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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
import sys
import threading
import mitogen.core
import testlib
class EmptyTest(testlib.TestCase):
klass = mitogen.core.Latch
def test_is_empty(self):
latch = self.klass()
self.assertTrue(latch.empty())
def test_is_nonempty(self):
latch = self.klass()
latch.put(None)
self.assertTrue(not latch.empty())
def test_closed_is_empty(self):
latch = self.klass()
latch.put(None)
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.empty())
class GetTest(testlib.TestCase):
klass = mitogen.core.Latch
# TODO: test multiple waiters.
def test_empty_noblock(self):
latch = self.klass()
exc = self.assertRaises(mitogen.core.TimeoutError,
lambda: latch.get(block=False))
def test_empty_zero_timeout(self):
latch = self.klass()
exc = self.assertRaises(mitogen.core.TimeoutError,
lambda: latch.get(timeout=0))
def test_nonempty(self):
obj = object()
latch = self.klass()
latch.put(obj)
self.assertEqual(obj, latch.get())
def test_nonempty_noblock(self):
obj = object()
latch = self.klass()
latch.put(obj)
self.assertEqual(obj, latch.get(block=False))
def test_nonempty_zero_timeout(self):
obj = object()
latch = self.klass()
latch.put(obj)
self.assertEqual(obj, latch.get(timeout=0))
class ThreadedGetTest(testlib.TestCase):
klass = mitogen.core.Latch
def setUp(self):
super(ThreadedGetTest, self).setUp()
self.results = []
self.excs = []
self.threads = []
def _worker(self, func):
try:
self.results.append(func())
except Exception:
e = sys.exc_info()[1]
self.results.append(None)
self.excs.append(e)
def start_one(self, func):
thread = threading.Thread(target=self._worker, args=(func,))
thread.start()
self.threads.append(thread)
def join(self):
for th in self.threads:
th.join(3.0)
def test_one_thread(self):
latch = self.klass()
self.start_one(lambda: latch.get(timeout=3.0))
latch.put('test')
self.join()
self.assertEqual(self.results, ['test'])
self.assertEqual(self.excs, [])
def test_five_threads(self):
latch = self.klass()
for x in range(5):
self.start_one(lambda: latch.get(timeout=3.0))
for x in range(5):
latch.put(x)
self.join()
self.assertEqual(sorted(self.results), list(range(5)))
self.assertEqual(self.excs, [])
class PutTest(testlib.TestCase):
klass = mitogen.core.Latch
def test_put(self):
latch = self.klass()
latch.put(None)
self.assertEqual(None, latch.get())
class CloseTest(testlib.TestCase):
klass = mitogen.core.Latch
def test_empty_noblock(self):
latch = self.klass()
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.get(block=False))
def test_empty_zero_timeout(self):
latch = self.klass()
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.get(timeout=0))
def test_nonempty(self):
obj = object()
latch = self.klass()
latch.put(obj)
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.get())
def test_nonempty_noblock(self):
obj = object()
latch = self.klass()
latch.put(obj)
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.get(block=False))
def test_nonempty_zero_timeout(self):
obj = object()
latch = self.klass()
latch.put(obj)
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.get(timeout=0))
def test_put(self):
latch = self.klass()
latch.close()
self.assertRaises(mitogen.core.LatchError,
lambda: latch.put(None))
def test_double_close(self):
latch = self.klass()
latch.close()
latch.close()
class ThreadedCloseTest(testlib.TestCase):
klass = mitogen.core.Latch
def setUp(self):
super(ThreadedCloseTest, self).setUp()
self.results = []
self.excs = []
self.threads = []
def _worker(self, func):
try:
self.results.append(func())
except Exception:
e = sys.exc_info()[1]
self.results.append(None)
self.excs.append(e)
def start_one(self, func):
thread = threading.Thread(target=self._worker, args=(func,))
thread.start()
self.threads.append(thread)
def join(self):
for th in self.threads:
th.join(3.0)
def test_one_thread(self):
latch = self.klass()
self.start_one(lambda: latch.get(timeout=3.0))
latch.close()
self.join()
self.assertEqual(self.results, [None])
for exc in self.excs:
self.assertIsInstance(exc, mitogen.core.LatchError)
def test_five_threads(self):
latch = self.klass()
for x in range(5):
self.start_one(lambda: latch.get(timeout=3.0))
latch.close()
self.join()
self.assertEqual(self.results, [None]*5)
for exc in self.excs:
self.assertIsInstance(exc, mitogen.core.LatchError)
|
