From 8fd0059bf69ed16ed4efad7b8e16dc2afda32e18 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Fri, 23 Apr 2010 15:40:48 -0700
Subject: Test cases and fixes for Atom and RSS content decoding.

Fix extraction of Atom <content type="text"> and <content type="html">; we were failing to escape plaintext source data to HTML, and doing an extraneous double-deescape on HTML source resulting in breakage of notices containing text that looks like HTML. Only <content type="xhtml"> was working correctly previously.
Fixes for RSS2 content processing: we were failing to load <content:encoded> at all due to using wrong element name, and were applying an extraneous de-escape for <description> rather than the escaping that is required to turn plaintext into HTML. (Per spec, <description> must be plaintext.)
---
 tests/ActivityParseTests.php | 77 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

(limited to 'tests/ActivityParseTests.php')

diff --git a/tests/ActivityParseTests.php b/tests/ActivityParseTests.php
index 4563da914..378478d74 100644
--- a/tests/ActivityParseTests.php
+++ b/tests/ActivityParseTests.php
@@ -32,6 +32,18 @@ class ActivityParseTests extends PHPUnit_Framework_TestCase
         $this->assertEquals('tag:versioncentral.example.org,2009:/change/1643245', $act->objects[0]->id);
     }
 
+    public function testExample2()
+    {
+        global $_example2;
+        $dom = DOMDocument::loadXML($_example2);
+        $act = new Activity($dom->documentElement);
+
+        $this->assertFalse(empty($act));
+        // Did we handle <content type="html"> correctly with a typical payload?
+        $this->assertEquals("<p>Geraldine posted a Photo on PhotoPanic</p>\n     " .
+                            "<img src=\"/geraldine/photo1.jpg\">", trim($act->content));
+    }
+
     public function testExample3()
     {
         global $_example3;
@@ -305,6 +317,71 @@ class ActivityParseTests extends PHPUnit_Framework_TestCase
 
     }
 
+    public function testAtomContent()
+    {
+        $tests = array(array("<content>Some regular plain text.</content>",
+                             "Some regular plain text."),
+                       array("<content>&lt;b&gt;this is not HTML&lt;/b&gt;</content>",
+                             "&lt;b&gt;this is not HTML&lt;/b&gt;"),
+                       array("<content type='html'>Some regular plain HTML.</content>",
+                             "Some regular plain HTML."),
+                       array("<content type='html'>&lt;b&gt;this is too HTML&lt;/b&gt;</content>",
+                             "<b>this is too HTML</b>"),
+                       array("<content type='html'>&amp;lt;b&amp;gt;but this is not HTML!&amp;lt;/b&amp;gt;</content>",
+                             "&lt;b&gt;but this is not HTML!&lt;/b&gt;"),
+                       array("<content type='xhtml'><div xmlns='http://www.w3.org/1999/xhtml'>Some regular plain XHTML.</div></content>",
+                             "Some regular plain XHTML."),
+                       array("<content type='xhtml'><div xmlns='http://www.w3.org/1999/xhtml'><b>This is some XHTML!</b></div></content>",
+                             "<b>This is some XHTML!</b>"),
+                       array("<content type='xhtml'><div xmlns='http://www.w3.org/1999/xhtml'>&lt;b&gt;This is not some XHTML!&lt;/b&gt;</div></content>",
+                             "&lt;b&gt;This is not some XHTML!&lt;/b&gt;"),
+                       array("<content type='xhtml'><div xmlns='http://www.w3.org/1999/xhtml'>&amp;lt;b&amp;gt;This is not some XHTML either!&amp;lt;/b&amp;gt;</div></content>",
+                             "&amp;lt;b&amp;gt;This is not some XHTML either!&amp;lt;/b&amp;gt;"));
+        foreach ($tests as $data) {
+            list($source, $output) = $data;
+            $xml = "<entry xmlns='http://www.w3.org/2005/Atom'>" .
+                   "<id>http://example.com/fakeid</id>" .
+                   "<author><name>Test</name></author>" .
+                   "<title>Atom content tests</title>" .
+                   $source .
+                   "</entry>";
+            $dom = DOMDocument::loadXML($xml);
+            $act = new Activity($dom->documentElement);
+
+            $this->assertFalse(empty($act));
+            $this->assertEquals($output, trim($act->content));
+        }
+    }
+
+    public function testRssContent()
+    {
+        $tests = array(array("<content:encoded>Some regular plain HTML.</content:encoded>",
+                             "Some regular plain HTML."),
+                       array("<content:encoded>Some &lt;b&gt;exciting bold HTML&lt;/b&gt;</content:encoded>",
+                             "Some <b>exciting bold HTML</b>"),
+                       array("<content:encoded>Some &amp;lt;b&amp;gt;escaped non-HTML.&amp;lt;/b&amp;gt;</content:encoded>",
+                             "Some &lt;b&gt;escaped non-HTML.&lt;/b&gt;"),
+                       array("<description>Some plain text.</description>",
+                             "Some plain text."),
+                       array("<description>Some &lt;b&gt;non-HTML text&lt;/b&gt;</description>",
+                             "Some &lt;b&gt;non-HTML text&lt;/b&gt;"),
+                       array("<description>Some &amp;lt;b&amp;gt;double-escaped text&amp;lt;/b&amp;gt;</description>",
+                             "Some &amp;lt;b&amp;gt;double-escaped text&amp;lt;/b&amp;gt;"));
+        foreach ($tests as $data) {
+            list($source, $output) = $data;
+            $xml = "<item xmlns:content='http://purl.org/rss/1.0/modules/content/'>" .
+                   "<guid>http://example.com/fakeid</guid>" .
+                   "<title>RSS content tests</title>" .
+                   $source .
+                   "</item>";
+            $dom = DOMDocument::loadXML($xml);
+            $act = new Activity($dom->documentElement);
+
+            $this->assertFalse(empty($act));
+            $this->assertEquals($output, trim($act->content));
+        }
+    }
+
 }
 
 $_example1 = <<<EXAMPLE1
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