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# -*- coding: utf-8 -*-
# Licensed under the MIT license
# http://opensource.org/licenses/mit-license.php
# Copyright 2008, Frank Scholz <coherence@beebits.net>
"""
Test cases for L{upnp.core.DIDLLite}
"""
from copy import copy
from twisted.trial import unittest
from coherence.upnp.core import DIDLLite
didl_fragment = """
<DIDL-Lite xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dlna="urn:schemas-dlna-org:metadata-1-0"
xmlns:pv="http://www.pv.com/pvns/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/">
<container childCount="23" id="1161" parentID="103" restricted="0">
<dc:title>12</dc:title>
<upnp:class>object.container.album.musicAlbum</upnp:class>
<dc:date>1997-02-28T17:20:00+01:00</dc:date>
<upnp:albumArtURI dlna:profileID="JPEG_TN" xmlns:dlna="urn:schemas-dlna-org:metadata-1-0">http://192.168.1.1:30020/776dec17-1ce1-4c87-841e-cac61a14a2e0/1161?cover.jpg</upnp:albumArtURI>
<upnp:artist>Herby Sängermeister</upnp:artist>
</container>
</DIDL-Lite>"""
test_didl_fragment = """
<DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/"
xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite">
<item id="" restricted="0">
<dc:title>New Track</dc:title>
<upnp:class>object.item.audioItem.musicTrack</upnp:class>
<res protocolInfo="*:*:audio:*">
</res>
</item>
</DIDL-Lite>"""
class TestDIDLLite(unittest.TestCase):
def test_DIDLElement_class_detect(self):
""" tests class creation from an XML DIDLLite fragment,
expects a MusicAlbum container in return
"""
didl_element = DIDLLite.DIDLElement.fromString(didl_fragment)
items = didl_element.getItems()
self.assertEqual(len(items),1)
self.assertTrue(isinstance(items[0],DIDLLite.MusicAlbum))
def test_DIDLElement_class_2_detect(self):
""" tests class creation from an XML DIDLLite fragment,
expects a MusicTrack item in return
"""
didl_element = DIDLLite.DIDLElement.fromString(test_didl_fragment)
items = didl_element.getItems()
self.assertEqual(len(items),1)
self.assertTrue(isinstance(items[0],DIDLLite.MusicTrack))
def test_DIDLElement_class_fallback_1(self):
""" tests class fallback creation from an XML DIDLLite fragment with
an unknown UPnP class identifier,
expects an Album container in return
"""
wrong_didl_fragment = copy(didl_fragment)
wrong_didl_fragment = wrong_didl_fragment.replace('object.container.album.musicAlbum', 'object.container.album.videoAlbum')
didl_element = DIDLLite.DIDLElement.fromString(wrong_didl_fragment)
items = didl_element.getItems()
self.assertEqual(len(items),1)
self.assertTrue(isinstance(items[0],DIDLLite.Album))
def test_DIDLElement_class_fallback_2(self):
""" tests class fallback creation from an XML DIDLLite fragment with
an unknown UPnP class identifier,
expects an Exception.AttributeError
"""
wrong_didl_fragment = copy(didl_fragment)
wrong_didl_fragment = wrong_didl_fragment.replace('object.container.album.musicAlbum', 'object.wrongcontainer.wrongalbum.videoAlbum')
e = None
try:
didl_element = DIDLLite.DIDLElement.fromString(wrong_didl_fragment)
except AttributeError:
return
self.assert_(False,"DIDLElement didn't return None from a totally wrong UPnP class identifier")
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