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|
#!/usr/bin/env perl
use warnings;
use strict;
use Term::ANSIColor;
use IO::Handle;
use IPC::Open2;
my $usage="runtests.pl SPEC PROGRAM\nSet ANSI_COLORS_DISABLED=1 if you redirect to a file.\nSet PATT='...' to restrict tests to sections matching a regex.\n";
my $SPEC = shift @ARGV;
my @PROG = @ARGV;
my $PATT=$ENV{'PATT'};
if (!(@PROG && defined $SPEC)) {
print STDERR $usage;
exit 1;
}
my $passed = 0;
my $failed = 0;
my $skipped = 0;
# Markdown implementations vary on insignificant whitespace.
# Some leave blanks between block elements, others don't.
# This function tries to normalize the output so it can be
# compared with our test. tidy takes two arguments: the
# string containing the actual output, and a pathname of the
# file to which the tidied output is to be saved.
sub tidy
{
my $inpre = 0;
my $out = "";
my $outfh;
open($outfh, '>', \$out);
for (split /^/, $_[0]) {
if (/<pre/) {
$inpre = 1;
} elsif (/<\/pre/) {
$inpre = 0;
}
if ($inpre) {
print $outfh $_;
} else {
# remove leading spaces
s/^ *//;
# remove trailing spaces
s/ *$//;
# collapse consecutive spaces
s/ */ /;
# collapse space before /> in tag
s/ *\/>/\/>/;
s/>\n$/>/;
# skip blank line
if (/^$/) {
next;
}
print $outfh $_;
}
}
close $outfh;
return $out;
}
sub dotest
{
my $markdown = $_[0];
my $html = $_[1];
my $testname = $_[2];
my $actual = "";
# We use → to indicate tab and ␣ space in the spec
$markdown =~ s/→/\t/g;s/␣/ /g;
$html =~ s/→/\t/g;s/␣/ /g;
open2(my $out, my $in, @PROG);
print $in $markdown;
close $in;
flush $out;
$actual = do { local $/; <$out>; };
close $out;
$html = &tidy($html);
$actual = &tidy($actual);
$actual =~ s/\'/'/;
if ($actual eq $html) {
print colored("✓", "green");
return 1;
} else {
print colored("\n✘ $testname", "red");
print "\n";
print color "cyan";
print "=== markdown ===============\n";
print $markdown;
print "=== expected ===============\n";
print $html;
print "\n";
print "=== got ====================\n";
print $actual;
print "\n";
print color "black";
return 0;
}
}
my $stage = 0;
my $markdown = "";
my $html = "";
my $example = 0;
my $linenum = 0;
my $exampleline = 0;
my @secnums = ();
my $secheading;
open(SPEC, "< $SPEC");
while (<SPEC>) {
$linenum++;
if (/^\.$/) {
$stage = ($stage + 1) % 3;
if ($stage == 1) {
$exampleline = $linenum;
}
if ($stage == 0) {
$example++;
if (!$PATT || $secheading =~ /$PATT/) {
if (&dotest($markdown, $html,
"Example $example (line $exampleline)")) {
$passed++;
} else {
$failed++;
}
} else {
$skipped++;
}
$markdown = "";
$html = "";
}
} elsif ($stage == 0 && $_ =~ /^<!-- END TESTS -->/) {
last;
} elsif ($stage == 0 && $_ =~ /^(#+) +(.*)/) {
my $seclevel = length($1);
$secheading = $2;
if ($#secnums == $seclevel - 1) {
$secnums[$#secnums]++;
} elsif ($#secnums > $seclevel - 1) {
@secnums = @secnums[0..($seclevel - 1)];
$secnums[$#secnums]++;
} else {
while ($#secnums < $seclevel - 1) {
push(@secnums, 1);
}
}
if (!$PATT || $secheading =~ /$PATT/) {
print ("\n", join(".", @secnums) . " " . $secheading, " ");
}
} elsif ($stage == 1) {
$markdown .= $_;
} elsif ($stage == 2) {
$html .= $_;
}
}
print "\n";
print STDERR colored("$passed tests passed, $failed failed, $skipped skipped.", "bold");
print STDERR "\n";
exit $failed;
|
