def testCsvTuplePrinterMustCloseTheOutputFileWhenCommanded(self):
csv_tuple_printer = CsvTuplePrinter()
output_file = Mock()
csv_tuple_printer.output_file = output_file
csv_tuple_printer.close()
output_file.close.assert_called()
def testCsvTuplePrinterMustRecieveOneTupleAndPrintItToTheOutputFile(self):
csv_tuple_printer = CsvTuplePrinter()
output_file = Mock()
csv_tuple_printer.output_file = output_file
a_tuple = ("field1", "field2", 0)
csv_tuple_printer.put(a_tuple)
stringified_tuple = str(a_tuple[0]) + "," + str(a_tuple[1]) + "," + str(a_tuple[2]) + "\n"
output_file.write.assert_called_with(stringified_tuple)
def testCsvTuplePrinterMustCreateTheOutputFileWhenCommanded(self):
file_name = "/tmp/tmp-output-file.csv"
shutil.rmtree(file_name, ignore_errors=True) # I make shure the file doesn't exists prevously
csv_tuple_printer = CsvTuplePrinter()
csv_tuple_printer.open(file_name)
csv_tuple_printer.close()
self.assertTrue(os.path.exists(file_name))
shutil.rmtree(file_name, ignore_errors=True)
def download(request, idcourse):
if(len(request.user.teacher_set.all()) > 0): # if an authenticated user "accidentally" access this section, he doesn't get an exception
course = Course.objects.get(pk=idcourse)
db_data_extractor = DbDeliveriesExtractor()
db_data_extractor.course = course
data = db_data_extractor.get_data()
csv_tuple_printer = CsvTuplePrinter()
output_file_name = get_output_file_name(course.name)
csv_tuple_printer.open(output_file_name)
for line in data:
csv_tuple_printer.put(line)
csv_tuple_printer.close()
file = open(output_file_name)
response = HttpResponse(file, content_type=TYPECSV)
response['Content-Disposition'] = 'attachment; filename=%s' % output_file_name
return response
else:
return HTTP_401_UNAUTHORIZED_RESPONSE