public void CanWriteResult_ReturnsTrueForStringTypes(
object value,
bool useDeclaredTypeAsString,
bool expectedCanWriteResult)
{
// Arrange
var expectedContentType = new StringSegment("application/json");
var formatter = new StringOutputFormatter();
var type = useDeclaredTypeAsString ? typeof(string) : typeof(object);
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
type,
value);
context.ContentType = expectedContentType;
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.Equal(expectedCanWriteResult, result);
Assert.Equal(expectedContentType, context.ContentType);
}
public async Task WriteAsync_DoesNotWriteNullStrings()
{
// Arrange
Encoding encoding = Encoding.UTF8;
var memoryStream = new MemoryStream();
var response = new Mock <HttpResponse>();
response.SetupProperty(o => o.ContentLength);
response.SetupGet(r => r.Body).Returns(memoryStream);
var httpContext = new Mock <HttpContext>();
httpContext.Setup(o => o.Response).Returns(response.Object);
var formatter = new StringOutputFormatter();
var context = new OutputFormatterWriteContext(
httpContext.Object,
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
@object: null);
// Act
await formatter.WriteResponseBodyAsync(context, encoding);
// Assert
Assert.Equal(0, memoryStream.Length);
response.VerifySet(r => r.ContentLength = It.IsAny <long?>(), Times.Never());
}
public void CanWriteResult_DefaultContentType()
{
// Arrange
var formatter = new StringOutputFormatter();
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
"Thisisastring");
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.True(result);
Assert.Equal(new StringSegment("text/plain"), context.ContentType);
}
public void CannotWriteNonStrings(object value)
{
// Arrange
var expectedContentType = new StringSegment("text/plain");
var formatter = new StringOutputFormatter();
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(object),
value);
context.ContentType = new StringSegment("text/plain");
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.False(result);
Assert.Equal(expectedContentType, context.ContentType);
}
public void CanWriteResult_SetsAcceptContentType()
{
// Arrange
var formatter = new StringOutputFormatter();
var expectedContentType = new StringSegment("application/json");
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
"Thisisastring");
context.ContentType = expectedContentType;
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.True(result);
Assert.Equal(expectedContentType, context.ContentType);
}
public void CannotWriteUnsupportedMediaType(string contentType)
{
// Arrange
var formatter = new StringOutputFormatter();
var expectedContentType = new StringSegment(contentType);
var context = new OutputFormatterWriteContext(
new DefaultHttpContext(),
new TestHttpResponseStreamWriterFactory().CreateWriter,
typeof(string),
"Thisisastring");
context.ContentType = new StringSegment(contentType);
// Act
var result = formatter.CanWriteResult(context);
// Assert
Assert.False(result);
Assert.Equal(expectedContentType, context.ContentType);
}