def test_field_to_python_value_is_encoded_string(self):
"""Widget may return encoded string as value for key in POST"""
ff = SelectMultipleFormField()
for i, v in enumerate(self.choices_list):
subset = self.choices_list[0: i]
encoded = encode_list_to_csv(subset)
self.assertEqual(ff.to_python(encoded), sorted(subset))
def test_widget_attrs_max_choices(self):
"""Widget passed max_choices information"""
fake_widget = 'Fake widget'
#
# Case #1: Optional max_choices not sent to widget
#
ff = SelectMultipleFormField()
self.assertTrue(ff.max_choices is None)
self.assertNotIn('data-max-choices', ff.widget_attrs(fake_widget))
#
# Case #2: When set, max_coices passed as data attribute
#
MAX_CHOICES = 3
ff = SelectMultipleFormField(max_choices=MAX_CHOICES)
self.assertEqual(ff.max_choices, MAX_CHOICES)
self.assertEqual(ff.widget_attrs(fake_widget).get(
DEFAULT_MAX_CHOICES_ATTR), str(MAX_CHOICES))
def test_widget_attrs_size(self):
"""Widget passed size info"""
fake_widget = 'Fake widget'
#
# Case #1: Default size 4 not passed to widget
#
ff = SelectMultipleFormField()
self.assertEqual(ff.size, 4)
self.assertNotIn('size', ff.widget_attrs(fake_widget))
#
# Case #2: Any other size passed to widget
#
NON_DEFAULT_SIZE = 8
ff = SelectMultipleFormField(size=NON_DEFAULT_SIZE)
self.assertEqual(ff.size, NON_DEFAULT_SIZE)
self.assertEqual(ff.widget_attrs(fake_widget).get(
'size'), str(NON_DEFAULT_SIZE))
def test_field_to_python_value_is_simple_string(self):
"""Widget may return simple string as value for key in POST"""
ff = SelectMultipleFormField()
simple = self.choices_list[1]
self.assertEqual(ff.to_python(simple), [simple])
def test_field_to_python_value_is_empty_string(self):
"""Widget may return empty string as value for key in POST"""
ff = SelectMultipleFormField()
self.assertEqual(ff.to_python(''), [])
def test_field_to_python_value_is_none(self):
"""Widget may return None as value for missing key in POST"""
ff = SelectMultipleFormField()
self.assertEqual(ff.to_python(None), [])
def test_widget_class(self):
ff = SelectMultipleFormField()
self.assertIsInstance(ff.widget, SelectMultipleField)
def test_instantiation(self):
ff = SelectMultipleFormField()
self.assertIsInstance(ff, fields.Field)
self.assertIsInstance(ff, fields.MultipleChoiceField)
