| // Copyright (c) 2012 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 <stdint.h> |
| |
| #include <base/bind.h> |
| #include <base/cancelable_callback.h> |
| #include <base/logging.h> |
| #include <base/memory/ref_counted.h> |
| #include <base/message_loop_proxy.h> |
| #include <base/stringprintf.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| #include "shill/io_handler.h" |
| #include "shill/mock_control.h" |
| #include "shill/mock_dhcp_provider.h" |
| #include "shill/mock_manager.h" |
| #include "shill/mock_proxy_factory.h" |
| #include "shill/mock_rtnl_handler.h" |
| #include "shill/mock_routing_table.h" |
| #include "shill/shill_daemon.h" |
| #include "shill/shill_test_config.h" |
| |
| using base::Bind; |
| using base::Callback; |
| using base::CancelableClosure; |
| using base::WeakPtrFactory; |
| |
| using ::testing::Expectation; |
| using ::testing::Gt; |
| using ::testing::NotNull; |
| using ::testing::Return; |
| using ::testing::StrictMock; |
| using ::testing::Test; |
| using ::testing::_; |
| |
| namespace shill { |
| |
| class MockEventDispatchTester { |
| public: |
| explicit MockEventDispatchTester(EventDispatcher *dispatcher) |
| : dispatcher_(dispatcher), |
| triggered_(false), |
| callback_count_(0), |
| got_data_(false), |
| got_ready_(false), |
| input_handler_(NULL), |
| tester_factory_(this) { |
| } |
| |
| void ScheduleFailSafe() { |
| // Set up a failsafe, so the test still exits even if something goes |
| // wrong. |
| failsafe_.Reset(Bind(&MockEventDispatchTester::StopDispatcher, |
| tester_factory_.GetWeakPtr())); |
| dispatcher_->PostDelayedTask(failsafe_.callback(), 100); |
| } |
| |
| void ScheduleTimedTasks() { |
| dispatcher_->PostDelayedTask( |
| Bind(&MockEventDispatchTester::Trigger, tester_factory_.GetWeakPtr()), |
| 10); |
| } |
| |
| void RescheduleUnlessTriggered() { |
| ++callback_count_; |
| if (!triggered_) { |
| dispatcher_->PostTask( |
| Bind(&MockEventDispatchTester::RescheduleUnlessTriggered, |
| tester_factory_.GetWeakPtr())); |
| } else { |
| failsafe_.Cancel(); |
| StopDispatcher(); |
| } |
| } |
| |
| void StopDispatcher() { |
| dispatcher_->PostTask(MessageLoop::QuitClosure()); |
| } |
| |
| void Trigger() { |
| LOG(INFO) << "MockEventDispatchTester handling " << callback_count_; |
| CallbackComplete(callback_count_); |
| triggered_ = true; |
| } |
| |
| void HandleData(InputData *inputData) { |
| LOG(INFO) << "MockEventDispatchTester handling data len " |
| << base::StringPrintf("%zd %.*s", inputData->len, |
| static_cast<int>(inputData->len), |
| inputData->buf); |
| got_data_ = true; |
| IOComplete(inputData->len); |
| StopDispatcher(); |
| } |
| |
| bool GetData() { return got_data_; } |
| |
| void ListenIO(int fd) { |
| data_callback_ = Bind(&MockEventDispatchTester::HandleData, |
| tester_factory_.GetWeakPtr()); |
| input_handler_.reset( |
| dispatcher_->CreateInputHandler(fd, data_callback_)); |
| } |
| |
| void StopListenIO() { |
| got_data_ = false; |
| input_handler_.reset(NULL); |
| } |
| |
| void HandleReady(int fd) { |
| // Stop event handling after we receive in input-ready event. We should |
| // no longer be called until events are re-enabled. |
| input_handler_->Stop(); |
| |
| if (got_ready_) { |
| // If we're still getting events after we have stopped them, something |
| // is really wrong, and we cannot just depend on ASSERT_FALSE() to get |
| // us out of it. Make sure the dispatcher is also stopped, or else we |
| // could end up never exiting. |
| StopDispatcher(); |
| ASSERT_FALSE(got_ready_) << "failed to stop Input Ready events"; |
| } |
| got_ready_ = true; |
| |
| LOG(INFO) << "MockEventDispatchTester handling ready for fd " << fd; |
| IOComplete(callback_count_); |
| |
| if (callback_count_) { |
| StopDispatcher(); |
| } else { |
| // Restart Ready events after 10 millisecond delay. |
| callback_count_++; |
| dispatcher_->PostDelayedTask( |
| Bind(&MockEventDispatchTester::RestartReady, |
| tester_factory_.GetWeakPtr()), |
| 10); |
| } |
| } |
| |
| void RestartReady() { |
| got_ready_ = false; |
| input_handler_->Start(); |
| } |
| |
| void ListenReady(int fd) { |
| ready_callback_ = Bind(&MockEventDispatchTester::HandleReady, |
| tester_factory_.GetWeakPtr()); |
| input_handler_.reset( |
| dispatcher_->CreateReadyHandler(fd, IOHandler::kModeInput, |
| ready_callback_)); |
| } |
| |
| void StopListenReady() { |
| got_ready_ = false; |
| input_handler_.reset(NULL); |
| } |
| |
| MOCK_METHOD1(CallbackComplete, void(int)); |
| MOCK_METHOD1(IOComplete, void(int)); |
| |
| private: |
| EventDispatcher *dispatcher_; |
| bool triggered_; |
| int callback_count_; |
| bool got_data_; |
| bool got_ready_; |
| Callback<void(InputData*)> data_callback_; |
| Callback<void(int)> ready_callback_; |
| scoped_ptr<IOHandler> input_handler_; |
| WeakPtrFactory<MockEventDispatchTester> tester_factory_; |
| CancelableClosure failsafe_; |
| }; |
| |
| class ShillDaemonTest : public Test { |
| public: |
| ShillDaemonTest() |
| : daemon_(&config_, new MockControl()), |
| manager_(new MockManager(daemon_.control_, |
| &daemon_.dispatcher_, |
| &daemon_.metrics_, |
| &daemon_.glib_)), |
| device_info_(daemon_.control_, dispatcher_, &daemon_.metrics_, |
| daemon_.manager_.get()), |
| dispatcher_(&daemon_.dispatcher_), |
| dispatcher_test_(dispatcher_) { |
| } |
| virtual ~ShillDaemonTest() {} |
| virtual void SetUp() { |
| // Tests initialization done by the daemon's constructor |
| ASSERT_NE(reinterpret_cast<Config*>(NULL), daemon_.config_); |
| ASSERT_NE(reinterpret_cast<ControlInterface*>(NULL), daemon_.control_); |
| daemon_.proxy_factory_ = &proxy_factory_; |
| daemon_.rtnl_handler_ = &rtnl_handler_; |
| daemon_.routing_table_ = &routing_table_; |
| daemon_.dhcp_provider_ = &dhcp_provider_; |
| daemon_.manager_.reset(manager_); // Passes ownership |
| dispatcher_test_.ScheduleFailSafe(); |
| } |
| void StartDaemon() { |
| daemon_.Start(); |
| } |
| |
| protected: |
| TestConfig config_; |
| Daemon daemon_; |
| MockProxyFactory proxy_factory_; |
| MockRTNLHandler rtnl_handler_; |
| MockRoutingTable routing_table_; |
| MockDHCPProvider dhcp_provider_; |
| MockManager *manager_; |
| DeviceInfo device_info_; |
| EventDispatcher *dispatcher_; |
| StrictMock<MockEventDispatchTester> dispatcher_test_; |
| }; |
| |
| |
| TEST_F(ShillDaemonTest, Start) { |
| // To ensure we do not have any stale routes, we flush a device's routes |
| // when it is started. This requires that the routing table is fully |
| // populated before we create and start devices. So test to make sure that |
| // the RoutingTable starts before the Manager (which in turn starts |
| // DeviceInfo who is responsible for creating and starting devices). |
| // The result is that we request the dump of the routing table and when that |
| // completes, we request the dump of the links. For each link found, we |
| // create and start the device. |
| EXPECT_CALL(proxy_factory_, Init()); |
| EXPECT_CALL(rtnl_handler_, Start(_, _)); |
| Expectation routing_table_started = EXPECT_CALL(routing_table_, Start()); |
| EXPECT_CALL(dhcp_provider_, Init(_, _, _)); |
| EXPECT_CALL(*manager_, Start()).After(routing_table_started); |
| StartDaemon(); |
| } |
| |
| TEST_F(ShillDaemonTest, EventDispatcherTimer) { |
| EXPECT_CALL(dispatcher_test_, CallbackComplete(Gt(0))); |
| dispatcher_test_.ScheduleTimedTasks(); |
| dispatcher_test_.RescheduleUnlessTriggered(); |
| dispatcher_->DispatchForever(); |
| } |
| |
| TEST_F(ShillDaemonTest, EventDispatcherIO) { |
| EXPECT_CALL(dispatcher_test_, IOComplete(16)); |
| int pipefd[2]; |
| ASSERT_EQ(pipe(pipefd), 0); |
| |
| dispatcher_test_.ListenIO(pipefd[0]); |
| ASSERT_EQ(write(pipefd[1], "This is a test?!", 16), 16); |
| |
| dispatcher_->DispatchForever(); |
| dispatcher_test_.StopListenIO(); |
| } |
| |
| TEST_F(ShillDaemonTest, EventDispatcherReady) { |
| EXPECT_CALL(dispatcher_test_, IOComplete(0)) |
| .Times(1); |
| EXPECT_CALL(dispatcher_test_, IOComplete(1)) |
| .Times(1); |
| |
| int pipefd[2]; |
| ASSERT_EQ(pipe(pipefd), 0); |
| |
| dispatcher_test_.ListenReady(pipefd[0]); |
| ASSERT_EQ(write(pipefd[1], "This is a test?!", 16), 16); |
| |
| dispatcher_->DispatchForever(); |
| dispatcher_test_.StopListenReady(); |
| } |
| |
| } // namespace shill |