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
|
# 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.
"""Common code used throughout tests of gRPC."""
import collections
import grpc
import six
INVOCATION_INITIAL_METADATA = (
('0', 'abc'),
('1', 'def'),
('2', 'ghi'),)
SERVICE_INITIAL_METADATA = (
('3', 'jkl'),
('4', 'mno'),
('5', 'pqr'),)
SERVICE_TERMINAL_METADATA = (
('6', 'stu'),
('7', 'vwx'),
('8', 'yza'),)
DETAILS = 'test details'
def metadata_transmitted(original_metadata, transmitted_metadata):
"""Judges whether or not metadata was acceptably transmitted.
gRPC is allowed to insert key-value pairs into the metadata values given by
applications and to reorder key-value pairs with different keys but it is not
allowed to alter existing key-value pairs or to reorder key-value pairs with
the same key.
Args:
original_metadata: A metadata value used in a test of gRPC. An iterable over
iterables of length 2.
transmitted_metadata: A metadata value corresponding to original_metadata
after having been transmitted via gRPC. An iterable over iterables of
length 2.
Returns:
A boolean indicating whether transmitted_metadata accurately reflects
original_metadata after having been transmitted via gRPC.
"""
original = collections.defaultdict(list)
for key, value in original_metadata:
original[key].append(value)
transmitted = collections.defaultdict(list)
for key, value in transmitted_metadata:
transmitted[key].append(value)
for key, values in six.iteritems(original):
transmitted_values = transmitted[key]
transmitted_iterator = iter(transmitted_values)
try:
for value in values:
while True:
transmitted_value = next(transmitted_iterator)
if value == transmitted_value:
break
except StopIteration:
return False
else:
return True
def test_secure_channel(target, channel_credentials, server_host_override):
"""Creates an insecure Channel to a remote host.
Args:
host: The name of the remote host to which to connect.
port: The port of the remote host to which to connect.
channel_credentials: The implementations.ChannelCredentials with which to
connect.
server_host_override: The target name used for SSL host name checking.
Returns:
An implementations.Channel to the remote host through which RPCs may be
conducted.
"""
channel = grpc.secure_channel(target, channel_credentials, ((
'grpc.ssl_target_name_override',
server_host_override,),))
return channel
|
