310 lines
8.8 KiB
Perl
Executable File
310 lines
8.8 KiB
Perl
Executable File
#!/usr/bin/env perl
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# vim:ts=4:sw=4:expandtab
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#
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# © 2010-2011 Michael Stapelberg and contributors
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#
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# syntax: ./complete-run.pl --display :1 --display :2
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# to run the test suite on the X11 displays :1 and :2
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# use 'Xdummy :1' and 'Xdummy :2' before to start two
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# headless X11 servers
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#
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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 Carp::Always;
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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 SocketActivation;
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# the following modules are not shipped with Perl
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use AnyEvent;
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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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# 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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# reads in a whole file
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sub slurp {
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open my $fh, '<', shift;
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local $/;
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<$fh>;
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}
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my $coverage_testing = 0;
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my $valgrind = 0;
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my $help = 0;
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my @displays = ();
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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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"display=s" => \@displays,
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"help|?" => \$help,
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);
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pod2usage(0) if $help;
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@displays = split(/,/, join(',', @displays));
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@displays = map { s/ //g; $_ } @displays;
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@displays = qw(:1) if @displays == 0;
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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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my @wdisplays;
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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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say STDERR "WARNING: Not using X11 display $display, could not connect";
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} else {
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push @conns, $x;
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push @wdisplays, $display;
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}
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}
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my $config = slurp('i3-test.config');
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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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# 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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# 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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take_job($_) for @wdisplays;
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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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return unless $test;
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my $dont_start = (slurp($test) =~ /# !NO_I3_INSTANCE!/);
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my $logpath = "$outdir/i3-log-for-" . basename($test);
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my ($fh, $tmpfile) = tempfile('i3-run-cfg.XXXXXX', UNLINK => 1);
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say $fh $config;
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say $fh "ipc-socket /tmp/nested-$display";
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close($fh);
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my $activate_cv = AnyEvent->condvar;
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my $time_before_start = [gettimeofday];
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my $pid;
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if ($dont_start) {
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$activate_cv->send(1);
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} else {
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$pid = activate_i3(
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unix_socket_path => "/tmp/nested-$display-activation",
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display => $display,
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configfile => $tmpfile,
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outdir => $outdir,
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logpath => $logpath,
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valgrind => $valgrind,
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cv => $activate_cv
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);
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my $child_watcher;
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$child_watcher = AnyEvent->child(pid => $pid, cb => sub {
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say "child died. pid = $pid";
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undef $child_watcher;
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});
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}
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my $kill_i3 = sub {
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# Don’t bother killing i3 when we haven’t started it
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return if $dont_start;
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my $kill_cv = AnyEvent->condvar;
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# When measuring code coverage, try to exit i3 cleanly (otherwise, .gcda
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# files are not written) and fallback to killing it
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if ($coverage_testing || $valgrind) {
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my $exited = 0;
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say "[$display] Exiting i3 cleanly...";
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my $i3 = i3("/tmp/nested-$display");
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$i3->connect->cb(sub {
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if (!$_[0]->recv) {
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# Could not connect to i3, just kill -9 it
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kill(9, $pid) or die "Could not kill i3 using kill($pid)";
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$kill_cv->send();
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} else {
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# Connected. Now send exit and continue once that’s acked.
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$i3->command('exit')->cb(sub {
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$kill_cv->send();
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});
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}
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});
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} else {
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# No coverage testing or valgrind? Just kill -9 i3.
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kill(9, $pid) or die "Could not kill i3 using kill($pid)";
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$kill_cv->send();
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}
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return $kill_cv;
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};
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# This will be called as soon as i3 is running and answered to our
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# IPC request
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$activate_cv->cb(sub {
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my $time_activating = [gettimeofday];
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my $start_duration = tv_interval($time_before_start, $time_activating);
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my ($status) = $activate_cv->recv;
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if ($dont_start) {
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say "[$display] Not starting i3, testcase does that";
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} else {
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say "[$display] i3 startup: took " . sprintf("%.2f", $start_duration) . "s, status = $status";
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}
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say "[$display] Running $test with logfile $logpath";
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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 LOGPATH="$logpath" OUTDIR="$outdir" VALGRIND=$valgrind /usr/bin/perl -Ilib $test| ],
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spool => $spool,
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merge => 1,
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});
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my @watchers;
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my ($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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# TODO: check if we should bail out
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return;
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}
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# $result is not defined, we are done parsing
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say "[$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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my $exitcv = $kill_i3->();
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$exitcv->cb(sub {
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undef $_ for @watchers;
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if (@done == $num) {
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$cv->send;
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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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);
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push @watchers, $w;
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}
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});
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}
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$cv->recv;
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$aggregator->stop();
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for (@done) {
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my ($test, $output) = @$_;
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say "output for $test:";
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say $output;
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}
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# 4: print summary
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$harness->summary($aggregator);
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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 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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=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.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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