| // Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "login_manager/child_exit_handler.h" |
| |
| #include <signal.h> |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <unistd.h> |
| |
| #include <vector> |
| |
| #include <base/message_loop/message_loop.h> |
| #include <base/run_loop.h> |
| #include <chromeos/asynchronous_signal_handler.h> |
| #include <gtest/gtest.h> |
| |
| #include "login_manager/job_manager.h" |
| #include "login_manager/system_utils_impl.h" |
| |
| namespace login_manager { |
| |
| // A fake job manager implementation for testing. |
| class FakeJobManager : public JobManagerInterface { |
| public: |
| explicit FakeJobManager(base::RunLoop* run_loop) : run_loop_(run_loop) {} |
| virtual ~FakeJobManager() {} |
| |
| pid_t managed_pid() { return 0; } |
| const siginfo_t& last_status() { return last_status_; } |
| |
| // Implementation of JobManagerInterface. |
| bool IsManagedJob(pid_t pid) override { return true; } |
| void HandleExit(const siginfo_t& s) override { |
| last_status_ = s; |
| run_loop_->Quit(); |
| } |
| void RequestJobExit() override {} |
| void EnsureJobExit(base::TimeDelta timeout) override {} |
| |
| private: |
| base::RunLoop* run_loop_; |
| siginfo_t last_status_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FakeJobManager); |
| }; |
| |
| class ChildExitHandlerTest : public ::testing::Test { |
| public: |
| ChildExitHandlerTest() |
| : fake_manager_(&run_loop_) {} |
| virtual ~ChildExitHandlerTest() {} |
| |
| virtual void SetUp() { |
| std::vector<JobManagerInterface*> managers; |
| managers.push_back(&fake_manager_); |
| signal_handler_.Init(); |
| handler_.Init(&signal_handler_, managers); |
| } |
| |
| protected: |
| base::MessageLoopForIO loop_; |
| base::RunLoop run_loop_; |
| SystemUtilsImpl system_utils_; |
| chromeos::AsynchronousSignalHandler signal_handler_; |
| ChildExitHandler handler_; |
| FakeJobManager fake_manager_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ChildExitHandlerTest); |
| }; |
| |
| TEST_F(ChildExitHandlerTest, ChildExit) { |
| // Fork off a child process that exits immediately. |
| pid_t child_pid = system_utils_.fork(); |
| if (child_pid == 0) { |
| _Exit(EXIT_SUCCESS); |
| } |
| |
| // Spin the message loop. |
| run_loop_.Run(); |
| |
| // Verify child termination has been reported to |fake_manager|. |
| EXPECT_EQ(child_pid, fake_manager_.last_status().si_pid); |
| EXPECT_EQ(SIGCHLD, fake_manager_.last_status().si_signo); |
| EXPECT_EQ(static_cast<int>(CLD_EXITED), fake_manager_.last_status().si_code); |
| EXPECT_EQ(EXIT_SUCCESS, fake_manager_.last_status().si_status); |
| } |
| |
| } // namespace login_manager |