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
|
/*
* Copyright (C) 2023 The Android Open Source Project
*
* 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 "test_utils.h"
#include <android-base/strings.h>
#include <android-base/test_utils.h>
#include <cutils/sockets.h>
#include <gtest/gtest.h>
#include "shell_protocol.h"
#include "sysdeps.h"
namespace test_utils {
// Reads raw data from |fd| until it closes or errors.
std::string ReadRaw(android::base::borrowed_fd fd) {
char buffer[1024];
char *cur_ptr = buffer, *end_ptr = buffer + sizeof(buffer);
while (1) {
int bytes = adb_read(fd, cur_ptr, end_ptr - cur_ptr);
if (bytes <= 0) {
return std::string(buffer, cur_ptr);
}
cur_ptr += bytes;
}
}
// Reads shell protocol data from |fd| until it closes or errors. Fills
// |stdout| and |stderr| with their respective data, and returns the exit code
// read from the protocol or -1 if an exit code packet was not received.
int ReadShellProtocol(android::base::borrowed_fd fd, std::string* std_out, std::string* std_err) {
int exit_code = -1;
std_out->clear();
std_err->clear();
auto protocol = std::make_unique<ShellProtocol>(fd.get());
while (protocol->Read()) {
switch (protocol->id()) {
case ShellProtocol::kIdStdout:
std_out->append(protocol->data(), protocol->data_length());
break;
case ShellProtocol::kIdStderr:
std_err->append(protocol->data(), protocol->data_length());
break;
case ShellProtocol::kIdExit:
EXPECT_EQ(-1, exit_code) << "Multiple exit packets received";
EXPECT_EQ(1u, protocol->data_length());
exit_code = protocol->data()[0];
break;
default:
ADD_FAILURE() << "Unidentified packet ID: " << protocol->id();
}
}
return exit_code;
}
// Checks if each line in |lines| exists in the same order in |output|. Blank
// lines in |output| are ignored for simplicity.
bool ExpectLinesEqual(const std::string& output, const std::vector<std::string>& lines) {
auto output_lines = android::base::Split(output, "\r\n");
size_t i = 0;
for (const std::string& line : lines) {
// Skip empty lines in output.
while (i < output_lines.size() && output_lines[i].empty()) {
++i;
}
if (i >= output_lines.size()) {
ADD_FAILURE() << "Ran out of output lines";
return false;
}
EXPECT_EQ(output_lines[i], line);
++i;
}
while (i < output_lines.size() && output_lines[i].empty()) {
++i;
}
EXPECT_EQ(i, output_lines.size()) << "Found unmatched output lines";
return true;
}
// Relies on the device to allocate an available port, and
// returns it to the caller. Also returns the associated fd.
// Existing client (LocalSocketTest) of this interface is
// implemented only on Linux, hence using cutils.
int GetUnassignedPort(android::base::unique_fd& fd) {
fd.reset(socket_inaddr_any_server(0, SOCK_STREAM));
EXPECT_NE(static_cast<cutils_socket_t>(fd.get()), INVALID_SOCKET);
const int port = socket_get_local_port(fd.get());
EXPECT_GT(port, 0);
return port;
}
} // namespace test_utils
|
