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8c968941f9
- Each module can now have a Tests folder at its root containing low level tests written with Catch2 - Used like this: UnrealBuildTool.exe -Mode=Test TargetName Platform Configuration - It creates a test executable that's associated with the specified build Target and it includes all the tests for the Target AND all its dependencies as well - When building without -Mode=Test it will omit the Tests folder contents from compilation: in theory we never allowed folders named Tests at the root of modules, but there might be isolated exceptions where we didn't validate folder names - in this case we will need to move that Tests folder one level up for example - Code paths for test and non-test builds are entirely separated #jira UE-135280 #rb Jerome.Delattre #preflight 61e839d5276892ce10759205 [CL 18663474 by chris constantinescu in ue5-main branch]
101 lines
3.1 KiB
C#
101 lines
3.1 KiB
C#
// Copyright Epic Games, Inc. All Rights Reserved.
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using EpicGames.Core;
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using System.IO;
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namespace UnrealBuildTool
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{
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/// <summary>
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/// TargetRules extension for low level tests.
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/// </summary>
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public class TestTargetRules : TargetRules
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{
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/// <summary>
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/// Associated tested target of this test target.
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/// </summary>
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public TargetRules TestedTarget { get; private set; }
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/// <summary>
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/// TestTargetRules is setup as a program and is linked monolithically .
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/// It removes a lot of default compilation behavior in order to produce a minimal test environment.
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/// </summary>
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public TestTargetRules(TargetRules TestedTarget, TargetInfo Target) : base(Target)
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{
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if (TestedTarget is TestTargetRules)
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{
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throw new BuildException("TestedTarget can't be of type TestTargetRules.");
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}
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this.TestedTarget = TestedTarget;
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DefaultBuildSettings = BuildSettingsVersion.V2;
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ExeBinariesSubFolder = Name = TestedTarget.Name + "Tests";
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TargetSourceFile = File = FileReference.Combine(UnrealBuildTool.EngineSourceDirectory, "UnrealBuildTool", "Configuration", "TestTargetRules.cs");
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LaunchModuleName = TestedTarget.LaunchModuleName + "Tests";
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WindowsPlatform = TestedTarget.WindowsPlatform;
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Type = TargetType.Program;
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LinkType = TargetLinkType.Monolithic;
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bBuildInSolutionByDefault = false;
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bDeployAfterCompile = false;
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bIsBuildingConsoleApplication = true;
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// Disabling default true flags that aren't necessary for tests
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// Lean and Mean mode
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bBuildDeveloperTools = false;
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// No localization
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bCompileICU = false;
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// No need for shaders by default
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bForceBuildShaderFormats = false;
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// Do not link against the engine, no Chromium Embedded Framework etc.
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bCompileAgainstEngine = false;
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bCompileCEF3 = false;
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bCompileAgainstCoreUObject = false;
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bCompileAgainstApplicationCore = false;
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bUseLoggingInShipping = true;
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bool bDebugOrDevelopment = Target.Configuration == UnrealTargetConfiguration.Debug || Target.Configuration == UnrealTargetConfiguration.Development;
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bBuildWithEditorOnlyData = Target.Platform.IsInGroup(UnrealPlatformGroup.Desktop) && bDebugOrDevelopment;
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// Disable malloc profiling in tests
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bUseMallocProfiler = false;
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// Useful for debugging test failures
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if (Target.Configuration == UnrealTargetConfiguration.Debug)
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{
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bDebugBuildsActuallyUseDebugCRT = true;
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}
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GlobalDefinitions.AddRange(TestedTarget.GlobalDefinitions);
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GlobalDefinitions.Add("STATS=0");
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// Platform specific setup
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if (Target.Platform == UnrealTargetPlatform.Android)
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{
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UndecoratedConfiguration = Target.Configuration;
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string VersionScriptFile = Path.Combine(Directory.GetCurrentDirectory(), @"Developer\LowLevelTestsRunner\Private\Platform\Android\HideSymbols.ldscript");
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AdditionalLinkerArguments = " -Wl,--version-script=" + VersionScriptFile;
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GlobalDefinitions.Add("USE_ANDROID_INPUT=0");
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GlobalDefinitions.Add("USE_ANDROID_OPENGL=0");
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GlobalDefinitions.Add("USE_ANDROID_LAUNCH=0");
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GlobalDefinitions.Add("USE_ANDROID_JNI=0");
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}
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else if (Target.Platform == UnrealTargetPlatform.IOS)
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{
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GlobalDefinitions.Add("HAS_METAL=0");
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}
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}
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}
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}
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