1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
from pytest import raises
from promise import Promise
from promise.promise_list import PromiseList
def all(promises):
return PromiseList(promises, Promise).promise
def test_empty_promises():
all_promises = all([])
assert all_promises.get() == []
def test_bad_promises():
all_promises = all(None)
with raises(Exception) as exc_info:
all_promises.get()
assert str(exc_info.value) == "PromiseList requires an iterable. Received None."
def test_promise_basic():
all_promises = all([1, 2])
assert all_promises.get() == [1, 2]
def test_promise_mixed():
all_promises = all([1, 2, Promise.resolve(3)])
assert all_promises.get() == [1, 2, 3]
def test_promise_rejected():
e = Exception("Error")
all_promises = all([1, 2, Promise.reject(e)])
with raises(Exception) as exc_info:
all_promises.get()
assert str(exc_info.value) == "Error"
def test_promise_reject_skip_all_other_values():
e1 = Exception("Error1")
e2 = Exception("Error2")
p = Promise()
all_promises = all([1, Promise.reject(e1), Promise.reject(e2)])
with raises(Exception) as exc_info:
all_promises.get()
assert str(exc_info.value) == "Error1"
def test_promise_lazy_promise():
p = Promise()
all_promises = all([1, 2, p])
assert not all_promises.is_fulfilled
p.do_resolve(3)
assert all_promises.get() == [1, 2, 3]
def test_promise_contained_promise():
p = Promise()
all_promises = all([1, 2, Promise.resolve(None).then(lambda v: p)])
assert not all_promises.is_fulfilled
p.do_resolve(3)
assert all_promises.get() == [1, 2, 3]
|
