1#!/usr/bin/perl -w
2# $Id: text-errors.t,v 1.1 2002/01/01 02:41:53 eagle Exp $
3#
4# texterrs.t -- Error tests for Pod::Text.
5#
6# Copyright 2001 by Russ Allbery <rra@stanford.edu>
7#
8# This program is free software; you may redistribute it and/or modify it
9# under the same terms as Perl itself.
10
11BEGIN {
12    chdir 't' if -d 't';
13    if ($ENV{PERL_CORE}) {
14        @INC = '../lib';
15    } else {
16        unshift (@INC, '../blib/lib');
17    }
18    unshift (@INC, '../blib/lib');
19    $| = 1;
20    print "1..5\n";
21}
22
23END {
24    print "not ok 1\n" unless $loaded;
25}
26
27use Pod::Text;
28
29$loaded = 1;
30print "ok 1\n";
31
32# Hard-code a few values to try to get reproducible results.
33$ENV{COLUMNS} = 80;
34$ENV{TERM} = 'xterm';
35$ENV{TERMCAP} = 'xterm:co=80:do=^J:md=\E[1m:us=\E[4m:me=\E[m';
36
37# Set default options to match those of pod2man and pod2text.
38my %options = (sentence => 0);
39
40# Capture warnings for inspection.
41my $warnings = '';
42$SIG{__WARN__} = sub { $warnings .= $_[0] };
43
44# Run a single test, given some POD to parse and the warning messages that are
45# expected.  Any formatted output is ignored; only warning messages are
46# checked.  Writes the POD to a temporary file since that's the easiest way to
47# interact with Pod::Parser.
48sub test_error {
49    my ($pod, $expected) = @_;
50    open (TMP, '> tmp.pod') or die "Cannot create tmp.pod: $!\n";
51    print TMP $pod;
52    close TMP;
53    my $parser = Pod::Text->new (%options);
54    return unless $parser;
55    $warnings = '';
56    $parser->parse_from_file ('tmp.pod', 'out.tmp');
57    unlink ('tmp.pod', 'out.tmp');
58    if ($warnings eq $expected) {
59        return 1;
60    } else {
61        print "  # '$warnings'\n  # '$expected'\n";
62        return 0;
63    }
64}
65
66# The actual tests.
67my @tests = (
68    [ "=head1 a E<0x2028> b\n"
69        => "tmp.pod:1: Unknown escape: E<0x2028>\n" ],
70    [ "=head1 a Y<0x2028> b\n"
71        => "tmp.pod:1: Unknown formatting code: Y<0x2028>\n" ],
72    [ "=head1 TEST\n\n=command args\n"
73        => "tmp.pod:3: Unknown command paragraph: =command args\n" ],
74    [ "=head1 TEST\n\n  Foo bar\n\n=back\n"
75        => "tmp.pod:5: Unmatched =back\n" ]
76);
77my $n = 2;
78for (@tests) {
79    print (test_error ($$_[0], $$_[1]) ? "ok $n\n" : "not ok $n\n");
80    $n++;
81}
82