Added support for checking for a file path results' content type.

Partial implementation of #3.

Author: AlexArchive

TestStack.FluentMVCTesting.Tests/ControllerResultTestTests.cs

@@ -337,6 +337,12 @@ public void Check_for_file_path_result_and_check_file_name()
             _controller.WithCallTo(c => c.EmptyFilePath()).ShouldRenderFilePath(ControllerResultTestController.FileName);
         }
 
+        [Test]
+        public void Check_for_file_path_result_and_check_file_name_and_check_content_type()
+        {
+            _controller.WithCallTo(c => c.EmptyFilePath()).ShouldRenderFilePath(ControllerResultTestController.FileName, ControllerResultTestController.FileContentType);
+        }
+
         #endregion
 
         #region HTTP Status tests

TestStack.FluentMvcTesting/ControllerResultTest.cs

@@ -238,7 +238,7 @@ public FileStreamResult ShouldRenderFileStream(string contentType = null)
             return fileResult;
         }
 
-        public FilePathResult ShouldRenderFilePath(string fileName = null)
+        public FilePathResult ShouldRenderFilePath(string fileName = null, string contentType = null)
         {
             ValidateActionReturnType<FilePathResult>();
 
@@ -249,6 +249,11 @@ public FilePathResult ShouldRenderFilePath(string fileName = null)
                 throw new ActionResultAssertionException(string.Format("Expected file name to be '{0}', but instead was given '{1}'.", fileName, fileResult.FileName));
             }
 
+            if (contentType != null && fileResult.ContentType != contentType)
+            {
+                throw new ActionResultAssertionException(string.Format("Expected file to be of content type '{0}', but instead was given '{1}'.", contentType, fileResult.ContentType));
+            }
+
             return fileResult;
         }