def test_sort_and_reverse():
dl = DictList(Object("test%d" % (i)) for i in reversed(range(10)))
assert dl[0].id == "test9"
dl.sort()
assert len(dl) == 10
assert dl[0].id == "test0"
assert dl.index("test0") == 0
dl.reverse()
assert dl[0].id == "test9"
assert dl.index("test0") == 9
def test_sort_and_reverse():
dl = DictList(Object("test%d" % (i)) for i in reversed(range(10)))
assert dl[0].id == "test9"
dl.sort()
assert len(dl) == 10
assert dl[0].id == "test0"
assert dl.index("test0") == 0
dl.reverse()
assert dl[0].id == "test9"
assert dl.index("test0") == 9
def test_set():
obj_list = DictList(Object("test%d" % (i)) for i in range(10))
obj_list[4] = Object("testa")
assert obj_list.index("testa") == 4
assert obj_list[4].id == "testa"
obj_list[5:7] = [Object("testb"), Object("testc")]
assert obj_list.index("testb") == 5
assert obj_list[5].id == "testb"
assert obj_list.index("testc") == 6
assert obj_list[6].id == "testc"
# Even if the object is unique, if it is present twice in the new
# list, it should still raise an exception
with pytest.raises(ValueError):
obj_list.__setitem__(slice(5, 7), [Object("testd"), Object("testd")])
def test_set():
obj_list = DictList(Object("test%d" % (i)) for i in range(10))
obj_list[4] = Object("testa")
assert obj_list.index("testa") == 4
assert obj_list[4].id == "testa"
obj_list[5:7] = [Object("testb"), Object("testc")]
assert obj_list.index("testb") == 5
assert obj_list[5].id == "testb"
assert obj_list.index("testc") == 6
assert obj_list[6].id == "testc"
# Even if the object is unique, if it is present twice in the new
# list, it should still raise an exception
with pytest.raises(ValueError):
obj_list.__setitem__(slice(5, 7),
[Object("testd"), Object("testd")])
def test_removal():
obj_list = DictList(Object("test%d" % (i)) for i in range(2, 10))
del obj_list[3]
assert "test5" not in obj_list
assert obj_list.index(obj_list[-1]) == len(obj_list) - 1
assert len(obj_list) == 7
del obj_list[3:5]
assert "test6" not in obj_list
assert "test7" not in obj_list
assert obj_list.index(obj_list[-1]) == len(obj_list) - 1
assert len(obj_list) == 5
removed = obj_list.pop(1)
assert obj_list.index(obj_list[-1]) == len(obj_list) - 1
assert removed.id == "test3"
assert "test3" not in obj_list
assert len(obj_list) == 4
removed = obj_list.pop()
assert removed.id == "test9"
assert removed.id not in obj_list
assert len(obj_list) == 3
def test_removal():
obj_list = DictList(Object("test%d" % (i)) for i in range(2, 10))
del obj_list[3]
assert "test5" not in obj_list
assert obj_list.index(obj_list[-1]) == len(obj_list) - 1
assert len(obj_list) == 7
del obj_list[3:5]
assert "test6" not in obj_list
assert "test7" not in obj_list
assert obj_list.index(obj_list[-1]) == len(obj_list) - 1
assert len(obj_list) == 5
removed = obj_list.pop(1)
assert obj_list.index(obj_list[-1]) == len(obj_list) - 1
assert removed.id == "test3"
assert "test3" not in obj_list
assert len(obj_list) == 4
removed = obj_list.pop()
assert removed.id == "test9"
assert removed.id not in obj_list
assert len(obj_list) == 3
def test_init_copy(dict_list):
obj, test_list = dict_list
test_list.append(Object("test2"))
copied = DictList(test_list)
assert test_list is not copied
assert isinstance(copied, test_list.__class__)
assert len(test_list) == len(copied)
for i, v in enumerate(test_list):
assert test_list[i].id == copied[i].id
assert i == copied.index(v.id)
assert test_list[i] is copied[i]
assert v is copied.get_by_id(v.id)
def test_init_copy(dict_list):
obj, test_list = dict_list
test_list.append(Object("test2"))
copied = DictList(test_list)
assert test_list is not copied
assert isinstance(copied, test_list.__class__)
assert len(test_list) == len(copied)
for i, v in enumerate(test_list):
assert test_list[i].id == copied[i].id
assert i == copied.index(v.id)
assert test_list[i] is copied[i]
assert v is copied.get_by_id(v.id)