i3/testcases/t/207-shmlog.t

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2013-06-23 16:14:59 -04:00
#!perl
# vim:ts=4:sw=4:expandtab
#
# Please read the following documents before working on tests:
# • http://build.i3wm.org/docs/testsuite.html
# (or docs/testsuite)
#
# • http://build.i3wm.org/docs/lib-i3test.html
# (alternatively: perldoc ./testcases/lib/i3test.pm)
#
# • http://build.i3wm.org/docs/ipc.html
# (or docs/ipc)
#
# • http://onyxneon.com/books/modern_perl/modern_perl_a4.pdf
# (unless you are already familiar with Perl)
#
use i3test i3_autostart => 0;
use IPC::Run qw(run);
use File::Temp;
################################################################################
# 1: test that shared memory logging does not work yet
################################################################################
my $config = <<EOT;
# i3 config file (v4)
font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
EOT
# NB: launch_with_config sets --shmlog-size=0 because the logfile gets
# redirected via stdout redirection anyways.
my $pid = launch_with_config($config);
my $stdout;
my $stderr;
run [ '../i3-dump-log/i3-dump-log' ],
'>', \$stdout,
'2>', \$stderr;
like($stderr, qr#^i3-dump-log: ERROR: i3 is running, but SHM logging is not enabled\.#,
'shm logging not enabled');
################################################################################
# 2: enable shared memory logging and verify new content shows up
################################################################################
cmd 'shmlog on';
my $random_nop = mktemp('nop.XXXXXX');
cmd "nop $random_nop";
run [ '../i3-dump-log/i3-dump-log' ],
'>', \$stdout,
'2>', \$stderr;
like($stdout, qr#$random_nop#, 'random nop found in shm log');
like($stderr, qr#^$#, 'stderr empty');
################################################################################
# 3: change size of the shared memory log buffer and verify old content is gone
################################################################################
cmd 'shmlog ' . (23 * 1024 * 1024);
run [ '../i3-dump-log/i3-dump-log' ],
'>', \$stdout,
'2>', \$stderr;
unlike($stdout, qr#$random_nop#, 'random nop not found in shm log');
like($stderr, qr#^$#, 'stderr empty');
################################################################################
# 4: disable logging and verify it no longer works
################################################################################
cmd 'shmlog off';
run [ '../i3-dump-log/i3-dump-log' ],
'>', \$stdout,
'2>', \$stderr;
like($stderr, qr#^i3-dump-log: ERROR: i3 is running, but SHM logging is not enabled\.#,
'shm logging not enabled');
exit_gracefully($pid);
done_testing;