1. Epic GamesDeveloper
  3. UUnitTest

UUnitTest

Base class for all unit tests

Unreal Engine C++ API Reference > Plugins > NetcodeUnitTest

Inheritance Hierarchy

References

   
Module NetcodeUnitTest
Header /Engine/Plugins/NetcodeUnitTest/NetcodeUnitTest/Source/NetcodeUnitTest/Classes/UnitTest.h
Include #include "UnitTest.h"

Syntax

UCLASS&40;Abstract, Config&61;UnitTestStats&41;  
class UUnitTest : public UUnitTestBase

Remarks

Base class for all unit tests

Variables

  Type Name Description
Protected variable bool bAborted Whether or not the unit test has aborted execution
Protected variable bool bCompleted Whether or not the unit test has completed
Protected variable bool bDeveloperMode Whether or not developer-mode has been enabled for this unit test (prevents it from ending execution)
Protected variable bool bFirstTimeStats Whether it's the first time this unit test has run, i.e. whether prior memory stats exist (NOTE: Not set until first tick)
Protected variable bool bObsolete Whether or not this unit test is obsolete - i.e. based on code no longer present in the game/engine
Protected variable bool bUnreliable Whether or not this unit test is unreliable, i.e. prone to giving incorrect/unexpected results, requiring multiple runs
Protected variable bool bWorkInProgress Whether or not this unit test is a 'work in progress', and should not be included in automated tests
Protected variable uint64 CurrentMemoryUsage The current realtime memory usage of the unit test
Protected variable TMap< FString, EUnitTestVerification > ExpectedResult The unit test result we expect for each games codebase, i.e. whether we expect that the problem is fixed yet or not NOTE: Games which don't have an expected result specified here, are considered 'unsupported' and the unit test isn't run for them
Public variable UProperty Config float LastExecutionTime The amount of time it took to execute the unit test the last time it was run
Protected variable double LastNetTick The time of the last NetTick event
Protected variable double LastTimeoutReset The last time that the unit test timeout was reset
Protected variable FString LastTimeoutResetEvent Every timeout reset specifies a string to identify/describe the event that triggered it, for tracking
Protected variable TSharedPtr< SLogWindow > LogWindow The log window associated with this unit test
Public variable UProperty Config uint64 PeakMemoryUsage Config variables Stores stats on the highest-ever reported memory usage, for this unit test - for estimating memory usage
Protected variable double StartTime The time at which execution of the unit test started
Protected variable TArray< TSharedPtr< FUnitStatusLog > > StatusLogSummary Collects unit test status logs, that have been printed to the summary window
Protected variable double TimeoutExpire The time at which the unit test timeout will expire
Public variable UProperty Config float TimeToPeakMem The amount of time it takes to reach 'PeakMemoryUsage' (or within 90% of its value)
Protected variable TUniquePtr< FOutputDeviceFile > UnitLog The log file for outputting all log information for the current unit test
Protected variable FString UnitLogDir The log directory for this unit test
Protected variable UProperty TArray< TObjectPtr< UUnitTask > > UnitTasks UnitTask's which must be run before different stages of the unit test can execute
Protected variable EUnitTaskFlags UnitTaskState Marks the state of met unit task requirement flags and active unit task blocking flags
Protected variable TArray< FString > UnitTestBugTrackIDs The bug tracking identifiers related to this unit test (e.g. TTP numbers)
Protected variable TArray< FString > UnitTestCLs Source control changelists relevant to this unit test
Protected variable FDateTime UnitTestDate The date this unit test was added to the project (for ordering in help command)
Protected variable FString UnitTestName Variables which should be specified by every subclass The name/command for this unit test (N.B. Must be set in class constructor)
Protected variable uint32 UnitTestTimeout The amount of time (in seconds), before the unit test should timeout and be marked as broken
Protected variable FString UnitTestType The type of unit test this is (e.g. bug/exploit) (N.B. Must be set in class constructor)
Protected variable UProperty EUnitTestVerification VerificationState Whether or not the success or failure of the current unit test has been verified

Constructors

  Type Name Description
Public function  

UUnitTest ( const FObjectInitializer& ObjectInitializer
)

 UUnitTest

Functions

  Type Name Description
Public function void Aborts execution of the unit test, part-way through
Public function void

AddTask ( UUnitTask* InTask
)

 Adds a UnitTask to the unit test, during its configuration stage - to be completed before executing the unit test
Public function Virtual bool Whether or not this unit test supports resetting
Public function Virtual void Cleans up all items needing destruction, and removes the unit test from tracking, before deleting the unit test itself
Public function void Called upon completion of the unit test (may not happen during same tick), for tearing down created worlds/connections/etc.
Public function Virtual bool Executes the main unit test
Public function Virtual void

GetCommandContextList ( TArray< TSharedPtr< FString >>& OutList,
FString& OutDefaultContext
)

 Outputs the list of console command contexts, that this unit test supports (which can include custom contexts in subclasses)
Protected function Virtual ELogType Returns the type of log entries that this unit expects to output, for setting up log window filters (only needs to return values which affect what tabs are shown)
Public function EUnitTestVerification Returns the expected result for the current game
Public function TArray< FString > Returns the list of supported games, for this unit test
Public function Const FDateTime Returns the date this unit test was first added to the code
Public function Const FString Returns the name/command, for the current unit test
Public function Const uint32 Returns the value of UnitTestTimeout
Public function Const FString Returns the type of unit test (e.g. bug/exploit)
Public function bool Whether or not the unit test has started
Protected function Virtual void Finishes initializing unit test settings, that rely upon the current unit test environment being loaded
Protected function void Sets up the log directory and log output device instances.
Public function Const bool Returns whether or not this is the first time the unit test has been run/collecting-stats
Protected function bool Determines whether or not a UnitTask is blocking the specified event
Public function Virtual void Triggered upon unit test completion, for outputting that the unit test has completed - plus other unit test state information
Public function Virtual bool

NotifyConsoleCommandRequest ( FString CommandContext,
FString Command
)

 Notifies that there was a request to execute a console command for the unit test, which can occur in a specific context, e.g. for a unit test server, for a local minimal-client (within the unit test), or for a separate unit test client process
Public function void

NotifyDeveloperModeRequest ( bool bInDeveloperMode
)

 Notifies that there was a request to enable/disable developer mode
Protected function Virtual void Triggered when a UnitTask fails unrecoverably during execution
Protected function Virtual void

ResetTimeout ( FString ResetReason,
bool bResetConnTimeout,
uint32 MinDuration
)

 Resets the unit test timeout code - should be used liberally, within every unit test, when progress is made during execution
Public function void Resets the unit test to its initial state, allowing it to restart from scratch NOTE: Must be implemented for every unit test that intends to support it, through CleanupUnitTest
Protected function Virtual void

UnblockEvents ( EUnitTaskFlags ReadyEvents
)

 When events that were pending but blocked by a UnitTask, are unblocked, this function triggers them.
Protected function Virtual bool

ValidateUnitTestSettings ( bool bCDOCheck
)

 Validate that the unit test settings/flags specified for this unit test, are compatible with one another, and that the engine settings/environment, support running the unit test.

Overridden from UUnitTestBase

  Type Name Description
Public function Virtual Const bool Must override in subclasses, that need ticking.
Public function Virtual void

NetTick ()

 Tick function that runs at a tickrate of ~60 fps, for interacting with netcode (high UnitTick tickrate, can lead to net buffer overflows)
Public function Virtual void

PostUnitTick ( float DeltaTime
)

 For cleanup actions that should occur after the primary tick function is called
Public function Virtual void

TickIsComplete ( float DeltaTime
)

 Tick function for checking if the unit test is completed (happens after all above tick events)
Public function Virtual void

UnitTick ( float DeltaTime
)

 Main tick function for the unit test
Protected function Virtual bool  

Overridden from FUnitLogInterface

  Type Name Description
Public function Virtual bool Whether or not this log interface is the source of a UNetConnection - used for deciding where to direct, UNetConnection log hooks
Public function Virtual bool

IsTimerLogSource ( UObject* InTimerDelegateObject
)

 Whether or not this log interface is the source of an FTimerManager delegate object, used for hooking logs triggered during global timer manager delegates.
Public function Virtual void

NotifyLocalLog ( ELogType InLogType,
const TCHAR* Data,
ELogVerbosity::Type Verbosity,
const FName& Category
)

 For implementation in subclasses, for helping to track local log entries related to a unit test.
Public function Virtual void

NotifyStatusLog ( ELogType InLogType,
const TCHAR* Data
)

 As above, except for log entries directed towards the Unit Test Status window.

Constants

Name Description
NullUnitEnv The null unit test environment - for unit tests which support all games, due to requiring no game-specific features
UnitEnv Runtime variables The unit test environment (not set until the current games unit test module is loaded - not set at all, if no such module)

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page