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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Tests Face interface compliance of the gRPC Python Beta API."""
import threading
import unittest
from grpc.beta import implementations
from grpc.beta import interfaces
from grpc.framework.common import cardinality
from grpc.framework.interfaces.face import utilities
from grpc_test import resources
from grpc_test.beta import test_utilities
from grpc_test.framework.common import test_constants
_SERVER_HOST_OVERRIDE = 'foo.test.google.fr'
_GROUP = 'group'
_UNARY_UNARY = 'unary-unary'
_UNARY_STREAM = 'unary-stream'
_STREAM_UNARY = 'stream-unary'
_STREAM_STREAM = 'stream-stream'
_REQUEST = b'abc'
_RESPONSE = b'123'
class _Servicer(object):
def __init__(self):
self._condition = threading.Condition()
self._peer = None
self._serviced = False
def unary_unary(self, request, context):
with self._condition:
self._request = request
self._peer = context.protocol_context().peer()
context.protocol_context().disable_next_response_compression()
self._serviced = True
self._condition.notify_all()
return _RESPONSE
def unary_stream(self, request, context):
with self._condition:
self._request = request
self._peer = context.protocol_context().peer()
context.protocol_context().disable_next_response_compression()
self._serviced = True
self._condition.notify_all()
return
yield
def stream_unary(self, request_iterator, context):
for request in request_iterator:
self._request = request
with self._condition:
self._peer = context.protocol_context().peer()
context.protocol_context().disable_next_response_compression()
self._serviced = True
self._condition.notify_all()
return _RESPONSE
def stream_stream(self, request_iterator, context):
for request in request_iterator:
with self._condition:
self._peer = context.protocol_context().peer()
context.protocol_context().disable_next_response_compression()
yield _RESPONSE
with self._condition:
self._serviced = True
self._condition.notify_all()
def peer(self):
with self._condition:
return self._peer
def block_until_serviced(self):
with self._condition:
while not self._serviced:
self._condition.wait()
class _BlockingIterator(object):
def __init__(self, upstream):
self._condition = threading.Condition()
self._upstream = upstream
self._allowed = []
def __iter__(self):
return self
def next(self):
with self._condition:
while True:
if self._allowed is None:
raise StopIteration()
elif self._allowed:
return self._allowed.pop(0)
else:
self._condition.wait()
def allow(self):
with self._condition:
try:
self._allowed.append(next(self._upstream))
except StopIteration:
self._allowed = None
self._condition.notify_all()
class BetaFeaturesTest(unittest.TestCase):
def setUp(self):
self._servicer = _Servicer()
method_implementations = {
(_GROUP, _UNARY_UNARY):
utilities.unary_unary_inline(self._servicer.unary_unary),
(_GROUP, _UNARY_STREAM):
utilities.unary_stream_inline(self._servicer.unary_stream),
(_GROUP, _STREAM_UNARY):
utilities.stream_unary_inline(self._servicer.stream_unary),
(_GROUP, _STREAM_STREAM):
utilities.stream_stream_inline(self._servicer.stream_stream),
}
cardinalities = {
_UNARY_UNARY: cardinality.Cardinality.UNARY_UNARY,
_UNARY_STREAM: cardinality.Cardinality.UNARY_STREAM,
_STREAM_UNARY: cardinality.Cardinality.STREAM_UNARY,
_STREAM_STREAM: cardinality.Cardinality.STREAM_STREAM,
}
server_options = implementations.server_options(
thread_pool_size=test_constants.POOL_SIZE)
self._server = implementations.server(
method_implementations, options=server_options)
server_credentials = implementations.ssl_server_credentials(
[(resources.private_key(), resources.certificate_chain(),),])
port = self._server.add_secure_port('[::]:0', server_credentials)
self._server.start()
self._client_credentials = implementations.ssl_client_credentials(
resources.test_root_certificates(), None, None)
channel = test_utilities.not_really_secure_channel(
'localhost', port, self._client_credentials, _SERVER_HOST_OVERRIDE)
stub_options = implementations.stub_options(
thread_pool_size=test_constants.POOL_SIZE)
self._dynamic_stub = implementations.dynamic_stub(
channel, _GROUP, cardinalities, options=stub_options)
def tearDown(self):
self._dynamic_stub = None
self._server.stop(test_constants.SHORT_TIMEOUT).wait()
def test_unary_unary(self):
call_options = interfaces.grpc_call_options(
disable_compression=True, credentials=self._client_credentials)
response = getattr(self._dynamic_stub, _UNARY_UNARY)(
_REQUEST, test_constants.LONG_TIMEOUT, protocol_options=call_options)
self.assertEqual(_RESPONSE, response)
self.assertIsNotNone(self._servicer.peer())
def test_unary_stream(self):
call_options = interfaces.grpc_call_options(
disable_compression=True, credentials=self._client_credentials)
response_iterator = getattr(self._dynamic_stub, _UNARY_STREAM)(
_REQUEST, test_constants.LONG_TIMEOUT, protocol_options=call_options)
self._servicer.block_until_serviced()
self.assertIsNotNone(self._servicer.peer())
def test_stream_unary(self):
call_options = interfaces.grpc_call_options(
credentials=self._client_credentials)
request_iterator = _BlockingIterator(iter((_REQUEST,)))
response_future = getattr(self._dynamic_stub, _STREAM_UNARY).future(
request_iterator, test_constants.LONG_TIMEOUT,
protocol_options=call_options)
response_future.protocol_context().disable_next_request_compression()
request_iterator.allow()
response_future.protocol_context().disable_next_request_compression()
request_iterator.allow()
self._servicer.block_until_serviced()
self.assertIsNotNone(self._servicer.peer())
self.assertEqual(_RESPONSE, response_future.result())
def test_stream_stream(self):
call_options = interfaces.grpc_call_options(
credentials=self._client_credentials)
request_iterator = _BlockingIterator(iter((_REQUEST,)))
response_iterator = getattr(self._dynamic_stub, _STREAM_STREAM)(
request_iterator, test_constants.SHORT_TIMEOUT,
protocol_options=call_options)
response_iterator.protocol_context().disable_next_request_compression()
request_iterator.allow()
response = next(response_iterator)
response_iterator.protocol_context().disable_next_request_compression()
request_iterator.allow()
self._servicer.block_until_serviced()
self.assertIsNotNone(self._servicer.peer())
self.assertEqual(_RESPONSE, response)
if __name__ == '__main__':
unittest.main(verbosity=2)
|
