-
Notifications
You must be signed in to change notification settings - Fork 54
/
test_forkedfunc.py
173 lines (141 loc) · 4.5 KB
/
test_forkedfunc.py
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
import pytest
import py, sys, os
pytestmark = py.test.mark.skipif("not hasattr(os, 'fork')")
def test_waitfinish_removes_tempdir():
ff = py.process.ForkedFunc(boxf1)
assert ff.tempdir.check()
ff.waitfinish()
assert not ff.tempdir.check()
def test_tempdir_gets_gc_collected(monkeypatch):
monkeypatch.setattr(os, 'fork', lambda: os.getpid())
ff = py.process.ForkedFunc(boxf1)
assert ff.tempdir.check()
ff.__del__()
assert not ff.tempdir.check()
def test_basic_forkedfunc():
result = py.process.ForkedFunc(boxf1).waitfinish()
assert result.out == "some out\n"
assert result.err == "some err\n"
assert result.exitstatus == 0
assert result.signal == 0
assert result.retval == 1
def test_exitstatus():
def func():
os._exit(4)
result = py.process.ForkedFunc(func).waitfinish()
assert result.exitstatus == 4
assert result.signal == 0
assert not result.out
assert not result.err
def test_execption_in_func():
def fun():
raise ValueError(42)
ff = py.process.ForkedFunc(fun)
result = ff.waitfinish()
assert result.exitstatus == ff.EXITSTATUS_EXCEPTION
assert result.err.find("ValueError: 42") != -1
assert result.signal == 0
assert not result.retval
def test_forkedfunc_on_fds():
result = py.process.ForkedFunc(boxf2).waitfinish()
assert result.out == "someout"
assert result.err == "someerr"
assert result.exitstatus == 0
assert result.signal == 0
assert result.retval == 2
def test_forkedfunc_on_fds_output():
result = py.process.ForkedFunc(boxf3).waitfinish()
assert result.signal == 11
assert result.out == "s"
def test_forkedfunc_on_stdout():
def boxf3():
import sys
sys.stdout.write("hello\n")
os.kill(os.getpid(), 11)
result = py.process.ForkedFunc(boxf3).waitfinish()
assert result.signal == 11
assert result.out == "hello\n"
def test_forkedfunc_signal():
result = py.process.ForkedFunc(boxseg).waitfinish()
assert result.retval is None
assert result.signal == 11
def test_forkedfunc_huge_data():
result = py.process.ForkedFunc(boxhuge).waitfinish()
assert result.out
assert result.exitstatus == 0
assert result.signal == 0
assert result.retval == 3
def test_box_seq():
# we run many boxes with huge data, just one after another
for i in range(50):
result = py.process.ForkedFunc(boxhuge).waitfinish()
assert result.out
assert result.exitstatus == 0
assert result.signal == 0
assert result.retval == 3
def test_box_in_a_box():
def boxfun():
result = py.process.ForkedFunc(boxf2).waitfinish()
print (result.out)
sys.stderr.write(result.err + "\n")
return result.retval
result = py.process.ForkedFunc(boxfun).waitfinish()
assert result.out == "someout\n"
assert result.err == "someerr\n"
assert result.exitstatus == 0
assert result.signal == 0
assert result.retval == 2
def test_kill_func_forked():
class A:
pass
info = A()
import time
def box_fun():
time.sleep(10) # we don't want to last forever here
ff = py.process.ForkedFunc(box_fun)
os.kill(ff.pid, 15)
result = ff.waitfinish()
assert result.signal == 15
def test_hooks(monkeypatch):
def _boxed():
return 1
def _on_start():
sys.stdout.write("some out\n")
sys.stdout.flush()
def _on_exit():
sys.stderr.write("some err\n")
sys.stderr.flush()
result = py.process.ForkedFunc(_boxed, child_on_start=_on_start,
child_on_exit=_on_exit).waitfinish()
assert result.out == "some out\n"
assert result.err == "some err\n"
assert result.exitstatus == 0
assert result.signal == 0
assert result.retval == 1
# ======================================================================
# examples
# ======================================================================
#
def boxf1():
sys.stdout.write("some out\n")
sys.stderr.write("some err\n")
return 1
def boxf2():
os.write(1, "someout".encode('ascii'))
os.write(2, "someerr".encode('ascii'))
return 2
def boxf3():
os.write(1, "s".encode('ascii'))
os.kill(os.getpid(), 11)
def boxseg():
os.kill(os.getpid(), 11)
def boxhuge():
s = " ".encode('ascii')
os.write(1, s * 10000)
os.write(2, s * 10000)
os.write(1, s * 10000)
os.write(1, s * 10000)
os.write(2, s * 10000)
os.write(2, s * 10000)
os.write(1, s * 10000)
return 3