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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
###############################################################################
#
# 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_errback(framework):
f = txaio.create_future()
exception = RuntimeError("it failed")
errors = []
def err(f):
errors.append(f)
txaio.add_callbacks(f, None, err)
try:
raise exception
except:
fail = txaio.create_failure()
txaio.reject(f, fail)
run_once()
assert len(errors) == 1
assert isinstance(errors[0], txaio.IFailedFuture)
assert exception == errors[0].value
assert txaio.failure_traceback(errors[0]) is not None
tb = txaio.failure_format_traceback(errors[0])
assert 'RuntimeError' in tb
assert 'it failed' in tb
assert txaio.failure_message(errors[0]) == 'RuntimeError: it failed'
assert 'it failed' in str(errors[0])
def test_errback_without_except(framework):
'''
Create a failure without an except block
'''
f = txaio.create_future()
exception = RuntimeError("it failed")
errors = []
def err(f):
errors.append(f)
txaio.add_callbacks(f, None, err)
fail = txaio.create_failure(exception)
txaio.reject(f, fail)
run_once()
assert len(errors) == 1
assert isinstance(errors[0], txaio.IFailedFuture)
tb = txaio.failure_format_traceback(errors[0])
assert 'RuntimeError' in tb
assert 'it failed' in tb
assert txaio.failure_message(errors[0]) == 'RuntimeError: it failed'
assert 'it failed' in str(errors[0])
def test_errback_plain_exception(framework):
'''
reject a future with just an Exception
'''
f = txaio.create_future()
exception = RuntimeError("it failed")
errors = []
def err(f):
errors.append(f)
txaio.add_callbacks(f, None, err)
txaio.reject(f, exception)
run_once()
assert len(errors) == 1
assert isinstance(errors[0], txaio.IFailedFuture)
tb = txaio.failure_format_traceback(errors[0])
assert 'RuntimeError' in tb
assert 'it failed' in tb
assert txaio.failure_message(errors[0]) == 'RuntimeError: it failed'
assert 'it failed' in str(errors[0])
def test_errback_illegal_args(framework):
'''
non-Exception/Failures should be rejected
'''
f = txaio.create_future()
try:
txaio.reject(f, object())
assert "should have raised exception."
except RuntimeError:
pass
def test_errback_reject_no_args(framework):
"""
txaio.reject() with no args
"""
f = txaio.create_future()
exception = RuntimeError("it failed")
errors = []
def err(f):
errors.append(f)
txaio.add_callbacks(f, None, err)
try:
raise exception
except:
txaio.reject(f)
run_once()
assert len(errors) == 1
assert isinstance(errors[0], txaio.IFailedFuture)
assert exception == errors[0].value
tb = txaio.failure_format_traceback(errors[0])
assert 'RuntimeError' in tb
assert 'it failed' in tb
assert txaio.failure_message(errors[0]) == 'RuntimeError: it failed'
assert 'it failed' in str(errors[0])
def test_immediate_failure(framework):
exception = RuntimeError("it failed")
try:
raise exception
except:
f0 = txaio.create_future_error()
fail = txaio.create_failure()
errors = []
results = []
f1 = txaio.create_future_error(fail)
def cb(x):
results.append(x)
def errback(f):
errors.append(f)
txaio.add_callbacks(f0, cb, errback)
txaio.add_callbacks(f1, cb, errback)
run_once()
run_once()
run_once()
assert len(results) == 0
assert len(errors) == 2
assert isinstance(errors[0], txaio.IFailedFuture)
assert isinstance(errors[1], txaio.IFailedFuture)
assert errors[0].value == exception
assert errors[1].value == exception
# should be distinct FailedPromise instances
assert id(errors[0]) != id(errors[1])
|
