mopidy/tests/mixers/base_test.py
2010-08-14 18:18:15 +02:00

37 lines
1.1 KiB
Python

class BaseMixerTest(object):
MIN = 0
MAX = 100
ACTUAL_MIN = MIN
ACTUAL_MAX = MAX
INITIAL = None
mixer_class = None
def setUp(self):
assert self.mixer_class is not None, \
"mixer_class must be set in subclass"
self.mixer = self.mixer_class(None)
def test_initial_volume(self):
self.assertEqual(self.mixer.volume, self.INITIAL)
def test_volume_set_to_min(self):
self.mixer.volume = self.MIN
self.assertEqual(self.mixer.volume, self.ACTUAL_MIN)
def test_volume_set_to_max(self):
self.mixer.volume = self.MAX
self.assertEqual(self.mixer.volume, self.ACTUAL_MAX)
def test_volume_set_to_below_min_results_in_min(self):
self.mixer.volume = -10
self.assertEqual(self.mixer.volume, self.ACTUAL_MIN)
def test_volume_set_to_above_max_results_in_max(self):
self.mixer.volume = self.MAX + 10
self.assertEqual(self.mixer.volume, self.ACTUAL_MAX)
def test_volume_is_not_float(self):
self.mixer.volume = 1.0 / 3 * 100
self.assertEqual(self.mixer.volume, 33)