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
|
/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <gtest/gtest.h>
#include "absl/memory/memory.h"
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.h>
#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/subprocess.h"
static std::string g_root;
namespace grpc {
namespace testing {
namespace {
class CrashTest : public ::testing::Test {
protected:
CrashTest() {}
std::unique_ptr<grpc::testing::EchoTestService::Stub> CreateServerAndStub() {
auto port = grpc_pick_unused_port_or_die();
std::ostringstream addr_stream;
addr_stream << "localhost:" << port;
auto addr = addr_stream.str();
server_ = std::make_unique<SubProcess>(std::vector<std::string>({
g_root + "/client_crash_test_server",
"--address=" + addr,
}));
GPR_ASSERT(server_);
return grpc::testing::EchoTestService::NewStub(
grpc::CreateChannel(addr, InsecureChannelCredentials()));
}
void KillServer() { server_.reset(); }
private:
std::unique_ptr<SubProcess> server_;
};
TEST_F(CrashTest, KillBeforeWrite) {
auto stub = CreateServerAndStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_wait_for_ready(true);
auto stream = stub->BidiStream(&context);
request.set_message("Hello");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
KillServer();
request.set_message("You should be dead");
// This may succeed or fail depending on the state of the TCP connection
stream->Write(request);
// But the read will definitely fail
EXPECT_FALSE(stream->Read(&response));
EXPECT_FALSE(stream->Finish().ok());
}
TEST_F(CrashTest, KillAfterWrite) {
auto stub = CreateServerAndStub();
EchoRequest request;
EchoResponse response;
ClientContext context;
context.set_wait_for_ready(true);
auto stream = stub->BidiStream(&context);
request.set_message("Hello");
EXPECT_TRUE(stream->Write(request));
EXPECT_TRUE(stream->Read(&response));
EXPECT_EQ(response.message(), request.message());
request.set_message("I'm going to kill you");
EXPECT_TRUE(stream->Write(request));
KillServer();
// This may succeed or fail depending on how quick the server was
stream->Read(&response);
EXPECT_FALSE(stream->Finish().ok());
}
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
std::string me = argv[0];
auto lslash = me.rfind('/');
if (lslash != std::string::npos) {
g_root = me.substr(0, lslash);
} else {
g_root = ".";
}
grpc::testing::TestEnvironment env(&argc, argv);
::testing::InitGoogleTest(&argc, argv);
// Order seems to matter on these tests: run three times to eliminate that
for (int i = 0; i < 3; i++) {
if (RUN_ALL_TESTS() != 0) {
return 1;
}
}
return 0;
}
|
