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

 /**
  * Copyright © 2020 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 "mock_journal.hpp"
 #include "mock_services.hpp"
 #include "mocked_i2c_interface.hpp"
 #include "pmbus_read_sensor_action.hpp"
 #include "presence_detection.hpp"
 #include "rail.hpp"
 #include "rule.hpp"
 #include "system.hpp"
 #include "test_utils.hpp"

 #include <memory>
 #include <stdexcept>
 #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::A;
 using ::testing::Return;
 using ::testing::TypedEq;

 TEST(ChassisTests, Constructor)
 {
     // Test where works: Only required parameters are specified
     {
         Chassis chassis{2};
         EXPECT_EQ(chassis.getNumber(), 2);
         EXPECT_EQ(chassis.getDevices().size(), 0);
     }

     // Test where works: All parameters are specified
     {
         // Create vector of Device objects
         std::vector<std::unique_ptr<Device>> devices{};
         devices.emplace_back(createDevice("vdd_reg1"));
         devices.emplace_back(createDevice("vdd_reg2"));

         // Create Chassis
         Chassis chassis{1, std::move(devices)};
         EXPECT_EQ(chassis.getNumber(), 1);
         EXPECT_EQ(chassis.getDevices().size(), 2);
     }

     // Test where fails: Invalid chassis number < 1
     try
     {
         Chassis chassis{0};
         ADD_FAILURE() << "Should not have reached this line.";
     }
     catch (const std::invalid_argument& e)
     {
         EXPECT_STREQ(e.what(), "Invalid chassis number: 0");
     }
     catch (...)
     {
         ADD_FAILURE() << "Should not have caught exception.";
     }
 }

 TEST(ChassisTests, AddToIDMap)
 {
     // Create vector of Device objects
     std::vector<std::unique_ptr<Device>> devices{};
     devices.emplace_back(createDevice("reg1", {"rail1"}));
     devices.emplace_back(createDevice("reg2", {"rail2a", "rail2b"}));
     devices.emplace_back(createDevice("reg3"));

     // Create Chassis
     Chassis chassis{1, std::move(devices)};

     // Add Device and Rail objects within the Chassis to an IDMap
     IDMap idMap{};
     chassis.addToIDMap(idMap);

     // Verify all Devices are in the IDMap
     EXPECT_NO_THROW(idMap.getDevice("reg1"));
     EXPECT_NO_THROW(idMap.getDevice("reg2"));
     EXPECT_NO_THROW(idMap.getDevice("reg3"));
     EXPECT_THROW(idMap.getDevice("reg4"), std::invalid_argument);

     // Verify all Rails are in the IDMap
     EXPECT_NO_THROW(idMap.getRail("rail1"));
     EXPECT_NO_THROW(idMap.getRail("rail2a"));
     EXPECT_NO_THROW(idMap.getRail("rail2b"));
     EXPECT_THROW(idMap.getRail("rail3"), std::invalid_argument);
 }

 TEST(ChassisTests, CloseDevices)
 {
     // Test where no devices were specified in constructor
     {
         // Create mock services.  Expect logDebug() to be called.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logDebug("Closing devices in chassis 2")).Times(1);

         // Create Chassis
         Chassis chassis{2};

         // Call closeDevices()
         chassis.closeDevices(services);
     }

     // Test where devices were specified in constructor
     {
         std::vector<std::unique_ptr<Device>> devices{};

         // Create mock services.  Expect logDebug() to be called.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logDebug("Closing devices in chassis 1")).Times(1);

         // Create Device vdd0_reg
         {
             // Create mock I2CInterface: isOpen() and close() should be called
             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
             std::unique_ptr<Device> device =
                 std::make_unique<Device>("vdd0_reg", true,
                                          "/xyz/openbmc_project/inventory/"
                                          "system/chassis/motherboard/vdd0_reg",
                                          std::move(i2cInterface));
             devices.emplace_back(std::move(device));
         }

         // Create Device vdd1_reg
         {
             // Create mock I2CInterface: isOpen() and close() should be called
             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
             std::unique_ptr<Device> device =
                 std::make_unique<Device>("vdd1_reg", true,
                                          "/xyz/openbmc_project/inventory/"
                                          "system/chassis/motherboard/vdd1_reg",
                                          std::move(i2cInterface));
             devices.emplace_back(std::move(device));
         }

         // Create Chassis
         Chassis chassis{1, std::move(devices)};

         // Call closeDevices()
         chassis.closeDevices(services);
     }
 }

 TEST(ChassisTests, Configure)
 {
     // Test where no devices were specified in constructor
     {
         // Create mock services.  Expect logInfo() to be called.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logInfo("Configuring chassis 1")).Times(1);
         EXPECT_CALL(journal, logDebug(A<const std::string&>())).Times(0);
         EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

         // Create Chassis
         std::unique_ptr<Chassis> chassis = std::make_unique<Chassis>(1);
         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()
         chassisPtr->configure(services, system);
     }

     // Test where devices were specified in constructor
     {
         std::vector<std::unique_ptr<Device>> devices{};

         // Create mock services.  Expect logInfo() and logDebug() to be called.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logInfo("Configuring chassis 2")).Times(1);
         EXPECT_CALL(journal, logDebug("Configuring vdd0_reg: volts=1.300000"))
             .Times(1);
         EXPECT_CALL(journal, logDebug("Configuring vdd1_reg: volts=1.200000"))
             .Times(1);
         EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

         // Create Device vdd0_reg
         {
             // Create Configuration
             std::vector<std::unique_ptr<Action>> actions{};
             std::unique_ptr<Configuration> configuration =
                 std::make_unique<Configuration>(1.3, 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>(
                 "vdd0_reg", true,
                 "/xyz/openbmc_project/inventory/system/chassis/motherboard/"
                 "vdd0_reg",
                 std::move(i2cInterface), std::move(presenceDetection),
                 std::move(configuration));
             devices.emplace_back(std::move(device));
         }

         // Create Device vdd1_reg
         {
             // Create Configuration
             std::vector<std::unique_ptr<Action>> actions{};
             std::unique_ptr<Configuration> configuration =
                 std::make_unique<Configuration>(1.2, 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>(
                 "vdd1_reg", true,
                 "/xyz/openbmc_project/inventory/system/chassis/motherboard/"
                 "vdd1_reg",
                 std::move(i2cInterface), std::move(presenceDetection),
                 std::move(configuration));
             devices.emplace_back(std::move(device));
         }

         // Create Chassis
         std::unique_ptr<Chassis> chassis =
             std::make_unique<Chassis>(2, 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()
         chassisPtr->configure(services, system);
     }
 }

 TEST(ChassisTests, GetDevices)
 {
     // Test where no devices were specified in constructor
     {
         Chassis chassis{2};
         EXPECT_EQ(chassis.getDevices().size(), 0);
     }

     // Test where devices were specified in constructor
     {
         // Create vector of Device objects
         std::vector<std::unique_ptr<Device>> devices{};
         devices.emplace_back(createDevice("vdd_reg1"));
         devices.emplace_back(createDevice("vdd_reg2"));

         // Create Chassis
         Chassis chassis{1, std::move(devices)};
         EXPECT_EQ(chassis.getDevices().size(), 2);
         EXPECT_EQ(chassis.getDevices()[0]->getID(), "vdd_reg1");
         EXPECT_EQ(chassis.getDevices()[1]->getID(), "vdd_reg2");
     }
 }

 TEST(ChassisTests, GetNumber)
 {
     Chassis chassis{3};
     EXPECT_EQ(chassis.getNumber(), 3);
 }

 TEST(ChassisTests, MonitorSensors)
 {
     // Test where no devices were specified in constructor
     {
         // Create mock services.  No logging should occur.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logDebug(A<const std::string&>())).Times(0);
         EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

         // Create Chassis
         std::vector<std::unique_ptr<Device>> devices{};
         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 monitorSensors().  Should do nothing.
         chassisPtr->monitorSensors(services, system);
     }

     // Test where devices were specified in constructor
     {
         // Create mock services.  No logging should occur.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logDebug(A<const std::string&>())).Times(0);
         EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

         std::vector<std::unique_ptr<Device>> devices{};

         // Create PMBusReadSensorAction
         pmbus_utils::SensorValueType type{pmbus_utils::SensorValueType::iout};
         uint8_t command = 0x8C;
         pmbus_utils::SensorDataFormat format{
             pmbus_utils::SensorDataFormat::linear_11};
         std::optional<int8_t> exponent{};
         std::unique_ptr<PMBusReadSensorAction> action =
             std::make_unique<PMBusReadSensorAction>(type, command, format,
                                                     exponent);

         // Create mock I2CInterface.  A two-byte read should occur.
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(true));
         EXPECT_CALL(*i2cInterface, read(TypedEq<uint8_t>(0x8C), A<uint16_t&>()))
             .Times(1);

         // Create SensorMonitoring
         std::vector<std::unique_ptr<Action>> actions{};
         actions.emplace_back(std::move(action));
         std::unique_ptr<SensorMonitoring> sensorMonitoring =
             std::make_unique<SensorMonitoring>(std::move(actions));

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

         // Create Device
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
         std::unique_ptr<Device> device = std::make_unique<Device>(
             "reg1", true,
             "/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
             std::move(i2cInterface), std::move(presenceDetection),
             std::move(deviceConfiguration), std::move(rails));

         // Create Chassis
         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 monitorSensors()
         chassisPtr->monitorSensors(services, system);
     }
 }
	/**
	* Copyright © 2020 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 "mock_journal.hpp"
	#include "mock_services.hpp"
	#include "mocked_i2c_interface.hpp"
	#include "pmbus_read_sensor_action.hpp"
	#include "presence_detection.hpp"
	#include "rail.hpp"
	#include "rule.hpp"
	#include "system.hpp"
	#include "test_utils.hpp"

	#include <memory>
	#include <stdexcept>
	#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::A;
	using ::testing::Return;
	using ::testing::TypedEq;

	TEST(ChassisTests, Constructor)
	{
	// Test where works: Only required parameters are specified
	{
	Chassis chassis{2};
	EXPECT_EQ(chassis.getNumber(), 2);
	EXPECT_EQ(chassis.getDevices().size(), 0);
	}

	// Test where works: All parameters are specified
	{
	// Create vector of Device objects
	std::vector<std::unique_ptr<Device>> devices{};
	devices.emplace_back(createDevice("vdd_reg1"));
	devices.emplace_back(createDevice("vdd_reg2"));

	// Create Chassis
	Chassis chassis{1, std::move(devices)};
	EXPECT_EQ(chassis.getNumber(), 1);
	EXPECT_EQ(chassis.getDevices().size(), 2);
	}

	// Test where fails: Invalid chassis number < 1
	try
	{
	Chassis chassis{0};
	ADD_FAILURE() << "Should not have reached this line.";
	}
	catch (const std::invalid_argument& e)
	{
	EXPECT_STREQ(e.what(), "Invalid chassis number: 0");
	}
	catch (...)
	{
	ADD_FAILURE() << "Should not have caught exception.";
	}
	}

	TEST(ChassisTests, AddToIDMap)
	{
	// Create vector of Device objects
	std::vector<std::unique_ptr<Device>> devices{};
	devices.emplace_back(createDevice("reg1", {"rail1"}));
	devices.emplace_back(createDevice("reg2", {"rail2a", "rail2b"}));
	devices.emplace_back(createDevice("reg3"));

	// Create Chassis
	Chassis chassis{1, std::move(devices)};

	// Add Device and Rail objects within the Chassis to an IDMap
	IDMap idMap{};
	chassis.addToIDMap(idMap);

	// Verify all Devices are in the IDMap
	EXPECT_NO_THROW(idMap.getDevice("reg1"));
	EXPECT_NO_THROW(idMap.getDevice("reg2"));
	EXPECT_NO_THROW(idMap.getDevice("reg3"));
	EXPECT_THROW(idMap.getDevice("reg4"), std::invalid_argument);

	// Verify all Rails are in the IDMap
	EXPECT_NO_THROW(idMap.getRail("rail1"));
	EXPECT_NO_THROW(idMap.getRail("rail2a"));
	EXPECT_NO_THROW(idMap.getRail("rail2b"));
	EXPECT_THROW(idMap.getRail("rail3"), std::invalid_argument);
	}

	TEST(ChassisTests, CloseDevices)
	{
	// Test where no devices were specified in constructor
	{
	// Create mock services. Expect logDebug() to be called.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logDebug("Closing devices in chassis 2")).Times(1);

	// Create Chassis
	Chassis chassis{2};

	// Call closeDevices()
	chassis.closeDevices(services);
	}

	// Test where devices were specified in constructor
	{
	std::vector<std::unique_ptr<Device>> devices{};

	// Create mock services. Expect logDebug() to be called.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logDebug("Closing devices in chassis 1")).Times(1);

	// Create Device vdd0_reg
	{
	// Create mock I2CInterface: isOpen() and close() should be called
	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
	std::unique_ptr<Device> device =
	std::make_unique<Device>("vdd0_reg", true,
	"/xyz/openbmc_project/inventory/"
	"system/chassis/motherboard/vdd0_reg",
	std::move(i2cInterface));
	devices.emplace_back(std::move(device));
	}

	// Create Device vdd1_reg
	{
	// Create mock I2CInterface: isOpen() and close() should be called
	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
	std::unique_ptr<Device> device =
	std::make_unique<Device>("vdd1_reg", true,
	"/xyz/openbmc_project/inventory/"
	"system/chassis/motherboard/vdd1_reg",
	std::move(i2cInterface));
	devices.emplace_back(std::move(device));
	}

	// Create Chassis
	Chassis chassis{1, std::move(devices)};

	// Call closeDevices()
	chassis.closeDevices(services);
	}
	}

	TEST(ChassisTests, Configure)
	{
	// Test where no devices were specified in constructor
	{
	// Create mock services. Expect logInfo() to be called.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logInfo("Configuring chassis 1")).Times(1);
	EXPECT_CALL(journal, logDebug(A<const std::string&>())).Times(0);
	EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

	// Create Chassis
	std::unique_ptr<Chassis> chassis = std::make_unique<Chassis>(1);
	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()
	chassisPtr->configure(services, system);
	}

	// Test where devices were specified in constructor
	{
	std::vector<std::unique_ptr<Device>> devices{};

	// Create mock services. Expect logInfo() and logDebug() to be called.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logInfo("Configuring chassis 2")).Times(1);
	EXPECT_CALL(journal, logDebug("Configuring vdd0_reg: volts=1.300000"))
	.Times(1);
	EXPECT_CALL(journal, logDebug("Configuring vdd1_reg: volts=1.200000"))
	.Times(1);
	EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

	// Create Device vdd0_reg
	{
	// Create Configuration
	std::vector<std::unique_ptr<Action>> actions{};
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(1.3, 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>(
	"vdd0_reg", true,
	"/xyz/openbmc_project/inventory/system/chassis/motherboard/"
	"vdd0_reg",
	std::move(i2cInterface), std::move(presenceDetection),
	std::move(configuration));
	devices.emplace_back(std::move(device));
	}

	// Create Device vdd1_reg
	{
	// Create Configuration
	std::vector<std::unique_ptr<Action>> actions{};
	std::unique_ptr<Configuration> configuration =
	std::make_unique<Configuration>(1.2, 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>(
	"vdd1_reg", true,
	"/xyz/openbmc_project/inventory/system/chassis/motherboard/"
	"vdd1_reg",
	std::move(i2cInterface), std::move(presenceDetection),
	std::move(configuration));
	devices.emplace_back(std::move(device));
	}

	// Create Chassis
	std::unique_ptr<Chassis> chassis =
	std::make_unique<Chassis>(2, 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()
	chassisPtr->configure(services, system);
	}
	}

	TEST(ChassisTests, GetDevices)
	{
	// Test where no devices were specified in constructor
	{
	Chassis chassis{2};
	EXPECT_EQ(chassis.getDevices().size(), 0);
	}

	// Test where devices were specified in constructor
	{
	// Create vector of Device objects
	std::vector<std::unique_ptr<Device>> devices{};
	devices.emplace_back(createDevice("vdd_reg1"));
	devices.emplace_back(createDevice("vdd_reg2"));

	// Create Chassis
	Chassis chassis{1, std::move(devices)};
	EXPECT_EQ(chassis.getDevices().size(), 2);
	EXPECT_EQ(chassis.getDevices()[0]->getID(), "vdd_reg1");
	EXPECT_EQ(chassis.getDevices()[1]->getID(), "vdd_reg2");
	}
	}

	TEST(ChassisTests, GetNumber)
	{
	Chassis chassis{3};
	EXPECT_EQ(chassis.getNumber(), 3);
	}

	TEST(ChassisTests, MonitorSensors)
	{
	// Test where no devices were specified in constructor
	{
	// Create mock services. No logging should occur.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logDebug(A<const std::string&>())).Times(0);
	EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

	// Create Chassis
	std::vector<std::unique_ptr<Device>> devices{};
	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 monitorSensors(). Should do nothing.
	chassisPtr->monitorSensors(services, system);
	}

	// Test where devices were specified in constructor
	{
	// Create mock services. No logging should occur.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logDebug(A<const std::string&>())).Times(0);
	EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

	std::vector<std::unique_ptr<Device>> devices{};

	// Create PMBusReadSensorAction
	pmbus_utils::SensorValueType type{pmbus_utils::SensorValueType::iout};
	uint8_t command = 0x8C;
	pmbus_utils::SensorDataFormat format{
	pmbus_utils::SensorDataFormat::linear_11};
	std::optional<int8_t> exponent{};
	std::unique_ptr<PMBusReadSensorAction> action =
	std::make_unique<PMBusReadSensorAction>(type, command, format,
	exponent);

	// Create mock I2CInterface. A two-byte read should occur.
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	EXPECT_CALL(*i2cInterface, isOpen).Times(1).WillOnce(Return(true));
	EXPECT_CALL(*i2cInterface, read(TypedEq<uint8_t>(0x8C), A<uint16_t&>()))
	.Times(1);

	// Create SensorMonitoring
	std::vector<std::unique_ptr<Action>> actions{};
	actions.emplace_back(std::move(action));
	std::unique_ptr<SensorMonitoring> sensorMonitoring =
	std::make_unique<SensorMonitoring>(std::move(actions));

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

	// Create Device
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> deviceConfiguration{};
	std::unique_ptr<Device> device = std::make_unique<Device>(
	"reg1", true,
	"/xyz/openbmc_project/inventory/system/chassis/motherboard/reg1",
	std::move(i2cInterface), std::move(presenceDetection),
	std::move(deviceConfiguration), std::move(rails));

	// Create Chassis
	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 monitorSensors()
	chassisPtr->monitorSensors(services, system);
	}
	}