public void Render_CSV_file_for_post_to_DataCollectionToCsv()
{
var vm = new CsvDumpViewModel {
DataCollections = Builder <CollectionListViewModel> .CreateListOfSize(3).Build()
};
_form["DataCollectionCsv"] = "Get Data Management Plan to CSV";
_form["DataCollectionList"] = "1";
var dataCollection = SetUpDataCollection("GA37493");
_dataCollectionRepository.Get(dataCollection.Id).Returns(dataCollection);
_csvHelper.ExportToCsv(Arg.Any <DataTable>()).Returns("");
_csvHelper.DataCollectionToDataTable(Arg.Any <DataCollection>()).Returns(new DataTable());
_controller.WithCallTo(c => c.DataCollectionToCsv(vm)).ShouldRenderFile("text/csv");
_csvHelper.Received().ExportToCsv(Arg.Any <DataTable>(), Arg.Any <string>());
_csvHelper.Received().DataCollectionToDataTable(Arg.Any <DataCollection>());
const string headerValue = "attachment;filename=Feeding_habits_of_polarbears_2011_DataCollection.csv";
_context.HttpContext.Response.Received().AddHeader(Arg.Any <string>(), Arg.Is <string>(o => o == headerValue));
}