#!/usr/bin/perl -w
-# Copyright (C) 2019-2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2019-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Parallel test runner which preloads code and reuses worker processes
# Usage: $PERL -I lib -w t/run.perl -j4
# Or via prove(1): prove -lvw t/run.perl :: -j4
use strict;
+use v5.10.1;
+use IO::Handle; # ->autoflush
use PublicInbox::TestCommon;
-use Cwd qw(getcwd);
use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
use Errno qw(EINTR);
+use Fcntl qw(:seek);
use POSIX qw(_POSIX_PIPE_BUF WNOHANG);
my $jobs = 1;
my $repeat = 1;
'log=s' => \$log_suffix,
's|shuffle' => \$shuffle,
) or die "Usage: $0 [-j JOBS] [--log=SUFFIX] [--repeat RUNS]";
-if (($ENV{TEST_RUN_MODE} // 1) == 0) {
+if (($ENV{TEST_RUN_MODE} // 2) == 0) {
die "$0 is not compatible with TEST_RUN_MODE=0\n";
}
my @tests = scalar(@ARGV) ? @ARGV : glob('t/*.t');
-my $cwd = getcwd();
-open OLDOUT, '>&STDOUT' or die "dup STDOUT: $!";
-open OLDERR, '>&STDERR' or die "dup STDERR: $!";
-OLDOUT->autoflush(1);
-OLDERR->autoflush(1);
+open my $cwd_fh, '<', '.' or die "open .: $!";
+open my $OLDOUT, '>&STDOUT' or die "dup STDOUT: $!";
+open my $OLDERR, '>&STDERR' or die "dup STDERR: $!";
+$OLDOUT->autoflush(1);
+$OLDERR->autoflush(1);
key2sub($_) for @tests; # precache
our $tb = Test::More->builder;
sub DIE (;$) {
- print OLDERR @_;
+ print $OLDERR @_;
exit(1);
}
sub test_status () {
$? = 255 if $? == 0 && !$tb->is_passing;
my $status = $? ? 'not ok' : 'ok';
- print OLDOUT "$status $worker_test\n" if $log_suffix ne '';
+ chdir($cwd_fh) or DIE "fchdir: $!";
+ if ($log_suffix ne '') {
+ my $log = $worker_test;
+ $log =~ s/\.t\z/$log_suffix/;
+ my $skip = '';
+ if (open my $fh, '<', $log) {
+ my @not_ok = grep(!/^(?:ok |[ \t]*#)/ms, <$fh>);
+ my $last = $not_ok[-1] // '';
+ pop @not_ok if $last =~ /^[0-9]+\.\.[0-9]+$/;
+ my $pfx = "# $log: ";
+ print $OLDERR map { $pfx.$_ } @not_ok;
+ seek($fh, 0, SEEK_SET) or die "seek: $!";
+
+ # show unique skip texts and the number of times
+ # each text was skipped
+ local $/;
+ my @sk = (<$fh> =~ m/^ok [0-9]+ (# skip [^\n]+)/mgs);
+ if (@sk) {
+ my %nr;
+ my @err = grep { !$nr{$_}++ } @sk;
+ print $OLDERR "$pfx$_ ($nr{$_})\n" for @err;
+ $skip = ' # total skipped: '.scalar(@sk);
+ }
+ } else {
+ print $OLDERR "could not open: $log: $!\n";
+ }
+ print $OLDOUT "$status $worker_test$skip\n";
+ }
}
# Test::Builder or Test2::Hub may call exit() from plan(skip_all => ...)
my $eof; # we stop respawning if true
my $start_worker = sub {
- my ($i, $j, $rd, $todo) = @_;
- defined(my $pid = fork) or DIE "fork: $!";
+ my ($j, $rd, $wr, $todo) = @_;
+ my $pid = fork // DIE "fork: $!";
if ($pid == 0) {
+ close $wr if $wr;
$worker = $$;
while (1) {
my $r = sysread($rd, my $buf, UINT_SIZE);
my $t = unpack('I', $buf);
run_test($todo->[$t]);
$tb->reset;
- chdir($cwd) or DIE "chdir: $!";
}
kill 'USR1', $producer if !$eof; # sets $eof in $producer
DIE join('', map { "E: $_\n" } @err) if @err;
for (my $i = $repeat; $i != 0; $i--) {
my @todo = $shuffle ? List::Util::shuffle(@tests) : @tests;
- # single-producer, multi-consumer queue relying on POSIX semantics
+ # single-producer, multi-consumer queue relying on POSIX pipe semantics
+ # POSIX.1-2008 stipulates a regular file should work, but Linux <3.14
+ # had broken read(2) semantics according to the read(2) manpage
pipe(my ($rd, $wr)) or DIE "pipe: $!";
# fill the queue before forking so children can start earlier
my $n = (_POSIX_PIPE_BUF / UINT_SIZE);
if ($n >= $#todo) {
print $wr join('', map { pack('I', $_) } (0..$#todo)) or DIE;
- close $wr or die;
- $wr = undef;
+ undef $wr;
} else { # write what we can...
$wr->autoflush(1);
print $wr join('', map { pack('I', $_) } (0..$n)) or DIE;
push @err, "job[$j] ($?)" if $?;
# skip_all can exit(0), respawn if needed:
if (!$eof) {
- print OLDERR "# respawning job[$j]\n";
- $start_worker->($i, $j, $rd, \@todo);
+ print $OLDERR "# respawning job[$j]\n";
+ $start_worker->($j, $rd, $wr, \@todo);
}
}
};
# start the workers to consume the queue
for (my $j = 0; $j < $jobs; $j++) {
- $start_worker->($i, $j, $rd, \@todo);
+ $start_worker->($j, $rd, $wr, \@todo);
}
-
if ($wr) {
local $SIG{CHLD} = $sigchld;
# too many tests to fit in the pipe before starting workers,
# send the rest now the workers are running
print $wr join('', map { pack('I', $_) } ($n..$#todo)) or DIE;
- close $wr or die;
+ undef $wr;
}
$sigchld->(0) while scalar(keys(%pids));
DIE join('', map { "E: $_\n" } @err) if @err;
}
-print OLDOUT "1..".($repeat * scalar(@tests))."\n" if $repeat >= 0;
+print $OLDOUT "1..".($repeat * scalar(@tests))."\n" if $repeat >= 0;