def test_to_native_no_item_field():
"""
When a ListField has no item-field, to_native should return the data it was given un-processed.
"""
field = ListField()
obj = list(range(5))
data = field.to_native(obj)
assert data == obj
def test_to_native_with_item_field():
"""
When a ListField has an item-field, to_native should return a list of elements resulting from
the application of the item-field's to_native method to each element of the input object list.
"""
field = ListField(DateField(format=ISO_8601))
obj = [date(2000, 1, 1), date(2000, 1, 2)]
data = field.to_native(obj)
assert ["2000-01-01", "2000-01-02"] == data
def test_to_native_no_item_field(self):
"""
When a ListField has no item-field, to_native should return the data it was given
un-processed.
"""
field = ListField()
obj = range(5)
data = field.to_native(obj)
self.assertEqual(obj, data)
def test_to_native_with_item_field(self):
"""
When a ListField has an item-field, to_native should return a list of elements resulting
from the application of the item-field's to_native method to each element of the input
object list.
"""
field = ListField(DateField(format=ISO_8601))
obj = [date(2000, 1, 1), date(2000, 1, 2)]
data = field.to_native(obj)
self.assertEqual(["2000-01-01", "2000-01-02"], data)
