package main_common; use strict; use base 'Exporter'; use Exporter; use testapi; our @EXPORT = qw/run_with_error_check check_type_string type_safely type_very_safely desktop_vt boot_to_login_screen console_login console_switch_layout/; sub run_with_error_check { my ($func, $error_screen) = @_; die "Error screen appeared" if (check_screen $error_screen, 5); $func->(); die "Error screen appeared" if (check_screen $error_screen, 5); } # type the string in sets of characters at a time (default 3), waiting # for a screen change after each set. Intended to be safer when the VM # is busy and regular type_string may overload the input buffer. Args # passed along to `type_string`. Accepts additional args: # `size` - size of character groups (default 3) - set to 1 for extreme # safety (but slower and more screenshotting) sub check_type_string { my ($string, %args) = @_; $args{size} //= 3; # split string into an array of pieces of specified size # https://stackoverflow.com/questions/372370 my @pieces = unpack("(a$args{size})*", $string); for my $piece (@pieces) { wait_screen_change { type_string($piece, %args); }; } } # high-level 'type this string quite safely but reasonably fast' # function whose specific implementation may vary sub type_safely { my $string = shift; check_type_string($string, max_interval => 20); wait_still_screen 2; } # high-level 'type this string extremely safely and rather slow' # function whose specific implementation may vary sub type_very_safely { my $string = shift; check_type_string($string, size => 1, still => 5, max_interval => 1); wait_still_screen 5; } # Figure out what tty the desktop is on, switch to it. Assumes we're # at a root console sub desktop_vt { # use ps to find the tty of Xwayland or Xorg my $xout; # don't fail test if we don't find any process, just guess tty1 eval { $xout = script_output 'ps -C Xwayland,Xorg -o tty --no-headers'; }; my $tty = 1; # default while ($xout =~ /tty(\d)/g) { $tty = $1; # most recent match is probably best } send_key "ctrl-alt-f${tty}"; } # Wait for login screen to appear. Handle the annoying GPU buffer # problem where we see a stale copy of the login screen from the # previous boot. Will suffer a ~30 second delay if there's a chance # we're *already at* the expected login screen. sub boot_to_login_screen { my %args = @_; $args{timeout} //= 300; # we may start at a screen that matches one of the needles; if so, # wait till we don't (e.g. when rebooting at end of live install, # we match text_console_login until the console disappears) my $count = 5; while (check_screen("login_screen", 3) && $count > 0) { sleep 5; $count -= 1; } assert_screen "login_screen", $args{timeout}; if (match_has_tag "graphical_login") { wait_still_screen 10, 30; assert_screen "login_screen"; } } # Switch keyboard layouts at a console sub console_switch_layout { # switcher key combo differs between layouts, for console if (get_var("LANGUAGE", "") eq "russian") { send_key "ctrl-shift"; } } # this subroutine handles logging in as a root/specified user into console # it requires TTY to be already displayed (handled by the root_console() # method of distribution classes) sub console_login { my %args = ( user => "root", password => get_var("ROOT_PASSWORD", "weakpassword"), @_); # There's a timing problem when we switch from a logged-in console # to a non-logged in console and immediately call this function; # if the switch lags a bit, this function will match one of the # logged-in needles for the console we switched from, and get out # of sync (e.g. https://openqa.stg.fedoraproject.org/tests/1664 ) # To avoid this, we'll sleep a couple of seconds before starting sleep 2; my $good = ""; my $bad = ""; if ($args{user} eq "root") { $good = "root_console"; $bad = "user_console"; } else { $good = "user_console"; $bad = "root_console"; } if (check_screen $bad, 0) { # we don't want to 'wait' for this as it won't return script_run "exit", 0; sleep 2; } check_screen [$good, 'text_console_login'], 10; # if we're already logged in, all is good return if (match_has_tag $good); # if we see the login prompt, type the username type_string("$args{user}\n") if (match_has_tag 'text_console_login'); check_screen [$good, 'console_password_required'], 30; # on a live image, just the user name will be enough return if (match_has_tag $good); # otherwise, type the password if we see the prompt if (match_has_tag 'console_password_required') { type_string "$args{password}"; if (get_var("SWITCHED_LAYOUT") and $args{user} ne "root") { # see _do_install_and_reboot; when layout is switched # user password is doubled to contain both US and native # chars console_switch_layout; type_string "$args{password}"; console_switch_layout; } send_key "ret"; } # make sure we reached the console assert_screen($good, 30); }