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Tests for async volume up/down (#5265)
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tests/components/media_player/test_async_helpers.py
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117
tests/components/media_player/test_async_helpers.py
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"""The tests for the Async Media player helper functions."""
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import unittest
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import asyncio
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import homeassistant.components.media_player as mp
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from homeassistant.util.async import run_coroutine_threadsafe
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from tests.common import get_test_home_assistant
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class AsyncMediaPlayer(mp.MediaPlayerDevice):
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"""Async media player test class."""
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def __init__(self, hass):
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"""Initialize the test media player."""
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self.hass = hass
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self._volume = 0
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@property
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def volume_level(self):
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"""Volume level of the media player (0..1)."""
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return self._volume
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@asyncio.coroutine
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def async_set_volume_level(self, volume):
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"""Set volume level, range 0..1."""
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self._volume = volume
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class SyncMediaPlayer(mp.MediaPlayerDevice):
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"""Sync media player test class."""
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def __init__(self, hass):
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"""Initialize the test media player."""
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self.hass = hass
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self._volume = 0
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@property
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def volume_level(self):
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"""Volume level of the media player (0..1)."""
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return self._volume
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def set_volume_level(self, volume):
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"""Set volume level, range 0..1."""
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self._volume = volume
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def volume_up(self):
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"""Turn volume up for media player."""
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if self.volume_level < 1:
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self.set_volume_level(min(1, self.volume_level + .2))
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def volume_down(self):
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"""Turn volume down for media player."""
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if self.volume_level > 0:
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self.set_volume_level(max(0, self.volume_level - .2))
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class TestAsyncMediaPlayer(unittest.TestCase):
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"""Test the media_player module."""
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def setUp(self): # pylint: disable=invalid-name
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"""Setup things to be run when tests are started."""
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self.hass = get_test_home_assistant()
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self.player = AsyncMediaPlayer(self.hass)
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def tearDown(self):
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"""Shut down test instance."""
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self.hass.stop()
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def test_volume_up(self):
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"""Test the volume_up helper function."""
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self.assertEqual(self.player.volume_level, 0)
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run_coroutine_threadsafe(
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self.player.async_set_volume_level(0.5), self.hass.loop).result()
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self.assertEqual(self.player.volume_level, 0.5)
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run_coroutine_threadsafe(
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self.player.async_volume_up(), self.hass.loop).result()
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self.assertEqual(self.player.volume_level, 0.6)
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def test_volume_down(self):
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"""Test the volume_down helper function."""
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self.assertEqual(self.player.volume_level, 0)
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run_coroutine_threadsafe(
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self.player.async_set_volume_level(0.5), self.hass.loop).result()
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self.assertEqual(self.player.volume_level, 0.5)
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run_coroutine_threadsafe(
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self.player.async_volume_down(), self.hass.loop).result()
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self.assertEqual(self.player.volume_level, 0.4)
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class TestSyncMediaPlayer(unittest.TestCase):
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"""Test the media_player module."""
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def setUp(self): # pylint: disable=invalid-name
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"""Setup things to be run when tests are started."""
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self.hass = get_test_home_assistant()
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self.player = SyncMediaPlayer(self.hass)
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def tearDown(self):
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"""Shut down test instance."""
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self.hass.stop()
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def test_volume_up(self):
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"""Test the volume_up helper function."""
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self.assertEqual(self.player.volume_level, 0)
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self.player.set_volume_level(0.5)
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self.assertEqual(self.player.volume_level, 0.5)
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self.player.volume_up()
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self.assertEqual(self.player.volume_level, 0.7)
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def test_volume_down(self):
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"""Test the volume_down helper function."""
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self.assertEqual(self.player.volume_level, 0)
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self.player.set_volume_level(0.5)
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self.assertEqual(self.player.volume_level, 0.5)
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self.player.volume_down()
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self.assertEqual(self.player.volume_level, 0.3)
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