make-script-test-wrappers

#!/usr/bin/env perl

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# Script to generate HTML wrappers for JavaScript tests from templates

use strict;
use warnings;

use FindBin;
use lib $FindBin::Bin;

use File::Basename;
use File::Find;
use Getopt::Long;
use webkitdirs;

sub directoryFilter;
sub findTemplateFiles(@);

my $showHelp;

my $result = GetOptions(
    "help"       => \$showHelp,
);

if (!$result || $showHelp) {
    print STDERR basename($0) . " [-h|--help]\n";
    exit 1;
}

setConfiguration();
my $productDir = productDir();

chdirWebKit();

my @templates = findTemplateFiles(@ARGV);

for my $tfile (@templates) {

    my $tpath = $tfile;
    my $templateDirectory;
    my $templateRelativePath;
    if ($tpath =~ s:/(script-tests)/TEMPLATE.html$::) {
        $templateDirectory = $1;
        $templateRelativePath = $1 . "/TEMPLATE.html";
    } else {
        print "Inappropriate position of a template: ${tpath}\n";
        next;
    }

    print "${tpath}\n";

    chdirWebKit();
    chdir($tpath);

    my @files;
    my $fileFilter = sub {
        push @files, $File::Find::name if substr($_, -3) eq ".js";
    };
    find({ preprocess => \&directoryFilter, wanted => $fileFilter }, $templateDirectory);

    open TEMPLATE, "<${templateRelativePath}";
    my $template = do { local $/; <TEMPLATE> };
    close TEMPLATE;

    my $templateNegative = $template;
    if (-e "${templateDirectory}/TEMPLATE-n.html") {
        open TEMPLATE, "<${templateDirectory}/TEMPLATE-n.html";
        $templateNegative = do { local $/; <TEMPLATE> };
        close TEMPLATE;
    }

    for my $file (@files) {
        my $html = $file;
        $html =~ s:${templateDirectory}/(.*)\.js:$1.html:;
        next if -f "$html-disabled";

        system("cat ${file} | tr '\\0' ' ' | grep -q 'successfullyParsed ='");
        if ($? != 0) {
            `echo "" >> "${file}"`;
            `echo "var successfullyParsed = true;" >> "${file}"`;
        }
        
        print "    ${html}\n";
        open HTML, ">$html";
        my $output = ($file =~ /-n\.js/) ? $templateNegative : $template;
        $output =~ s:YOUR_JS_FILE_HERE:$file:;
        print HTML $output;
        
        close HTML;
    }
}

exit 0;

sub directoryFilter
{
    return () if basename($File::Find::dir) eq ".svn";
    return @_;
}

sub findTemplateFiles(@) {
    my @templateFiles;

    my $fileFilter = sub {
        push @templateFiles, $File::Find::name if $_ eq "TEMPLATE.html";
    };

    find({ preprocess => \&directoryFilter, wanted => $fileFilter }, "LayoutTests/js");

    return @templateFiles;
}