public void GetFileRevisions() { var requestParams = new NameValueCollection { { "Docid", TestData.fileId }, { "TokenId", TestData.access_token } }; var context = new Mock <ControllerContext>(); context.SetupGet(x => x.HttpContext.Request.Form).Returns(requestParams); var controller = new WordController() { ControllerContext = context.Object }; JsonResult result = controller.GetFileRevisions(); Assert.IsNotNull(result.Data); }