> Hi, @brammool
> I ran into a problem where a test case was failing, it was always
> successful before, and suddenly one day it failed. I guess it has
> something to do with my system environment, but I can't be sure, and
> I'm not familiar with this test case.
>
> My friend, can you assist me and give me some advice? Tell me why it
> might fail, that would be very much appreciated.
>
> logļ¼
> ```bash
> [ 364s] Failures:
> [ 364s] From test_terminal.vim:
> [ 364s] Found errors in Test_terminal_postponed_scrollback():
> [ 364s] Run 1:
> [ 364s] command line..script
> /home/abuild/rpmbuild/BUILD/vim90/src/testdir/runtest.vim[464]..function
> RunTheTest[44]..Test_terminal_postponed_scrollback[24]..VerifyScreenDump line
> 63: See dump file difference: call
> term_dumpdiff("testdir/failed/Test_terminal_scrollback_3.dump",
> "testdir/dumps/Test_terminal_scrollback_3.dump"); difference in line 8:
> ">o|n|e| |m|o|r|e| |l|i|n|e| @61"; difference in line 9: "@75"
> [ 364s] Run 2:
> [ 364s] command line..script
> /home/abuild/rpmbuild/BUILD/vim90/src/testdir/runtest.vim[497]..function
> RunTheTest[44]..Test_terminal_postponed_scrollback[24]..VerifyScreenDump line
> 63: See dump file difference: call
> term_dumpdiff("testdir/failed/Test_terminal_scrollback_3.dump",
> "testdir/dumps/Test_terminal_scrollback_3.dump"); difference in line 8:
> ">o|n|e| |m|o|r|e| |l|i|n|e| @61"; difference in line 9: "@75"
> [ 364s] Run 3:
> [ 364s] command line..script
> /home/abuild/rpmbuild/BUILD/vim90/src/testdir/runtest.vim[497]..function
> RunTheTest[44]..Test_terminal_postponed_scrollback[24]..VerifyScreenDump line
> 63: See dump file difference: call
> term_dumpdiff("testdir/failed/Test_terminal_scrollback_3.dump",
> "testdir/dumps/Test_terminal_scrollback_3.dump"); difference in line 8:
> ">o|n|e| |m|o|r|e| |l|i|n|e| @61"; difference in line 9: "@75"
> [ 364s] Flaky test failed too often, giving up
> [ 364s]
> [ 364s] TEST FAILURE
> [ 364s] make[2]: *** [Makefile:49: report] Error 1
> [ 364s] make[2]: Leaving directory
> '/home/abuild/rpmbuild/BUILD/vim90/src/testdir'
> [ 364s] make[1]: *** [Makefile:2234: scripttests] Error 2
> [ 364s] make[1]: Leaving directory '/home/abuild/rpmbuild/BUILD/vim90/src'
> [ 364s] make: *** [Makefile:39: test] Error 2
> [ 364s] error: Bad exit status from /var/tmp/rpm-tmp.4qiq8B (%check)
> ```
I have not seen this failure. I also see no reason why this would
happen or why it would depend on the environment. The difference is
only the cursor position, indicated by ">" in the screen dump file.
If it fails consistently, you could try adding some delay in between the
commands in the test function:
sleep 2
call TermWait(buf, 500)
You can change the "2" (two seconds) into "100m" (100 milli seconds) or
something else. You can put this before and after the term_sendkeys()
calls. Not sure if it makes any difference.
--
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/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// \\\
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