public void Execute_FallsbackToServices_WhenNoJsonFormatterIsProvided()
{
// Arrange
var view = Mock.Of <IView>();
var serviceProvider = new Mock <IServiceProvider>();
serviceProvider
.Setup(p => p.GetService(typeof(JsonOutputFormatter)))
.Returns(new JsonOutputFormatter())
.Verifiable();
var buffer = new MemoryStream();
var result = new JsonViewComponentResult(1);
var viewComponentContext = GetViewComponentContext(view, buffer);
viewComponentContext.ViewContext.HttpContext.RequestServices = serviceProvider.Object;
// Act
result.Execute(viewComponentContext);
buffer.Position = 0;
// Assert
Assert.Equal("1", new StreamReader(buffer).ReadToEnd());
serviceProvider.Verify();
}
public void Execute_UsesSerializerSettingsFromOptions_IfNotProvided()
{
// Arrange
var view = Mock.Of <IView>();
var buffer = new MemoryStream();
var viewComponentContext = GetViewComponentContext(view, buffer);
var result = new JsonViewComponentResult(new { foo = "abcd" });
viewComponentContext.ViewContext.HttpContext.Response.Body = buffer;
// Act
result.Execute(viewComponentContext);
// Assert
Assert.Equal("{\"foo\":\"abcd\"}", Encoding.UTF8.GetString(buffer.ToArray()));
}
public void Execute_SerializesData_UsingSpecifiedFormatter()
{
// Arrange
var view = Mock.Of <IView>();
var buffer = new MemoryStream();
var viewComponentContext = GetViewComponentContext(view, buffer);
var expectedFormatter = new JsonOutputFormatter();
var result = new JsonViewComponentResult(1, expectedFormatter);
// Act
result.Execute(viewComponentContext);
buffer.Position = 0;
// Assert
Assert.Equal(expectedFormatter, result.Formatter);
Assert.Equal("1", new StreamReader(buffer).ReadToEnd());
}
public void Execute_UsesFormatter_WithSpecifiedSerializerSettings()
{
// Arrange
var view = Mock.Of <IView>();
var buffer = new MemoryStream();
var viewComponentContext = GetViewComponentContext(view, buffer);
var serializerSettings = new JsonSerializerSettings();
serializerSettings.Formatting = Formatting.Indented;
var result = new JsonViewComponentResult("abc", serializerSettings);
// Act
result.Execute(viewComponentContext);
// Assert
Assert.Same(serializerSettings, result.Formatter.SerializerSettings);
}
public void Execute_Throws_IfNoFormatterCanBeResolved()
{
// Arrange
var expected = "No service for type 'Microsoft.AspNet.Mvc.JsonOutputFormatter'" +
" has been registered.";
var view = Mock.Of <IView>();
var serviceProvider = new ServiceCollection().BuildServiceProvider();
var buffer = new MemoryStream();
var result = new JsonViewComponentResult(1);
var viewComponentContext = GetViewComponentContext(view, buffer);
viewComponentContext.ViewContext.HttpContext.RequestServices = serviceProvider;
// Act
var ex = Assert.Throws <InvalidOperationException>(() => result.Execute(viewComponentContext));
// Assert
Assert.Equal(expected, ex.Message);
}
public void Execute_UsesSerializer_WithSpecifiedSerializerSettings()
{
// Arrange
var view = Mock.Of <IView>();
var buffer = new MemoryStream();
var viewComponentContext = GetViewComponentContext(view, buffer);
var serializerSettings = new JsonSerializerSettings();
serializerSettings.Formatting = Formatting.Indented;
var result = new JsonViewComponentResult(new { foo = "abcd" }, serializerSettings);
viewComponentContext.ViewContext.HttpContext.Response.Body = buffer;
// Act
result.Execute(viewComponentContext);
// Assert
Assert.Equal(
$"{{{Environment.NewLine} \"foo\": \"abcd\"{Environment.NewLine}}}",
Encoding.UTF8.GetString(buffer.ToArray()));
}