def test_youtube_object_with_a_tag(self):
"""hxs_media_utils.extract_url_from_youtube_object() can extract the source url if provided as a sub <a> tag"""
raw_html = """
<html>
<body>
<div id="youtube-media">
<object type="application/x-shockwave-flash" height="200" width="300" data="http://www.youtube.com/v/4tkHmGycfz4&amp;rel=0&amp;enablejsapi=1&amp;playerapiid=ytplayer&amp;fs=1" id="media-youtube-default-external-object-1">
<param name="movie" value="http://www.youtube.com/v/4tkHmGycfz4&amp;rel=0&amp;enablejsapi=1&amp;playerapiid=ytplayer&amp;fs=1">
<param name="allowScriptAccess" value="sameDomain">
<param name="quality" value="best">
<param name="allowFullScreen" value="true">
<param name="bgcolor" value="#FFFFFF">
<param name="scale" value="noScale">
<param name="salign" value="TL">
<param name="FlashVars" value="playerMode=embedded">
<param name="wmode" value="transparent">
<!-- Fallback content -->
<a href="http://www.youtube.com/watch?v=4tkHmGycfz4"><img src="http://img.youtube.com/vi/4tkHmGycfz4/0.jpg" alt="See video" title="See video" height="200" width="300"></a> </object>
</div>
</body>
</html>
"""
hxs = HtmlXPathSelector(text=raw_html)
youtube_object = hxs.select("//div [@id='youtube-media']/object")
expected_url = "http://www.youtube.com/watch?v=4tkHmGycfz4"
url = hxs_media_utils.extract_url_from_youtube_object(youtube_object)
eq_(expected_url, url)
def test_youtube_object_no_known_url(self):
"""hxs_media_utils.extract_url_from_youtube_object() raises ValueError if there is no known way to extract the URL"""
raw_html = """
<html>
<body>
<div id="youtube-media">
<object type="application/x-shockwave-flash" height="200" width="300" >
<param name="movie" value="http://www.youtube.com/v/4tkHmGycfz4&amp;rel=0&amp;enablejsapi=1&amp;playerapiid=ytplayer&amp;fs=1">
<param name="allowScriptAccess" value="sameDomain">
<param name="quality" value="best">
<param name="allowFullScreen" value="true">
<param name="bgcolor" value="#FFFFFF">
<param name="scale" value="noScale">
<param name="salign" value="TL">
<param name="FlashVars" value="playerMode=embedded">
<param name="wmode" value="transparent">
</div>
</body>
</html>
"""
hxs = HtmlXPathSelector(text=raw_html)
youtube_object = hxs.select("//div [@id='youtube-media']/object")
hxs_media_utils.extract_url_from_youtube_object(youtube_object)
