| // Copyright 2021 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 <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include <base/memory/scoped_refptr.h> |
| #include <base/test/task_environment.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| #include "rmad/constants.h" |
| #include "rmad/state_handler/state_handler_test_common.h" |
| #include "rmad/state_handler/write_protect_disable_physical_state_handler.h" |
| #include "rmad/system/mock_power_manager_client.h" |
| #include "rmad/utils/mock_cr50_utils.h" |
| #include "rmad/utils/mock_crossystem_utils.h" |
| |
| using testing::_; |
| using testing::Assign; |
| using testing::DoAll; |
| using testing::Eq; |
| using testing::InSequence; |
| using testing::IsFalse; |
| using testing::NiceMock; |
| using testing::Return; |
| using testing::SetArgPointee; |
| using testing::StrictMock; |
| |
| namespace rmad { |
| |
| class WriteProtectDisablePhysicalStateHandlerTest : public StateHandlerTest { |
| public: |
| // Helper class to mock the callback function to send signal. |
| class SignalSender { |
| public: |
| MOCK_METHOD(void, SendHardwareWriteProtectSignal, (bool), (const)); |
| }; |
| |
| scoped_refptr<WriteProtectDisablePhysicalStateHandler> CreateStateHandler( |
| const std::vector<int> wp_status_list, |
| bool factory_mode_enabled, |
| bool enable_factory_mode_success, |
| bool* factory_mode_toggled = nullptr, |
| bool* reboot_toggled = nullptr) { |
| // Mock |Cr50Utils|, |CrosSystemUtils|, |CryptohomeClient| and |
| // |PowerManagerClient|. |
| auto mock_crossystem_utils = |
| std::make_unique<StrictMock<MockCrosSystemUtils>>(); |
| { |
| InSequence seq; |
| for (int i = 0; i < wp_status_list.size(); ++i) { |
| EXPECT_CALL(*mock_crossystem_utils, |
| GetInt(Eq(CrosSystemUtils::kHwwpStatusProperty), _)) |
| .WillOnce(DoAll(SetArgPointee<1>(wp_status_list[i]), Return(true))); |
| } |
| } |
| |
| auto mock_cr50_utils = std::make_unique<NiceMock<MockCr50Utils>>(); |
| ON_CALL(*mock_cr50_utils, IsFactoryModeEnabled()) |
| .WillByDefault(Return(factory_mode_enabled)); |
| if (factory_mode_toggled) { |
| ON_CALL(*mock_cr50_utils, EnableFactoryMode()) |
| .WillByDefault(DoAll(Assign(factory_mode_toggled, true), |
| Return(enable_factory_mode_success))); |
| } |
| |
| auto mock_power_manager_client = |
| std::make_unique<NiceMock<MockPowerManagerClient>>(); |
| if (reboot_toggled) { |
| ON_CALL(*mock_power_manager_client, Restart()) |
| .WillByDefault(DoAll(Assign(reboot_toggled, true), Return(true))); |
| } |
| |
| auto handler = |
| base::MakeRefCounted<WriteProtectDisablePhysicalStateHandler>( |
| json_store_, std::move(mock_cr50_utils), |
| std::move(mock_crossystem_utils), |
| std::move(mock_power_manager_client)); |
| auto callback = |
| base::BindRepeating(&SignalSender::SendHardwareWriteProtectSignal, |
| base::Unretained(&signal_sender_)); |
| handler->RegisterSignalSender(callback); |
| return handler; |
| } |
| |
| protected: |
| StrictMock<SignalSender> signal_sender_; |
| bool factory_mode_enabled_; |
| |
| // Variables for TaskRunner. |
| base::test::SingleThreadTaskEnvironment task_environment_{ |
| base::test::TaskEnvironment::TimeSource::MOCK_TIME}; |
| }; |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, InitializeState_Success) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, false)); |
| auto handler = CreateStateHandler({0}, true, true); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| handler->RunState(); |
| EXPECT_TRUE(handler->GetState().wp_disable_physical().keep_device_open()); |
| |
| bool signal_sent = false; |
| EXPECT_CALL(signal_sender_, SendHardwareWriteProtectSignal(IsFalse())) |
| .WillOnce(Assign(&signal_sent, true)); |
| |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_TRUE(signal_sent); |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, InitializeState_Failed) { |
| // No kWipeDevice set in |json_store_|. |
| auto handler = CreateStateHandler({}, true, true); |
| EXPECT_EQ(handler->InitializeState(), |
| RMAD_ERROR_STATE_HANDLER_INITIALIZATION_FAILED); |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, |
| GetNextStateCase_Success_CleanUpBeforeSignal) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, false)); |
| auto handler = CreateStateHandler({0}, true, true); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| handler->RunState(); |
| |
| RmadState state; |
| state.set_allocated_wp_disable_physical(new WriteProtectDisablePhysicalState); |
| |
| auto [error, state_case] = handler->GetNextStateCase(state); |
| EXPECT_EQ(error, RMAD_ERROR_OK); |
| EXPECT_EQ(state_case, RmadState::StateCase::kWpDisableComplete); |
| |
| handler->CleanUpState(); |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| // |signal_sender_| is not called. |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, |
| GetNextStateCase_Success_FactoryModeEnabled) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, true)); |
| auto handler = CreateStateHandler({0, 0}, true, true); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| handler->RunState(); |
| |
| RmadState state; |
| state.set_allocated_wp_disable_physical(new WriteProtectDisablePhysicalState); |
| |
| auto [error, state_case] = handler->GetNextStateCase(state); |
| EXPECT_EQ(error, RMAD_ERROR_OK); |
| EXPECT_EQ(state_case, RmadState::StateCase::kWpDisableComplete); |
| |
| int wp_disable_method; |
| EXPECT_TRUE( |
| json_store_->GetValue(kWriteProtectDisableMethod, &wp_disable_method)); |
| EXPECT_EQ( |
| wp_disable_method, |
| static_cast<int>(WriteProtectDisableMethod::PHYSICAL_ASSEMBLE_DEVICE)); |
| |
| bool signal_sent = false; |
| EXPECT_CALL(signal_sender_, SendHardwareWriteProtectSignal(IsFalse())) |
| .WillOnce(Assign(&signal_sent, true)); |
| |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_TRUE(signal_sent); |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, |
| GetNextStateCase_Success_KeepDeviceOpen) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, false)); |
| auto handler = CreateStateHandler({0, 0}, false, true); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| handler->RunState(); |
| |
| RmadState state; |
| state.set_allocated_wp_disable_physical(new WriteProtectDisablePhysicalState); |
| |
| auto [error, state_case] = handler->GetNextStateCase(state); |
| EXPECT_EQ(error, RMAD_ERROR_OK); |
| EXPECT_EQ(state_case, RmadState::StateCase::kWpDisableComplete); |
| |
| int wp_disable_method; |
| EXPECT_TRUE( |
| json_store_->GetValue(kWriteProtectDisableMethod, &wp_disable_method)); |
| EXPECT_EQ( |
| wp_disable_method, |
| static_cast<int>(WriteProtectDisableMethod::PHYSICAL_KEEP_DEVICE_OPEN)); |
| |
| bool signal_sent = false; |
| EXPECT_CALL(signal_sender_, SendHardwareWriteProtectSignal(IsFalse())) |
| .WillOnce(Assign(&signal_sent, true)); |
| |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_TRUE(signal_sent); |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, |
| GetNextStateCase_FactoryModeDisabled_EnableSuccess) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, true)); |
| bool factory_mode_toggled = false, reboot_toggled = false; |
| auto handler = CreateStateHandler({1, 1, 0}, false, true, |
| &factory_mode_toggled, &reboot_toggled); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| handler->RunState(); |
| EXPECT_FALSE(handler->GetState().wp_disable_physical().keep_device_open()); |
| |
| RmadState state; |
| state.set_allocated_wp_disable_physical(new WriteProtectDisablePhysicalState); |
| |
| auto [error, state_case] = handler->GetNextStateCase(state); |
| EXPECT_EQ(error, RMAD_ERROR_WAIT); |
| EXPECT_EQ(state_case, RmadState::StateCase::kWpDisablePhysical); |
| |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // First call to |mock_crossystem_utils_| during polling, get 1. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // Second call to |mock_crossystem_utils_| during polling, get 1. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // Third call to |mock_crossystem_utils_| during polling, get 0. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // Try to enable factory mode after a delay. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kRebootDelay); |
| EXPECT_TRUE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, |
| GetNextStateCase_FactoryModeDisabled_EnableFailed) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, true)); |
| bool factory_mode_toggled = false, reboot_toggled = false; |
| auto handler = CreateStateHandler({1, 1, 0}, false, false, |
| &factory_mode_toggled, &reboot_toggled); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| handler->RunState(); |
| EXPECT_FALSE(handler->GetState().wp_disable_physical().keep_device_open()); |
| |
| RmadState state; |
| state.set_allocated_wp_disable_physical(new WriteProtectDisablePhysicalState); |
| |
| auto [error, state_case] = handler->GetNextStateCase(state); |
| EXPECT_EQ(error, RMAD_ERROR_WAIT); |
| EXPECT_EQ(state_case, RmadState::StateCase::kWpDisablePhysical); |
| |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // First call to |mock_crossystem_utils_| during polling, get 1. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // Second call to |mock_crossystem_utils_| during polling, get 1. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // Third call to |mock_crossystem_utils_| during polling, get 0. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kPollInterval); |
| EXPECT_FALSE(factory_mode_toggled); |
| EXPECT_FALSE(reboot_toggled); |
| // Try to enable factory mode after a delay. |
| task_environment_.FastForwardBy( |
| WriteProtectDisablePhysicalStateHandler::kRebootDelay); |
| EXPECT_TRUE(factory_mode_toggled); |
| EXPECT_TRUE(reboot_toggled); |
| } |
| |
| TEST_F(WriteProtectDisablePhysicalStateHandlerTest, |
| GetNextStateCase_MissingState) { |
| EXPECT_TRUE(json_store_->SetValue(kWipeDevice, false)); |
| auto handler = CreateStateHandler({}, false, true); |
| EXPECT_EQ(handler->InitializeState(), RMAD_ERROR_OK); |
| |
| // No WriteProtectDisablePhysicalState. |
| RmadState state; |
| |
| auto [error, state_case] = handler->GetNextStateCase(state); |
| EXPECT_EQ(error, RMAD_ERROR_REQUEST_INVALID); |
| EXPECT_EQ(state_case, RmadState::StateCase::kWpDisablePhysical); |
| } |
| |
| } // namespace rmad |