Merge pull request #191 from rsantosdev/dev

Fallback RequestPath for when IHttpRequestFeature.RawTarteg is empty

Author: nblumhardt

src/Serilog.AspNetCore/AspNetCore/RequestLoggingMiddleware.cs

@@ -106,7 +106,18 @@ static double GetElapsedMilliseconds(long start, long stop)
 
         static string GetPath(HttpContext httpContext)
         {
-            return httpContext.Features.Get<IHttpRequestFeature>()?.RawTarget ?? httpContext.Request.Path.ToString();
+            /*
+                In some cases, like when running integration tests with WebApplicationFactory<T>
+                the RawTarget returns an empty string instead of null, in that case we can't use
+                ?? as fallback.
+            */
+            var requestPath = httpContext.Features.Get<IHttpRequestFeature>()?.RawTarget;
+            if (string.IsNullOrEmpty(requestPath))
+            {
+                requestPath = httpContext.Request.Path.ToString();
+            }
+            
+            return requestPath;
         }
     }
 }