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nixos tests: waitForText: output the detected screen content prior to the last attempt

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machine: Last chance to match /(?^:BALICE)/ on the screen, which currently contains:
    machine: performing optical character recognition
    machine: sending monitor command: screendump /tmp/nix-build-vm-test-run-sddm.drv-0/ocrin.ppm
    machine: Session Layout

    O O

    0 1 : 0 9

    Wednesday, June 21, 2017

    |_ I

    Select your user and enter password
This commit is contained in:
Graham Christensen 2017-06-20 21:10:34 -04:00
parent 348785eec0
commit 1b833015b7
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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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@ -572,6 +572,12 @@ sub waitForText {
my ($self, $regexp) = @_;
$self->nest("waiting for $regexp to appear on the screen", sub {
retry sub {
my ($retries_remaining) = @_;
if ($retries_remaining == 0) {
$self->log("Last chance to match /$regexp/ on the screen, which currently contains:");
$self->log($self->getScreenText);
}
return 1 if $self->getScreenText =~ /$regexp/;
}
});