def test_get_prep_value_convert(self):
field = StringListField('testing')
self.assertEqual(field.get_prep_value(["A", "B", "C"]), '["A", "B", "C"]')
with self.assertRaises(ValueError):
field.get_prep_value(5)
def test_to_python_already_done(self):
field = StringListField('testing')
self.assertEqual(field.to_python([]), [])
self.assertEqual(field.to_python(["A", "B", "C"]), ['A', 'B', 'C'])
with self.assertRaises(ValueError):
field.to_python(4)
with self.assertRaises(ValueError):
field.to_python([1, 2, 3])
with self.assertRaises(ValueError):
field.to_python(None)
def test_to_python_already_done(self):
field = StringListField('testing')
self.assertEqual(field.to_python([]), [])
self.assertEqual(field.to_python(["A", "B", "C"]), ['A', 'B', 'C'])
with self.assertRaises(ValueError):
field.to_python(4)
with self.assertRaises(ValueError):
field.to_python([1, 2, 3])
with self.assertRaises(ValueError):
field.to_python(None)
def test_to_python_convert(self):
field = StringListField('testing')
# This that are legitimate to store in the DB
self.assertEqual(field.to_python('[]'), [])
self.assertEqual(field.to_python('["A","B","C"]'), ['A', 'B', 'C'])
# Erroneous values that should never end up in the database
with self.assertRaises(ValueError):
field.to_python('[1,2,3]')
with self.assertRaises(ValueError):
field.to_python('"hello"')
with self.assertRaises(ValueError):
field.to_python('{"hi": "foo"}')
def test_is_string_list(self):
field = StringListField('testing')
self.assertTrue(field.is_string_list([]))
self.assertTrue(field.is_string_list(["hello", "goodbye"]))
self.assertFalse(field.is_string_list("boo"))
self.assertFalse(field.is_string_list(3))
self.assertFalse(field.is_string_list('"A","B"'))
def test_get_prep_value_convert(self):
field = StringListField('testing')
self.assertEqual(field.get_prep_value(["A", "B", "C"]), 'A,B,C')
self.assertEqual(field.get_prep_value(["A", "B,C", "D"]), 'A,"B,C",D')
with self.assertRaises(ValueError):
field.get_prep_value(5)
def test_to_python_convert(self):
field = StringListField('testing')
self.assertEqual(field.to_python(''), [])
self.assertEqual(field.to_python('"A","B","C"'), ['A', 'B', 'C'])