public void CreatePatch() { var mapper = new ApiSalesPersonQuotaHistoryModelMapper(); var model = new ApiSalesPersonQuotaHistoryRequestModel(); model.SetProperties(DateTime.Parse("1/1/1987 12:00:00 AM"), DateTime.Parse("1/1/1987 12:00:00 AM"), Guid.Parse("8420cdcf-d595-ef65-66e7-dff9f98764da"), 1m); JsonPatchDocument <ApiSalesPersonQuotaHistoryRequestModel> patch = mapper.CreatePatch(model); var response = new ApiSalesPersonQuotaHistoryRequestModel(); patch.ApplyTo(response); response.ModifiedDate.Should().Be(DateTime.Parse("1/1/1987 12:00:00 AM")); response.QuotaDate.Should().Be(DateTime.Parse("1/1/1987 12:00:00 AM")); response.Rowguid.Should().Be(Guid.Parse("8420cdcf-d595-ef65-66e7-dff9f98764da")); response.SalesQuota.Should().Be(1m); }