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mirror of https://github.com/spl0k/supysonic.git synced 2024-12-22 17:06:17 +00:00

Added playlist tests

This commit is contained in:
spl0k 2017-11-08 23:21:52 +01:00
parent 336f556ced
commit 27bd7bce0c
5 changed files with 325 additions and 72 deletions

View File

@ -16,6 +16,7 @@ from .test_system import SystemTestCase
from .test_user import UserTestCase
from .test_chat import ChatTestCase
from .test_search import SearchTestCase
from .test_playlist import PlaylistTestCase
def suite():
suite = unittest.TestSuite()
@ -26,6 +27,7 @@ def suite():
suite.addTest(unittest.makeSuite(UserTestCase))
suite.addTest(unittest.makeSuite(ChatTestCase))
suite.addTest(unittest.makeSuite(SearchTestCase))
suite.addTest(unittest.makeSuite(PlaylistTestCase))
return suite

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@ -21,7 +21,8 @@ from .appmock import AppMock
path_replace_regexp = re.compile(r'/(\w+)')
NS = '{http://subsonic.org/restapi}'
NS = 'http://subsonic.org/restapi'
NSMAP = { 'sub': NS }
class ApiTestBase(unittest.TestCase):
def setUp(self):
@ -47,19 +48,19 @@ class ApiTestBase(unittest.TestCase):
def _find(self, xml, path):
"""
Helper method that insert the namespace in XPath 'path'
Helper method that insert the namespace in ElementPath 'path'
"""
path = path_replace_regexp.sub(r'/{}\1'.format(NS), path)
path = path_replace_regexp.sub(r'/{{{}}}\1'.format(NS), path)
return xml.find(path)
def _findall(self, xml, path):
def _xpath(self, elem, path):
"""
Helper method that insert the namespace in XPath 'path'
Helper method that insert a prefix and map the namespace in XPath 'path'
"""
path = path_replace_regexp.sub(r'/{}\1'.format(NS), path)
return xml.findall(path)
path = path_replace_regexp.sub(r'/sub:\1', path)
return elem.xpath(path, namespaces = NSMAP)
def _make_request(self, endpoint, args = {}, tag = None, error = None, skip_post = False):
"""
@ -99,14 +100,14 @@ class ApiTestBase(unittest.TestCase):
if 'status="ok"' in rg.data:
self.assertIsNone(error)
if tag:
self.assertEqual(xml[0].tag, NS + tag)
self.assertEqual(xml[0].tag, '{{{}}}{}'.format(NS, tag))
return rg, xml[0]
else:
self.assertEqual(len(xml), 0)
return rg, None
else:
self.assertIsNone(tag)
self.assertEqual(xml[0].tag, NS + 'error')
self.assertEqual(xml[0].tag, '{{{}}}error'.format(NS))
self.assertEqual(xml[0].get('code'), str(error))
return rg

250
tests/api/test_playlist.py Normal file
View File

@ -0,0 +1,250 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# This file is part of Supysonic.
# Supysonic is a Python implementation of the Subsonic server API.
#
# Copyright (C) 2017 Alban 'spl0k' Féron
#
# Distributed under terms of the GNU AGPLv3 license.
import uuid
from supysonic.db import Folder, Artist, Album, Track, Playlist, User
from .apitestbase import ApiTestBase
class PlaylistTestCase(ApiTestBase):
def setUp(self):
super(PlaylistTestCase, self).setUp()
root = Folder()
root.root = True
root.name = 'Root folder'
root.path = 'tests/assets'
self.store.add(root)
artist = Artist()
artist.name = 'Artist'
album = Album()
album.name = 'Album'
album.artist = artist
songs = {}
for num, song in enumerate([ 'One', 'Two', 'Three', 'Four' ]):
track = Track()
track.disc = 1
track.number = num
track.title = song
track.duration = 2
track.album = album
track.artist = artist
track.bitrate = 320
track.path = 'tests/assets/empty'
track.content_type = 'audio/mpeg'
track.last_modification = 0
track.root_folder = root
track.folder = root
self.store.add(track)
songs[song] = track
users = { u.name: u for u in self.store.find(User) }
playlist = Playlist()
playlist.user = users['alice']
playlist.name = "Alice's"
playlist.add(songs['One'])
playlist.add(songs['Three'])
self.store.add(playlist)
playlist = Playlist()
playlist.user = users['alice']
playlist.public = True
playlist.name = "Alice's public"
playlist.add(songs['One'])
playlist.add(songs['Two'])
self.store.add(playlist)
playlist = Playlist()
playlist.user = users['bob']
playlist.name = "Bob's"
playlist.add(songs['Two'])
playlist.add(songs['Four'])
self.store.add(playlist)
self.store.commit()
def test_get_playlists(self):
# get own playlists
rv, child = self._make_request('getPlaylists', tag = 'playlists')
self.assertEqual(len(child), 2)
self.assertEqual(child[0].get('owner'), 'alice')
self.assertEqual(child[1].get('owner'), 'alice')
# get own and public
rv, child = self._make_request('getPlaylists', { 'u': 'bob', 'p': 'B0b' }, tag = 'playlists')
self.assertEqual(len(child), 2)
self.assertTrue(child[0].get('owner') == 'alice' or child[1].get('owner') == 'alice')
self.assertTrue(child[0].get('owner') == 'bob' or child[1].get('owner') == 'bob')
self.assertIsNotNone(self._find(child, "./playlist[@owner='alice'][@public='true']"))
# get other
rv, child = self._make_request('getPlaylists', { 'username': 'bob' }, tag = 'playlists')
self.assertEqual(len(child), 1)
self.assertEqual(child[0].get('owner'), 'bob')
# get other when not admin
self._make_request('getPlaylists', { 'u': 'bob', 'p': 'B0b', 'username': 'alice' }, error = 50)
# get from unknown user
self._make_request('getPlaylists', { 'username': 'johndoe' }, error = 70)
def test_get_playlist(self):
# missing param
self._make_request('getPlaylist', error = 10)
# invalid id
self._make_request('getPlaylist', { 'id': 1234 }, error = 0)
# unknown
self._make_request('getPlaylist', { 'id': str(uuid.uuid4()) }, error = 70)
# other's private from non admin
playlist = self.store.find(Playlist, Playlist.public == False, Playlist.user_id == User.id, User.name == 'alice').one()
self._make_request('getPlaylist', { 'u': 'bob', 'p': 'B0b', 'id': str(playlist.id) }, error = 50)
# standard
rv, child = self._make_request('getPlaylists', tag = 'playlists')
rv, child = self._make_request('getPlaylist', { 'id': child[0].get('id') }, tag = 'playlist')
self.assertEqual(child.get('songCount'), '2')
self.assertEqual(self._xpath(child, 'count(./entry)'), 2) # don't count children, there may be 'allowedUser's (even though not supported by supysonic)
self.assertEqual(child.get('duration'), '4')
self.assertEqual(child[0].get('title'), 'One')
self.assertTrue(child[1].get('title') == 'Two' or child[1].get('title') == 'Three') # depending on 'getPlaylists' result ordering
def test_create_playlist(self):
self._make_request('createPlaylist', error = 10)
self._make_request('createPlaylist', { 'name': 'wrongId', 'songId': 'abc' }, error = 0)
self._make_request('createPlaylist', { 'name': 'unknownId', 'songId': str(uuid.uuid4()) }, error = 70)
self._make_request('createPlaylist', { 'playlistId': 'abc' }, error = 0)
self._make_request('createPlaylist', { 'playlistId': str(uuid.uuid4()) }, error = 70)
# create
self._make_request('createPlaylist', { 'name': 'new playlist' }, skip_post = True)
rv, child = self._make_request('getPlaylists', tag = 'playlists')
self.assertEqual(len(child), 3)
playlist = self._find(child, "./playlist[@name='new playlist']")
self.assertEqual(len(playlist), 0)
# "update" newly created
self._make_request('createPlaylist', { 'playlistId': playlist.get('id') })
rv, child = self._make_request('getPlaylists', tag = 'playlists')
self.assertEqual(len(child), 3)
# renaming
self._make_request('createPlaylist', { 'playlistId': playlist.get('id'), 'name': 'renamed' })
rv, child = self._make_request('getPlaylists', tag = 'playlists')
self.assertEqual(len(child), 3)
self.assertIsNone(self._find(child, "./playlist[@name='new playlist']"))
playlist = self._find(child, "./playlist[@name='renamed']")
self.assertIsNotNone(playlist)
# update from other user
self._make_request('createPlaylist', { 'u': 'bob', 'p': 'B0b', 'playlistId': playlist.get('id') }, error = 50)
# create more useful playlist
songs = { s.title: str(s.id) for s in self.store.find(Track) }
self._make_request('createPlaylist', { 'name': 'songs', 'songId': map(lambda s: songs[s], [ 'Three', 'One', 'Two' ]) }, skip_post = True)
playlist = self.store.find(Playlist, Playlist.name == 'songs').one()
self.assertIsNotNone(playlist)
rv, child = self._make_request('getPlaylist', { 'id': str(playlist.id) }, tag = 'playlist')
self.assertEqual(child.get('songCount'), '3')
self.assertEqual(self._xpath(child, 'count(./entry)'), 3)
self.assertEqual(child[0].get('title'), 'Three')
self.assertEqual(child[1].get('title'), 'One')
self.assertEqual(child[2].get('title'), 'Two')
# update
self._make_request('createPlaylist', { 'playlistId': str(playlist.id), 'songId': songs['Two'] }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': str(playlist.id) }, tag = 'playlist')
self.assertEqual(child.get('songCount'), '1')
self.assertEqual(self._xpath(child, 'count(./entry)'), 1)
self.assertEqual(child[0].get('title'), 'Two')
def test_delete_playlist(self):
# check params
self._make_request('deletePlaylist', error = 10)
self._make_request('deletePlaylist', { 'id': 'string' }, error = 0)
self._make_request('deletePlaylist', { 'id': str(uuid.uuid4()) }, error = 70)
# delete unowned when not admin
playlist = self.store.find(Playlist, Playlist.user_id == User.id, User.name == 'alice')[0]
self._make_request('deletePlaylist', { 'u': 'bob', 'p': 'B0b', 'id': str(playlist.id) }, error = 50)
self.assertEqual(self.store.find(Playlist).count(), 3)
# delete owned
self._make_request('deletePlaylist', { 'id': str(playlist.id) }, skip_post = True)
self.assertEqual(self.store.find(Playlist).count(), 2)
self._make_request('deletePlaylist', { 'id': str(playlist.id) }, error = 70)
self.assertEqual(self.store.find(Playlist).count(), 2)
# delete unowned when admin
playlist = self.store.find(Playlist, Playlist.user_id == User.id, User.name == 'bob').one()
self._make_request('deletePlaylist', { 'id': str(playlist.id) }, skip_post = True)
self.assertEqual(self.store.find(Playlist).count(), 1)
def test_update_playlist(self):
self._make_request('updatePlaylist', error = 10)
self._make_request('updatePlaylist', { 'playlistId': 1234 }, error = 0)
self._make_request('updatePlaylist', { 'playlistId': str(uuid.uuid4()) }, error = 70)
playlist = self.store.find(Playlist, Playlist.user_id == User.id, User.name == 'alice')[0]
pid = str(playlist.id)
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIdToAdd': 'string' }, error = 0)
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIndexToRemove': 'string' }, error = 0)
name = str(playlist.name)
self._make_request('updatePlaylist', { 'u': 'bob', 'p': 'B0b', 'playlistId': pid, 'name': 'new name' }, error = 50)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertEqual(child.get('name'), name)
self.assertEqual(self._xpath(child, 'count(./entry)'), 2)
self._make_request('updatePlaylist', { 'playlistId': pid, 'name': 'new name' }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertEqual(child.get('name'), 'new name')
self.assertEqual(self._xpath(child, 'count(./entry)'), 2)
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIndexToRemove': [ -1, 2 ] }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertEqual(self._xpath(child, 'count(./entry)'), 2)
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIndexToRemove': [ 0, 2 ] }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertEqual(self._xpath(child, 'count(./entry)'), 1)
self.assertEqual(self._find(child, './entry').get('title'), 'Three')
songs = { s.title: str(s.id) for s in self.store.find(Track) }
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIdToAdd': [ songs['One'], songs['Two'], songs['Two'] ] }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertSequenceEqual(self._xpath(child, './entry/@title'), [ 'Three', 'One', 'Two', 'Two' ])
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIndexToRemove': [ 2, 1 ] }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertSequenceEqual(self._xpath(child, './entry/@title'), [ 'Three', 'Two' ])
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIdToAdd': songs['One'] }, skip_post = True)
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIndexToRemove': [ 1, 1 ] }, skip_post = True)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertSequenceEqual(self._xpath(child, './entry/@title'), [ 'Three', 'One' ])
self._make_request('updatePlaylist', { 'playlistId': pid, 'songIdToAdd': str(uuid.uuid4()) }, error = 70)
rv, child = self._make_request('getPlaylist', { 'id': pid }, tag = 'playlist')
self.assertEqual(self._xpath(child, 'count(./entry)'), 2)
if __name__ == '__main__':
unittest.main()

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@ -165,7 +165,7 @@ class SearchTestCase(ApiTestBase):
self.assertEqual(child.get('offset'), str(offset))
for song in map(self.__track_as_pseudo_unique_str, child):
self.assertNotIn(song, songs)
songs += list(map(self.__track_as_pseudo_unique_str, child))
songs.append(song)
def test_search2(self):
# invalid parameters
@ -186,72 +186,72 @@ class SearchTestCase(ApiTestBase):
# artist search
rv, child = self._make_request('search2', { 'query': 'Artist' }, tag = 'searchResult2')
self.assertEqual(len(child), 1)
self.assertEqual(len(self._findall(child, './artist')), 1)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 1)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 0)
self.assertEqual(child[0].get('name'), 'Artist')
rv, child = self._make_request('search2', { 'query': 'rti' }, tag = 'searchResult2')
self.assertEqual(len(child), 3)
self.assertEqual(len(self._findall(child, './artist')), 3)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 3)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 0)
# album search
rv, child = self._make_request('search2', { 'query': 'AAlbum' }, tag = 'searchResult2')
self.assertEqual(len(child), 1)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 1)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 1)
self.assertEqual(len(self._xpath(child, './song')), 0)
self.assertEqual(child[0].get('title'), 'AAlbum')
self.assertEqual(child[0].get('artist'), 'Artist')
rv, child = self._make_request('search2', { 'query': 'lbu' }, tag = 'searchResult2')
self.assertEqual(len(child), 6)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 6)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 6)
self.assertEqual(len(self._xpath(child, './song')), 0)
# song search
rv, child = self._make_request('search2', { 'query': 'One' }, tag = 'searchResult2')
self.assertEqual(len(child), 6)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 6)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 6)
for i in range(6):
self.assertEqual(child[i].get('title'), 'One')
rv, child = self._make_request('search2', { 'query': 'e' }, tag = 'searchResult2')
self.assertEqual(len(child), 12)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 12)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 12)
# any field search
rv, child = self._make_request('search2', { 'query': 'r' }, tag = 'searchResult2')
self.assertEqual(len(child), 9)
self.assertEqual(len(self._findall(child, './artist')), 3)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 6)
self.assertEqual(len(self._xpath(child, './artist')), 3)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 6)
# paging
artists = []
for offset in range(0, 4, 2):
rv, child = self._make_request('search2', { 'query': 'r', 'artistCount': 2, 'artistOffset': offset }, tag = 'searchResult2')
elems = self._findall(child, './artist')
self.assertLessEqual(len(elems), 2)
for artist in map(lambda a: a.get('name'), elems):
self.assertNotIn(artist, artists)
artists += list(map(lambda a: a.get('name'), elems))
names = self._xpath(child, './artist/@name')
self.assertLessEqual(len(names), 2)
for name in names:
self.assertNotIn(name, artists)
artists.append(name)
songs = []
for offset in range(0, 6, 2):
rv, child = self._make_request('search2', { 'query': 'r', 'songCount': 2, 'songOffset': offset }, tag = 'searchResult2')
elems = self._findall(child, './song')
elems = self._xpath(child, './song')
self.assertEqual(len(elems), 2)
for song in map(self.__track_as_pseudo_unique_str, elems):
self.assertNotIn(song, songs)
songs += list(map(self.__track_as_pseudo_unique_str, elems))
songs.append(song)
# Almost identical as above. Test dataset (and tests) should probably be changed
# to have folders that don't share names with artists or albums
@ -274,72 +274,72 @@ class SearchTestCase(ApiTestBase):
# artist search
rv, child = self._make_request('search3', { 'query': 'Artist' }, tag = 'searchResult3')
self.assertEqual(len(child), 1)
self.assertEqual(len(self._findall(child, './artist')), 1)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 1)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 0)
self.assertEqual(child[0].get('name'), 'Artist')
rv, child = self._make_request('search3', { 'query': 'rti' }, tag = 'searchResult3')
self.assertEqual(len(child), 3)
self.assertEqual(len(self._findall(child, './artist')), 3)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 3)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 0)
# album search
rv, child = self._make_request('search3', { 'query': 'AAlbum' }, tag = 'searchResult3')
self.assertEqual(len(child), 1)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 1)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 1)
self.assertEqual(len(self._xpath(child, './song')), 0)
self.assertEqual(child[0].get('name'), 'AAlbum')
self.assertEqual(child[0].get('artist'), 'Artist')
rv, child = self._make_request('search3', { 'query': 'lbu' }, tag = 'searchResult3')
self.assertEqual(len(child), 6)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 6)
self.assertEqual(len(self._findall(child, './song')), 0)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 6)
self.assertEqual(len(self._xpath(child, './song')), 0)
# song search
rv, child = self._make_request('search3', { 'query': 'One' }, tag = 'searchResult3')
self.assertEqual(len(child), 6)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 6)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 6)
for i in range(6):
self.assertEqual(child[i].get('title'), 'One')
rv, child = self._make_request('search3', { 'query': 'e' }, tag = 'searchResult3')
self.assertEqual(len(child), 12)
self.assertEqual(len(self._findall(child, './artist')), 0)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 12)
self.assertEqual(len(self._xpath(child, './artist')), 0)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 12)
# any field search
rv, child = self._make_request('search3', { 'query': 'r' }, tag = 'searchResult3')
self.assertEqual(len(child), 9)
self.assertEqual(len(self._findall(child, './artist')), 3)
self.assertEqual(len(self._findall(child, './album')), 0)
self.assertEqual(len(self._findall(child, './song')), 6)
self.assertEqual(len(self._xpath(child, './artist')), 3)
self.assertEqual(len(self._xpath(child, './album')), 0)
self.assertEqual(len(self._xpath(child, './song')), 6)
# paging
artists = []
for offset in range(0, 4, 2):
rv, child = self._make_request('search3', { 'query': 'r', 'artistCount': 2, 'artistOffset': offset }, tag = 'searchResult3')
elems = self._findall(child, './artist')
self.assertLessEqual(len(elems), 2)
for artist in map(lambda a: a.get('name'), elems):
self.assertNotIn(artist, artists)
artists += list(map(lambda a: a.get('name'), elems))
names = self._xpath(child, './artist/@name')
self.assertLessEqual(len(names), 2)
for name in names:
self.assertNotIn(name, artists)
artists.append(name)
songs = []
for offset in range(0, 6, 2):
rv, child = self._make_request('search3', { 'query': 'r', 'songCount': 2, 'songOffset': offset }, tag = 'searchResult3')
elems = self._findall(child, './song')
elems = self._xpath(child, './song')
self.assertEqual(len(elems), 2)
for song in map(self.__track_as_pseudo_unique_str, elems):
self.assertNotIn(song, songs)
songs += list(map(self.__track_as_pseudo_unique_str, elems))
songs.append(song)
if __name__ == '__main__':
unittest.main()