phosphor-regulators/test/device_tests.cpp - openbmc/phosphor-power - Gitiles

 /**
  * Copyright © 2019 IBM Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * 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.
  */
 #include "action.hpp"
 #include "chassis.hpp"
 #include "configuration.hpp"
 #include "device.hpp"
 #include "i2c_interface.hpp"
 #include "id_map.hpp"
 #include "journal.hpp"
 #include "mock_action.hpp"
 #include "mock_journal.hpp"
 #include "mocked_i2c_interface.hpp"
 #include "presence_detection.hpp"
 #include "rail.hpp"
 #include "rule.hpp"
 #include "system.hpp"
 #include "test_utils.hpp"

 #include <memory>
 #include <optional>
 #include <string>
 #include <utility>
 #include <vector>

 #include <gmock/gmock.h>
 #include <gtest/gtest.h>

 using namespace phosphor::power::regulators;
 using namespace phosphor::power::regulators::test_utils;

 using ::testing::Return;
 using ::testing::Throw;

 TEST(DeviceTests, Constructor)
 {
     // Test where only required parameters are specified
     {
         std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
         i2c::I2CInterface* i2cInterfacePtr = i2cInterface.get();
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(i2cInterface)};
         EXPECT_EQ(device.getID(), "vdd_reg");
         EXPECT_EQ(device.isRegulator(), true);
         EXPECT_EQ(device.getFRU(), "/system/chassis/motherboard/reg2");
         EXPECT_EQ(&(device.getI2CInterface()), i2cInterfacePtr);
         EXPECT_EQ(device.getPresenceDetection(), nullptr);
         EXPECT_EQ(device.getConfiguration(), nullptr);
         EXPECT_EQ(device.getRails().size(), 0);
     }

     // Test where all parameters are specified
     {
         // Create I2CInterface
         std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
         i2c::I2CInterface* i2cInterfacePtr = i2cInterface.get();

         // Create PresenceDetection
         std::vector<std::unique_ptr<Action>> actions{};
         actions.push_back(std::make_unique<MockAction>());
         std::unique_ptr<PresenceDetection> presenceDetection =
             std::make_unique<PresenceDetection>(std::move(actions));

         // Create Configuration
         std::optional<double> volts{};
         actions.clear();
         actions.push_back(std::make_unique<MockAction>());
         actions.push_back(std::make_unique<MockAction>());
         std::unique_ptr<Configuration> configuration =
             std::make_unique<Configuration>(volts, std::move(actions));

         // Create vector of Rail objects
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.push_back(std::make_unique<Rail>("vdd0"));
         rails.push_back(std::make_unique<Rail>("vdd1"));

         // Create Device
         Device device{"vdd_reg",
                       false,
                       "/system/chassis/motherboard/reg1",
                       std::move(i2cInterface),
                       std::move(presenceDetection),
                       std::move(configuration),
                       std::move(rails)};
         EXPECT_EQ(device.getID(), "vdd_reg");
         EXPECT_EQ(device.isRegulator(), false);
         EXPECT_EQ(device.getFRU(), "/system/chassis/motherboard/reg1");
         EXPECT_EQ(&(device.getI2CInterface()), i2cInterfacePtr);
         EXPECT_NE(device.getPresenceDetection(), nullptr);
         EXPECT_EQ(device.getPresenceDetection()->getActions().size(), 1);
         EXPECT_NE(device.getConfiguration(), nullptr);
         EXPECT_EQ(device.getConfiguration()->getVolts().has_value(), false);
         EXPECT_EQ(device.getConfiguration()->getActions().size(), 2);
         EXPECT_EQ(device.getRails().size(), 2);
     }
 }

 TEST(DeviceTests, AddToIDMap)
 {
     std::unique_ptr<PresenceDetection> presenceDetection{};
     std::unique_ptr<Configuration> configuration{};

     // Create vector of Rail objects
     std::vector<std::unique_ptr<Rail>> rails{};
     rails.push_back(std::make_unique<Rail>("vdd0"));
     rails.push_back(std::make_unique<Rail>("vdd1"));

     // Create Device
     Device device{"vdd_reg",
                   false,
                   "/system/chassis/motherboard/reg2",
                   std::move(createI2CInterface()),
                   std::move(presenceDetection),
                   std::move(configuration),
                   std::move(rails)};

     // Add Device and Rail objects to an IDMap
     IDMap idMap{};
     device.addToIDMap(idMap);

     // Verify Device is in the IDMap
     EXPECT_NO_THROW(idMap.getDevice("vdd_reg"));
     EXPECT_THROW(idMap.getDevice("vio_reg"), std::invalid_argument);

     // Verify all Rails are in the IDMap
     EXPECT_NO_THROW(idMap.getRail("vdd0"));
     EXPECT_NO_THROW(idMap.getRail("vdd1"));
     EXPECT_THROW(idMap.getRail("vdd2"), std::invalid_argument);
 }

 TEST(DeviceTests, Close)
 {
     // Test where works: I2C interface is not open
     {
         // Create mock I2CInterface
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(false));
         EXPECT_CALL(*i2cInterface, close).Times(0);

         // Create Device
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(i2cInterface)};

         // Close Device
         journal::clear();
         device.close();
         EXPECT_EQ(journal::getErrMessages().size(), 0);
     }

     // Test where works: I2C interface is open
     {
         // Create mock I2CInterface
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(true));
         EXPECT_CALL(*i2cInterface, close).Times(1);

         // Create Device
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(i2cInterface)};

         // Close Device
         journal::clear();
         device.close();
         EXPECT_EQ(journal::getErrMessages().size(), 0);
     }

     // Test where fails: closing I2C interface fails
     {
         // Create mock I2CInterface
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(true));
         EXPECT_CALL(*i2cInterface, close)
             .Times(1)
             .WillOnce(Throw(
                 i2c::I2CException{"Failed to close", "/dev/i2c-1", 0x70}));

         // Create Device
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(i2cInterface)};

         // Close Device
         journal::clear();
         device.close();
         std::vector<std::string> expectedErrMessages{
             "I2CException: Failed to close: bus /dev/i2c-1, addr 0x70",
             "Unable to close device vdd_reg"};
         EXPECT_EQ(journal::getErrMessages(), expectedErrMessages);
     }
 }

 TEST(DeviceTests, Configure)
 {
     // Test where Configuration and Rails were not specified in constructor
     {
         // Create Device
         std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true, "/system/chassis/motherboard/reg1",
             std::move(i2cInterface));
         Device* devicePtr = device.get();

         // Create Chassis that contains Device
         std::vector<std::unique_ptr<Device>> devices{};
         devices.emplace_back(std::move(device));
         std::unique_ptr<Chassis> chassis =
             std::make_unique<Chassis>(1, std::move(devices));
         Chassis* chassisPtr = chassis.get();

         // Create System that contains Chassis
         std::vector<std::unique_ptr<Rule>> rules{};
         std::vector<std::unique_ptr<Chassis>> chassisVec{};
         chassisVec.emplace_back(std::move(chassis));
         System system{std::move(rules), std::move(chassisVec)};

         // Call configure().  Should do nothing.
         journal::clear();
         devicePtr->configure(system, *chassisPtr);
         EXPECT_EQ(journal::getDebugMessages().size(), 0);
         EXPECT_EQ(journal::getErrMessages().size(), 0);
     }

     // Test where Configuration and Rails were specified in constructor
     {
         std::vector<std::unique_ptr<Rail>> rails{};

         // Create Rail vdd0
         {
             // Create Configuration for Rail
             std::optional<double> volts{1.3};
             std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
             EXPECT_CALL(*action, execute).Times(1).WillOnce(Return(true));
             std::vector<std::unique_ptr<Action>> actions{};
             actions.emplace_back(std::move(action));
             std::unique_ptr<Configuration> configuration =
                 std::make_unique<Configuration>(volts, std::move(actions));

             // Create Rail
             std::unique_ptr<Rail> rail =
                 std::make_unique<Rail>("vdd0", std::move(configuration));
             rails.emplace_back(std::move(rail));
         }

         // Create Rail vio0
         {
             // Create Configuration for Rail
             std::optional<double> volts{3.2};
             std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
             EXPECT_CALL(*action, execute).Times(1).WillOnce(Return(true));
             std::vector<std::unique_ptr<Action>> actions{};
             actions.emplace_back(std::move(action));
             std::unique_ptr<Configuration> configuration =
                 std::make_unique<Configuration>(volts, std::move(actions));

             // Create Rail
             std::unique_ptr<Rail> rail =
                 std::make_unique<Rail>("vio0", std::move(configuration));
             rails.emplace_back(std::move(rail));
         }

         // Create Configuration for Device
         std::optional<double> volts{};
         std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
         EXPECT_CALL(*action, execute).Times(1).WillOnce(Return(true));
         std::vector<std::unique_ptr<Action>> actions{};
         actions.emplace_back(std::move(action));
         std::unique_ptr<Configuration> configuration =
             std::make_unique<Configuration>(volts, std::move(actions));

         // Create Device
         std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true, "/system/chassis/motherboard/reg1",
             std::move(i2cInterface), std::move(presenceDetection),
             std::move(configuration), std::move(rails));
         Device* devicePtr = device.get();

         // Create Chassis that contains Device
         std::vector<std::unique_ptr<Device>> devices{};
         devices.emplace_back(std::move(device));
         std::unique_ptr<Chassis> chassis =
             std::make_unique<Chassis>(1, std::move(devices));
         Chassis* chassisPtr = chassis.get();

         // Create System that contains Chassis
         std::vector<std::unique_ptr<Rule>> rules{};
         std::vector<std::unique_ptr<Chassis>> chassisVec{};
         chassisVec.emplace_back(std::move(chassis));
         System system{std::move(rules), std::move(chassisVec)};

         // Call configure().  For the Device and both Rails, should execute the
         // Configuration and log a debug message.
         journal::clear();
         devicePtr->configure(system, *chassisPtr);
         std::vector<std::string> expectedDebugMessages{
             "Configuring reg1", "Configuring vdd0: volts=1.300000",
             "Configuring vio0: volts=3.200000"};
         EXPECT_EQ(journal::getDebugMessages(), expectedDebugMessages);
         EXPECT_EQ(journal::getErrMessages().size(), 0);
     }
 }

 TEST(DeviceTests, GetConfiguration)
 {
     // Test where Configuration was not specified in constructor
     {
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(createI2CInterface())};
         EXPECT_EQ(device.getConfiguration(), nullptr);
     }

     // Test where Configuration was specified in constructor
     {
         std::unique_ptr<PresenceDetection> presenceDetection{};

         // Create Configuration
         std::optional<double> volts{3.2};
         std::vector<std::unique_ptr<Action>> actions{};
         actions.push_back(std::make_unique<MockAction>());
         actions.push_back(std::make_unique<MockAction>());
         std::unique_ptr<Configuration> configuration =
             std::make_unique<Configuration>(volts, std::move(actions));

         // Create Device
         Device device{"vdd_reg",
                       true,
                       "/system/chassis/motherboard/reg2",
                       std::move(createI2CInterface()),
                       std::move(presenceDetection),
                       std::move(configuration)};
         EXPECT_NE(device.getConfiguration(), nullptr);
         EXPECT_EQ(device.getConfiguration()->getVolts().has_value(), true);
         EXPECT_EQ(device.getConfiguration()->getVolts().value(), 3.2);
         EXPECT_EQ(device.getConfiguration()->getActions().size(), 2);
     }
 }

 TEST(DeviceTests, GetFRU)
 {
     Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                   std::move(createI2CInterface())};
     EXPECT_EQ(device.getFRU(), "/system/chassis/motherboard/reg2");
 }

 TEST(DeviceTests, GetI2CInterface)
 {
     std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
     i2c::I2CInterface* i2cInterfacePtr = i2cInterface.get();
     Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                   std::move(i2cInterface)};
     EXPECT_EQ(&(device.getI2CInterface()), i2cInterfacePtr);
 }

 TEST(DeviceTests, GetID)
 {
     Device device{"vdd_reg", false, "/system/chassis/motherboard/reg2",
                   std::move(createI2CInterface())};
     EXPECT_EQ(device.getID(), "vdd_reg");
 }

 TEST(DeviceTests, GetPresenceDetection)
 {
     // Test where PresenceDetection was not specified in constructor
     {
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(createI2CInterface())};
         EXPECT_EQ(device.getPresenceDetection(), nullptr);
     }

     // Test where PresenceDetection was specified in constructor
     {
         // Create PresenceDetection
         std::vector<std::unique_ptr<Action>> actions{};
         actions.push_back(std::make_unique<MockAction>());
         std::unique_ptr<PresenceDetection> presenceDetection =
             std::make_unique<PresenceDetection>(std::move(actions));

         // Create Device
         Device device{"vdd_reg", false, "/system/chassis/motherboard/reg2",
                       std::move(createI2CInterface()),
                       std::move(presenceDetection)};
         EXPECT_NE(device.getPresenceDetection(), nullptr);
         EXPECT_EQ(device.getPresenceDetection()->getActions().size(), 1);
     }
 }

 TEST(DeviceTests, GetRails)
 {
     // Test where no rails were specified in constructor
     {
         Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
                       std::move(createI2CInterface())};
         EXPECT_EQ(device.getRails().size(), 0);
     }

     // Test where rails were specified in constructor
     {
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> configuration{};

         // Create vector of Rail objects
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.push_back(std::make_unique<Rail>("vdd0"));
         rails.push_back(std::make_unique<Rail>("vdd1"));

         // Create Device
         Device device{"vdd_reg",
                       false,
                       "/system/chassis/motherboard/reg2",
                       std::move(createI2CInterface()),
                       std::move(presenceDetection),
                       std::move(configuration),
                       std::move(rails)};
         EXPECT_EQ(device.getRails().size(), 2);
         EXPECT_EQ(device.getRails()[0]->getID(), "vdd0");
         EXPECT_EQ(device.getRails()[1]->getID(), "vdd1");
     }
 }

 TEST(DeviceTests, IsRegulator)
 {
     Device device{"vdd_reg", false, "/system/chassis/motherboard/reg2",
                   std::move(createI2CInterface())};
     EXPECT_EQ(device.isRegulator(), false);
 }
	/**
	* Copyright © 2019 IBM Corporation
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* 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.
	*/
	#include "action.hpp"
	#include "chassis.hpp"
	#include "configuration.hpp"
	#include "device.hpp"
	#include "i2c_interface.hpp"
	#include "id_map.hpp"
	#include "journal.hpp"
	#include "mock_action.hpp"
	#include "mock_journal.hpp"
	#include "mocked_i2c_interface.hpp"
	#include "presence_detection.hpp"
	#include "rail.hpp"
	#include "rule.hpp"
	#include "system.hpp"
	#include "test_utils.hpp"

	#include <memory>
	#include <optional>
	#include <string>
	#include <utility>
	#include <vector>

	#include <gmock/gmock.h>
	#include <gtest/gtest.h>

	using namespace phosphor::power::regulators;
	using namespace phosphor::power::regulators::test_utils;

	using ::testing::Return;
	using ::testing::Throw;

	TEST(DeviceTests, Constructor)
	{
	// Test where only required parameters are specified
	{
	std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
	i2c::I2CInterface* i2cInterfacePtr = i2cInterface.get();
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(i2cInterface)};
	EXPECT_EQ(device.getID(), "vdd_reg");
	EXPECT_EQ(device.isRegulator(), true);
	EXPECT_EQ(device.getFRU(), "/system/chassis/motherboard/reg2");
	EXPECT_EQ(&(device.getI2CInterface()), i2cInterfacePtr);
	EXPECT_EQ(device.getPresenceDetection(), nullptr);
	EXPECT_EQ(device.getConfiguration(), nullptr);
	EXPECT_EQ(device.getRails().size(), 0);
	}

	// Test where all parameters are specified
	{
	// Create I2CInterface
	std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
	i2c::I2CInterface* i2cInterfacePtr = i2cInterface.get();

	// Create PresenceDetection
	std::vector<std::unique_ptr<Action>> actions{};
	actions.push_back(std::make_unique<MockAction>());
	std::unique_ptr<PresenceDetection> presenceDetection =
	std::make_unique<PresenceDetection>(std::move(actions));

	// Create Configuration
	std::optional<double> volts{};
	actions.clear();
	actions.push_back(std::make_unique<MockAction>());
	actions.push_back(std::make_unique<MockAction>());
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(volts, std::move(actions));

	// Create vector of Rail objects
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.push_back(std::make_unique<Rail>("vdd0"));
	rails.push_back(std::make_unique<Rail>("vdd1"));

	// Create Device
	Device device{"vdd_reg",
	false,
	"/system/chassis/motherboard/reg1",
	std::move(i2cInterface),
	std::move(presenceDetection),
	std::move(configuration),
	std::move(rails)};
	EXPECT_EQ(device.getID(), "vdd_reg");
	EXPECT_EQ(device.isRegulator(), false);
	EXPECT_EQ(device.getFRU(), "/system/chassis/motherboard/reg1");
	EXPECT_EQ(&(device.getI2CInterface()), i2cInterfacePtr);
	EXPECT_NE(device.getPresenceDetection(), nullptr);
	EXPECT_EQ(device.getPresenceDetection()->getActions().size(), 1);
	EXPECT_NE(device.getConfiguration(), nullptr);
	EXPECT_EQ(device.getConfiguration()->getVolts().has_value(), false);
	EXPECT_EQ(device.getConfiguration()->getActions().size(), 2);
	EXPECT_EQ(device.getRails().size(), 2);
	}
	}

	TEST(DeviceTests, AddToIDMap)
	{
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> configuration{};

	// Create vector of Rail objects
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.push_back(std::make_unique<Rail>("vdd0"));
	rails.push_back(std::make_unique<Rail>("vdd1"));

	// Create Device
	Device device{"vdd_reg",
	false,
	"/system/chassis/motherboard/reg2",
	std::move(createI2CInterface()),
	std::move(presenceDetection),
	std::move(configuration),
	std::move(rails)};

	// Add Device and Rail objects to an IDMap
	IDMap idMap{};
	device.addToIDMap(idMap);

	// Verify Device is in the IDMap
	EXPECT_NO_THROW(idMap.getDevice("vdd_reg"));
	EXPECT_THROW(idMap.getDevice("vio_reg"), std::invalid_argument);

	// Verify all Rails are in the IDMap
	EXPECT_NO_THROW(idMap.getRail("vdd0"));
	EXPECT_NO_THROW(idMap.getRail("vdd1"));
	EXPECT_THROW(idMap.getRail("vdd2"), std::invalid_argument);
	}

	TEST(DeviceTests, Close)
	{
	// Test where works: I2C interface is not open
	{
	// Create mock I2CInterface
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(false));
	EXPECT_CALL(*i2cInterface, close).Times(0);

	// Create Device
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(i2cInterface)};

	// Close Device
	journal::clear();
	device.close();
	EXPECT_EQ(journal::getErrMessages().size(), 0);
	}

	// Test where works: I2C interface is open
	{
	// Create mock I2CInterface
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(true));
	EXPECT_CALL(*i2cInterface, close).Times(1);

	// Create Device
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(i2cInterface)};

	// Close Device
	journal::clear();
	device.close();
	EXPECT_EQ(journal::getErrMessages().size(), 0);
	}

	// Test where fails: closing I2C interface fails
	{
	// Create mock I2CInterface
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(true));
	EXPECT_CALL(*i2cInterface, close)
	.Times(1)
	.WillOnce(Throw(
	i2c::I2CException{"Failed to close", "/dev/i2c-1", 0x70}));

	// Create Device
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(i2cInterface)};

	// Close Device
	journal::clear();
	device.close();
	std::vector<std::string> expectedErrMessages{
	"I2CException: Failed to close: bus /dev/i2c-1, addr 0x70",
	"Unable to close device vdd_reg"};
	EXPECT_EQ(journal::getErrMessages(), expectedErrMessages);
	}
	}

	TEST(DeviceTests, Configure)
	{
	// Test where Configuration and Rails were not specified in constructor
	{
	// Create Device
	std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
	std::unique_ptr<Device> device = std::make_unique<Device>(
	"reg1", true, "/system/chassis/motherboard/reg1",
	std::move(i2cInterface));
	Device* devicePtr = device.get();

	// Create Chassis that contains Device
	std::vector<std::unique_ptr<Device>> devices{};
	devices.emplace_back(std::move(device));
	std::unique_ptr<Chassis> chassis =
	std::make_unique<Chassis>(1, std::move(devices));
	Chassis* chassisPtr = chassis.get();

	// Create System that contains Chassis
	std::vector<std::unique_ptr<Rule>> rules{};
	std::vector<std::unique_ptr<Chassis>> chassisVec{};
	chassisVec.emplace_back(std::move(chassis));
	System system{std::move(rules), std::move(chassisVec)};

	// Call configure(). Should do nothing.
	journal::clear();
	devicePtr->configure(system, *chassisPtr);
	EXPECT_EQ(journal::getDebugMessages().size(), 0);
	EXPECT_EQ(journal::getErrMessages().size(), 0);
	}

	// Test where Configuration and Rails were specified in constructor
	{
	std::vector<std::unique_ptr<Rail>> rails{};

	// Create Rail vdd0
	{
	// Create Configuration for Rail
	std::optional<double> volts{1.3};
	std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
	EXPECT_CALL(*action, execute).Times(1).WillOnce(Return(true));
	std::vector<std::unique_ptr<Action>> actions{};
	actions.emplace_back(std::move(action));
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(volts, std::move(actions));

	// Create Rail
	std::unique_ptr<Rail> rail =
	std::make_unique<Rail>("vdd0", std::move(configuration));
	rails.emplace_back(std::move(rail));
	}

	// Create Rail vio0
	{
	// Create Configuration for Rail
	std::optional<double> volts{3.2};
	std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
	EXPECT_CALL(*action, execute).Times(1).WillOnce(Return(true));
	std::vector<std::unique_ptr<Action>> actions{};
	actions.emplace_back(std::move(action));
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(volts, std::move(actions));

	// Create Rail
	std::unique_ptr<Rail> rail =
	std::make_unique<Rail>("vio0", std::move(configuration));
	rails.emplace_back(std::move(rail));
	}

	// Create Configuration for Device
	std::optional<double> volts{};
	std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
	EXPECT_CALL(*action, execute).Times(1).WillOnce(Return(true));
	std::vector<std::unique_ptr<Action>> actions{};
	actions.emplace_back(std::move(action));
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(volts, std::move(actions));

	// Create Device
	std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Device> device = std::make_unique<Device>(
	"reg1", true, "/system/chassis/motherboard/reg1",
	std::move(i2cInterface), std::move(presenceDetection),
	std::move(configuration), std::move(rails));
	Device* devicePtr = device.get();

	// Create Chassis that contains Device
	std::vector<std::unique_ptr<Device>> devices{};
	devices.emplace_back(std::move(device));
	std::unique_ptr<Chassis> chassis =
	std::make_unique<Chassis>(1, std::move(devices));
	Chassis* chassisPtr = chassis.get();

	// Create System that contains Chassis
	std::vector<std::unique_ptr<Rule>> rules{};
	std::vector<std::unique_ptr<Chassis>> chassisVec{};
	chassisVec.emplace_back(std::move(chassis));
	System system{std::move(rules), std::move(chassisVec)};

	// Call configure(). For the Device and both Rails, should execute the
	// Configuration and log a debug message.
	journal::clear();
	devicePtr->configure(system, *chassisPtr);
	std::vector<std::string> expectedDebugMessages{
	"Configuring reg1", "Configuring vdd0: volts=1.300000",
	"Configuring vio0: volts=3.200000"};
	EXPECT_EQ(journal::getDebugMessages(), expectedDebugMessages);
	EXPECT_EQ(journal::getErrMessages().size(), 0);
	}
	}

	TEST(DeviceTests, GetConfiguration)
	{
	// Test where Configuration was not specified in constructor
	{
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface())};
	EXPECT_EQ(device.getConfiguration(), nullptr);
	}

	// Test where Configuration was specified in constructor
	{
	std::unique_ptr<PresenceDetection> presenceDetection{};

	// Create Configuration
	std::optional<double> volts{3.2};
	std::vector<std::unique_ptr<Action>> actions{};
	actions.push_back(std::make_unique<MockAction>());
	actions.push_back(std::make_unique<MockAction>());
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(volts, std::move(actions));

	// Create Device
	Device device{"vdd_reg",
	true,
	"/system/chassis/motherboard/reg2",
	std::move(createI2CInterface()),
	std::move(presenceDetection),
	std::move(configuration)};
	EXPECT_NE(device.getConfiguration(), nullptr);
	EXPECT_EQ(device.getConfiguration()->getVolts().has_value(), true);
	EXPECT_EQ(device.getConfiguration()->getVolts().value(), 3.2);
	EXPECT_EQ(device.getConfiguration()->getActions().size(), 2);
	}
	}

	TEST(DeviceTests, GetFRU)
	{
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface())};
	EXPECT_EQ(device.getFRU(), "/system/chassis/motherboard/reg2");
	}

	TEST(DeviceTests, GetI2CInterface)
	{
	std::unique_ptr<i2c::I2CInterface> i2cInterface = createI2CInterface();
	i2c::I2CInterface* i2cInterfacePtr = i2cInterface.get();
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(i2cInterface)};
	EXPECT_EQ(&(device.getI2CInterface()), i2cInterfacePtr);
	}

	TEST(DeviceTests, GetID)
	{
	Device device{"vdd_reg", false, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface())};
	EXPECT_EQ(device.getID(), "vdd_reg");
	}

	TEST(DeviceTests, GetPresenceDetection)
	{
	// Test where PresenceDetection was not specified in constructor
	{
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface())};
	EXPECT_EQ(device.getPresenceDetection(), nullptr);
	}

	// Test where PresenceDetection was specified in constructor
	{
	// Create PresenceDetection
	std::vector<std::unique_ptr<Action>> actions{};
	actions.push_back(std::make_unique<MockAction>());
	std::unique_ptr<PresenceDetection> presenceDetection =
	std::make_unique<PresenceDetection>(std::move(actions));

	// Create Device
	Device device{"vdd_reg", false, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface()),
	std::move(presenceDetection)};
	EXPECT_NE(device.getPresenceDetection(), nullptr);
	EXPECT_EQ(device.getPresenceDetection()->getActions().size(), 1);
	}
	}

	TEST(DeviceTests, GetRails)
	{
	// Test where no rails were specified in constructor
	{
	Device device{"vdd_reg", true, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface())};
	EXPECT_EQ(device.getRails().size(), 0);
	}

	// Test where rails were specified in constructor
	{
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> configuration{};

	// Create vector of Rail objects
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.push_back(std::make_unique<Rail>("vdd0"));
	rails.push_back(std::make_unique<Rail>("vdd1"));

	// Create Device
	Device device{"vdd_reg",
	false,
	"/system/chassis/motherboard/reg2",
	std::move(createI2CInterface()),
	std::move(presenceDetection),
	std::move(configuration),
	std::move(rails)};
	EXPECT_EQ(device.getRails().size(), 2);
	EXPECT_EQ(device.getRails()[0]->getID(), "vdd0");
	EXPECT_EQ(device.getRails()[1]->getID(), "vdd1");
	}
	}

	TEST(DeviceTests, IsRegulator)
	{
	Device device{"vdd_reg", false, "/system/chassis/motherboard/reg2",
	std::move(createI2CInterface())};
	EXPECT_EQ(device.isRegulator(), false);
	}