public async Task DisablesResponseBuffering_IfBufferingFeatureAvailable()
{
// Arrange
var formatter = new StreamOutputFormatter();
var expected = Encoding.UTF8.GetBytes("Test data");
var httpContext = new DefaultHttpContext();
var body = new MemoryStream();
httpContext.Response.Body = body;
var bufferingFeature = new TestBufferingFeature();
httpContext.Features.Set <IHttpBufferingFeature>(bufferingFeature);
var context = new OutputFormatterWriteContext(
httpContext,
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(Stream),
new MemoryStream(expected));
// Act
await formatter.WriteAsync(context);
// Assert
Assert.Equal(expected, body.ToArray());
Assert.True(bufferingFeature.DisableResponseBufferingInvoked);
}
public void CanWriteResult_OnlyActsOnStreams(Type type)
{
// Arrange
var formatter = new StreamOutputFormatter();
var @object = type != null?Activator.CreateInstance(type) : null;
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
@object);
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.False(result);
}
public void CanWriteResult_OnlyActsOnStreams(Type type)
{
// Arrange
var formatter = new StreamOutputFormatter();
var @object = type != null ? Activator.CreateInstance(type) : null;
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
@object);
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.False(result);
}
public void CanWriteResult_OnlyActsOnStreams_IgnoringContentType(Type type, string contentType)
{
// Arrange
var formatter = new StreamOutputFormatter();
var contentTypeHeader = contentType == null ? new StringSegment() : new StringSegment(contentType);
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
new SimplePOCO())
{
ContentType = contentTypeHeader,
};
// Act
var canWrite = formatter.CanWriteResult(context);
// Assert
Assert.False(canWrite);
}
public void CanWriteResult_ReturnsTrue_ForStreams(Type type, string contentType)
{
// Arrange
var formatter = new StreamOutputFormatter();
var contentTypeHeader = new StringSegment(contentType);
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
new MemoryStream())
{
ContentType = contentTypeHeader,
};
// Act
var canWrite = formatter.CanWriteResult(context);
// Assert
Assert.True(canWrite);
}
public void CanWriteResult_OnlyActsOnStreams_IgnoringContentType(Type type, string contentType)
{
// Arrange
var formatter = new StreamOutputFormatter();
var contentTypeHeader = contentType == null ? new StringSegment() : new StringSegment(contentType);
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
new SimplePOCO())
{
ContentType = contentTypeHeader,
};
// Act
var canWrite = formatter.CanWriteResult(context);
// Assert
Assert.False(canWrite);
}
public void CanWriteResult_ReturnsTrue_ForStreams(Type type, string contentType)
{
// Arrange
var formatter = new StreamOutputFormatter();
var contentTypeHeader = new StringSegment(contentType);
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
new MemoryStream())
{
ContentType = contentTypeHeader,
};
// Act
var canWrite = formatter.CanWriteResult(context);
// Assert
Assert.True(canWrite);
}
public async Task DisablesResponseBuffering_IfBufferingFeatureAvailable()
{
// Arrange
var formatter = new StreamOutputFormatter();
var expected = Encoding.UTF8.GetBytes("Test data");
var httpContext = new DefaultHttpContext();
var body = new MemoryStream();
httpContext.Response.Body = body;
var bufferingFeature = new TestBufferingFeature();
httpContext.Features.Set<IHttpBufferingFeature>(bufferingFeature);
var context = new OutputFormatterWriteContext(
httpContext,
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(Stream),
new MemoryStream(expected));
// Act
await formatter.WriteAsync(context);
// Assert
Assert.Equal(expected, body.ToArray());
Assert.True(bufferingFeature.DisableResponseBufferingInvoked);
}
