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nixos tests: waitUntilTTYMatches: Log TTY contents on last try

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If the test has not passed yet, on the last attempt it now outputs:

    machine: Last chance to match /logine: / on TTY2, which currently contains:
    machine: running command: fold -w$(stty -F /dev/tty2 size | awk '{print $2}') /dev/vcs2
    machine: exit status 0
    machine:

    <<< Welcome to NixOS 17.09.git.a804ef4 (x86_64) - tty2 >>>

    machine login:

to help debug the problem. Notice the "logine" typo in my check.
This commit is contained in:
Graham Christensen 2017-06-20 20:55:52 -04:00
parent 56435c1404
commit 348785eec0
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1 changed files with 6 additions and 0 deletions
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6
nixos/lib/test-driver/Machine.pm
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@ -518,6 +518,12 @@ sub waitUntilTTYMatches {
$self->nest("waiting for $regexp to appear on tty $tty", sub {
retry sub {
my ($retries_remaining) = @_;
if ($retries_remaining == 0) {
$self->log("Last chance to match /$regexp/ on TTY$tty, which currently contains:");
$self->log($self->getTTYText($tty));
}
return 1 if $self->getTTYText($tty) =~ /$regexp/;
}
});