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
|
/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. 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.
*/
/*
* Copyright (C) 2022 Kefu Chai ( tchaikov@gmail.com )
*/
#include <seastar/core/reactor.hh>
#include <seastar/core/seastar.hh>
#include <seastar/testing/test_case.hh>
#include <seastar/util/log.hh>
#include <seastar/util/process.hh>
using namespace seastar;
using namespace seastar::experimental;
static seastar::logger testlog("testlog");
SEASTAR_TEST_CASE(test_spawn_success) {
return spawn_process("/bin/true").then([] (auto process) {
return process.wait();
}).then([] (auto wstatus) {
auto* exit_status = std::get_if<process::wait_exited>(&wstatus);
BOOST_REQUIRE(exit_status != nullptr);
BOOST_CHECK_EQUAL(exit_status->exit_code, EXIT_SUCCESS);
});
}
SEASTAR_TEST_CASE(test_spawn_failure) {
return spawn_process("/bin/false").then([] (auto process) {
return process.wait();
}).then([] (auto wstatus) {
auto* exit_status = std::get_if<process::wait_exited>(&wstatus);
BOOST_REQUIRE(exit_status != nullptr);
BOOST_CHECK_EQUAL(exit_status->exit_code, EXIT_FAILURE);
});
}
SEASTAR_TEST_CASE(test_spawn_program_does_not_exist) {
return spawn_process("non/existent/path").then_wrapped([] (future<process> fut) {
BOOST_REQUIRE(fut.failed());
BOOST_CHECK_EXCEPTION(std::rethrow_exception(fut.get_exception()),
std::system_error,
[](const auto& e) {
return e.code().value() == ENOENT;
});
});
}
SEASTAR_TEST_CASE(test_spawn_echo) {
const char* echo_cmd = "/bin/echo";
return spawn_process(echo_cmd, {.argv = {echo_cmd, "-n", "hello", "world"}}).then([] (auto process) {
auto stdout = process.stdout();
return do_with(std::move(process), std::move(stdout), bool(true), [](auto& p, auto& stdout, auto& matched) {
using consumption_result_type = typename input_stream<char>::consumption_result_type;
using stop_consuming_type = typename consumption_result_type::stop_consuming_type;
using tmp_buf = stop_consuming_type::tmp_buf;
struct consumer {
consumer(std::string_view expected, bool& matched)
: _expected(expected), _matched(matched) {}
future<consumption_result_type> operator()(tmp_buf buf) {
_matched = std::equal(buf.begin(), buf.end(), _expected.begin());
if (!_matched) {
return make_ready_future<consumption_result_type>(stop_consuming_type({}));
}
_expected.remove_prefix(buf.size());
return make_ready_future<consumption_result_type>(continue_consuming{});
}
std::string_view _expected;
bool& _matched;
};
return stdout.consume(consumer("hello world", matched)).then([&matched] {
BOOST_CHECK(matched);
}).finally([&p] {
return p.wait().discard_result();
});
});
});
}
SEASTAR_TEST_CASE(test_spawn_input) {
static const sstring text = "hello world\n";
return spawn_process("/bin/cat").then([] (auto process) {
auto stdin = process.stdin();
auto stdout = process.stdout();
return do_with(std::move(process), std::move(stdin), std::move(stdout), [](auto& p, auto& stdin, auto& stdout) {
return stdin.write(text).then([&stdin] {
return stdin.flush();
}).handle_exception_type([] (std::system_error& e) {
testlog.error("failed to write to stdin: {}", e);
return make_exception_future<>(std::move(e));
}).then([&stdout] {
return stdout.read_exactly(text.size());
}).handle_exception_type([] (std::system_error& e) {
testlog.error("failed to read from stdout: {}", e);
return make_exception_future<temporary_buffer<char>>(std::move(e));
}).then([] (temporary_buffer<char> echo) {
BOOST_CHECK_EQUAL(sstring(echo.get(), echo.size()), text);
}).finally([&p] {
return p.wait().discard_result();
});
});
});
}
SEASTAR_TEST_CASE(test_spawn_kill) {
const char* sleep_cmd = "/bin/sleep";
// sleep for 10s, but terminate it right away.
return spawn_process(sleep_cmd, {.argv = {sleep_cmd, "10"}}).then([] (auto process) {
auto start = std::chrono::high_resolution_clock::now();
return do_with(std::move(process), [](auto& p) {
p.terminate();
return p.wait();
}).then([start](experimental::process::wait_status wait_status) {
auto* wait_signaled = std::get_if<experimental::process::wait_signaled>(&wait_status);
BOOST_REQUIRE(wait_signaled != nullptr);
BOOST_CHECK_EQUAL(wait_signaled->terminating_signal, SIGTERM);
// sleep should be terminated in 10ms
auto end = std::chrono::high_resolution_clock::now();
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count();
BOOST_CHECK_LE(ms, 10);
});
});
}
|
