phosphor-regulators/test/rail_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 "mock_action.hpp"
 #include "mock_error_logging.hpp"
 #include "mock_journal.hpp"
 #include "mock_sensors.hpp"
 #include "mock_services.hpp"
 #include "mocked_i2c_interface.hpp"
 #include "phase_fault_detection.hpp"
 #include "presence_detection.hpp"
 #include "rail.hpp"
 #include "rule.hpp"
 #include "sensor_monitoring.hpp"
 #include "sensors.hpp"
 #include "system.hpp"
 #include "test_sdbus_error.hpp"

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

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

 using namespace phosphor::power::regulators;

 using ::testing::A;
 using ::testing::Return;
 using ::testing::Throw;
 using ::testing::TypedEq;

 static const std::string chassisInvPath{
     "/xyz/openbmc_project/inventory/system/chassis"};

 TEST(RailTests, Constructor)
 {
     // Test where only required parameters are specified
     {
         Rail rail{"vdd0"};
         EXPECT_EQ(rail.getID(), "vdd0");
         EXPECT_EQ(rail.getConfiguration(), nullptr);
         EXPECT_EQ(rail.getSensorMonitoring(), nullptr);
     }

     // Test where all parameters are specified
     {
         // Create Configuration
         std::optional<double> volts{1.3};
         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 SensorMonitoring
         actions.clear();
         actions.push_back(std::make_unique<MockAction>());
         std::unique_ptr<SensorMonitoring> sensorMonitoring =
             std::make_unique<SensorMonitoring>(std::move(actions));

         // Create Rail
         Rail rail{"vddr1", std::move(configuration),
                   std::move(sensorMonitoring)};
         EXPECT_EQ(rail.getID(), "vddr1");
         EXPECT_NE(rail.getConfiguration(), nullptr);
         EXPECT_EQ(rail.getConfiguration()->getVolts().has_value(), true);
         EXPECT_EQ(rail.getConfiguration()->getVolts().value(), 1.3);
         EXPECT_EQ(rail.getConfiguration()->getActions().size(), 2);
         EXPECT_NE(rail.getSensorMonitoring(), nullptr);
         EXPECT_EQ(rail.getSensorMonitoring()->getActions().size(), 1);
     }
 }

 TEST(RailTests, ClearErrorHistory)
 {
     // Create SensorMonitoring.  Will fail with a DBus exception.
     std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
     EXPECT_CALL(*action, execute)
         .WillRepeatedly(Throw(TestSDBusError{"Unable to set sensor value"}));
     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::unique_ptr<Configuration> configuration{};
     std::unique_ptr<Rail> rail = std::make_unique<Rail>(
         "vddr1", std::move(configuration), std::move(sensorMonitoring));
     Rail* railPtr = rail.get();

     // Create Device that contains Rail
     std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
         std::make_unique<i2c::MockedI2CInterface>();
     std::unique_ptr<PresenceDetection> presenceDetection{};
     std::unique_ptr<Configuration> deviceConfiguration{};
     std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
     std::vector<std::unique_ptr<Rail>> rails{};
     rails.emplace_back(std::move(rail));
     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(phaseFaultDetection),
         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, chassisInvPath, 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)};

     // Create lambda that sets MockServices expectations.  The lambda allows
     // us to set expectations multiple times without duplicate code.
     auto setExpectations = [](MockServices& services) {
         // Expect Sensors service to be called 10 times
         MockSensors& sensors = services.getMockSensors();
         EXPECT_CALL(sensors, startRail).Times(10);
         EXPECT_CALL(sensors, setValue).Times(0);
         EXPECT_CALL(sensors, endRail(true)).Times(10);

         // Expect Journal service to be called 6 times to log error messages
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logError(A<const std::vector<std::string>&>()))
             .Times(6);
         EXPECT_CALL(journal, logError(A<const std::string&>())).Times(6);

         // Expect ErrorLogging service to be called once to log a DBus error
         MockErrorLogging& errorLogging = services.getMockErrorLogging();
         EXPECT_CALL(errorLogging, logDBusError).Times(1);
     };

     // Monitor sensors 10 times.  Verify errors logged.
     {
         // Create mock services.  Set expectations via lambda.
         MockServices services{};
         setExpectations(services);

         for (int i = 1; i <= 10; ++i)
         {
             railPtr->monitorSensors(services, system, *chassisPtr, *devicePtr);
         }
     }

     // Clear error history
     railPtr->clearErrorHistory();

     // Monitor sensors 10 more times.  Verify errors logged again.
     {
         // Create mock services.  Set expectations via lambda.
         MockServices services{};
         setExpectations(services);

         for (int i = 1; i <= 10; ++i)
         {
             railPtr->monitorSensors(services, system, *chassisPtr, *devicePtr);
         }
     }
 }

 TEST(RailTests, Configure)
 {
     // Test where Configuration was not 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 Rail
         std::unique_ptr<Rail> rail = std::make_unique<Rail>("vdd0");
         Rail* railPtr = rail.get();

         // Create Device that contains Rail
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
         std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         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(phaseFaultDetection),
             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, chassisInvPath, 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().
         railPtr->configure(services, system, *chassisPtr, *devicePtr);
     }

     // Test where Configuration was specified in constructor
     {
         // Create mock services.  Expect logDebug() to be called.
         MockServices services{};
         MockJournal& journal = services.getMockJournal();
         EXPECT_CALL(journal, logDebug("Configuring vddr1: volts=1.300000"))
             .Times(1);
         EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

         // Create Configuration
         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>("vddr1", std::move(configuration));
         Rail* railPtr = rail.get();

         // Create Device that contains Rail
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
         std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         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(phaseFaultDetection),
             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, chassisInvPath, 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().
         railPtr->configure(services, system, *chassisPtr, *devicePtr);
     }
 }

 TEST(RailTests, GetConfiguration)
 {
     // Test where Configuration was not specified in constructor
     {
         Rail rail{"vdd0"};
         EXPECT_EQ(rail.getConfiguration(), nullptr);
     }

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

         // Create Rail
         Rail rail{"vddr1", std::move(configuration)};
         EXPECT_NE(rail.getConfiguration(), nullptr);
         EXPECT_EQ(rail.getConfiguration()->getVolts().has_value(), true);
         EXPECT_EQ(rail.getConfiguration()->getVolts().value(), 3.2);
         EXPECT_EQ(rail.getConfiguration()->getActions().size(), 1);
     }
 }

 TEST(RailTests, GetID)
 {
     Rail rail{"vio2"};
     EXPECT_EQ(rail.getID(), "vio2");
 }

 TEST(RailTests, MonitorSensors)
 {
     // Test where SensorMonitoring was not specified in constructor
     {
         // Create mock services.  No Sensors methods should be called.
         MockServices services{};
         MockSensors& sensors = services.getMockSensors();
         EXPECT_CALL(sensors, startRail).Times(0);
         EXPECT_CALL(sensors, setValue).Times(0);
         EXPECT_CALL(sensors, endRail).Times(0);

         // Create Rail
         std::unique_ptr<Rail> rail = std::make_unique<Rail>("vdd0");
         Rail* railPtr = rail.get();

         // Create Device that contains Rail
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
         std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         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(phaseFaultDetection),
             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, chassisInvPath, 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()
         railPtr->monitorSensors(services, system, *chassisPtr, *devicePtr);
     }

     // Test where SensorMonitoring was specified in constructor
     {
         // Create mock services.  Set Sensors service expectations.
         MockServices services{};
         MockSensors& sensors = services.getMockSensors();
         EXPECT_CALL(sensors,
                     startRail("vddr1",
                               "/xyz/openbmc_project/inventory/system/chassis/"
                               "motherboard/reg1",
                               chassisInvPath))
             .Times(1);
         EXPECT_CALL(sensors, setValue).Times(0);
         EXPECT_CALL(sensors, endRail(false)).Times(1);

         // Create SensorMonitoring
         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<SensorMonitoring> sensorMonitoring =
             std::make_unique<SensorMonitoring>(std::move(actions));

         // Create Rail
         std::unique_ptr<Configuration> configuration{};
         std::unique_ptr<Rail> rail = std::make_unique<Rail>(
             "vddr1", std::move(configuration), std::move(sensorMonitoring));
         Rail* railPtr = rail.get();

         // Create Device that contains Rail
         std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
             std::make_unique<i2c::MockedI2CInterface>();
         std::unique_ptr<PresenceDetection> presenceDetection{};
         std::unique_ptr<Configuration> deviceConfiguration{};
         std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
         std::vector<std::unique_ptr<Rail>> rails{};
         rails.emplace_back(std::move(rail));
         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(phaseFaultDetection),
             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, chassisInvPath, 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()
         railPtr->monitorSensors(services, system, *chassisPtr, *devicePtr);
     }
 }

 TEST(RailTests, GetSensorMonitoring)
 {
     // Test where SensorMonitoring was not specified in constructor
     {
         Rail rail{"vdd0", nullptr, nullptr};
         EXPECT_EQ(rail.getSensorMonitoring(), nullptr);
     }

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

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

         // Create Rail
         Rail rail{"vddr1", std::move(configuration),
                   std::move(sensorMonitoring)};
         EXPECT_NE(rail.getSensorMonitoring(), nullptr);
         EXPECT_EQ(rail.getSensorMonitoring()->getActions().size(), 2);
     }
 }
	/**
	* 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 "mock_action.hpp"
	#include "mock_error_logging.hpp"
	#include "mock_journal.hpp"
	#include "mock_sensors.hpp"
	#include "mock_services.hpp"
	#include "mocked_i2c_interface.hpp"
	#include "phase_fault_detection.hpp"
	#include "presence_detection.hpp"
	#include "rail.hpp"
	#include "rule.hpp"
	#include "sensor_monitoring.hpp"
	#include "sensors.hpp"
	#include "system.hpp"
	#include "test_sdbus_error.hpp"

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

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

	using namespace phosphor::power::regulators;

	using ::testing::A;
	using ::testing::Return;
	using ::testing::Throw;
	using ::testing::TypedEq;

	static const std::string chassisInvPath{
	"/xyz/openbmc_project/inventory/system/chassis"};

	TEST(RailTests, Constructor)
	{
	// Test where only required parameters are specified
	{
	Rail rail{"vdd0"};
	EXPECT_EQ(rail.getID(), "vdd0");
	EXPECT_EQ(rail.getConfiguration(), nullptr);
	EXPECT_EQ(rail.getSensorMonitoring(), nullptr);
	}

	// Test where all parameters are specified
	{
	// Create Configuration
	std::optional<double> volts{1.3};
	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 SensorMonitoring
	actions.clear();
	actions.push_back(std::make_unique<MockAction>());
	std::unique_ptr<SensorMonitoring> sensorMonitoring =
	std::make_unique<SensorMonitoring>(std::move(actions));

	// Create Rail
	Rail rail{"vddr1", std::move(configuration),
	std::move(sensorMonitoring)};
	EXPECT_EQ(rail.getID(), "vddr1");
	EXPECT_NE(rail.getConfiguration(), nullptr);
	EXPECT_EQ(rail.getConfiguration()->getVolts().has_value(), true);
	EXPECT_EQ(rail.getConfiguration()->getVolts().value(), 1.3);
	EXPECT_EQ(rail.getConfiguration()->getActions().size(), 2);
	EXPECT_NE(rail.getSensorMonitoring(), nullptr);
	EXPECT_EQ(rail.getSensorMonitoring()->getActions().size(), 1);
	}
	}

	TEST(RailTests, ClearErrorHistory)
	{
	// Create SensorMonitoring. Will fail with a DBus exception.
	std::unique_ptr<MockAction> action = std::make_unique<MockAction>();
	EXPECT_CALL(*action, execute)
	.WillRepeatedly(Throw(TestSDBusError{"Unable to set sensor value"}));
	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::unique_ptr<Configuration> configuration{};
	std::unique_ptr<Rail> rail = std::make_unique<Rail>(
	"vddr1", std::move(configuration), std::move(sensorMonitoring));
	Rail* railPtr = rail.get();

	// Create Device that contains Rail
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> deviceConfiguration{};
	std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.emplace_back(std::move(rail));
	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(phaseFaultDetection),
	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, chassisInvPath, 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)};

	// Create lambda that sets MockServices expectations. The lambda allows
	// us to set expectations multiple times without duplicate code.
	auto setExpectations = [](MockServices& services) {
	// Expect Sensors service to be called 10 times
	MockSensors& sensors = services.getMockSensors();
	EXPECT_CALL(sensors, startRail).Times(10);
	EXPECT_CALL(sensors, setValue).Times(0);
	EXPECT_CALL(sensors, endRail(true)).Times(10);

	// Expect Journal service to be called 6 times to log error messages
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logError(A<const std::vector<std::string>&>()))
	.Times(6);
	EXPECT_CALL(journal, logError(A<const std::string&>())).Times(6);

	// Expect ErrorLogging service to be called once to log a DBus error
	MockErrorLogging& errorLogging = services.getMockErrorLogging();
	EXPECT_CALL(errorLogging, logDBusError).Times(1);
	};

	// Monitor sensors 10 times. Verify errors logged.
	{
	// Create mock services. Set expectations via lambda.
	MockServices services{};
	setExpectations(services);

	for (int i = 1; i <= 10; ++i)
	{
	railPtr->monitorSensors(services, system, chassisPtr, devicePtr);
	}
	}

	// Clear error history
	railPtr->clearErrorHistory();

	// Monitor sensors 10 more times. Verify errors logged again.
	{
	// Create mock services. Set expectations via lambda.
	MockServices services{};
	setExpectations(services);

	for (int i = 1; i <= 10; ++i)
	{
	railPtr->monitorSensors(services, system, chassisPtr, devicePtr);
	}
	}
	}

	TEST(RailTests, Configure)
	{
	// Test where Configuration was not 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 Rail
	std::unique_ptr<Rail> rail = std::make_unique<Rail>("vdd0");
	Rail* railPtr = rail.get();

	// Create Device that contains Rail
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> deviceConfiguration{};
	std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.emplace_back(std::move(rail));
	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(phaseFaultDetection),
	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, chassisInvPath, 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().
	railPtr->configure(services, system, chassisPtr, devicePtr);
	}

	// Test where Configuration was specified in constructor
	{
	// Create mock services. Expect logDebug() to be called.
	MockServices services{};
	MockJournal& journal = services.getMockJournal();
	EXPECT_CALL(journal, logDebug("Configuring vddr1: volts=1.300000"))
	.Times(1);
	EXPECT_CALL(journal, logError(A<const std::string&>())).Times(0);

	// Create Configuration
	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>("vddr1", std::move(configuration));
	Rail* railPtr = rail.get();

	// Create Device that contains Rail
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> deviceConfiguration{};
	std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.emplace_back(std::move(rail));
	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(phaseFaultDetection),
	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, chassisInvPath, 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().
	railPtr->configure(services, system, chassisPtr, devicePtr);
	}
	}

	TEST(RailTests, GetConfiguration)
	{
	// Test where Configuration was not specified in constructor
	{
	Rail rail{"vdd0"};
	EXPECT_EQ(rail.getConfiguration(), nullptr);
	}

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

	// Create Rail
	Rail rail{"vddr1", std::move(configuration)};
	EXPECT_NE(rail.getConfiguration(), nullptr);
	EXPECT_EQ(rail.getConfiguration()->getVolts().has_value(), true);
	EXPECT_EQ(rail.getConfiguration()->getVolts().value(), 3.2);
	EXPECT_EQ(rail.getConfiguration()->getActions().size(), 1);
	}
	}

	TEST(RailTests, GetID)
	{
	Rail rail{"vio2"};
	EXPECT_EQ(rail.getID(), "vio2");
	}

	TEST(RailTests, MonitorSensors)
	{
	// Test where SensorMonitoring was not specified in constructor
	{
	// Create mock services. No Sensors methods should be called.
	MockServices services{};
	MockSensors& sensors = services.getMockSensors();
	EXPECT_CALL(sensors, startRail).Times(0);
	EXPECT_CALL(sensors, setValue).Times(0);
	EXPECT_CALL(sensors, endRail).Times(0);

	// Create Rail
	std::unique_ptr<Rail> rail = std::make_unique<Rail>("vdd0");
	Rail* railPtr = rail.get();

	// Create Device that contains Rail
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> deviceConfiguration{};
	std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.emplace_back(std::move(rail));
	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(phaseFaultDetection),
	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, chassisInvPath, 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()
	railPtr->monitorSensors(services, system, chassisPtr, devicePtr);
	}

	// Test where SensorMonitoring was specified in constructor
	{
	// Create mock services. Set Sensors service expectations.
	MockServices services{};
	MockSensors& sensors = services.getMockSensors();
	EXPECT_CALL(sensors,
	startRail("vddr1",
	"/xyz/openbmc_project/inventory/system/chassis/"
	"motherboard/reg1",
	chassisInvPath))
	.Times(1);
	EXPECT_CALL(sensors, setValue).Times(0);
	EXPECT_CALL(sensors, endRail(false)).Times(1);

	// Create SensorMonitoring
	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<SensorMonitoring> sensorMonitoring =
	std::make_unique<SensorMonitoring>(std::move(actions));

	// Create Rail
	std::unique_ptr<Configuration> configuration{};
	std::unique_ptr<Rail> rail = std::make_unique<Rail>(
	"vddr1", std::move(configuration), std::move(sensorMonitoring));
	Rail* railPtr = rail.get();

	// Create Device that contains Rail
	std::unique_ptr<i2c::MockedI2CInterface> i2cInterface =
	std::make_unique<i2c::MockedI2CInterface>();
	std::unique_ptr<PresenceDetection> presenceDetection{};
	std::unique_ptr<Configuration> deviceConfiguration{};
	std::unique_ptr<PhaseFaultDetection> phaseFaultDetection{};
	std::vector<std::unique_ptr<Rail>> rails{};
	rails.emplace_back(std::move(rail));
	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(phaseFaultDetection),
	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, chassisInvPath, 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()
	railPtr->monitorSensors(services, system, chassisPtr, devicePtr);
	}
	}

	TEST(RailTests, GetSensorMonitoring)
	{
	// Test where SensorMonitoring was not specified in constructor
	{
	Rail rail{"vdd0", nullptr, nullptr};
	EXPECT_EQ(rail.getSensorMonitoring(), nullptr);
	}

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

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

	// Create Rail
	Rail rail{"vddr1", std::move(configuration),
	std::move(sensorMonitoring)};
	EXPECT_NE(rail.getSensorMonitoring(), nullptr);
	EXPECT_EQ(rail.getSensorMonitoring()->getActions().size(), 2);
	}
	}