508 lines
14 KiB
Perl
Executable File
508 lines
14 KiB
Perl
Executable File
#!/usr/bin/env perl
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# vim:ts=4:sw=4:expandtab
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# © 2010 Michael Stapelberg and contributors
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package complete_run;
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use strict;
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use warnings;
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use v5.10;
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use utf8;
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# the following are modules which ship with Perl (>= 5.10):
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use Pod::Usage;
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use File::Temp qw(tempfile tempdir);
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use Getopt::Long;
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use POSIX ();
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use TAP::Harness;
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use TAP::Parser;
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use TAP::Parser::Aggregator;
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use Time::HiRes qw(time);
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use IO::Handle;
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# these are shipped with the testsuite
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use lib qw(@abs_top_builddir@/testcases/lib @abs_top_srcdir@/testcases/lib @abs_top_srcdir@/AnyEvent-I3/blib/lib);
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use i3test::Util qw(slurp);
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use StartXServer;
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use StatusLine;
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use TestWorker;
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# the following modules are not shipped with Perl
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use AnyEvent;
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use AnyEvent::Util;
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use AnyEvent::Handle;
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use AnyEvent::I3 qw(:all);
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use X11::XCB::Connection;
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use JSON::XS; # AnyEvent::I3 depends on it, too.
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binmode STDOUT, ':utf8';
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binmode STDERR, ':utf8';
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# Close superfluous file descriptors which were passed by running in a VIM
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# subshell or situations like that.
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AnyEvent::Util::close_all_fds_except(0, 1, 2);
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our @CLEANUP;
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# convenience wrapper to write to the log file
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my $log;
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sub Log { say $log "@_" }
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my %timings;
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my $help = 0;
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# Number of tests to run in parallel. Important to know how many Xephyr
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# instances we need to start (unless @displays are given). Defaults to
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# num_cores * 2.
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my $parallel = undef;
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my @displays = ();
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my %options = (
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valgrind => 0,
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strace => 0,
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xtrace => 0,
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coverage => 0,
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restart => 0,
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xvfb => 1,
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);
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my $keep_xserver_output = 0;
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my $result = GetOptions(
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"coverage-testing" => \$options{coverage},
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"keep-xserver-output" => \$keep_xserver_output,
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"valgrind" => \$options{valgrind},
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"strace" => \$options{strace},
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"xtrace" => \$options{xtrace},
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"xvfb!" => \$options{xvfb},
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"display=s" => \@displays,
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"parallel=i" => \$parallel,
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"help|?" => \$help,
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);
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pod2usage(-verbose => 2, -exitcode => 0) if $help;
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# Check for missing executables
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my @binaries = qw(
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@abs_top_builddir@/i3
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@abs_top_builddir@/i3bar/i3bar
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@abs_top_builddir@/i3-config-wizard/i3-config-wizard
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@abs_top_builddir@/i3-dump-log/i3-dump-log
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@abs_top_builddir@/i3-input/i3-input
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@abs_top_builddir@/i3-msg/i3-msg
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@abs_top_builddir@/i3-nagbar/i3-nagbar
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);
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foreach my $binary (@binaries) {
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die "$binary executable not found, did you run “make”?" unless -e $binary;
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die "$binary is not an executable" unless -x $binary;
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}
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my @test_binaries = qw(
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@abs_top_builddir@/test.commands_parser
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@abs_top_builddir@/test.config_parser
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@abs_top_builddir@/test.inject_randr15
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);
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foreach my $binary (@test_binaries) {
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die "$binary executable not found, did you run “make check”?" unless -e $binary;
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die "$binary is not an executable" unless -x $binary;
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}
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$ENV{PATH} = join(':',
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'@abs_top_builddir@/i3-nagbar',
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'@abs_top_builddir@/i3-msg',
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'@abs_top_builddir@/i3-input',
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'@abs_top_builddir@/i3-dump-log',
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'@abs_top_builddir@/i3-config-wizard',
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'@abs_top_builddir@/i3bar',
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'@abs_top_builddir@',
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'@abs_top_srcdir@',
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$ENV{PATH});
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qx(Xephyr -help 2>&1);
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die "Xephyr was not found in your path. Please install Xephyr (xserver-xephyr on Debian)." if $?;
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qx(xvfb-run --help 2>&1);
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if ($? && $options{xvfb}) {
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say "xvfb-run not found, not running tests under xvfb. Install the xvfb package to speed up tests";
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$options{xvfb} = 0;
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}
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if ($options{xvfb}) {
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for (my $n = 99; $n < 120; $n++) {
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my $path = File::Temp::tmpnam($ENV{TMPDIR} // "/tmp", "i3-testsXXXXXX");
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if (!defined(POSIX::mkfifo($path, 0600))) {
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die "mkfifo: $!";
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}
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my $pid = fork // die "fork: $!";
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if ($pid == 0) {
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# Child
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# Xvfb checks whether the parent ignores USR1 and sends USR1 to the
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# parent when ready, so that the wait call will be interrupted. We
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# can’t implement this in Perl, as Perl’s waitpid transparently
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# handles -EINTR.
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exec('/bin/sh', '-c', qq|trap "exit" INT; trap : USR1; (trap '' USR1; exec Xvfb :$n -screen 0 640x480x8 -nolisten tcp) & PID=\$!; wait; if ! kill -0 \$PID 2>/dev/null; then echo 1:\$PID > $path; else echo 0:\$PID > $path; wait \$PID; fi|);
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die "exec: $!";
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}
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chomp(my $kill = slurp($path));
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unlink($path);
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my ($code, $xvfbpid) = ($kill =~ m,^([0-1]):(.*)$,);
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next unless $code eq '0';
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$ENV{DISPLAY} = ":$n";
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say "Running tests under Xvfb display $ENV{DISPLAY}";
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push(@CLEANUP, sub {
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kill(15, $xvfbpid);
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});
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last;
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}
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}
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@displays = split(/,/, join(',', @displays));
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@displays = map { s/ //g; $_ } @displays;
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# 2: get a list of all testcases
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my @testfiles = @ARGV;
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# if no files were passed on command line, run all tests from t/
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if (scalar @testfiles == 0) {
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@testfiles = <@abs_top_srcdir@/testcases/t/*.t> if @testfiles == 0;
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} else {
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@testfiles = map {
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# Fully qualify each specified file if necessary
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if (! -e $_) {
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$_ = "@abs_top_srcdir@/testcases/$_";
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}
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$_
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} @testfiles;
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}
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my $numtests = scalar @testfiles;
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# No displays specified, let’s start some Xephyr instances.
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if (@displays == 0) {
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@displays = start_xserver($parallel, $numtests, $keep_xserver_output);
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}
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# 1: create an output directory for this test-run
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my $outdir = "testsuite-";
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$outdir .= POSIX::strftime("%Y-%m-%d-%H-%M-%S-", localtime());
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$outdir .= `git describe --tags`;
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chomp($outdir);
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mkdir($outdir) or die "Could not create $outdir";
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unlink("latest") if -l "latest";
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symlink("$outdir", "latest") or die "Could not symlink latest to $outdir";
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# connect to all displays for two reasons:
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# 1: check if the display actually works
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# 2: keep the connection open so that i3 is not the only client. this prevents
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# the X server from exiting
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my @single_worker;
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for my $display (@displays) {
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my $screen;
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my $x = X11::XCB::Connection->new(display => $display);
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if ($x->has_error) {
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die "Could not connect to display $display\n";
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} else {
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# start a TestWorker for each display
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push @single_worker, worker($display, $x, $outdir, \%options);
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}
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}
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# Read previous timing information, if available. We will be able to roughly
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# predict the test duration and schedule a good order for the tests.
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my $timingsjson = slurp('.last_run_timings.json') if -e '.last_run_timings.json';
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%timings = %{decode_json($timingsjson)} if length($timingsjson) > 0;
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# Re-order the files so that those which took the longest time in the previous
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# run will be started at the beginning to not delay the whole run longer than
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# necessary.
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@testfiles = map { $_->[0] }
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sort { $b->[1] <=> $a->[1] }
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map { [$_, $timings{$_} // 999] } @testfiles;
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# Run 000-load-deps.t first to bail out early when dependencies are missing.
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my ($loadtest) = grep { $_ =~ m,t/000-load-deps.t$, } @testfiles;
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if (defined($loadtest)) {
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@testfiles = ($loadtest, grep { $_ ne $loadtest } @testfiles);
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}
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# Run 533-randr15.t last because it destructively modifies the RandR
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# configuration of the X session, interfering with any test started afterwards.
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my ($randrtest) = grep { $_ =~ m,t/533-randr15.t$, } @testfiles;
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if (defined($randrtest)) {
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@testfiles = ((grep { $_ ne $randrtest } @testfiles), $randrtest);
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}
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printf("\nRough time estimate for this run: %.2f seconds\n\n", $timings{GLOBAL})
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if exists($timings{GLOBAL});
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# Forget the old timings, we don’t necessarily run the same set of tests as
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# before. Otherwise we would end up with left-overs.
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%timings = (GLOBAL => time());
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my $logfile = "$outdir/complete-run.log";
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open $log, '>', $logfile or die "Could not create '$logfile': $!";
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$log->autoflush(1);
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say "Writing logfile to '$logfile'...";
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# 3: run all tests
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my @done;
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my $num = @testfiles;
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my $harness = TAP::Harness->new({ });
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my $aggregator = TAP::Parser::Aggregator->new();
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$aggregator->start();
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status_init(displays => \@displays, tests => $num);
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my $single_cv = AE::cv;
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# We start tests concurrently: For each display, one test gets started. Every
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# test starts another test after completing.
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for (@single_worker) {
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$single_cv->begin;
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take_job($_, $single_cv, \@testfiles);
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}
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$single_cv->recv;
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$aggregator->stop();
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# print empty lines to separate failed tests from statuslines
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print "\n\n";
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for (@done) {
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my ($test, $output) = @$_;
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say "no output for $test" unless $output;
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Log "output for $test:";
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Log $output;
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# print error messages of failed tests
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say for $output =~ /^not ok.+\n+((?:^#.+\n)+)/mg
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}
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# 4: print summary
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$harness->summary($aggregator);
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close $log;
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# 5: Save the timings for better scheduling/prediction next run.
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$timings{GLOBAL} = time() - $timings{GLOBAL};
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open(my $fh, '>', '.last_run_timings.json');
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print $fh encode_json(\%timings);
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close($fh);
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# 6: Print the slowest test files.
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my @slowest = map { $_->[0] }
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sort { $b->[1] <=> $a->[1] }
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map { [$_, $timings{$_}] }
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grep { !/^GLOBAL$/ } keys %timings;
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say '';
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say 'The slowest tests are:';
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printf("\t%s with %.2f seconds\n", $_, $timings{$_})
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for @slowest[0..($#slowest > 4 ? 4 : $#slowest)];
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# When we are running precisely one test, print the output. Makes developing
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# with a single testcase easier.
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if ($numtests == 1) {
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say '';
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say 'Test output:';
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say slurp($logfile);
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}
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END { cleanup() }
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# Report logfiles that match “(Leak|Address)Sanitizer:”.
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my @logs_with_leaks;
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for my $log (<$outdir/i3-log-for-*>) {
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if (slurp($log) =~ /(Leak|Address)Sanitizer:/) {
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push @logs_with_leaks, $log;
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}
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}
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if (scalar @logs_with_leaks > 0) {
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say "\nThe following test logfiles contain AddressSanitizer or LeakSanitizer reports:";
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for my $log (sort @logs_with_leaks) {
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say "\t$log";
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}
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}
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exit ($aggregator->failed > 0);
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#
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# Takes a test from the beginning of @testfiles and runs it.
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#
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# The TAP::Parser (which reads the test output) will get called as soon as
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# there is some activity on the stdout file descriptor of the test process
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# (using an AnyEvent->io watcher).
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#
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# When a test completes and @done contains $num entries, the $cv condvar gets
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# triggered to finish testing.
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#
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sub take_job {
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my ($worker, $cv, $tests) = @_;
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my $test = shift @$tests
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or return $cv->end;
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my $display = $worker->{display};
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Log status($display, "$test: starting");
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$timings{$test} = time();
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worker_next($worker, $test);
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# create a TAP::Parser with an in-memory fh
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my $output;
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my $parser = TAP::Parser->new({
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source => do { open(my $fh, '<', \$output); $fh },
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});
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my $ipc = $worker->{ipc};
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my $w;
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$w = AnyEvent->io(
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fh => $ipc,
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poll => 'r',
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cb => sub {
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state $tests_completed = 0;
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state $partial = '';
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sysread($ipc, my $buf, 4096) or die "sysread: $!";
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if ($partial) {
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$buf = $partial . $buf;
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$partial = '';
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}
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# make sure we feed TAP::Parser complete lines so it doesn't blow up
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if (substr($buf, -1, 1) ne "\n") {
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my $nl = rindex($buf, "\n");
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if ($nl == -1) {
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$partial = $buf;
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return;
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}
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# strip partial from buffer
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$partial = substr($buf, $nl + 1, '');
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}
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# count lines before stripping eof-marker otherwise we might
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# end up with for (1 .. 0) { } which would effectivly skip the loop
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my $lines = $buf =~ tr/\n//;
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my $t_eof = $buf =~ s/^$TestWorker::EOF$//m;
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$output .= $buf;
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for (1 .. $lines) {
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my $result = $parser->next;
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next unless defined($result);
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if ($result->is_test) {
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$tests_completed++;
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status($display, "$test: [$tests_completed/??] ");
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} elsif ($result->is_bailout) {
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Log status($display, "$test: BAILOUT");
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status_completed(scalar @done);
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say "";
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say "test $test bailed out: " . $result->explanation;
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exit 1;
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}
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}
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return unless $t_eof;
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Log status($display, "$test: finished");
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$timings{$test} = time() - $timings{$test};
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status_completed(scalar @done);
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$aggregator->add($test, $parser);
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push @done, [ $test, $output ];
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undef $w;
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take_job($worker, $cv, $tests);
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}
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);
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}
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sub cleanup {
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my $exitcode = $?;
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$_->() for @CLEANUP;
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exit $exitcode;
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}
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# must be in a begin block because we C<exit 0> above
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BEGIN {
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$SIG{$_} = sub {
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require Carp; Carp::cluck("Caught SIG$_[0]\n");
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cleanup();
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} for qw(INT TERM QUIT KILL PIPE)
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}
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__END__
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=head1 NAME
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complete-run.pl - Run the i3 testsuite
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=head1 SYNOPSIS
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complete-run.pl [files...]
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=head1 EXAMPLE
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To run the whole testsuite on a reasonable number of Xephyr instances (your
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running X11 will not be touched), run:
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./complete-run.pl
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To run only a specific test (useful when developing a new feature), run:
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./complete-run t/100-fullscreen.t
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=head1 OPTIONS
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=over 8
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=item B<--display>
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Specifies which X11 display should be used. Can be specified multiple times and
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will parallelize the tests:
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# Run tests on the second X server
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./complete-run.pl -d :1
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# Run four tests in parallel on some Xephyr servers
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./complete-run.pl -d :1,:2,:3,:4
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Note that it is not necessary to specify this anymore. If omitted,
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complete-run.pl will start (num_cores * 2) Xephyr instances.
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=item B<--valgrind>
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Runs i3 under valgrind to find memory problems. The output will be available in
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C<latest/valgrind-for-$test.log>.
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=item B<--strace>
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Runs i3 under strace to trace system calls. The output will be available in
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C<latest/strace-for-$test.log>.
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=item B<--xtrace>
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Runs i3 under xtrace to trace X11 requests/replies. The output will be
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available in C<latest/xtrace-for-$test.log>.
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=item B<--xvfb>
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=item B<--no-xvfb>
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Enable or disable running tests under Xvfb. Enabled by default.
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=item B<--coverage-testing>
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Generates a test coverage report at C<latest/i3-coverage>. Exits i3 cleanly
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during tests (instead of kill -9) to make coverage testing work properly.
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=item B<--parallel>
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Number of Xephyr instances to start (if you don't want to start num_cores * 2
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instances for some reason).
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# Run all tests on a single Xephyr instance
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./complete-run.pl -p 1
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||
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||
=back
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