mirror of
https://github.com/django/django.git
synced 2024-12-29 12:36:08 +00:00
364 lines
13 KiB
Python
364 lines
13 KiB
Python
"""
|
|
Tests for stuff in django.utils.datastructures.
|
|
"""
|
|
import collections.abc
|
|
import copy
|
|
import pickle
|
|
|
|
from django.test import SimpleTestCase
|
|
from django.utils.datastructures import (
|
|
CaseInsensitiveMapping,
|
|
DictWrapper,
|
|
ImmutableList,
|
|
MultiValueDict,
|
|
MultiValueDictKeyError,
|
|
OrderedSet,
|
|
)
|
|
|
|
|
|
class OrderedSetTests(SimpleTestCase):
|
|
def test_init_with_iterable(self):
|
|
s = OrderedSet([1, 2, 3])
|
|
self.assertEqual(list(s.dict.keys()), [1, 2, 3])
|
|
|
|
def test_remove(self):
|
|
s = OrderedSet()
|
|
self.assertEqual(len(s), 0)
|
|
s.add(1)
|
|
s.add(2)
|
|
s.remove(2)
|
|
self.assertEqual(len(s), 1)
|
|
self.assertNotIn(2, s)
|
|
|
|
def test_discard(self):
|
|
s = OrderedSet()
|
|
self.assertEqual(len(s), 0)
|
|
s.add(1)
|
|
s.discard(2)
|
|
self.assertEqual(len(s), 1)
|
|
|
|
def test_reversed(self):
|
|
s = reversed(OrderedSet([1, 2, 3]))
|
|
self.assertIsInstance(s, collections.abc.Iterator)
|
|
self.assertEqual(list(s), [3, 2, 1])
|
|
|
|
def test_contains(self):
|
|
s = OrderedSet()
|
|
self.assertEqual(len(s), 0)
|
|
s.add(1)
|
|
self.assertIn(1, s)
|
|
|
|
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)
|
|
|
|
def test_repr(self):
|
|
self.assertEqual(repr(OrderedSet()), "OrderedSet()")
|
|
self.assertEqual(repr(OrderedSet([2, 3, 2, 1])), "OrderedSet([2, 3, 1])")
|
|
|
|
|
|
class MultiValueDictTests(SimpleTestCase):
|
|
def test_repr(self):
|
|
d = MultiValueDict({"key": "value"})
|
|
self.assertEqual(repr(d), "<MultiValueDict: {'key': 'value'}>")
|
|
|
|
def test_multivaluedict(self):
|
|
d = MultiValueDict(
|
|
{"name": ["Adrian", "Simon"], "position": ["Developer"], "empty": []}
|
|
)
|
|
self.assertEqual(d["name"], "Simon")
|
|
self.assertEqual(d.get("name"), "Simon")
|
|
self.assertEqual(d.getlist("name"), ["Adrian", "Simon"])
|
|
self.assertEqual(
|
|
list(d.items()),
|
|
[("name", "Simon"), ("position", "Developer"), ("empty", [])],
|
|
)
|
|
self.assertEqual(
|
|
list(d.lists()),
|
|
[("name", ["Adrian", "Simon"]), ("position", ["Developer"]), ("empty", [])],
|
|
)
|
|
with self.assertRaisesMessage(MultiValueDictKeyError, "'lastname'"):
|
|
d.__getitem__("lastname")
|
|
self.assertIsNone(d.get("empty"))
|
|
self.assertEqual(d.get("empty", "nonexistent"), "nonexistent")
|
|
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(list(d.values()), ["Simon", "Developer", [], "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()]:
|
|
with self.subTest(copy_func):
|
|
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_deepcopy(self):
|
|
d1 = MultiValueDict({"a": [[123]]})
|
|
d2 = copy.copy(d1)
|
|
d3 = copy.deepcopy(d1)
|
|
self.assertIs(d1["a"], d2["a"])
|
|
self.assertIsNot(d1["a"], d3["a"])
|
|
|
|
def test_pickle(self):
|
|
x = MultiValueDict({"a": ["1", "2"], "b": ["3"]})
|
|
self.assertEqual(x, pickle.loads(pickle.dumps(x)))
|
|
|
|
def test_dict_translation(self):
|
|
mvd = MultiValueDict(
|
|
{
|
|
"devs": ["Bob", "Joe"],
|
|
"pm": ["Rory"],
|
|
}
|
|
)
|
|
d = mvd.dict()
|
|
self.assertEqual(list(d), list(mvd))
|
|
for key in 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"), [])
|
|
|
|
def test_setitem(self):
|
|
x = MultiValueDict({"a": [1, 2]})
|
|
x["a"] = 3
|
|
self.assertEqual(list(x.lists()), [("a", [3])])
|
|
|
|
def test_setdefault(self):
|
|
x = MultiValueDict({"a": [1, 2]})
|
|
a = x.setdefault("a", 3)
|
|
b = x.setdefault("b", 3)
|
|
self.assertEqual(a, 2)
|
|
self.assertEqual(b, 3)
|
|
self.assertEqual(list(x.lists()), [("a", [1, 2]), ("b", [3])])
|
|
|
|
def test_update_too_many_args(self):
|
|
x = MultiValueDict({"a": []})
|
|
msg = "update expected at most 1 argument, got 2"
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
x.update(1, 2)
|
|
|
|
def test_update_no_args(self):
|
|
x = MultiValueDict({"a": []})
|
|
x.update()
|
|
self.assertEqual(list(x.lists()), [("a", [])])
|
|
|
|
def test_update_dict_arg(self):
|
|
x = MultiValueDict({"a": [1], "b": [2], "c": [3]})
|
|
x.update({"a": 4, "b": 5})
|
|
self.assertEqual(list(x.lists()), [("a", [1, 4]), ("b", [2, 5]), ("c", [3])])
|
|
|
|
def test_update_multivaluedict_arg(self):
|
|
x = MultiValueDict({"a": [1], "b": [2], "c": [3]})
|
|
x.update(MultiValueDict({"a": [4], "b": [5]}))
|
|
self.assertEqual(list(x.lists()), [("a", [1, 4]), ("b", [2, 5]), ("c", [3])])
|
|
|
|
def test_update_kwargs(self):
|
|
x = MultiValueDict({"a": [1], "b": [2], "c": [3]})
|
|
x.update(a=4, b=5)
|
|
self.assertEqual(list(x.lists()), [("a", [1, 4]), ("b", [2, 5]), ("c", [3])])
|
|
|
|
def test_update_with_empty_iterable(self):
|
|
for value in ["", b"", (), [], set(), {}]:
|
|
d = MultiValueDict()
|
|
d.update(value)
|
|
self.assertEqual(d, MultiValueDict())
|
|
|
|
def test_update_with_iterable_of_pairs(self):
|
|
for value in [(("a", 1),), [("a", 1)], {("a", 1)}]:
|
|
d = MultiValueDict()
|
|
d.update(value)
|
|
self.assertEqual(d, MultiValueDict({"a": [1]}))
|
|
|
|
def test_update_raises_correct_exceptions(self):
|
|
# MultiValueDict.update() raises equivalent exceptions to
|
|
# dict.update().
|
|
# Non-iterable values raise TypeError.
|
|
for value in [None, True, False, 123, 123.45]:
|
|
with self.subTest(value), self.assertRaises(TypeError):
|
|
MultiValueDict().update(value)
|
|
# Iterables of objects that cannot be unpacked raise TypeError.
|
|
for value in [b"123", b"abc", (1, 2, 3), [1, 2, 3], {1, 2, 3}]:
|
|
with self.subTest(value), self.assertRaises(TypeError):
|
|
MultiValueDict().update(value)
|
|
# Iterables of unpackable objects with incorrect number of items raise
|
|
# ValueError.
|
|
for value in ["123", "abc", ("a", "b", "c"), ["a", "b", "c"], {"a", "b", "c"}]:
|
|
with self.subTest(value), self.assertRaises(ValueError):
|
|
MultiValueDict().update(value)
|
|
|
|
|
|
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"
|
|
)
|
|
|
|
|
|
class CaseInsensitiveMappingTests(SimpleTestCase):
|
|
def setUp(self):
|
|
self.dict1 = CaseInsensitiveMapping(
|
|
{
|
|
"Accept": "application/json",
|
|
"content-type": "text/html",
|
|
}
|
|
)
|
|
|
|
def test_create_with_invalid_values(self):
|
|
msg = "dictionary update sequence element #1 has length 4; 2 is required"
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
CaseInsensitiveMapping([("Key1", "Val1"), "Key2"])
|
|
|
|
def test_create_with_invalid_key(self):
|
|
msg = "Element key 1 invalid, only strings are allowed"
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
CaseInsensitiveMapping([(1, "2")])
|
|
|
|
def test_list(self):
|
|
self.assertEqual(list(self.dict1), ["Accept", "content-type"])
|
|
|
|
def test_dict(self):
|
|
self.assertEqual(
|
|
dict(self.dict1),
|
|
{"Accept": "application/json", "content-type": "text/html"},
|
|
)
|
|
|
|
def test_repr(self):
|
|
dict1 = CaseInsensitiveMapping({"Accept": "application/json"})
|
|
dict2 = CaseInsensitiveMapping({"content-type": "text/html"})
|
|
self.assertEqual(repr(dict1), repr({"Accept": "application/json"}))
|
|
self.assertEqual(repr(dict2), repr({"content-type": "text/html"}))
|
|
|
|
def test_str(self):
|
|
dict1 = CaseInsensitiveMapping({"Accept": "application/json"})
|
|
dict2 = CaseInsensitiveMapping({"content-type": "text/html"})
|
|
self.assertEqual(str(dict1), str({"Accept": "application/json"}))
|
|
self.assertEqual(str(dict2), str({"content-type": "text/html"}))
|
|
|
|
def test_equal(self):
|
|
self.assertEqual(
|
|
self.dict1, {"Accept": "application/json", "content-type": "text/html"}
|
|
)
|
|
self.assertNotEqual(
|
|
self.dict1, {"accept": "application/jso", "Content-Type": "text/html"}
|
|
)
|
|
self.assertNotEqual(self.dict1, "string")
|
|
|
|
def test_items(self):
|
|
other = {"Accept": "application/json", "content-type": "text/html"}
|
|
self.assertEqual(sorted(self.dict1.items()), sorted(other.items()))
|
|
|
|
def test_copy(self):
|
|
copy = self.dict1.copy()
|
|
self.assertIs(copy, self.dict1)
|
|
self.assertEqual(copy, self.dict1)
|
|
|
|
def test_getitem(self):
|
|
self.assertEqual(self.dict1["Accept"], "application/json")
|
|
self.assertEqual(self.dict1["accept"], "application/json")
|
|
self.assertEqual(self.dict1["aCCept"], "application/json")
|
|
self.assertEqual(self.dict1["content-type"], "text/html")
|
|
self.assertEqual(self.dict1["Content-Type"], "text/html")
|
|
self.assertEqual(self.dict1["Content-type"], "text/html")
|
|
|
|
def test_in(self):
|
|
self.assertIn("Accept", self.dict1)
|
|
self.assertIn("accept", self.dict1)
|
|
self.assertIn("aCCept", self.dict1)
|
|
self.assertIn("content-type", self.dict1)
|
|
self.assertIn("Content-Type", self.dict1)
|
|
|
|
def test_del(self):
|
|
self.assertIn("Accept", self.dict1)
|
|
msg = "'CaseInsensitiveMapping' object does not support item deletion"
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
del self.dict1["Accept"]
|
|
self.assertIn("Accept", self.dict1)
|
|
|
|
def test_set(self):
|
|
self.assertEqual(len(self.dict1), 2)
|
|
msg = "'CaseInsensitiveMapping' object does not support item assignment"
|
|
with self.assertRaisesMessage(TypeError, msg):
|
|
self.dict1["New Key"] = 1
|
|
self.assertEqual(len(self.dict1), 2)
|