281 lines
7.6 KiB
Perl
Executable File
281 lines
7.6 KiB
Perl
Executable File
#!/usr/bin/env perl
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# vim:ts=4:sw=4:expandtab
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# © 2010-2011 Michael Stapelberg and contributors
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use strict;
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use warnings;
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use v5.10;
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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 Cwd qw(abs_path);
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use File::Basename qw(basename);
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use File::Temp qw(tempfile tempdir);
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use Getopt::Long;
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use IO::Socket::UNIX;
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use POSIX ();
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use Time::HiRes qw(sleep gettimeofday tv_interval);
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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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# these are shipped with the testsuite
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use lib qw(lib);
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use StartXDummy;
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use StatusLine;
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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;
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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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# We actually use AnyEvent to make sure it loads an event loop implementation.
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# Afterwards, we overwrite SIGCHLD:
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my $cv = AnyEvent->condvar;
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# Install a dummy CHLD handler to overwrite the CHLD handler of AnyEvent.
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# AnyEvent’s handler wait()s for every child which conflicts with TAP (TAP
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# needs to get the exit status to determine if a test is successful).
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$SIG{CHLD} = sub {
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};
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# convinience 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 $coverage_testing = 0;
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my $valgrind = 0;
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my $strace = 0;
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my $help = 0;
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# Number of tests to run in parallel. Important to know how many Xdummy
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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 @childpids = ();
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my $result = GetOptions(
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"coverage-testing" => \$coverage_testing,
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"valgrind" => \$valgrind,
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"strace" => \$strace,
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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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@displays = split(/,/, join(',', @displays));
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@displays = map { s/ //g; $_ } @displays;
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# No displays specified, let’s start some Xdummy instances.
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if (@displays == 0) {
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my ($displays, $pids) = start_xdummy($parallel);
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@displays = @$displays;
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@childpids = @$pids;
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}
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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 (Xdummy will restart it, but not quick enough
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# sometimes)
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my @conns;
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for my $display (@displays) {
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my $screen;
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my $x = X11::XCB->new($display, $screen);
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if ($x->has_error) {
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die "Could not connect to display $display\n";
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} else {
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push @conns, $x;
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}
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}
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# 1: 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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@testfiles = <t/*.t> if @testfiles == 0;
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# 2: 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 $outdir";
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unlink("latest") if -e "latest";
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symlink("$outdir", "latest") or die "Could not symlink latest to $outdir";
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my $logfile = "$outdir/complete-run.log";
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open $log, '>', $logfile or die "Could not create '$logfile': $!";
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say "Writing logfile to '$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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# 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 (@displays) { $cv->begin; take_job($_) }
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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 $cv condvar gets
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# triggered to finish testing.
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#
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sub take_job {
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my ($display) = @_;
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my $test = shift @testfiles
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or return $cv->end;
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my $basename = basename($test);
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Log status($display, "Starting $test");
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my $output;
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open(my $spool, '>', \$output);
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my $parser = TAP::Parser->new({
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exec => [ 'sh', '-c', qq|DISPLAY=$display TESTNAME="$basename" OUTDIR="$outdir" VALGRIND=$valgrind STRACE=$strace COVERAGE=$coverage_testing /usr/bin/perl -Ilib $test| ],
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spool => $spool,
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merge => 1,
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});
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my $tests_completed;
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my @watchers;
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my ($stdout, $stderr) = $parser->get_select_handles;
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for my $handle ($parser->get_select_handles) {
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my $w;
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$w = AnyEvent->io(
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fh => $handle,
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poll => 'r',
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cb => sub {
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# Ignore activity on stderr (unnecessary with merge => 1,
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# but let’s keep it in here if we want to use merge => 0
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# for some reason in the future).
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return if defined($stderr) and $handle == $stderr;
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my $result = $parser->next;
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if (defined($result)) {
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$tests_completed++;
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status($display, "Running $test: [$tests_completed/??]");
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# TODO: check if we should bail out
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return;
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}
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# $result is not defined, we are done parsing
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Log status($display, "$test finished");
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close($parser->delete_spool);
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$aggregator->add($test, $parser);
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push @done, [ $test, $output ];
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status_completed(scalar @done);
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undef $_ for @watchers;
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if (@done == $num) {
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$cv->end;
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} else {
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take_job($display);
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}
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}
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);
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push @watchers, $w;
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}
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}
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$cv->recv;
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$aggregator->stop();
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# print empty lines to seperate failed tests from statuslines
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print "\n\n";
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for (@done) {
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my ($test, $output) = @$_;
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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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kill(15, $_) for @childpids;
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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 Xdummy 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 Xdummy 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) Xdummy 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<--coverage-testing>
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Exits i3 cleanly (instead of kill -9) to make coverage testing work properly.
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=item B<--parallel>
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Number of Xdummy 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 Xdummy instance
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./complete-run.pl -p 1
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