def test_dict_translation(self):
mvd = MultiValueDict({
'devs': ['Bob', 'Joe'],
'pm': ['Rory'],
})
d = mvd.dict()
self.assertEqual(sorted(d), sorted(mvd))
for key in mvd:
self.assertEqual(d[key], mvd[key])
self.assertEqual({}, MultiValueDict().dict())
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_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(d.items()), [('name', 'Simon'),
('position', 'Developer')])
self.assertEqual(sorted(d.lists()), [('name', ['Adrian', 'Simon']),
('position', ['Developer'])])
with self.assertRaises(MultiValueDictKeyError) as cm:
d.__getitem__('lastname')
self.assertEqual(str(cm.exception), "'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(d.values()),
['Developer', 'Simon', 'Willison'])
def test_multivaluedict(self):
result = urlencode(MultiValueDict({
'name': ['Adrian', 'Simon'],
'position': ['Developer'],
}),
doseq=True)
# MultiValueDicts are similarly unordered.
self.assertIn(result, [
'name=Adrian&name=Simon&position=Developer',
'position=Developer&name=Adrian&name=Simon',
])
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_appendlist(self):
d = MultiValueDict()
d.appendlist('name', 'Adrian')
d.appendlist('name', 'Simon')
self.assertEqual(d.getlist('name'), ['Adrian', 'Simon'])
def test_getlist_none_empty_values(self):
x = MultiValueDict({'a': None, 'b': []})
self.assertIsNone(x.getlist('a'))
self.assertEqual(x.getlist('b'), [])
def test_getlist_default(self):
x = MultiValueDict({'a': [1]})
MISSING = object()
values = x.getlist('b', default=MISSING)
self.assertIs(values, MISSING)