Tests are good

[p5sagit/p5-mst-13.2.git] / lib / Pod / t / basic.t

#!/usr/bin/perl -w
# $Id: basic.t,v 1.1 2001/11/23 10:09:06 eagle Exp $
#
# basic.t -- Basic tests for podlators.
#
# Copyright 2001 by Russ Allbery <rra@stanford.edu>
#
# This program is free software; you may redistribute it and/or modify it
# under the same terms as Perl itself.

BEGIN {
    chdir 't' if -d 't';
    if ($ENV{PERL_CORE}) {
	@INC = '../lib';
    } else {
	unshift (@INC, '../blib/lib');
    }
    $| = 1;
    print "1..11\n";
}

END {
    print "not ok 1\n" unless $loaded;
}

use Pod::Man;
use Pod::Text;
use Pod::Text::Color;
use Pod::Text::Overstrike;
use Pod::Text::Termcap;

$loaded = 1;
print "ok 1\n";

# Hard-code a few values to try to get reproducible results.
@ENV{qw(TERMCAP COLUMNS)} = ('co=80:do=^J:md=\E[1m:us=\E[4m:me=\E[m', 80);

# Map of translators to file extensions to find the formatted output to
# compare against.
my %translators = ('Pod::Man'              => 'man',
                   'Pod::Text'             => 'txt',
                   'Pod::Text::Color'      => 'clr',
                   'Pod::Text::Overstrike' => 'ovr',
                   'Pod::Text::Termcap'    => 'cap');

# Set default options to match those of pod2man and pod2text.
%options = (sentence => 0);

sub basic {
    my $basic = shift;
    if ($ENV{PERL_CORE}) {
	require File::Spec;
	return File::Spec->catfile(File::Spec->catdir(File::Spec->updir,
						      "lib", "Pod", "t"),
				   $basic);
    }
    return $basic;
}

my $n = 2;
for (sort keys %translators) {
    my $parser = $_->new (%options);
    print (($parser && ref ($parser) eq $_) ? "ok $n\n" : "not ok $n\n");
    $n++;

    # For Pod::Man, strip out the autogenerated header up to the .TH title
    # line.  That means that we don't check those things; oh well.  The header
    # changes with each version change or touch of the input file.
    if ($_ eq 'Pod::Man') {
        $parser->parse_from_file (basic("basic.pod"), 'out.tmp');
        open (TMP, 'out.tmp') or die "Cannot open out.tmp: $!\n";
        open (OUTPUT, "> out.$translators{$_}")
            or die "Cannot create out.$translators{$_}: $!\n";
        local $_;
        while (<TMP>) { last if /^\.TH/ }
        print OUTPUT while <TMP>;
        close OUTPUT;
        close TMP;
        unlink 'out.tmp';
    } else {
        $parser->parse_from_file (basic("basic.pod"), "out.$translators{$_}");
    }
    {
        local $/;
        open (MASTER, basic("basic.$translators{$_}"))
            or die "Cannot open basic.$translators{$_}: $!\n";
        open (OUTPUT, "out.$translators{$_}")
            or die "Cannot open out.$translators{$_}: $!\n";
        my $master = <MASTER>;
        my $output = <OUTPUT>;
        close MASTER;
        close OUTPUT;
        if ($master eq $output) {
            print "ok $n\n";
            unlink "out.$translators{$_}";
        } else {
            print "not ok $n\n";
            print "# Non-matching output left in out.$translators{$_}\n";
        }
    }
    $n++;
}