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# Deejayd, a media player daemon
# Copyright (C) 2007-2009 Mickael Royer <mickael.royer@gmail.com>
# Alexandre Rossi <alexandre.rossi@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Deejayd JSON-RPC protocol testing"""
import re
from testdeejayd import TestCaseWithAudioAndVideoData, TestCaseWithData
from deejayd.mediafilters import *
from deejayd.interfaces import DeejaydSignal
from deejayd.net.client import _DeejayDaemon,\
DeejaydAnswer, DeejaydKeyValue, DeejaydList,\
DeejaydFileList, DeejaydMediaList,\
DeejaydStaticPlaylist, DeejaydError
from deejayd.rpc.jsonbuilders import JSONRPCRequest, JSONRPCResponse,\
Get_json_filter, DeejaydJSONSignal
def trim_json(json):
return re.sub('(\s{2,})|(\\n)',' ', json)
class TestJSONRPCBuilders(TestCaseWithData):
def test_request_builder(self):
""" test JSON-RPC request building """
cmd = JSONRPCRequest("m_name", ["args1", 2])
expected_answer = """{"params": ["args1", 2],
"method": "m_name",
"id": %d}""" % cmd.get_id()
self.assertEqual(trim_json(cmd.to_json()), trim_json(expected_answer))
def test_response_builder(self):
""" test JSON-RPC response building """
expected_answer = """{"id": 22,
"result": {"answer": ["r1", "r2"],
"type": "type1"}, "error": null}"""
ans = JSONRPCResponse({"type": "type1", "answer": ["r1", "r2"]}, 22)
self.assertEqual(trim_json(ans.to_json()), trim_json(expected_answer))
def test_filter_builder(self):
""" test JSON-RPC mediafilter building """
filter = And(Equals("artist", "artist_name"),\
Or(Contains("genre", "Rock"), Higher("Rating", "4")))
expected_answer = """{"type": "complex",
"id": "and",
"value": [{"type": "basic",
"id": "equals",
"value": {"pattern": "artist_name", "tag": "artist"}},
{"type": "complex",
"id": "or",
"value": [{"type": "basic",
"id": "contains",
"value": {"pattern": "Rock",
"tag": "genre"}},
{"type": "basic",
"id": "higher",
"value": {"pattern": "4",
"tag": "Rating"}}]}]}"""
f = Get_json_filter(filter)
self.assertEqual(trim_json(f.to_json()), trim_json(expected_answer))
def test_signal_builder(self):
""" test JSON-RPC Signal building """
signal = DeejaydSignal("signal_name", {"attr1": "value1", "attr2": 22})
expected_answer = """{"answer":
{"name": "signal_name",
"attrs": {"attr2": 22, "attr1": "value1"}},
"type": "signal"}"""
s = DeejaydJSONSignal(signal)
self.assertEqual(trim_json(s.to_json()), trim_json(expected_answer))
class TestAnswerParser(TestCaseWithData):
"""Test the Deejayd client library answer parser"""
def setUp(self):
super(TestAnswerParser, self).setUp()
self.deejayd = _DeejayDaemon()
def parse_answer(self, str):
self.deejayd._build_answer(str)
def test_answer_parser_wrongformat(self):
"""Test the client library parsing a wrong format answer"""
wrong_answer = """{"id": 1,
"result": {"answer": true,
"type": "ack"}}"""
ans = DeejaydAnswer()
ans.set_id(1)
self.deejayd.expected_answers_queue.put(ans)
self.assertRaises(DeejaydError, self.parse_answer, wrong_answer)
def test_answer_parser_wrongid(self):
"""Test the client library parsing an answer with wrong id"""
wrongid_answer = """{"id": 1,
"error": null,
"result": {"answer": true,
"type": "ack"}}"""
ans = DeejaydAnswer()
ans.set_id(2)
self.deejayd.expected_answers_queue.put(ans)
self.assertRaises(DeejaydError, self.parse_answer, wrongid_answer)
def test_answer_parser_ack(self):
"""Test the client library parsing an ack answer"""
ack_answer = """{"id": 1,
"result": {"answer": true,
"type": "ack"}, "error": null}"""
ans = DeejaydAnswer()
ans.set_id(1)
self.deejayd.expected_answers_queue.put(ans)
self.parse_answer(ack_answer)
self.failUnless(ans.get_contents())
def test_answer_parser_keyvalue(self):
"""Test the client library parsing a key value answer"""
how_much = 10
orig_key_value = {}
for count in range(how_much):
key = self.testdata.getRandomString()
value = self.testdata.getRandomString()
orig_key_value[key] = value
key_value_answer = """{"id": 1,
"error": null,
"result": {"type": "dict",
"answer": {%s}}}""" \
% ",".join([""" "%s": "%s" """ % (k,v) \
for k,v in orig_key_value.items()])
ans = DeejaydKeyValue()
ans.set_id(1)
self.deejayd.expected_answers_queue.put(ans)
self.parse_answer(key_value_answer)
retrieved_key_values = ans.get_contents()
for key in orig_key_value.keys():
self.assertEqual(orig_key_value[key], retrieved_key_values[key])
def test_answer_parser_list(self):
"""Test the client library parsing a list answer."""
how_much = 10
orig_list = []
for count in range(how_much):
item = self.testdata.getRandomString()
orig_list.append(item)
list_answer = """{"id": 1,
"error": null,
"result": {"type": "list",
"answer": [%s]}}""" \
% ",".join([""" "%s" """ % v for v in orig_list])
ans = DeejaydList()
ans.set_id(1)
self.deejayd.expected_answers_queue.put(ans)
self.parse_answer(list_answer)
retrieved_list = ans.get_contents()
for item in orig_list:
self.failUnless(item in retrieved_list)
def test_answer_parser_fileanddir_list(self):
"""Test the client library parsing a file/dir list answer"""
def dict_to_json(input):
return """{%s}""" % ",".join([""" "%s": "%s" """ % (k,v)\
for k,v in input.items()])
how_much = self.testdata.getRandomInt(50)
orig_files, orig_dirs = [], []
for count in range(how_much):
if self.testdata.getRandomElement(['file','directory']) == 'file':
file = {}
file['id'] = count
how_much_parms = self.testdata.getRandomInt()
for parm_count in range(how_much_parms):
name = self.testdata.getRandomString()
value = self.testdata.getRandomString()
file[name] = value
orig_files.append(file)
else:
dirname = self.testdata.getRandomString()
orig_dirs.append(dirname)
fandd_list_answer = """{"id": 1,
"error": null,
"result": {"type": "fileAndDirList",
"answer": {"type": "song",
"directories": [%(dirs)s],
"files": [%(files)s],
"root": ""}}}""" \
% {
"dirs": ",".join([""" "%s" """ % v for v in orig_dirs]),
"files": ",".join([""" %s """ % dict_to_json(v)\
for v in orig_files]),
}
ans = DeejaydFileList()
ans.set_id(1)
self.deejayd.expected_answers_queue.put(ans)
self.parse_answer(fandd_list_answer)
for file in orig_files:
# Find corresponding file in retrieved files
found = False
for retrieved_file in ans.get_files():
if file['id'] == int(retrieved_file['id']):
found = True
break
for key in file.keys():
self.failUnless(key in retrieved_file.keys())
self.assertEqual(unicode(file[key]), retrieved_file[key])
for dir in orig_dirs:
self.failUnless(unicode(dir) in ans.get_directories())
def test_answer_parser_medialist(self):
"""Test the client library parsing a medialist answer"""
def dict_to_json(input):
return """{%s}""" % ",".join([""" "%s": "%s" """ % (k,v)\
for k,v in input.items()])
how_much = self.testdata.getRandomInt(50)
orig_medias = []
for count in range(how_much):
media = {}
media['id'] = count
how_much_parms = self.testdata.getRandomInt()
for parm_count in range(how_much_parms):
name = self.testdata.getRandomString()
value = self.testdata.getRandomString()
media[name] = value
orig_medias.append(media)
filter = And(Equals("artist", "artist_name"),\
Or(Contains("genre", "Rock"), Higher("Rating", "4")))
json_filter = Get_json_filter(filter)
medialist_answer = """{"id": 1,
"error": null,
"result": {"type": "mediaList",
"answer": {"media_type": "song",
"medias": [%(medias)s],
"filter": %(filter)s}}}""" \
% {
"filter": json_filter.to_json(),
"medias": ",".join([""" %s """ % dict_to_json(v)\
for v in orig_medias]),
}
ans = DeejaydMediaList()
ans.set_id(1)
self.deejayd.expected_answers_queue.put(ans)
self.parse_answer(medialist_answer)
for media in orig_medias:
# Find corresponding media
found = False
for retrieved_media in ans.get_medias():
if media['id'] == int(retrieved_media['id']):
found = True
break
for key in media.keys():
self.failUnless(key in retrieved_media.keys())
self.assertEqual(unicode(media[key]), retrieved_media[key])
self.failUnless(ans.is_magic())
self.failUnless(filter.equals(ans.get_filter()))
def test_answer_parser_signal(self):
"""Parse a signal message"""
sig_name = self.testdata.getRandomElement(DeejaydSignal.SIGNALS)
raw_sig = """{"answer":
{"name": "%s",
"attrs": {"attr2": 22, "attr1": "value1"}},
"type": "signal"}""" % sig_name
signal_answer = """{"id": null,
"error": null,
"result": %s}""" % trim_json(raw_sig)
# We use a list here as a workaround of python nested scopes
# limitation : 'sig = None' and then in sig_received() 'sig = signal'
# would not work.
sig = []
def sig_received(signal):
sig.append(signal)
self.deejayd.subscribe(sig_name, sig_received)
self.parse_answer(signal_answer)
self.assertEqual(sig.pop().get_name(), sig_name)
# vim: ts=4 sw=4 expandtab
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