process-cpp: /build/process-cpp/src/process-cpp-3.0.1/include/core/testing/fork_and_run.h Source File

process-cpp 3.0.0 A simple convenience library for handling processes in C++11.

fork_and_run.h
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1 /*
2 * Copyright © 2012-2013 Canonical Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License version 3,
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *
16 * Authored by: Thomas Voß <thomas.voss@canonical.com>
17 */
18 #ifndef CORE_TESTING_FORK_AND_RUN_H_
19 #define CORE_TESTING_FORK_AND_RUN_H_
20
21 #include <core/posix/exit.h>
22 #include <core/posix/fork.h>
23 #include <core/posix/visibility.h>
24
25 #include <functional>
26
27 namespace core
28 {
29 namespace testing
30 {
34 enum class ForkAndRunResult
35 {
36 empty = 0,
37 client_failed = 1 << 0,
38 service_failed = 1 << 1
39 };
40
41 CORE_POSIX_DLL_PUBLIC ForkAndRunResult operator|(ForkAndRunResult lhs, ForkAndRunResult rhs);
42 CORE_POSIX_DLL_PUBLIC ForkAndRunResult operator&(ForkAndRunResult lhs, ForkAndRunResult rhs);
43
58 CORE_POSIX_DLL_PUBLIC ForkAndRunResult fork_and_run(
59 const std::function<core::posix::exit::Status()>& service,
60 const std::function<core::posix::exit::Status()>& client);
61 }
62 }
63
75 #define TESTP(test_suite, test_name, CODE) \
76 TEST(test_suite, test_name) { \
77 auto test = [&]() { \
78 CODE \
79 return HasFailure() ? core::posix::exit::Status::failure \
80 : core::posix::exit::Status::success; \
81 }; \
82 auto child = core::posix::fork( \
83 test, \
84 core::posix::StandardStream::empty); \
85 auto result = child.wait_for(core::posix::wait::Flags::untraced); \
86 EXPECT_EQ(core::posix::wait::Result::Status::exited, result.status); \
87 EXPECT_EQ(core::posix::exit::Status::success, result.detail.if_exited.status); \
88 } \
89
90
100 #define TESTP_F(test_fixture, test_name, CODE) \
101 TEST_F(test_fixture, test_name) { \
102 auto test = [&]() { \
103 CODE \
104 return HasFailure() ? core::posix::exit::Status::failure \
105 : core::posix::exit::Status::success; \
106 }; \
107 auto child = core::posix::fork( \
108 test, \
109 core::posix::StandardStream::empty); \
110 auto result = child.wait_for(core::posix::wait::Flags::untraced); \
111 EXPECT_EQ(core::posix::wait::Result::Status::exited, result.status); \
112 EXPECT_EQ(core::posix::exit::Status::success, result.detail.if_exited.status); \
113 } \
114
115 #endif // CORE_TESTING_FORK_AND_RUN_H_
visibility.h
fork.h
exit.h
CORE_POSIX_DLL_PUBLIC
#define CORE_POSIX_DLL_PUBLIC
Definition: visibility.h:26
core::testing::operator&
CORE_POSIX_DLL_PUBLIC ForkAndRunResult operator&(ForkAndRunResult lhs, ForkAndRunResult rhs)
Definition: fork_and_run.cpp:33
core::testing::ForkAndRunResult
ForkAndRunResult
The ForkAndRunResult enum models the different failure modes of fork_and_run.
Definition: fork_and_run.h:35
core::posix::exit::Status
Status
The Status enum wrap's the posix exit status.
Definition: exit.h:34
core::testing::operator|
CORE_POSIX_DLL_PUBLIC ForkAndRunResult operator|(ForkAndRunResult lhs, ForkAndRunResult rhs)
Definition: fork_and_run.cpp:25
core
Definition: child_process.h:32
core::testing::ForkAndRunResult::empty
@ empty
Special value indicating no bit being set.
core::testing::fork_and_run
CORE_POSIX_DLL_PUBLIC ForkAndRunResult fork_and_run(const std::function< core::posix::exit::Status()> &service, const std::function< core::posix::exit::Status()> &client)
Forks two processes for both the service and the client.
Definition: fork_and_run.cpp:41