public void ConfigureServices(IServiceCollection services)
{
services.AddEntityFramework()
.AddSqlite()
.AddDbContext<DomainModelSqliteContext>();
services.AddEntityFramework()
.AddSqlServer()
.AddDbContext<DomainModelMsSqlServerContext>();
JsonOutputFormatter jsonOutputFormatter = new JsonOutputFormatter
{
SerializerSettings = new JsonSerializerSettings
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
}
};
services.AddMvc(
options =>
{
options.OutputFormatters.Clear();
options.OutputFormatters.Insert(0, jsonOutputFormatter);
}
);
// Use a SQLite database
services.AddScoped<IDataAccessProvider, DataAccessSqliteProvider>();
// Use a MS SQL Server database
//services.AddScoped<IDataAccessProvider, DataAccessMsSqlServerProvider>();
}
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);
// 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);
}
private IHtmlContent SerializeInternal(JsonOutputFormatter jsonOutputFormatter, object value)
{
var stringWriter = new StringWriter(CultureInfo.InvariantCulture);
jsonOutputFormatter.WriteObject(stringWriter, value);
return new HtmlString(stringWriter.ToString());
}
public void Creates_SerializerSettings_ByDefault()
{
// Arrange
// Act
var jsonFormatter = new JsonOutputFormatter();
// Assert
Assert.NotNull(jsonFormatter.SerializerSettings);
}
/// <summary>
/// Initializes a new instance of <see cref="JsonHelper"/> that is backed by <paramref name="jsonOutputFormatter"/>.
/// </summary>
/// <param name="jsonOutputFormatter">The <see cref="JsonOutputFormatter"/> used to serialize JSON.</param>
public JsonHelper(JsonOutputFormatter jsonOutputFormatter)
{
if (jsonOutputFormatter == null)
{
throw new ArgumentNullException(nameof(jsonOutputFormatter));
}
_jsonOutputFormatter = jsonOutputFormatter;
}
/// <inheritdoc />
public IHtmlContent Serialize(object value, JsonSerializerSettings serializerSettings)
{
if (serializerSettings == null)
{
throw new ArgumentNullException(nameof(serializerSettings));
}
var jsonOutputFormatter = new JsonOutputFormatter(serializerSettings);
return SerializeInternal(jsonOutputFormatter, value);
}
// For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc(options =>
{
int position = options
.OutputFormatters.ToList().FindIndex(f => f is JsonOutputFormatter);
var settings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
var formatter = new JsonOutputFormatter { SerializerSettings = settings };
options.OutputFormatters.Insert(position, formatter);
});
}
public async Task WriteToStreamAsync_RoundTripsJToken()
{
// Arrange
var beforeMessage = "Hello World";
var formatter = new JsonOutputFormatter();
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);
// Assert
memStream.Position = 0;
var after = JToken.Load(new JsonTextReader(new StreamReader(memStream)));
var afterMessage = after.ToObject <string>();
Assert.Equal(beforeMessage, afterMessage);
}
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc(options =>
{
options.InputFormatters.Clear();
var jsonOutputFormatter = new JsonOutputFormatter
{
SerializerSettings =
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
DefaultValueHandling = DefaultValueHandling.Ignore,
DateFormatHandling = DateFormatHandling.IsoDateFormat
}
};
options.OutputFormatters.RemoveType<JsonOutputFormatter>();
options.OutputFormatters.Insert(0, jsonOutputFormatter);
});
services.AddScoped<IExampleService, ExampleService>();
services.AddScoped<ExampleFilter>();
}
public async Task CustomSerializerSettingsObject_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 = new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver(),
Formatting = Formatting.Indented
};
var outputFormatterContext = GetOutputFormatterContext(person, typeof(User));
// Act
await jsonFormatter.WriteResponseBodyAsync(outputFormatterContext);
// 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_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);
// 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);
// 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);
// 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);
// 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);
}
private static Encoding CreateOrGetSupportedEncoding(
JsonOutputFormatter formatter,
string encodingAsString,
bool isDefaultEncoding)
{
Encoding encoding = null;
if (isDefaultEncoding)
{
encoding = formatter.SupportedEncodings
.First((e) => e.WebName.Equals(encodingAsString, StringComparison.OrdinalIgnoreCase));
}
else
{
encoding = Encoding.GetEncoding(encodingAsString);
formatter.SupportedEncodings.Add(encoding);
}
return encoding;
}
public async Task WriteToStreamAsync_UsesCorrectCharacterEncoding(
string content,
string encodingAsString,
bool isDefaultEncoding)
{
// Arrange
var formatter = new JsonOutputFormatter();
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 = mediaType,
};
// Act
await formatter.WriteResponseBodyAsync(outputFormatterContext);
// Assert
var actualData = body.ToArray();
Assert.Equal(expectedData, actualData);
}
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);
// 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);
// 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);
}
// For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=398940
public IServiceProvider ConfigureServices(IServiceCollection services)
{
services.AddMvc()
.AddMvcOptions(options => {
var jsonOutputFormatter = new JsonOutputFormatter();
jsonOutputFormatter.SerializerSettings.ContractResolver =
new CamelCasePropertyNamesContractResolver();
options.OutputFormatters.Insert(0, jsonOutputFormatter);
});
var connection = @"Server=(localdb)\v11.0;Database=Pickle;Trusted_Connection=True;";
services.AddEntityFramework()
.AddSqlServer()
.AddDbContext<PickleContext>(o => o.UseSqlServer(connection));
services.AddSignalR(options =>
{
options.Hubs.EnableDetailedErrors = true;
});
var builder = new ContainerBuilder();
builder.RegisterModule(new AutofacModule());
builder.Populate(services);
var container = builder.Build();
return container.ResolveOptional<IServiceProvider>();
}
public async Task WriteToStreamAsync_RoundTripsJToken()
{
// Arrange
var beforeMessage = "Hello World";
var formatter = new JsonOutputFormatter();
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);
// Assert
memStream.Position = 0;
var after = JToken.Load(new JsonTextReader(new StreamReader(memStream)));
var afterMessage = after.ToObject<string>();
Assert.Equal(beforeMessage, afterMessage);
}
