public void when_GetDocument_is_called_then_we_should_have_called_the_file_get_once() { using (HttpTest httpTest = new HttpTest()) { httpTest.RespondWith(200, string.Empty); var signhostApiClient = new SignHostApiClient(settings); var document = signhostApiClient.GetDocument("transaction Id", "file Id"); httpTest.ShouldHaveCalled($"{settings.Endpoint}transaction/*/file/*") .WithVerb(HttpMethod.Get) .Times(1); } }