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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Tavendo GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
import txaio
from util import run_once
def test_default_resolve(framework):
f = txaio.create_future()
results = []
def cb(f):
results.append(f)
txaio.add_callbacks(f, cb, None)
txaio.resolve(f)
run_once()
assert len(results) == 1
assert results[0] is None
def test_callback(framework):
f = txaio.create_future()
results = []
def cb(f):
results.append(f)
txaio.add_callbacks(f, cb, None)
txaio.resolve(f, "it worked")
run_once()
assert len(results) == 1
assert results[0] == "it worked"
def test_chained_callback(framework):
"""
Chain two callbacks where the first one alters the value.
"""
calls = []
def callback0(arg):
calls.append(arg)
return arg + " pray I do not alter it futher"
def callback1(arg):
calls.append(arg)
f = txaio.create_future()
txaio.add_callbacks(f, callback0, None)
txaio.add_callbacks(f, callback1, None)
txaio.resolve(f, "the deal")
run_once()
assert len(calls) == 2
assert calls[0] == "the deal"
assert calls[1] == "the deal pray I do not alter it futher"
def test_immediate_result(framework):
f = txaio.create_future_success("it worked")
results = []
def cb(f):
results.append(f)
txaio.add_callbacks(f, cb, None)
run_once()
assert len(results) == 1
assert results[0] == "it worked"
|
