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Unreal engine 4 support automation test in UE4 editor.

Following is detail information from UE4 documentation.

Automation System Overview: 

For example, we need add an automation test to check all texture size and mipmap level.

Let's finish it step by step.

Step 1: Add a new complex automation test

/**

* CheckAllTextureSizeAndMipmapTest

* Verification automation test to make sure all texture size in sepecial rang and with mipmap.

*/

IMPLEMENT_COMPLEX_AUTOMATION_TEST(FCheckAllTextureSizeAndMipmapTest, "Project.Textures.CheckAllTexture", EAutomationTestFlags::ApplicationContextMask | EAutomationTestFlags::ProductFilter)

 

/**

* Requests a enumeration of all textures to check

*/

void FCheckAllTextureSizeAndMipmapTest::GetTests(TArray<FString>& OutBeautifiedNames, TArray <FString>& OutTestCommands) const

{

    //Fill OutBeautifiedNames and OutTestCommands. if there's nothing added, then no any test case show in UE4 editor.

    ...

        OutBeautifiedNames.Add(BeautifiedFilename);

        OutTestCommands.Add(Asset.ObjectPath.ToString());

    ...

}

 

/**

* Execute texture checking on each texture( one texture as one test case ).

*

* @param Parameters - Full texture path to test.

* @return TRUE if the test was successful, FALSE otherwise

*/

bool FCheckAllTextureSizeAndMipmapTest::RunTest(const FString& Parameters)

{

    bool IsPassTest = true;

    ...

    return IsPassTest;

}

Step 2: Check it in UE4 Editor

Compile whole project and restart UE4 editor. Open 'Session Fronted' dialog by UE4 editor menu ( 'Window' →  'Developer Tools' → 'Session Fronted').

Double click left panel to select local machine Editor. In top-right, do, select 'Automation' tab. You can find new added automation test 'Project.Textures.CheckAllTexture'. After select some test case, you can start tests by click 'Start Tests' button on the top-right area.

Step 3: Run in Teamcity/Bamboo

Automation test can be run from command or power shell script.

"..\..\..\Engine\Binaries\Win64\$ProcessName.exe" %~dp0\..\..\..\Projects\Gunjack\Gunjack.uproject -execcmds="Automation RunTests Project.Textures.CheckAllTexture;Quit" -unattended -nopause -testexit="Automation Test Queue Empty" -log=AutomationTextureLog.log

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