mopidy/tests/mpd/request_handler_test.py
2010-07-31 20:19:24 +02:00

49 lines
1.9 KiB
Python

import unittest
from mopidy.backends.dummy import DummyBackend
from mopidy.mixers.dummy import DummyMixer
from mopidy.mpd import frontend, MpdAckError
class RequestHandlerTest(unittest.TestCase):
def setUp(self):
self.m = DummyMixer()
self.b = DummyBackend(mixer=self.m)
self.h = frontend.MpdFrontend(backend=self.b)
def test_register_same_pattern_twice_fails(self):
func = lambda: None
try:
frontend.handle_pattern('a pattern')(func)
frontend.handle_pattern('a pattern')(func)
self.fail('Registering a pattern twice shoulde raise ValueError')
except ValueError:
pass
def test_finding_handler_for_unknown_command_raises_exception(self):
try:
self.h.find_handler('an_unknown_command with args')
self.fail('Should raise exception')
except MpdAckError as e:
self.assertEqual(e.get_mpd_ack(),
u'ACK [5@0] {} unknown command "an_unknown_command"')
def test_finding_handler_for_known_command_returns_handler_and_kwargs(self):
expected_handler = lambda x: None
frontend._request_handlers['known_command (?P<arg1>.+)'] = \
expected_handler
(handler, kwargs) = self.h.find_handler('known_command an_arg')
self.assertEqual(handler, expected_handler)
self.assert_('arg1' in kwargs)
self.assertEqual(kwargs['arg1'], 'an_arg')
def test_handling_unknown_request_yields_error(self):
result = self.h.handle_request('an unhandled request')
self.assertEqual(result[0], u'ACK [5@0] {} unknown command "an"')
def test_handling_known_request(self):
expected = 'magic'
frontend._request_handlers['known request'] = lambda x: expected
result = self.h.handle_request('known request')
self.assert_(u'OK' in result)
self.assert_(expected in result)