public void ReadJson_IfTypeNameIsPresent_ReturnsObjectOfTypeNameType()
{
// Arrange
string typePropertyName = "TheTypeProperty";
string typeName = "TheTypeName";
IDictionary <string, Type> typeMapping = new Dictionary <string, Type>
{
{ typeName, typeof(TypeWithFoo) }
};
JsonConverter product = CreateProductUnderTest(typePropertyName, typeMapping);
string expectedFooValue = "IgnoreFoo";
JObject json = new JObject();
json.Add(typePropertyName, new JValue(typeName));
json.Add("Foo", new JValue(expectedFooValue));
using (JsonReader reader = CreateReader(json))
{
Type objectType = typeof(object);
object existingValue = null;
JsonSerializer serializer = new JsonSerializer();
// Act
object value = product.ReadJson(reader, objectType, existingValue, serializer);
// Assert
Assert.IsType <TypeWithFoo>(value);
TypeWithFoo valueWithFoo = (TypeWithFoo)value;
Assert.Equal(expectedFooValue, valueWithFoo.Foo);
}
}
public void WriteJson_IfTypeIsNotInMapping_DoesNotAddTypeName()
{
// Arrange
string expectedFooValue = "TheFoo";
JsonConverter product = CreateProductUnderTest();
JToken token;
using (JTokenWriter writer = new JTokenWriter())
{
TypeWithFoo value = new TypeWithFoo
{
Foo = expectedFooValue
};
JsonSerializer serializer = new JsonSerializer();
// Act
product.WriteJson(writer, value, serializer);
token = writer.Token;
}
// Assert
string json = GetJson(token);
JObject expectedObject = new JObject();
expectedObject.Add("Foo", expectedFooValue);
string expectedJson = GetJson(expectedObject);
Assert.Equal(expectedJson, json);
}
public void WriteJson_AddsTypeNameToObject()
{
// Arrange
string typePropertyName = "TypeProperty";
string expectedTypeName = "TheTypeName";
string expectedFooValue = "TheFoo";
IDictionary <string, Type> typeMapping = new Dictionary <string, Type>
{
{ expectedTypeName, typeof(TypeWithFoo) }
};
JsonConverter product = CreateProductUnderTest(typePropertyName, typeMapping);
JToken token;
using (JTokenWriter writer = new JTokenWriter())
{
TypeWithFoo value = new TypeWithFoo
{
Foo = expectedFooValue
};
JsonSerializer serializer = new JsonSerializer();
// Act
product.WriteJson(writer, value, serializer);
token = writer.Token;
}
// Assert
string json = GetJson(token);
JObject expectedObject = new JObject();
expectedObject.Add(typePropertyName, new JValue(expectedTypeName));
expectedObject.Add("Foo", expectedFooValue);
string expectedJson = GetJson(expectedObject);
Assert.Equal(expectedJson, json);
}
public void ReadJson_IfTypeNameIsMissing_ReturnsObjectOfObjectType()
{
// Arrange
JsonConverter product = CreateProductUnderTest();
string expectedFooValue = "IgnoreFoo";
JObject json = new JObject();
json.Add("Foo", new JValue(expectedFooValue));
using (JsonReader reader = CreateReader(json))
{
Type objectType = typeof(TypeWithFoo);
object existingValue = null;
JsonSerializer serializer = new JsonSerializer();
// Act
object value = product.ReadJson(reader, objectType, existingValue, serializer);
// Assert
Assert.IsType <TypeWithFoo>(value);
TypeWithFoo valueWithFoo = (TypeWithFoo)value;
Assert.Equal(expectedFooValue, valueWithFoo.Foo);
}
}
public void WriteJson_IfTypeIsNotInMapping_DoesNotAddTypeName()
{
// Arrange
string expectedFooValue = "TheFoo";
JsonConverter product = CreateProductUnderTest();
JToken token;
using (JTokenWriter writer = new JTokenWriter())
{
TypeWithFoo value = new TypeWithFoo
{
Foo = expectedFooValue
};
JsonSerializer serializer = new JsonSerializer();
// Act
product.WriteJson(writer, value, serializer);
token = writer.Token;
}
// Assert
string json = GetJson(token);
JObject expectedObject = new JObject();
expectedObject.Add("Foo", expectedFooValue);
string expectedJson = GetJson(expectedObject);
Assert.Equal(expectedJson, json);
}
public void WriteJson_AddsTypeNameToObject()
{
// Arrange
string typePropertyName = "TypeProperty";
string expectedTypeName = "TheTypeName";
string expectedFooValue = "TheFoo";
IDictionary<string, Type> typeMapping = new Dictionary<string, Type>
{
{ expectedTypeName, typeof(TypeWithFoo) }
};
JsonConverter product = CreateProductUnderTest(typePropertyName, typeMapping);
JToken token;
using (JTokenWriter writer = new JTokenWriter())
{
TypeWithFoo value = new TypeWithFoo
{
Foo = expectedFooValue
};
JsonSerializer serializer = new JsonSerializer();
// Act
product.WriteJson(writer, value, serializer);
token = writer.Token;
}
// Assert
string json = GetJson(token);
JObject expectedObject = new JObject();
expectedObject.Add(typePropertyName, new JValue(expectedTypeName));
expectedObject.Add("Foo", expectedFooValue);
string expectedJson = GetJson(expectedObject);
Assert.Equal(expectedJson, json);
}
