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
|
# Copyright 2016, 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.
import unittest
import grpc
from grpc.framework.foundation import logging_pool
from tests.unit.framework.common import test_constants
_REQUEST = b''
_RESPONSE = b''
_UNARY_UNARY = '/test/UnaryUnary'
_UNARY_STREAM = '/test/UnaryStream'
_STREAM_UNARY = '/test/StreamUnary'
_STREAM_STREAM = '/test/StreamStream'
def handle_unary_unary(request, servicer_context):
return _RESPONSE
def handle_unary_stream(request, servicer_context):
for _ in range(test_constants.STREAM_LENGTH):
yield _RESPONSE
def handle_stream_unary(request_iterator, servicer_context):
for request in request_iterator:
pass
return _RESPONSE
def handle_stream_stream(request_iterator, servicer_context):
for request in request_iterator:
yield _RESPONSE
class _MethodHandler(grpc.RpcMethodHandler):
def __init__(self, request_streaming, response_streaming):
self.request_streaming = request_streaming
self.response_streaming = response_streaming
self.request_deserializer = None
self.response_serializer = None
self.unary_unary = None
self.unary_stream = None
self.stream_unary = None
self.stream_stream = None
if self.request_streaming and self.response_streaming:
self.stream_stream = handle_stream_stream
elif self.request_streaming:
self.stream_unary = handle_stream_unary
elif self.response_streaming:
self.unary_stream = handle_unary_stream
else:
self.unary_unary = handle_unary_unary
class _GenericHandler(grpc.GenericRpcHandler):
def service(self, handler_call_details):
if handler_call_details.method == _UNARY_UNARY:
return _MethodHandler(False, False)
elif handler_call_details.method == _UNARY_STREAM:
return _MethodHandler(False, True)
elif handler_call_details.method == _STREAM_UNARY:
return _MethodHandler(True, False)
elif handler_call_details.method == _STREAM_STREAM:
return _MethodHandler(True, True)
else:
return None
class EmptyMessageTest(unittest.TestCase):
def setUp(self):
self._server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
self._server = grpc.server(
self._server_pool, handlers=(_GenericHandler(),))
port = self._server.add_insecure_port('[::]:0')
self._server.start()
self._channel = grpc.insecure_channel('localhost:%d' % port)
def tearDown(self):
self._server.stop(0)
def testUnaryUnary(self):
response = self._channel.unary_unary(_UNARY_UNARY)(_REQUEST)
self.assertEqual(_RESPONSE, response)
def testUnaryStream(self):
response_iterator = self._channel.unary_stream(_UNARY_STREAM)(_REQUEST)
self.assertSequenceEqual(
[_RESPONSE] * test_constants.STREAM_LENGTH, list(response_iterator))
def testStreamUnary(self):
response = self._channel.stream_unary(_STREAM_UNARY)(
[_REQUEST] * test_constants.STREAM_LENGTH)
self.assertEqual(_RESPONSE, response)
def testStreamStream(self):
response_iterator = self._channel.stream_stream(_STREAM_STREAM)(
[_REQUEST] * test_constants.STREAM_LENGTH)
self.assertSequenceEqual(
[_RESPONSE] * test_constants.STREAM_LENGTH, list(response_iterator))
if __name__ == '__main__':
unittest.main(verbosity=2)
|
