core/tests/components/file/test_sensor.py

86 lines
3.0 KiB
Python

"""The tests for local file sensor platform."""
import unittest
# Using third party package because of a bug reading binary data in Python 3.4
# https://bugs.python.org/issue23004
from mock_open import MockOpen
from homeassistant.const import STATE_UNKNOWN
from homeassistant.setup import setup_component
from tests.async_mock import Mock, patch
from tests.common import get_test_home_assistant, mock_registry
class TestFileSensor(unittest.TestCase):
"""Test the File sensor."""
def setup_method(self, method):
"""Set up things to be run when tests are started."""
self.hass = get_test_home_assistant()
# Patch out 'is_allowed_path' as the mock files aren't allowed
self.hass.config.is_allowed_path = Mock(return_value=True)
mock_registry(self.hass)
def teardown_method(self, method):
"""Stop everything that was started."""
self.hass.stop()
@patch("os.path.isfile", Mock(return_value=True))
@patch("os.access", Mock(return_value=True))
def test_file_value(self):
"""Test the File sensor."""
config = {
"sensor": {"platform": "file", "name": "file1", "file_path": "mock.file1"}
}
m_open = MockOpen(read_data="43\n45\n21")
with patch("homeassistant.components.file.sensor.open", m_open, create=True):
assert setup_component(self.hass, "sensor", config)
self.hass.block_till_done()
state = self.hass.states.get("sensor.file1")
assert state.state == "21"
@patch("os.path.isfile", Mock(return_value=True))
@patch("os.access", Mock(return_value=True))
def test_file_value_template(self):
"""Test the File sensor with JSON entries."""
config = {
"sensor": {
"platform": "file",
"name": "file2",
"file_path": "mock.file2",
"value_template": "{{ value_json.temperature }}",
}
}
data = (
'{"temperature": 29, "humidity": 31}\n'
'{"temperature": 26, "humidity": 36}'
)
m_open = MockOpen(read_data=data)
with patch("homeassistant.components.file.sensor.open", m_open, create=True):
assert setup_component(self.hass, "sensor", config)
self.hass.block_till_done()
state = self.hass.states.get("sensor.file2")
assert state.state == "26"
@patch("os.path.isfile", Mock(return_value=True))
@patch("os.access", Mock(return_value=True))
def test_file_empty(self):
"""Test the File sensor with an empty file."""
config = {
"sensor": {"platform": "file", "name": "file3", "file_path": "mock.file"}
}
m_open = MockOpen(read_data="")
with patch("homeassistant.components.file.sensor.open", m_open, create=True):
assert setup_component(self.hass, "sensor", config)
self.hass.block_till_done()
state = self.hass.states.get("sensor.file3")
assert state.state == STATE_UNKNOWN