159 lines
4.9 KiB
Python
159 lines
4.9 KiB
Python
"""
|
|
Tests for stuff in django.utils.datastructures.
|
|
"""
|
|
|
|
import copy
|
|
|
|
from django.test import SimpleTestCase
|
|
from django.utils import six
|
|
from django.utils.datastructures import (
|
|
DictWrapper, ImmutableList, MultiValueDict, MultiValueDictKeyError,
|
|
OrderedSet,
|
|
)
|
|
|
|
|
|
class OrderedSetTests(SimpleTestCase):
|
|
|
|
def test_bool(self):
|
|
# Refs #23664
|
|
s = OrderedSet()
|
|
self.assertFalse(s)
|
|
s.add(1)
|
|
self.assertTrue(s)
|
|
|
|
def test_len(self):
|
|
s = OrderedSet()
|
|
self.assertEqual(len(s), 0)
|
|
s.add(1)
|
|
s.add(2)
|
|
s.add(2)
|
|
self.assertEqual(len(s), 2)
|
|
|
|
|
|
class MultiValueDictTests(SimpleTestCase):
|
|
|
|
def test_multivaluedict(self):
|
|
d = MultiValueDict({'name': ['Adrian', 'Simon'],
|
|
'position': ['Developer']})
|
|
|
|
self.assertEqual(d['name'], 'Simon')
|
|
self.assertEqual(d.get('name'), 'Simon')
|
|
self.assertEqual(d.getlist('name'), ['Adrian', 'Simon'])
|
|
self.assertEqual(
|
|
sorted(six.iteritems(d)),
|
|
[('name', 'Simon'), ('position', 'Developer')]
|
|
)
|
|
|
|
self.assertEqual(
|
|
sorted(six.iterlists(d)),
|
|
[('name', ['Adrian', 'Simon']), ('position', ['Developer'])]
|
|
)
|
|
|
|
with self.assertRaisesMessage(MultiValueDictKeyError, 'lastname'):
|
|
d.__getitem__('lastname')
|
|
|
|
self.assertIsNone(d.get('lastname'))
|
|
self.assertEqual(d.get('lastname', 'nonexistent'), 'nonexistent')
|
|
self.assertEqual(d.getlist('lastname'), [])
|
|
self.assertEqual(d.getlist('doesnotexist', ['Adrian', 'Simon']),
|
|
['Adrian', 'Simon'])
|
|
|
|
d.setlist('lastname', ['Holovaty', 'Willison'])
|
|
self.assertEqual(d.getlist('lastname'), ['Holovaty', 'Willison'])
|
|
self.assertEqual(sorted(six.itervalues(d)),
|
|
['Developer', 'Simon', 'Willison'])
|
|
|
|
def test_appendlist(self):
|
|
d = MultiValueDict()
|
|
d.appendlist('name', 'Adrian')
|
|
d.appendlist('name', 'Simon')
|
|
self.assertEqual(d.getlist('name'), ['Adrian', 'Simon'])
|
|
|
|
def test_copy(self):
|
|
for copy_func in [copy.copy, lambda d: d.copy()]:
|
|
d1 = MultiValueDict({
|
|
"developers": ["Carl", "Fred"]
|
|
})
|
|
self.assertEqual(d1["developers"], "Fred")
|
|
d2 = copy_func(d1)
|
|
d2.update({"developers": "Groucho"})
|
|
self.assertEqual(d2["developers"], "Groucho")
|
|
self.assertEqual(d1["developers"], "Fred")
|
|
|
|
d1 = MultiValueDict({
|
|
"key": [[]]
|
|
})
|
|
self.assertEqual(d1["key"], [])
|
|
d2 = copy_func(d1)
|
|
d2["key"].append("Penguin")
|
|
self.assertEqual(d1["key"], ["Penguin"])
|
|
self.assertEqual(d2["key"], ["Penguin"])
|
|
|
|
def test_dict_translation(self):
|
|
mvd = MultiValueDict({
|
|
'devs': ['Bob', 'Joe'],
|
|
'pm': ['Rory'],
|
|
})
|
|
d = mvd.dict()
|
|
self.assertEqual(sorted(six.iterkeys(d)), sorted(six.iterkeys(mvd)))
|
|
for key in six.iterkeys(mvd):
|
|
self.assertEqual(d[key], mvd[key])
|
|
|
|
self.assertEqual({}, MultiValueDict().dict())
|
|
|
|
def test_getlist_doesnt_mutate(self):
|
|
x = MultiValueDict({'a': ['1', '2'], 'b': ['3']})
|
|
values = x.getlist('a')
|
|
values += x.getlist('b')
|
|
self.assertEqual(x.getlist('a'), ['1', '2'])
|
|
|
|
def test_internal_getlist_does_mutate(self):
|
|
x = MultiValueDict({'a': ['1', '2'], 'b': ['3']})
|
|
values = x._getlist('a')
|
|
values += x._getlist('b')
|
|
self.assertEqual(x._getlist('a'), ['1', '2', '3'])
|
|
|
|
def test_getlist_default(self):
|
|
x = MultiValueDict({'a': [1]})
|
|
MISSING = object()
|
|
values = x.getlist('b', default=MISSING)
|
|
self.assertIs(values, MISSING)
|
|
|
|
def test_getlist_none_empty_values(self):
|
|
x = MultiValueDict({'a': None, 'b': []})
|
|
self.assertIsNone(x.getlist('a'))
|
|
self.assertEqual(x.getlist('b'), [])
|
|
|
|
|
|
class ImmutableListTests(SimpleTestCase):
|
|
|
|
def test_sort(self):
|
|
d = ImmutableList(range(10))
|
|
|
|
# AttributeError: ImmutableList object is immutable.
|
|
with self.assertRaisesMessage(AttributeError, 'ImmutableList object is immutable.'):
|
|
d.sort()
|
|
|
|
self.assertEqual(repr(d), '(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)')
|
|
|
|
def test_custom_warning(self):
|
|
d = ImmutableList(range(10), warning="Object is immutable!")
|
|
|
|
self.assertEqual(d[1], 1)
|
|
|
|
# AttributeError: Object is immutable!
|
|
with self.assertRaisesMessage(AttributeError, 'Object is immutable!'):
|
|
d.__setitem__(1, 'test')
|
|
|
|
|
|
class DictWrapperTests(SimpleTestCase):
|
|
|
|
def test_dictwrapper(self):
|
|
def f(x):
|
|
return "*%s" % x
|
|
d = DictWrapper({'a': 'a'}, f, 'xx_')
|
|
self.assertEqual(
|
|
"Normal: %(a)s. Modified: %(xx_a)s" % d,
|
|
'Normal: a. Modified: *a'
|
|
)
|