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package Test::Harness;
use Exporter;
use Benchmark;
use Config;
$Is_OS2 = $Config{'osname'} =~ m|^os/?2$|i ;
$ENV{EMXSHELL} = 'sh' if $Is_OS2; # to run commands
$path_s = $Is_OS2 ? ';' : ':' ;
@ISA=(Exporter);
@EXPORT= qw(&runtests);
@EXPORT_OK= qw($verbose $switches);
$verbose = 0;
$switches = "-w";
sub runtests {
my(@tests) = @_;
local($|) = 1;
my($test,$te,$ok,$next,$max,$totmax, $files,$pct);
my $bad = 0;
my $good = 0;
my $total = @tests;
local($ENV{'PERL5LIB'}) = join($path_s, @INC); # pass -I flags to children
my $t_start = new Benchmark;
while ($test = shift(@tests)) {
$te = $test;
chop($te);
print "$te" . '.' x (20 - length($te));
my $fh = "RESULTS";
open($fh,"$^X $switches $test|") || (print "can't run. $!\n");
$ok = 0;
$next = 0;
while (<$fh>) {
if( $verbose ){
print $_;
}
unless (/^#/) {
if (/^1\.\.([0-9]+)/) {
$max = $1;
$totmax += $max;
$files += 1;
$next = 1;
$ok = 1;
} else {
$next = $1, $ok = 0, last if /^not ok ([0-9]*)/;
if (/^ok (.*)/ && $1 == $next) {
$next = $next + 1;
}
}
}
}
close($fh); # must close to reap child resource values
$next -= 1;
if ($ok && $next == $max) {
print "ok\n";
$good += 1;
} else {
$next += 1;
print "FAILED on test $next\n";
$bad += 1;
$_ = $test;
}
}
my $t_total = timediff(new Benchmark, $t_start);
if ($bad == 0) {
if ($ok) {
print "All tests successful.\n";
} else {
die "FAILED--no tests were run for some reason.\n";
}
} else {
$pct = sprintf("%.2f", $good / $total * 100);
if ($bad == 1) {
die "Failed 1 test, $pct% okay.\n";
} else {
die "Failed $bad/$total tests, $pct% okay.\n";
}
}
printf("Files=%d, Tests=%d, %s\n", $files,$totmax, timestr($t_total, 'nop'));
}
1;
__END__
=head1 NAME
Test::Harness - run perl standard test scripts with statistics
=head1 SYNOPSIS
use Test::Harness;
runtests(@tests);
=head1 DESCRIPTION
Perl test scripts print to standard output C<"ok N"> for each single
test, where C<N> is an increasing sequence of integers. The first line
output by a standard test scxript is C<"1..M"> with C<M> being the
number of tests that should be run within the test
script. Test::Harness::runscripts(@tests) runs all the testscripts
named as arguments and checks standard output for the expected
C<"ok N"> strings.
After all tests have been performed, runscripts() prints some
performance statistics that are computed by the Benchmark module.
=head1 EXPORT
C<&runscripts> is exported by Test::Harness per default.
=head1 DIAGNOSTICS
=over 4
=item C<All tests successful.\nFiles=%d, Tests=%d, %s>
If all tests are successful some statistics about the performance are
printed.
=item C<Failed 1 test, $pct% okay.>
=item C<Failed %d/%d tests, %.2f%% okay.>
If not all tests were successful, the script dies with one of the
above messages.
=back
=head1 SEE ALSO
See L<Benchmerk> for the underlying timing routines.
=head1 BUGS
Test::Harness uses $^X to determine the perl binary to run the tests
with. Test scripts running via the shebang (C<#!>) line may not be portable
because $^X is not consistent for shebang scripts across
platforms. This is no problem when Test::Harness is run with an
absolute path to the perl binary.
=cut
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