public async Task ErrorDuringSerialization_DoesNotCloseTheBrackets()
{
// Arrange
var expectedOutput = "{\"name\":\"Robert\"";
var outputFormatterContext = GetOutputFormatterContext(
new ModelWithSerializationError(),
typeof(ModelWithSerializationError));
var serializerSettings = JsonSerializerSettingsProvider.CreateSerializerSettings();
var jsonFormatter = new JsonOutputFormatter(serializerSettings, ArrayPool <char> .Shared);
// Act
try
{
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
}
catch (JsonSerializationException serializerException)
{
var expectedException = Assert.IsType <NotImplementedException>(serializerException.InnerException);
Assert.Equal("Property Age has not been implemented", expectedException.Message);
}
// Assert
var body = outputFormatterContext.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task ChangesTo_SerializerSettings_AffectSerialization()
{
// Arrange
var person = new User()
{
FullName = "John", age = 35
};
var outputFormatterContext = GetOutputFormatterContext(person, typeof(User));
var settings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented,
};
var expectedOutput = JsonConvert.SerializeObject(person, settings);
var jsonFormatter = new JsonOutputFormatter(settings, ArrayPool <char> .Shared);
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
var body = outputFormatterContext.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task ChangesTo_DefaultSerializerSettings_TakesEffect()
{
// Arrange
var person = new User()
{
Name = "John", Age = 35
};
var expectedOutput = JsonConvert.SerializeObject(person, new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented
});
var jsonFormatter = new JsonOutputFormatter();
jsonFormatter.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
jsonFormatter.SerializerSettings.Formatting = Formatting.Indented;
var outputFormatterContext = GetOutputFormatterContext(person, typeof(User));
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
var body = outputFormatterContext.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task WriteToStreamAsync_UsesCorrectCharacterEncoding(
string content,
string encodingAsString,
bool isDefaultEncoding)
{
// Arrange
var formatter = new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool <char> .Shared);
var formattedContent = "\"" + content + "\"";
var mediaType = MediaTypeHeaderValue.Parse(string.Format("application/json; charset={0}", encodingAsString));
var encoding = CreateOrGetSupportedEncoding(formatter, encodingAsString, isDefaultEncoding);
var expectedData = encoding.GetBytes(formattedContent);
var body = new MemoryStream();
var actionContext = GetActionContext(mediaType, body);
var outputFormatterContext = new OutputFormatterWriteContext(
actionContext.HttpContext,
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
content)
{
ContentType = new StringSegment(mediaType.ToString()),
};
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.GetEncoding(encodingAsString));
// Assert
var actualData = body.ToArray();
Assert.Equal(expectedData, actualData);
}
public async Task ChangesTo_SerializerSettings_AffectSerialization()
{
// Arrange
var person = new User() { FullName = "John", age = 35 };
var outputFormatterContext = GetOutputFormatterContext(person, typeof(User));
var settings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented,
};
var expectedOutput = JsonConvert.SerializeObject(person, settings);
var jsonFormatter = new JsonOutputFormatter(settings, ArrayPool<char>.Shared);
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
var body = outputFormatterContext.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task ReplaceSerializerSettings_AfterSerialization_TakesEffect()
{
// Arrange
var person = new User()
{
Name = "John", Age = 35
};
var expectedOutput = JsonConvert.SerializeObject(person, new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented
});
var jsonFormatter = new JsonOutputFormatter();
// This will create a serializer - which gets cached.
var outputFormatterContext1 = GetOutputFormatterContext(person, typeof(User));
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext1, Encoding.UTF8);
// This results in a new serializer being created.
jsonFormatter.SerializerSettings = new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented,
};
var outputFormatterContext2 = GetOutputFormatterContext(person, typeof(User));
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext2, Encoding.UTF8);
// Assert
var body = outputFormatterContext2.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task ChangesTo_DefaultSerializerSettings_AfterSerialization_NoEffect()
{
// Arrange
var person = new User()
{
Name = "John", Age = 35
};
var expectedOutput = JsonConvert.SerializeObject(
person,
SerializerSettingsProvider.CreateSerializerSettings());
var jsonFormatter = new JsonOutputFormatter();
// This will create a serializer - which gets cached.
var outputFormatterContext1 = GetOutputFormatterContext(person, typeof(User));
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext1, Encoding.UTF8);
// These changes should have no effect.
jsonFormatter.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
jsonFormatter.SerializerSettings.Formatting = Formatting.Indented;
var outputFormatterContext2 = GetOutputFormatterContext(person, typeof(User));
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext2, Encoding.UTF8);
// Assert
var body = outputFormatterContext2.HttpContext.Response.Body;
Assert.NotNull(body);
body.Position = 0;
var content = new StreamReader(body, Encoding.UTF8).ReadToEnd();
Assert.Equal(expectedOutput, content);
}
public async Task WriteToStreamAsync_RoundTripsJToken()
{
// Arrange
var beforeMessage = "Hello World";
var formatter = new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool <char> .Shared);
var before = new JValue(beforeMessage);
var memStream = new MemoryStream();
var outputFormatterContext = GetOutputFormatterContext(
beforeMessage,
typeof(string),
"application/json; charset=utf-8",
memStream);
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
memStream.Position = 0;
var after = JToken.Load(new JsonTextReader(new StreamReader(memStream)));
var afterMessage = after.ToObject <string>();
Assert.Equal(beforeMessage, afterMessage);
}
public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding) => _jsonOutputFormatter.WriteResponseBodyAsync(context, selectedEncoding);
public async Task WriteToStreamAsync_UsesCorrectCharacterEncoding(
string content,
string encodingAsString,
bool isDefaultEncoding)
{
// Arrange
var formatter = new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool<char>.Shared);
var formattedContent = "\"" + content + "\"";
var mediaType = MediaTypeHeaderValue.Parse(string.Format("application/json; charset={0}", encodingAsString));
var encoding = CreateOrGetSupportedEncoding(formatter, encodingAsString, isDefaultEncoding);
var expectedData = encoding.GetBytes(formattedContent);
var body = new MemoryStream();
var actionContext = GetActionContext(mediaType, body);
var outputFormatterContext = new OutputFormatterWriteContext(
actionContext.HttpContext,
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
content)
{
ContentType = new StringSegment(mediaType.ToString()),
};
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.GetEncoding(encodingAsString));
// Assert
var actualData = body.ToArray();
Assert.Equal(expectedData, actualData);
}
public async Task WriteToStreamAsync_RoundTripsJToken()
{
// Arrange
var beforeMessage = "Hello World";
var formatter = new JsonOutputFormatter(new JsonSerializerSettings(), ArrayPool<char>.Shared);
var before = new JValue(beforeMessage);
var memStream = new MemoryStream();
var outputFormatterContext = GetOutputFormatterContext(
beforeMessage,
typeof(string),
"application/json; charset=utf-8",
memStream);
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext, Encoding.UTF8);
// Assert
memStream.Position = 0;
var after = JToken.Load(new JsonTextReader(new StreamReader(memStream)));
var afterMessage = after.ToObject<string>();
Assert.Equal(beforeMessage, afterMessage);
}