X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/40996b7810cf32994b2b30ccaee4f9d870d60be0..bc55cddf915d70f806feda38506788f4c61a2574:/t/harness

diff --git a/t/harness b/t/harness
index e745db8..84e3d57 100644
--- a/t/harness
+++ b/t/harness
@@ -6,17 +6,26 @@
 BEGIN {
     chdir 't' if -d 't';
     @INC = '../lib';              # pick up only this build's lib
-    $ENV{PERL5LIB} = '../lib';    # so children will see it too
 }
 
 my $torture; # torture testing?
 
-use Test::Harness;
+use TAP::Harness 3.13;
+use strict;
+use Config;
 
-$Test::Harness::switches = "";    # Too much noise otherwise
-$Test::Harness::verbose = shift if @ARGV && $ARGV[0] eq '-v';
+$::do_nothing = $::do_nothing = 1;
+require './TEST';
+our $Valgrind_Log;
 
-if ($ARGV[0] eq '-torture') {
+my $Verbose = 0;
+$Verbose++ while @ARGV && $ARGV[0] eq '-v' && shift;
+
+# For valgrind summary output
+my $htoolnm;
+my $hgrind_ct;
+
+if ($ARGV[0] && $ARGV[0] eq '-torture') {
     shift;
     $torture = 1;
 }
@@ -25,107 +34,314 @@ if ($ARGV[0] eq '-torture') {
 # which live dual lives on CPAN.
 $ENV{PERL_CORE} = 1;
 
-#fudge DATA for now.
-%datahandle = qw(
-		lib/bigint.t		1
-		lib/bigintpm.t		1
-		lib/bigfloat.t	 	1
-		lib/bigfloatpm.t	1
-		op/gv.t			1
-		lib/complex.t		1
-		lib/ph.t		1
-		lib/soundex.t		1
-		op/misc.t		1
-		op/runlevel.t		1
-		op/tie.t		1
-		op/lex_assign.t		1
-		);
-
-foreach (keys %datahandle) {
-     unlink "$_.t";
-}
-
-my @tests = ();
+my (@tests, @re, @anti_re);
 
 # [.VMS]TEST.COM calls harness with empty arguments, so clean-up @ARGV
 @ARGV = grep $_ && length( $_ ) => @ARGV;
 
+sub _extract_tests;
+sub _extract_tests {
+    # This can probably be done more tersely with a map, but I doubt that it
+    # would be as clear
+    my @results;
+    foreach (@_) {
+	my $ref = ref $_;
+	if ($ref) {
+	    if ($ref eq 'ARRAY') {
+		push @results, _extract_tests @$_;
+	    } elsif ($ref eq 'HASH') {
+		push @results, _extract_tests values %$_;
+	    } else {
+		die "Unknown reference type $ref";
+	    }
+	} else {
+	    push @results, glob $_;
+	}
+    }
+    @results;
+}
+
+while ($ARGV[0] && $ARGV[0]=~/^-(n?)re/) {
+    my $ary= $1 ? \@anti_re : \@re;
+
+    if ( $ARGV[0] !~ /=/ ) {
+        shift @ARGV;
+        while (@ARGV and $ARGV[0] !~ /^-/) {
+            push @$ary, shift @ARGV;
+        }
+    } else {
+        push @$ary, (split/=/,shift @ARGV)[1];
+    }
+}
+
+my $jobs = $ENV{TEST_JOBS};
+my ($rules, $state, $color);
+if ($ENV{HARNESS_OPTIONS}) {
+    for my $opt ( split /:/, $ENV{HARNESS_OPTIONS} ) {
+        if ( $opt =~ /^j(\d*)$/ ) {
+            $jobs ||= $1 || 9;
+        }
+        elsif ( $opt eq 'c' ) {
+            $color = 1;
+        }
+        else {
+            die "Unknown HARNESS_OPTIONS item: $opt\n";
+        }
+    }
+}
+
 if (@ARGV) {
+    # If you want these run in speed order, just use prove
     if ($^O eq 'MSWin32') {
 	@tests = map(glob($_),@ARGV);
     }
     else {
 	@tests = @ARGV;
     }
+    # This is a hack to force config_heavy.pl to be loaded, before the
+    # prep work for running a test changes directory.
+    1 if $Config{d_fork};
 } else {
+    # Ideally we'd get somewhere close to Tux's Oslo rules
+    # my $rules = {
+    #     par => [
+    #         { seq => '../ext/DB_File/t/*' },
+    #         { seq => '../ext/IO_Compress_Zlib/t/*' },
+    #         { seq => '../lib/ExtUtils/t/*' },
+    #         '*'
+    #     ]
+    # };
+
+    # but for now, run all directories in sequence.
+
     unless (@tests) {
-	push @tests, <base/*.t>;
-        push @tests, <comp/*.t>;
-        push @tests, <cmd/*.t>;
-        push @tests, <run/*.t>;
-        push @tests, <io/*.t>;
-        push @tests, <op/*.t>;
-        push @tests, <uni/*.t>;
-        push @tests, <lib/*.t>;
-        push @tests, <japh/*.t> if $torture;
-	push @tests, <win32/*.t> if $^O eq 'MSWin32';
-	use File::Spec;
-	my $updir = File::Spec->updir;
-	my $mani  = File::Spec->catfile(File::Spec->updir, "MANIFEST");
-	if (open(MANI, $mani)) {
-	    while (<MANI>) { # similar code in t/TEST
-	    if (m!^(ext/\S+/?(?:[^/\s]+\.t|test\.pl)|lib/\S+?(?:\.t|test\.pl))\s!) {
-		    push @tests, File::Spec->catfile($updir, $1);
-		}
+	my @seq = <base/*.t>;
+
+	my @next = qw(comp run cmd io re opbasic op uni mro lib porting perf);
+	push @next, 'japh' if $torture;
+	push @next, 'win32' if $^O eq 'MSWin32';
+	push @next, 'benchmark' if $ENV{PERL_BENCHMARK};
+	push @next, 'bigmem' if $ENV{PERL_TEST_MEMORY};
+	# Hopefully TAP::Parser::Scheduler will support this syntax soon.
+	# my $next = { par => '{' . join (',', @next) . '}/*.t' };
+	my $next = { par => [
+			     map { "$_/*.t" } @next
+			    ] };
+	@tests = _extract_tests ($next);
+
+	# This is a bit of a game, because we only want to sort these tests in
+	# speed order. base/*.t wants to run first, and ext,lib etc last and in
+	# MANIFEST order
+	if ($jobs) {
+	    require App::Prove::State;
+	    $state = App::Prove::State->new({ store => 'test_state' });
+	    $state->apply_switch('slow', 'save');
+	    # For some reason get_tests returns *all* the tests previously run,
+	    # (in the right order), not simply the selection in @tests
+	    # (in the right order). Not sure if this is a bug or a feature.
+	    # Whatever, *we* are only interested in the ones that are in @tests
+	    my %seen;
+	    @seen{@tests} = ();
+	    @tests = grep {exists $seen{$_} } $state->get_tests(0, @tests);
+	}
+	@tests = (@seq, @tests);
+	push @seq, $next;
+
+	my @last;
+	push @last,
+	    _tests_from_manifest($Config{extensions}, $Config{known_extensions});
+	my %times;
+	if ($state) {
+	    # Where known, collate the elapsed times by test name
+	    foreach ($state->results->tests()) {
+		$times{$_->name} = $_->elapsed();
 	    }
-	    close MANI;
-	} else {
-	    warn "$0: cannot open $mani: $!\n";
 	}
-	push @tests, <pod/*.t>;
-	push @tests, <x2p/*.t>;
+
+	my %dir;
+	my %total_time;
+        my %serials;
+        my %all_dirs;
+
+        # Preprocess the list of tests
+	for (@last) {
+	    if ($^O eq 'MSWin32') {
+		s,\\,/,g; # canonicalize path
+	    };
+
+            # Keep a list of the distinct directory names, and another list of
+            # those which contain a file whose name begins with a 0
+            if ( m! \A \.\. /
+                                ( .*? )         # $1 is the directory path name
+                            /
+                                ( [^/]* \.t )   # $2 is the .t name
+                    \z !x)
+            {
+                my $path = $1;
+
+                $all_dirs{$path} = 1;
+                $serials{$path} = 1 if $2 =~ / \A 0 /x;
+            }
+        }
+
+        # We assume that the reason a test file's name begins with a 0 is to
+        # order its execution among the tests in its directory.  Hence, a
+        # directory containing such files should be tested in serial order.
+        #
+        # Add exceptions to the above rule
+        for (qw(ext/Pod-Html/t cpan/IO-Zlib)) {
+            $serials{$_} = 1;
+        }
+
+        # Remove the serial testing directories from the list of all
+        # directories.  The remaining ones are testable in parallel.  Make the
+        # parallel list a scalar with names separated by '|' so that below
+        # they will be added to a regular expression.
+        my $non_serials = join "|", grep { not exists $serials{$_} } keys %all_dirs;
+        undef %all_dirs;
+        undef %serials;
+
+	for (@last) {
+            # Treat every file in each non-serial directory as its own
+            # "directory", so that it can be executed in parallel
+            m! \A ( \.\. / (?: $non_serials )
+                         / [^/]+ \.t \z | .* [/] ) !x
+                or die "'$_'";
+	    push @{$dir{$1}}, $_;
+
+            # This file contributes time to the total needed for the directory
+            # as a whole
+	    $total_time{$1} += $times{$_} || 0;
+	}
+        #print STDERR __LINE__, join "\n", sort { $total_time{$b} <=> $total_time{$a} } keys %dir, "  ";
+
+	push @tests, @last;
+
+	# Generate T::H schedule rules that run the contents of each directory
+	# sequentially.
+	push @seq, { par => [ map { s!/$!/*!; { seq => $_ } } sort {
+	    # Directories, ordered by total time descending then name ascending
+	    $total_time{$b} <=> $total_time{$a} || lc $a cmp lc $b
+	} keys %dir ] };
+
+	$rules = { seq => \@seq };
     }
 }
 if ($^O eq 'MSWin32') {
     s,\\,/,g for @tests;
 }
-Test::Harness::runtests @tests;
-exit(0) unless -e "../testcompile";
-
-# %infinite =  qw (
-#        op/bop.t	1
-#        lib/hostname.t	1
-#	 op/lex_assign.t	1
-#	 lib/ph.t	1
-#        );
-
-my $dhwrapper = <<'EOT';
-open DATA,"<".__FILE__;
-until (($_=<DATA>) =~ /^__END__/) {};
-EOT
-
-@tests = grep (!$infinite{$_}, @tests);
-@tests = map {
-         my $new = $_;
-	 if ($datahandle{$_} && !( -f "$new.t") ) {
-             $new .= '.t';
-             local(*F, *T);
-             open(F,"<$_") or die "Can't open $_: $!";
-             open(T,">$new") or die "Can't open $new: $!";
-             print T $dhwrapper, <F>;
-             close F;
-             close T;
-         }
-         $new;
-         } @tests;
-
-print "The tests ", join(' ', keys(%infinite)),
-    " generate infinite loops! Skipping!\n";
-
-$ENV{'HARNESS_COMPILE_TEST'} = 1;
-$ENV{'PERLCC_TIMEOUT'} = 120 unless $ENV{'PERLCC_TIMEOUT'};
-
-Test::Harness::runtests @tests;
-foreach (keys %datahandle) {
-     unlink "$_.t";
+if (@re or @anti_re) {
+    my @keepers;
+    foreach my $test (@tests) {
+        my $keep = 0;
+        if (@re) {
+            foreach my $re (@re) {
+                $keep = 1 if $test=~/$re/;
+            }
+        } else {
+            $keep = 1;
+        }
+        if (@anti_re) {
+            foreach my $anti_re (@anti_re) {
+                $keep = 0 if $test=~/$anti_re/;
+            }
+        }
+        if ($keep) {
+            push @keepers, $test;
+        }
+    }
+    @tests= @keepers;
 }
+
+# Allow eg ./perl t/harness t/op/lc.t
+for (@tests) {
+    if (! -f $_ && !/^\.\./ && -f "../$_") {
+        $_ = "../$_";
+        s{^\.\./t/}{};
+    }
+}
+
+my %options;
+
+my $type = 'perl';
+
+# Load TAP::Parser now as otherwise it could be required in the short time span
+# in which the harness process chdirs into ext/Dist
+require TAP::Parser;
+
+my $h = TAP::Harness->new({
+    rules       => $rules,
+    color       => $color,
+    jobs        => $jobs,
+    verbosity   => $Verbose,
+    timer       => $ENV{HARNESS_TIMER},
+    exec        => sub {
+	my ($harness, $test) = @_;
+
+	my $options = $options{$test};
+	if (!defined $options) {
+	    $options = $options{$test} = _scan_test($test, $type);
+	}
+
+	(local $Valgrind_Log = "$test.valgrind-current") =~ s/^.*\///;
+
+	return [ split ' ', _cmd($options, $type) ];
+    },
+});
+
+# Print valgrind output after test completes
+if ($ENV{PERL_VALGRIND}) {
+    $h->callback(
+		 after_test => sub {
+		     my ($job) = @_;
+		     my $test = $job->[0];
+		     my $vfile = "$test.valgrind-current";
+	             $vfile =~ s/^.*\///;
+
+		     if ( (! -z $vfile) && open(my $voutput, '<', $vfile)) {
+			print "$test: Valgrind output:\n";
+			print "$test: $_" for <$voutput>;
+			close($voutput);
+		     }
+
+		     (local $Valgrind_Log = "$test.valgrind-current") =~ s/^.*\///;
+
+		     _check_valgrind(\$htoolnm, \$hgrind_ct, \$test);
+		 }
+		 );
+}
+
+if ($state) {
+    $h->callback(
+		 after_test => sub {
+		     $state->observe_test(@_);
+		 }
+		 );
+    $h->callback(
+		 after_runtests => sub {
+		     $state->commit(@_);
+		 }
+		 );
+}
+
+$h->callback(
+	     parser_args => sub {
+		 my ($args, $job) = @_;
+		 my $test = $job->[0];
+		 _before_fork($options{$test});
+		 push @{ $args->{switches} }, "-I../../lib";
+	     }
+	     );
+
+$h->callback(
+	     made_parser => sub {
+		 my ($parser, $job) = @_;
+		 my $test = $job->[0];
+		 my $options = delete $options{$test};
+		 _after_fork($options);
+	     }
+	     );
+
+my $agg = $h->runtests(@tests);
+_cleanup_valgrind(\$htoolnm, \$hgrind_ct);
+exit $agg->has_errors ? 1 : 0;