core/tests/components/sensor/test_rest.py

289 lines
12 KiB
Python

"""The tests for the REST sensor platform."""
import unittest
from unittest.mock import patch, Mock
import requests
from requests.exceptions import Timeout, MissingSchema, RequestException
import requests_mock
from homeassistant.setup import setup_component
import homeassistant.components.sensor as sensor
import homeassistant.components.sensor.rest as rest
from homeassistant.const import STATE_UNKNOWN
from homeassistant.helpers.config_validation import template
from tests.common import get_test_home_assistant, assert_setup_component
class TestRestSensorSetup(unittest.TestCase):
"""Tests for setting up the REST sensor platform."""
def setUp(self):
"""Setup things to be run when tests are started."""
self.hass = get_test_home_assistant()
def tearDown(self):
"""Stop everything that was started."""
self.hass.stop()
def test_setup_missing_config(self):
"""Test setup with configuration missing required entries."""
with assert_setup_component(0):
assert setup_component(self.hass, sensor.DOMAIN, {
'sensor': {'platform': 'rest'}})
def test_setup_missing_schema(self):
"""Test setup with resource missing schema."""
with self.assertRaises(MissingSchema):
rest.setup_platform(self.hass, {
'platform': 'rest',
'resource': 'localhost',
'method': 'GET'
}, None)
@patch('requests.Session.send',
side_effect=requests.exceptions.ConnectionError())
def test_setup_failed_connect(self, mock_req):
"""Test setup when connection error occurs."""
self.assertTrue(rest.setup_platform(self.hass, {
'platform': 'rest',
'resource': 'http://localhost',
}, lambda devices, update=True: None) is None)
@patch('requests.Session.send', side_effect=Timeout())
def test_setup_timeout(self, mock_req):
"""Test setup when connection timeout occurs."""
self.assertTrue(rest.setup_platform(self.hass, {
'platform': 'rest',
'resource': 'http://localhost',
}, lambda devices, update=True: None) is None)
@requests_mock.Mocker()
def test_setup_minimum(self, mock_req):
"""Test setup with minimum configuration."""
mock_req.get('http://localhost', status_code=200)
self.assertTrue(setup_component(self.hass, 'sensor', {
'sensor': {
'platform': 'rest',
'resource': 'http://localhost'
}
}))
self.assertEqual(2, mock_req.call_count)
assert_setup_component(1, 'switch')
@requests_mock.Mocker()
def test_setup_get(self, mock_req):
"""Test setup with valid configuration."""
mock_req.get('http://localhost', status_code=200)
self.assertTrue(setup_component(self.hass, 'sensor', {
'sensor': {
'platform': 'rest',
'resource': 'http://localhost',
'method': 'GET',
'value_template': '{{ value_json.key }}',
'name': 'foo',
'unit_of_measurement': 'MB',
'verify_ssl': 'true',
'authentication': 'basic',
'username': 'my username',
'password': 'my password',
'headers': {'Accept': 'application/json'}
}
}))
self.assertEqual(2, mock_req.call_count)
assert_setup_component(1, 'sensor')
@requests_mock.Mocker()
def test_setup_post(self, mock_req):
"""Test setup with valid configuration."""
mock_req.post('http://localhost', status_code=200)
self.assertTrue(setup_component(self.hass, 'sensor', {
'sensor': {
'platform': 'rest',
'resource': 'http://localhost',
'method': 'POST',
'value_template': '{{ value_json.key }}',
'payload': '{ "device": "toaster"}',
'name': 'foo',
'unit_of_measurement': 'MB',
'verify_ssl': 'true',
'authentication': 'basic',
'username': 'my username',
'password': 'my password',
'headers': {'Accept': 'application/json'}
}
}))
self.assertEqual(2, mock_req.call_count)
assert_setup_component(1, 'sensor')
class TestRestSensor(unittest.TestCase):
"""Tests for REST sensor platform."""
def setUp(self):
"""Setup things to be run when tests are started."""
self.hass = get_test_home_assistant()
self.initial_state = 'initial_state'
self.rest = Mock('rest.RestData')
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'{ "key": "' + self.initial_state + '" }'))
self.name = 'foo'
self.unit_of_measurement = 'MB'
self.value_template = template('{{ value_json.key }}')
self.value_template.hass = self.hass
self.force_update = False
self.sensor = rest.RestSensor(
self.hass, self.rest, self.name, self.unit_of_measurement,
self.value_template, [], self.force_update
)
def tearDown(self):
"""Stop everything that was started."""
self.hass.stop()
def update_side_effect(self, data):
"""Side effect function for mocking RestData.update()."""
self.rest.data = data
def test_name(self):
"""Test the name."""
self.assertEqual(self.name, self.sensor.name)
def test_unit_of_measurement(self):
"""Test the unit of measurement."""
self.assertEqual(
self.unit_of_measurement, self.sensor.unit_of_measurement)
def test_force_update(self):
"""Test the unit of measurement."""
self.assertEqual(
self.force_update, self.sensor.force_update)
def test_state(self):
"""Test the initial state."""
self.sensor.update()
self.assertEqual(self.initial_state, self.sensor.state)
def test_update_when_value_is_none(self):
"""Test state gets updated to unknown when sensor returns no data."""
self.rest.update = Mock(
'rest.RestData.update', side_effect=self.update_side_effect(None))
self.sensor.update()
self.assertEqual(STATE_UNKNOWN, self.sensor.state)
self.assertFalse(self.sensor.available)
def test_update_when_value_changed(self):
"""Test state gets updated when sensor returns a new status."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'{ "key": "updated_state" }'))
self.sensor.update()
self.assertEqual('updated_state', self.sensor.state)
self.assertTrue(self.sensor.available)
def test_update_with_no_template(self):
"""Test update when there is no value template."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'plain_state'))
self.sensor = rest.RestSensor(self.hass, self.rest, self.name,
self.unit_of_measurement, None, [],
self.force_update)
self.sensor.update()
self.assertEqual('plain_state', self.sensor.state)
self.assertTrue(self.sensor.available)
def test_update_with_json_attrs(self):
"""Test attributes get extracted from a JSON result."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'{ "key": "some_json_value" }'))
self.sensor = rest.RestSensor(self.hass, self.rest, self.name,
self.unit_of_measurement, None, ['key'],
self.force_update)
self.sensor.update()
self.assertEqual('some_json_value',
self.sensor.device_state_attributes['key'])
@patch('homeassistant.components.sensor.rest._LOGGER')
def test_update_with_json_attrs_no_data(self, mock_logger):
"""Test attributes when no JSON result fetched."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(None))
self.sensor = rest.RestSensor(self.hass, self.rest, self.name,
self.unit_of_measurement, None, ['key'],
self.force_update)
self.sensor.update()
self.assertEqual({}, self.sensor.device_state_attributes)
self.assertTrue(mock_logger.warning.called)
@patch('homeassistant.components.sensor.rest._LOGGER')
def test_update_with_json_attrs_not_dict(self, mock_logger):
"""Test attributes get extracted from a JSON result."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'["list", "of", "things"]'))
self.sensor = rest.RestSensor(self.hass, self.rest, self.name,
self.unit_of_measurement, None, ['key'],
self.force_update)
self.sensor.update()
self.assertEqual({}, self.sensor.device_state_attributes)
self.assertTrue(mock_logger.warning.called)
@patch('homeassistant.components.sensor.rest._LOGGER')
def test_update_with_json_attrs_bad_JSON(self, mock_logger):
"""Test attributes get extracted from a JSON result."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'This is text rather than JSON data.'))
self.sensor = rest.RestSensor(self.hass, self.rest, self.name,
self.unit_of_measurement, None, ['key'],
self.force_update)
self.sensor.update()
self.assertEqual({}, self.sensor.device_state_attributes)
self.assertTrue(mock_logger.warning.called)
self.assertTrue(mock_logger.debug.called)
def test_update_with_json_attrs_and_template(self):
"""Test attributes get extracted from a JSON result."""
self.rest.update = Mock('rest.RestData.update',
side_effect=self.update_side_effect(
'{ "key": "json_state_updated_value" }'))
self.sensor = rest.RestSensor(self.hass, self.rest, self.name,
self.unit_of_measurement,
self.value_template, ['key'],
self.force_update)
self.sensor.update()
self.assertEqual('json_state_updated_value', self.sensor.state)
self.assertEqual('json_state_updated_value',
self.sensor.device_state_attributes['key'],
self.force_update)
class TestRestData(unittest.TestCase):
"""Tests for RestData."""
def setUp(self):
"""Setup things to be run when tests are started."""
self.method = "GET"
self.resource = "http://localhost"
self.verify_ssl = True
self.rest = rest.RestData(
self.method, self.resource, None, None, None, self.verify_ssl)
@requests_mock.Mocker()
def test_update(self, mock_req):
"""Test update."""
mock_req.get('http://localhost', text='test data')
self.rest.update()
self.assertEqual('test data', self.rest.data)
@patch('requests.Session', side_effect=RequestException)
def test_update_request_exception(self, mock_req):
"""Test update when a request exception occurs."""
self.rest.update()
self.assertEqual(None, self.rest.data)