,
        new JsonSerializerSettings { ContractResolver = includeCompilerGeneratedResolver });

      Assert.AreEqual(@"{
  ""StringField"": ""Field"",
  ""IntField"": 1,
  ""<StringProperty>k__BackingField"": ""Property"",
  ""<IntProperty>k__BackingField"": 2,
  ""StringProperty"": ""Property"",
  ""IntProperty"": 2
}", includeCompilerGeneratedJson);
    }
#endif
  }
}