public async Task WhenISendRequest_Then_ReturnResponseOK(string content)
{
//arrange
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
async Task next(HttpContext httpContext) => await httpContext.Response.WriteAsync(content);
var middleware = new SerilogMiddleware(next);
//act
await middleware.Invoke(context);
var response = context.Response;
response.Body.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(response.Body);
var plainTextContent = reader.ReadToEnd();
//assert
response.StatusCode
.Should()
.Be((int)HttpStatusCode.OK);
plainTextContent
.Should()
.NotBeNull()
.And
.Be(content);
}
public void WhenException_Then_ReturnError()
{
//arrange
var message = "Error during test.";
var context = new DefaultHttpContext();
context.Response.Body = new MemoryStream();
Task next(HttpContext httpContext) => throw new Exception(message);
var middleware = new SerilogMiddleware(next);
//act
Func <Task> action = async() => { await middleware.Invoke(context); };
//assert
action.Should()
.Throw <Exception>()
.WithMessage(message);
}