From ac8aa3a69a46716907f62404893ac99a3c52bce2 Mon Sep 17 00:00:00 2001
From: Amitai Schlair <schmonz-web-ikiwiki@schmonz.com>
Date: Mon, 18 Feb 2013 18:01:13 -0500
Subject: [PATCH] Make enclosure follow WikiLink LinkingRules.

---
 IkiWiki/Plugin/meta.pm |  8 +++++++-
 t/podcast.t            | 40 +++++++++++++++++++++++++++++++---------
 2 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index cb0768b91..c77837e3c 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -122,6 +122,13 @@ sub preprocess (@) {
 		return "";
 	}
 	elsif ($key eq 'enclosure') {
+		my $link=bestlink($page, $value);
+		if (! length $link) {
+			error gettext("enclosure not found")
+		}
+		add_depends($page, $link, deptype("presence"));
+
+		$value=urlto($link, $page);
 		$pagestate{$page}{meta}{enclosure}=$value;
 	}
 	elsif ($key eq 'author') {
@@ -322,7 +329,6 @@ sub pagetemplate (@) {
 	}
 
 	if (exists $pagestate{$page}{meta}{enclosure}) {
-		# XXX what if the enclosure doesn't exist?
 		$template->param(enclosure => $pagestate{$page}{meta}{enclosure});
 	}
 
diff --git a/t/podcast.t b/t/podcast.t
index 77f146871..993814742 100755
--- a/t/podcast.t
+++ b/t/podcast.t
@@ -3,16 +3,18 @@ use warnings;
 use strict;
 
 BEGIN {
-	eval q{use XML::Feed; use HTML::Parser};
+	eval q{use XML::Feed; use HTML::Parser; use HTML::LinkExtor};
 	if ($@) {
 		eval q{use Test::More skip_all =>
 			"XML::Feed and/or HTML::Parser not available"};
 	}
 	else {
-		eval q{use Test::More tests => 77};
+		eval q{use Test::More tests => 78};
 	}
 }
 
+use Cwd;
+
 my $tmp = 't/tmp';
 my $statedir = 't/tinypodcast/.ikiwiki';
 
@@ -23,8 +25,8 @@ sub simple_podcast {
 	push @command, qw(-set underlaydirbase=underlays -templatedir=templates);
 	push @command, "-url=$baseurl", qw(t/tinypodcast), "$tmp/out";
 
-	ok(! system("mkdir $tmp"));
-	ok(! system(@command));
+	ok(! system("mkdir $tmp"), q{setup});
+	ok(! system(@command), q{build});
 
 	my %media_types = (
 		'simplepost'	=> undef,
@@ -86,7 +88,7 @@ sub simple_podcast {
 		}
 	}
 
-	ok(! system("rm -rf $tmp $statedir"));
+	ok(! system("rm -rf $tmp $statedir"), q{teardown});
 }
 
 sub single_page_html {
@@ -95,8 +97,9 @@ sub single_page_html {
 	push @command, qw(-set underlaydirbase=underlays -templatedir=templates);
 	push @command, qw(t/tinypodcast), "$tmp/out";
 
-	ok(! system("mkdir $tmp"));
-	ok(! system(@command));
+	ok(! system("mkdir $tmp"), q{setup});
+	ok(! system(@command), q{build});
+
 	my $html = "$tmp/out/pianopost/index.html";
 
 	my $body = _extract_html_content($html, 'content');
@@ -105,10 +108,12 @@ sub single_page_html {
 	my $enclosure = _extract_html_content($html, 'enclosure');
 	like($enclosure, qr/Download this episode/m, q{html enclosure});
 
-	# XXX die if specified enclosure doesn't exist
+	my ($href) = _extract_html_links($html, 'piano');
+	ok(-f $href, q{html enclosure exists});
+
 	# XXX die if more than one enclosure is specified
 
-	ok(! system("rm -rf $tmp $statedir"));
+	ok(! system("rm -rf $tmp $statedir"), q{teardown});
 }
 
 sub _extract_html_content {
@@ -139,5 +144,22 @@ sub _extract_html_content {
 	return $content;
 }
 
+sub _extract_html_links {
+	my ($file, $desired_value) = @_;
+
+	my @hrefs = ();
+
+	my $p = HTML::LinkExtor->new(sub {
+		my ($tag, %attr) = @_;
+		return if $tag ne 'a';
+		return unless $attr{href} =~ qr/$desired_value/;
+		push(@hrefs, values %attr);
+	}, getcwd() . '/' . $file);
+
+	$p->parse_file($file);
+
+	return @hrefs;
+}
+
 simple_podcast();
 single_page_html();
-- 
2.39.2