tests: fix flaky TestGracefulShutdown #510
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It seems that is the --version output sometimes goes to Stderr instead of Stdout. In IsTarantoolVersionLess() added CombinedOutput (stdout+stderr), if exec.Cmd.Output() returned "" while executing `tarantool --version`. Closes #503
oleg-jukovec
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Dec 7, 2025
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Thank you for the patch. But I don't get the idea clearly.
Why could not we just replace the exec.Command(getTarantoolExec(), "--version").Output() with exec.Command(getTarantoolExec(), "--version").CombinedOutput(). Is there any reason for left the first call?
go-tarantool/test_helpers/main.go
Line 238 in 74f82da
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| // It seems that is the --version output sometimes goes to Stderr instead of Stdout. | ||
| if string(out) == "" { |
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This is a simpler comparison from a reader point of view.
Suggested change
| if string(out) == "" { | |
| if len(out) == 0 { |
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It seems that is the --version output
sometimes goes to Stderr instead of Stdout.
In IsTarantoolVersionLess() added CombinedOutput (stdout+stderr),
if exec.Cmd.Output() returned ""
while executing
tarantool --version.Closes #503