def test_can_set_via_color_tuple(self):
color = (128, 128, 128)
s = LightSettings()
s.set_color(color)
self.assertEquals(s.red, 128)
self.assertEquals(s.blue, 128)
self.assertEquals(s.green, 128)
def test_can_dim_lights_uniformly(self):
color = (100, 100, 100)
s = LightSettings()
s.set_color(color)
s.dim(75)
self.assertEquals(s.red, 75)
self.assertEquals(s.green, 75)
self.assertEquals(s.blue, 75)
def test_can_transition_one_way(self):
raspi = RasPi(self.mockconfig)
settings = LightSettings(red=0, green=0, blue=0)
settings2 = LightSettings(red=255, green=255, blue=255)
settings.next_settings = settings2
settings.on_duration = 0.015
settings2.transition_time = 0.015
raspi.apply_settings(settings)
for led in raspi.leds:
self.assertEquals(0, raspi.get_PWM_dutycycle(led))
gevent.sleep(0.07)
for led in raspi.leds:
self.assertEquals(255, raspi.get_PWM_dutycycle(led))
def test_can_load_from_json(self):
d = {'red': 10, 'blue': 20, 'green': 30,
'on_duration': 1}
json_str = json.dumps(d)
s = LightSettings.from_json(json_str)
self.assertTrue(s is not None)
self.assertEquals(s.red, 10)
self.assertEquals(s.blue, 20)
self.assertEquals(s.green, 30)
self.assertEquals(s.on_duration, 1)
def test_can_compare_settings_for_equivalence(self):
color = (100, 100, 100)
s = LightSettings()
s.set_color(color)
s2 = LightSettings()
s2.set_color(color)
self.assertEquals(s, s2)
self.assertFalse(s is s2)
def test_detects_cycles(self):
ls = LightSettings()
ls2 = LightSettings()
ls3 = LightSettings()
# make a cycle
ls.next_settings = ls2
ls2.next_settings = ls3
ls3.next_settings = ls
mod = Modifier()
mod.modify(ls)
self.assertIsNotNone(ls)
def test_can_serialize_to_json(self):
s = LightSettings()
s.red = 10
jsonstr = s.to_json()
self.assertEquals(jsonstr, '{"red": 10}')
def test_can_set_on_duration(self):
s = LightSettings()
s.on_duration = 3
self.assertEquals(s.on_duration, 3)
def test_invalid_blue_value_throws(self):
s = LightSettings()
with self.assertRaises(ValueError):
s.blue = -1
with self.assertRaises(ValueError):
s.blue = 256
def test_invalid_green_value_throws(self):
s = LightSettings()
with self.assertRaises(ValueError):
s.green = -0.01
with self.assertRaises(ValueError):
s.green = 100000
def test_invalid_red_value_throws(self):
s = LightSettings()
with self.assertRaises(ValueError):
s.red = -10
with self.assertRaises(ValueError):
s.red = 300
def test_can_set_green(self):
s = LightSettings()
s.green = 80
self.assertEquals(s.green, 80)
def test_can_set_red(self):
s = LightSettings()
s.red = 10
self.assertEquals(s.red, 10)
def test_can_set_blue(self):
s = LightSettings()
s.blue = 20
self.assertEquals(s.blue, 20)
def test_can_compare_settings_to_tuple(self):
color = (100, 100, 100)
s = LightSettings()
s.set_color(color)
self.assertEquals(s, color)
