public void RecordAndPlayBackNullResponse() { HttpMockServer.Initialize(this.GetType(), TestUtilities.GetCurrentMethodName(), HttpRecorderMode.Record); FakeHttpClient recordClient = CreateClient(new BinaryDataDelegatingHandler(ContentMimeType.Null)); var result = recordClient.DoStuffA().Result; HttpMockServer.Flush(this.CurrentDir); string recordedFilePath = Path.Combine(HttpMockServer.CallerIdentity, TestUtilities.GetCurrentMethodName() + ".json"); Assert.True(File.Exists(recordedFilePath)); HttpMockServer.RecordsDirectory = this.CurrentDir; HttpMockServer.Initialize(this.GetType(), TestUtilities.GetCurrentMethodName(), HttpRecorderMode.Playback); FakeHttpClient playbackClient = CreateClient(new BinaryDataDelegatingHandler(ContentMimeType.Null)); HttpResponseMessage playBackResult = playbackClient.DoStuffA().Result; Assert.NotNull(playBackResult.Content); HttpMockServer.Flush(CurrentDir); }