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How do you run and get output of automation tests?

Now, the simple answer you might be inclined to suggest is:

 UE4Editor MyProject.uproject -Game -ExecCmds="Automation RunTests MyTest" -log=Log.txt

However, the reason I ask this question is because this command patently (despite being the answer given in numerous places) Does Not Work.

Here are the things it does:

  • Launch the game

Here are the things it does not do:

  • Run 'MyTestName'

  • Log output to MyLogFile.txt

(See, I know it should write a log file to Saved/Logs/ but tangibly it does not).

You can certainly run this to execute the test in editor mode and see the output log in the editor:

 UE4Editor MyProject.uproject -ExecCmds="Automation RunTests MyTestName"

(notice the absence of the -Game flag, which causes the editor to open, rather than game mode to open).

You can also run:

 UE4Editor MyProject.uproject -Game -ExecCmds="Automation RunTests MyTestName" -log

Which pops up the log window and shows commands being run...

...and sits there, on the log message:

 [2016.02.11-15.59.15:599][  0]LogLoad: Full Startup: 5.23 seconds (BP compile: 0.01 seconds)
 [2016.02.11-15.59.15:671][  2]LogRenderer: Reallocating scene render targets to support 1280x720 (Frame:2).
 [2016.02.11-15.59.20:653][259]LogAssetRegistry: FAssetRegistry took 0.0004 seconds to start up

Where is my automation test?

Obviously in the ideal world I wouldn't have to do this at all, but as per https://answers.unrealengine.com/questions/358821/hot-reload-does-not-re-compile-automation-tests.html, tests aren't hot reloaded, so they're impossible to use without closing and opening the editor.

Overall: LAME! This automation stuff seems really rubbish compared to https://github.com/google/googletest

Has anyone actually managed to get this working?

How do you:

1) Run tests

2) Get the results

3) Write new tests and repeat (1) and (2) without manually closing and reopening the editor.

Product Version: UE 4.10
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asked Feb 11 '16 at 04:04 PM in C++ Programming

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avatar image mtass Jul 21 '17 at 01:32 PM

Actually, it seems to run the tests, but it just doesn't tell you which ones failed and which ones succeeded. Whenever I run the tests with the following command: UE4Editor MyProject.uproject -ExecCmds="Automation RunTests MyTest" -log=Log.txt -testexit="Automation Test Queue Empty". And this is part of the log I get. Even when a test is failing. Still broken in 4.16.

 [2017.07.21-13.29.38:345][  2]Found 237 Automation Tests
 [2017.07.21-13.29.43:250][577]AutomationTestingLog: New page: -----Test Run 8----
 [2017.07.21-13.29.43:250][577]AutomationTestingLog: Info -----Test Run 8----
 [2017.07.21-13.29.43:252][577]...Automation Test Queue Empty 1 tests performed.
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