C# Serialization.InMemoryTraceWriter类代码示例

        public void DeserializeMissingMember()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            JsonConvert.DeserializeObject<Person>(
                "{'MissingMemberProperty':'!!'}",
                new JsonSerializerSettings
                {
                    TraceWriter = traceWriter
                });

            Assert.AreEqual("Started deserializing Newtonsoft.Json.Tests.TestObjects.Person. Path 'MissingMemberProperty', line 1, position 25.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Could not find member 'MissingMemberProperty' on Newtonsoft.Json.Tests.TestObjects.Person. Path 'MissingMemberProperty', line 1, position 25.", traceWriter.TraceRecords[1].Message);
            Assert.IsTrue(traceWriter.TraceRecords[2].Message.StartsWith("Finished deserializing Newtonsoft.Json.Tests.TestObjects.Person. Path ''"));
        }

        public void DeserializeMissingMemberConstructor()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            string json = @"{
  ""Major"": 1,
  ""Minor"": 2,
  ""Build"": 3,
  ""Revision"": 4,
  ""MajorRevision"": 0,
  ""MinorRevision"": 4,
  ""MissingMemberProperty"": null
}";

            JsonConvert.DeserializeObject<Version>(json, new JsonSerializerSettings
            {
                TraceWriter = traceWriter
            });

            Assert.AreEqual("Deserializing System.Version using a non-default constructor 'Void .ctor(Int32, Int32, Int32, Int32)'. Path 'Major', line 2, position 11.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Could not find member 'MissingMemberProperty' on System.Version. Path 'MissingMemberProperty', line 8, position 32.", traceWriter.TraceRecords[1].Message);
            Assert.IsTrue(traceWriter.TraceRecords[2].Message.StartsWith("Started deserializing System.Version. Path ''"));
            Assert.IsTrue(traceWriter.TraceRecords[3].Message.StartsWith("Finished deserializing System.Version. Path ''"));
        }

        public void DeserializeTypeName()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            string json = @"{
  ""$type"": ""System.Collections.Generic.List`1[[System.Object, mscorlib]], mscorlib"",
  ""$values"": [
    {
      ""$type"": ""System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.String, mscorlib]], mscorlib"",
      ""key!"": ""value!""
    },
    {
      ""$type"": ""System.Version, mscorlib"",
      ""Major"": 1,
      ""Minor"": 2,
      ""Build"": 3,
      ""Revision"": 4,
      ""MajorRevision"": 0,
      ""MinorRevision"": 4
    }
  ]
}";

            JsonConvert.DeserializeObject(json, null, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.All,
                SpecialPropertyHandling = SpecialPropertyHandling.Default,
                TraceWriter = traceWriter
            });

            Assert.AreEqual("Resolved type 'System.Collections.Generic.List`1[[System.Object, mscorlib]], mscorlib' to System.Collections.Generic.List`1[System.Object]. Path '$type', line 2, position 84.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Started deserializing System.Collections.Generic.List`1[System.Object]. Path '$values', line 3, position 15.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual("Resolved type 'System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.String, mscorlib]], mscorlib' to System.Collections.Generic.Dictionary`2[System.String,System.String]. Path '$values[0].$type', line 5, position 120.", traceWriter.TraceRecords[2].Message);
            Assert.AreEqual("Started deserializing System.Collections.Generic.Dictionary`2[System.String,System.String]. Path '$values[0].key!', line 6, position 14.", traceWriter.TraceRecords[3].Message);
            Assert.IsTrue(traceWriter.TraceRecords[4].Message.StartsWith("Finished deserializing System.Collections.Generic.Dictionary`2[System.String,System.String]. Path '$values[0]'"));
            Assert.AreEqual("Resolved type 'System.Version, mscorlib' to System.Version. Path '$values[1].$type', line 9, position 42.", traceWriter.TraceRecords[5].Message);
            Assert.AreEqual("Deserializing System.Version using a non-default constructor 'Void .ctor(Int32, Int32, Int32, Int32)'. Path '$values[1].Major', line 10, position 15.", traceWriter.TraceRecords[6].Message);
            Assert.IsTrue(traceWriter.TraceRecords[7].Message.StartsWith("Started deserializing System.Version. Path '$values[1]'"));
            Assert.IsTrue(traceWriter.TraceRecords[8].Message.StartsWith("Finished deserializing System.Version. Path '$values[1]'"));
            Assert.IsTrue(traceWriter.TraceRecords[9].Message.StartsWith("Finished deserializing System.Collections.Generic.List`1[System.Object]. Path '$values'"));
        }

        public void DeserializeISerializable()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            ExceptionAssert.Throws<SerializationException>(
                "Member 'ClassName' was not found.",
                () =>
                {
                    JsonConvert.DeserializeObject<Exception>(
                        "{}",
                        new JsonSerializerSettings
                        {
                            TraceWriter = traceWriter
                        });
                });

            Assert.IsTrue(traceWriter.TraceRecords[0].Message.StartsWith("Deserializing System.Exception using ISerializable constructor. Path ''"));
            Assert.AreEqual(TraceLevel.Info, traceWriter.TraceRecords[0].Level);
            Assert.AreEqual("Error deserializing System.Exception. Member 'ClassName' was not found. Path '', line 1, position 2.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual(TraceLevel.Error, traceWriter.TraceRecords[1].Level);
        }

        public void SerializeConverter()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            IList<DateTime> d = new List<DateTime>
            {
                new DateTime(2000, 12, 12, 12, 12, 12, DateTimeKind.Utc)
            };

            string json = JsonConvert.SerializeObject(d, Formatting.Indented, new JsonSerializerSettings
            {
                Converters = { new JavaScriptDateTimeConverter() },
                TraceWriter = traceWriter
            });

            Assert.AreEqual("Started serializing System.Collections.Generic.List`1[System.DateTime]. Path ''.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Started serializing System.DateTime with converter Newtonsoft.Json.Converters.JavaScriptDateTimeConverter. Path ''.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual("Finished serializing System.DateTime with converter Newtonsoft.Json.Converters.JavaScriptDateTimeConverter. Path '[0]'.", traceWriter.TraceRecords[2].Message);
            Assert.AreEqual("Finished serializing System.Collections.Generic.List`1[System.DateTime]. Path ''.", traceWriter.TraceRecords[3].Message);
        }

        public void DeserializeConverter()
        {
            string json = @"[new Date(976623132000)]";

            InMemoryTraceWriter traceWriter =
                new InMemoryTraceWriter
                {
                    LevelFilter = TraceLevel.Verbose
                };

            JsonConvert.DeserializeObject<List<DateTime>>(
                json,
                new JsonSerializerSettings
                {
                    Converters = { new JavaScriptDateTimeConverter() },
                    TraceWriter = traceWriter
                });

            Assert.AreEqual("Started deserializing System.Collections.Generic.List`1[System.DateTime]. Path '', line 1, position 1.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Started deserializing System.DateTime with converter Newtonsoft.Json.Converters.JavaScriptDateTimeConverter. Path '[0]', line 1, position 10.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual("Finished deserializing System.DateTime with converter Newtonsoft.Json.Converters.JavaScriptDateTimeConverter. Path '[0]', line 1, position 23.", traceWriter.TraceRecords[2].Message);
            Assert.AreEqual("Finished deserializing System.Collections.Generic.List`1[System.DateTime]. Path '', line 1, position 24.", traceWriter.TraceRecords[3].Message);
        }

        public void DeserializeDictionarysWithPreserveObjectReferences()
        {
            string json = @"{
  ""$id"": ""1"",
  ""other"": {
    ""$id"": ""2"",
    ""blah"": null
  },
  ""self"": {
    ""$ref"": ""1""
  }
}";

            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            JsonConvert.DeserializeObject<PreserveReferencesHandlingTests.CircularDictionary>(json,
                new JsonSerializerSettings
                {
                    PreserveReferencesHandling = PreserveReferencesHandling.All,
                    SpecialPropertyHandling = SpecialPropertyHandling.Default,
                    TraceWriter = traceWriter
                });

            Assert.IsTrue(traceWriter.TraceRecords.Any(r => r.Message == "Read object reference Id '1' for Newtonsoft.Json.Tests.Serialization.PreserveReferencesHandlingTests+CircularDictionary. Path 'other', line 3, position 11."));
            Assert.IsTrue(traceWriter.TraceRecords.Any(r => r.Message == "Read object reference Id '2' for Newtonsoft.Json.Tests.Serialization.PreserveReferencesHandlingTests+CircularDictionary. Path 'other.blah', line 5, position 12."));
            Assert.IsTrue(traceWriter.TraceRecords.Any(r => r.Message.StartsWith("Resolved object reference '1' to Newtonsoft.Json.Tests.Serialization.PreserveReferencesHandlingTests+CircularDictionary. Path 'self'")));
        }

        public void PublicParametizedConstructorWithPropertyNameConflictWithAttribute()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            string json = @"{name:""1""}";

            PublicParametizedConstructorWithPropertyNameConflictWithAttribute c = JsonConvert.DeserializeObject<PublicParametizedConstructorWithPropertyNameConflictWithAttribute>(json, new JsonSerializerSettings
            {
                TraceWriter = traceWriter
            });

            Assert.IsNotNull(c);
            Assert.AreEqual(1, c.Name);

            Assert.AreEqual("Deserializing Newtonsoft.Json.Tests.TestObjects.PublicParametizedConstructorWithPropertyNameConflictWithAttribute using creator with parameters: name. Path 'name', line 1, position 6.", traceWriter.TraceRecords[0].Message);
        }

        public void ErrorDeserializingNested()
        {
            string json = @"{""IntList"":[1, ""two""]}";

            var traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Info
            };

            ExceptionAssert.Throws<Exception>(
                "Could not convert string to integer: two. Path 'IntList[1]', line 1, position 20.",
                () =>
                {
                    JsonConvert.DeserializeObject<TraceTestObject>(
                        json,
                        new JsonSerializerSettings
                        {
                            TraceWriter = traceWriter
                        });
                });

            Assert.AreEqual(3, traceWriter.TraceRecords.Count);

            Assert.AreEqual(TraceLevel.Info, traceWriter.TraceRecords[0].Level);
            Assert.AreEqual("Started deserializing Newtonsoft.Json.Tests.Serialization.TraceTestObject. Path 'IntList', line 1, position 11.", traceWriter.TraceRecords[0].Message);

            Assert.AreEqual(TraceLevel.Info, traceWriter.TraceRecords[1].Level);
            Assert.AreEqual("Started deserializing System.Collections.Generic.IList`1[System.Int32]. Path 'IntList', line 1, position 12.", traceWriter.TraceRecords[1].Message);

            Assert.AreEqual(TraceLevel.Error, traceWriter.TraceRecords[2].Level);
            Assert.AreEqual("Error deserializing System.Collections.Generic.IList`1[System.Int32]. Could not convert string to integer: two. Path 'IntList[1]', line 1, position 20.", traceWriter.TraceRecords[2].Message);
        }

        public void SerializeDictionarysWithPreserveObjectReferences()
        {
            PreserveReferencesHandlingTests.CircularDictionary circularDictionary = new PreserveReferencesHandlingTests.CircularDictionary();
            circularDictionary.Add("other", new PreserveReferencesHandlingTests.CircularDictionary { { "blah", null } });
            circularDictionary.Add("self", circularDictionary);

            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            JsonConvert.SerializeObject(
                circularDictionary,
                Formatting.Indented,
                new JsonSerializerSettings
                {
                    PreserveReferencesHandling = PreserveReferencesHandling.All,
                    TraceWriter = traceWriter
                });

            Assert.IsTrue(traceWriter.TraceRecords.Any(r => r.Message == "Writing object reference Id '1' for Newtonsoft.Json.Tests.Serialization.PreserveReferencesHandlingTests+CircularDictionary. Path ''."));
            Assert.IsTrue(traceWriter.TraceRecords.Any(r => r.Message == "Writing object reference Id '2' for Newtonsoft.Json.Tests.Serialization.PreserveReferencesHandlingTests+CircularDictionary. Path 'other'."));
            Assert.IsTrue(traceWriter.TraceRecords.Any(r => r.Message == "Writing object reference to Id '1' for Newtonsoft.Json.Tests.Serialization.PreserveReferencesHandlingTests+CircularDictionary. Path 'self'."));
        }

        public void ErrorDeserializing()
        {
            string json = @"{""Integer"":""hi""}";

            var traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Info
            };

            ExceptionAssert.Throws<Exception>(
                "Could not convert string to integer: hi. Path 'Integer', line 1, position 15.",
                () =>
                {
                    JsonConvert.DeserializeObject<IntegerTestClass>(
                        json,
                        new JsonSerializerSettings
                        {
                            TraceWriter = traceWriter
                        });
                });

            Assert.AreEqual(2, traceWriter.TraceRecords.Count);

            Assert.AreEqual(TraceLevel.Info, traceWriter.TraceRecords[0].Level);
            Assert.AreEqual("Started deserializing Newtonsoft.Json.Tests.Serialization.IntegerTestClass. Path 'Integer', line 1, position 11.", traceWriter.TraceRecords[0].Message);

            Assert.AreEqual(TraceLevel.Error, traceWriter.TraceRecords[1].Level);
            Assert.AreEqual("Error deserializing Newtonsoft.Json.Tests.Serialization.IntegerTestClass. Could not convert string to integer: hi. Path 'Integer', line 1, position 15.", traceWriter.TraceRecords[1].Message);
        }

        public void Deserialize()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Info
            };

            TraceTestObject o2 = JsonConvert.DeserializeObject<TraceTestObject>(
                @"{
  ""IntList"": [
    1,
    2
  ],
  ""StringArray"": [
    ""1"",
    ""2""
  ],
  ""Version"": {
    ""Major"": 1,
    ""Minor"": 2,
    ""Build"": 3,
    ""Revision"": 4,
    ""MajorRevision"": 0,
    ""MinorRevision"": 4
  },
  ""StringDictionary"": {
    ""1"": ""!"",
    ""Two"": ""!!"",
    ""III"": ""!!!""
  }
}",
                new JsonSerializerSettings
                {
                    TraceWriter = traceWriter
                });

            Assert.AreEqual(2, o2.IntList.Count);
            Assert.AreEqual(2, o2.StringArray.Length);
            Assert.AreEqual(1, o2.Version.Major);
            Assert.AreEqual(2, o2.Version.Minor);
            Assert.AreEqual(3, o2.StringDictionary.Count);

            Assert.AreEqual("Started deserializing Newtonsoft.Json.Tests.Serialization.TraceTestObject. Path 'IntList', line 2, position 13.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Started deserializing System.Collections.Generic.IList`1[System.Int32]. Path 'IntList', line 2, position 15.", traceWriter.TraceRecords[1].Message);
            Assert.IsTrue(traceWriter.TraceRecords[2].Message.StartsWith("Finished deserializing System.Collections.Generic.IList`1[System.Int32]. Path 'IntList'"));
            Assert.AreEqual("Started deserializing System.String[]. Path 'StringArray', line 6, position 19.", traceWriter.TraceRecords[3].Message);
            Assert.IsTrue(traceWriter.TraceRecords[4].Message.StartsWith("Finished deserializing System.String[]. Path 'StringArray'"));
            Assert.AreEqual("Deserializing System.Version using a non-default constructor 'Void .ctor(Int32, Int32, Int32, Int32)'. Path 'Version.Major', line 11, position 13.", traceWriter.TraceRecords[5].Message);
            Assert.IsTrue(traceWriter.TraceRecords[6].Message.StartsWith("Started deserializing System.Version. Path 'Version'"));
            Assert.IsTrue(traceWriter.TraceRecords[7].Message.StartsWith("Finished deserializing System.Version. Path 'Version'"));
            Assert.AreEqual("Started deserializing System.Collections.Generic.IDictionary`2[System.String,System.String]. Path 'StringDictionary.1', line 19, position 9.", traceWriter.TraceRecords[8].Message);
            Assert.IsTrue(traceWriter.TraceRecords[9].Message.StartsWith("Finished deserializing System.Collections.Generic.IDictionary`2[System.String,System.String]. Path 'StringDictionary'"));
            Assert.IsTrue(traceWriter.TraceRecords[10].Message.StartsWith("Finished deserializing Newtonsoft.Json.Tests.Serialization.TraceTestObject. Path ''"));

            Assert.IsFalse(traceWriter.TraceRecords.Any(r => r.Level == TraceLevel.Verbose));
        }

        public void Serialize()
        {
            var traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Info
            };

            string json =
                JsonConvert.SerializeObject(
                    new TraceTestObject
                    {
                        StringArray = new[] { "1", "2" },
                        IntList = new List<int> { 1, 2 },
                        Version = new Version(1, 2, 3, 4),
                        StringDictionary =
                            new Dictionary<string, string>
                            {
                                { "1", "!" },
                                { "Two", "!!" },
                                { "III", "!!!" }
                            }
                    },
                    new JsonSerializerSettings
                    {
                        TraceWriter = traceWriter,
                        Formatting = Formatting.Indented
                    });

            Assert.AreEqual("Started serializing Newtonsoft.Json.Tests.Serialization.TraceTestObject. Path ''.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Started serializing System.Collections.Generic.List`1[System.Int32]. Path 'IntList'.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual("Finished serializing System.Collections.Generic.List`1[System.Int32]. Path 'IntList'.", traceWriter.TraceRecords[2].Message);
            Assert.AreEqual("Started serializing System.String[]. Path 'StringArray'.", traceWriter.TraceRecords[3].Message);
            Assert.AreEqual("Finished serializing System.String[]. Path 'StringArray'.", traceWriter.TraceRecords[4].Message);
            Assert.AreEqual("Started serializing System.Version. Path 'Version'.", traceWriter.TraceRecords[5].Message);
            Assert.AreEqual("Finished serializing System.Version. Path 'Version'.", traceWriter.TraceRecords[6].Message);
            Assert.AreEqual("Started serializing System.Collections.Generic.Dictionary`2[System.String,System.String]. Path 'StringDictionary'.", traceWriter.TraceRecords[7].Message);
            Assert.AreEqual("Finished serializing System.Collections.Generic.Dictionary`2[System.String,System.String]. Path 'StringDictionary'.", traceWriter.TraceRecords[8].Message);
            Assert.AreEqual("Finished serializing Newtonsoft.Json.Tests.Serialization.TraceTestObject. Path ''.", traceWriter.TraceRecords[9].Message);

            Assert.IsFalse(traceWriter.TraceRecords.Any(r => r.Level == TraceLevel.Verbose));
        }

        public void ShouldSerializeTestClass()
        {
            ShouldSerializeTestClass c = new ShouldSerializeTestClass();
            c.Age = 29;
            c.Name = "Jim";
            c._shouldSerializeName = true;

            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            JsonConvert.SerializeObject(c, new JsonSerializerSettings { TraceWriter = traceWriter });

            Assert.AreEqual("ShouldSerialize result for property 'Name' on Newtonsoft.Json.Tests.Serialization.ShouldSerializeTestClass: True. Path ''.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual(TraceLevel.Verbose, traceWriter.TraceRecords[1].Level);

            traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            c._shouldSerializeName = false;

            JsonConvert.SerializeObject(c, new JsonSerializerSettings { TraceWriter = traceWriter });

            Assert.AreEqual("ShouldSerialize result for property 'Name' on Newtonsoft.Json.Tests.Serialization.ShouldSerializeTestClass: False. Path ''.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual(TraceLevel.Verbose, traceWriter.TraceRecords[1].Level);
        }

        public void WriteTypeNameForObjects()
        {
            InMemoryTraceWriter traceWriter = new InMemoryTraceWriter
            {
                LevelFilter = TraceLevel.Verbose
            };

            IList<object> l = new List<object>
            {
                new Dictionary<string, string> { { "key!", "value!" } },
                new Version(1, 2, 3, 4)
            };

            JsonConvert.SerializeObject(l, Formatting.Indented, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.All,
                TraceWriter = traceWriter
            });

            Assert.AreEqual("Started serializing System.Collections.Generic.List`1[System.Object]. Path ''.", traceWriter.TraceRecords[0].Message);
            Assert.AreEqual("Writing type name 'System.Collections.Generic.List`1[[System.Object, mscorlib]], mscorlib' for System.Collections.Generic.List`1[System.Object]. Path ''.", traceWriter.TraceRecords[1].Message);
            Assert.AreEqual("Started serializing System.Collections.Generic.Dictionary`2[System.String,System.String]. Path '$values'.", traceWriter.TraceRecords[2].Message);
            Assert.AreEqual("Writing type name 'System.Collections.Generic.Dictionary`2[[System.String, mscorlib],[System.String, mscorlib]], mscorlib' for System.Collections.Generic.Dictionary`2[System.String,System.String]. Path '$values[0]'.", traceWriter.TraceRecords[3].Message);
            Assert.AreEqual("Finished serializing System.Collections.Generic.Dictionary`2[System.String,System.String]. Path '$values[0]'.", traceWriter.TraceRecords[4].Message);
            Assert.AreEqual("Started serializing System.Version. Path '$values[0]'.", traceWriter.TraceRecords[5].Message);
            Assert.AreEqual("Writing type name 'System.Version, mscorlib' for System.Version. Path '$values[1]'.", traceWriter.TraceRecords[6].Message);
            Assert.AreEqual("Finished serializing System.Version. Path '$values[1]'.", traceWriter.TraceRecords[7].Message);
            Assert.AreEqual("Finished serializing System.Collections.Generic.List`1[System.Object]. Path ''.", traceWriter.TraceRecords[8].Message);
        }