def test_01_open_csv(self):
# first try a valid csv
sheet = reapplication.open_csv("valid.csv")
assert sheet is not None
headers = sheet.headers()
assert headers == ["", "1234-5678", "2345-6789", "3456-7890"], headers
# now try one that won't parse
with self.assertRaises(reapplication.CsvValidationException):
sheet = reapplication.open_csv("random_binary")
