public async Task Post() { //Arrange var entity = new horizontal_datums() { datum_name = "TestPost", datum_abbreviation = "TestAbb" }; //Act var response = await controller.Post(entity); // Assert var okResult = Assert.IsType <OkObjectResult>(response); var result = Assert.IsType <horizontal_datums>(okResult.Value); Assert.Equal("TestPost", result.datum_name); Assert.Equal("TestAbb", result.datum_abbreviation); }