text: """deCONZ switch platform tests."""
  from unittest.mock import Mock, patch
  
  from homeassistant import config_entries
  from homeassistant.components import deconz
  from homeassistant.components.deconz.const import SWITCH_TYPES
  from homeassistant.helpers.dispatcher import async_dispatcher_send
  
  from tests.common import mock_coro
  
  SUPPORTED_SWITCHES = {
      "1": {
          "id": "Switch 1 id",
          "name": "Switch 1 name",
          "type": "On/Off plug-in unit",
          "state": {}
      },
      "2": {
          "id": "Switch 2 id",
          "name": "Switch 2 name",
          "type": "Smart plug",
          "state": {}
      },
      "3": {
          "id": "Switch 3 id",
          "name": "Switch 3 name",
          "type": "Warning device",
          "state": {}
      }
  }
  
  UNSUPPORTED_SWITCH = {
      "1": {
          "id": "Switch id",
          "name": "Unsupported switch",
          "type": "Not a smart plug",
          "state": {}
      }
  }
  
  
  async def setup_bridge(hass, data):
      """Load the deCONZ switch platform."""
      from pydeconz import DeconzSession
      loop = Mock()
      session = Mock()
      entry = Mock()
      entry.data = {'host': '1.2.3.4', 'port': 80, 'api_key': '1234567890ABCDEF'}
      bridge = DeconzSession(loop, session, **entry.data)
      with patch('pydeconz.DeconzSession.async_get_state',
                 return_value=mock_coro(data)):
          await bridge.async_load_parameters()
      hass.data[deconz.DOMAIN] = bridge
      hass.data[deconz.DATA_DECONZ_UNSUB] = []
      hass.data[deconz.DATA_DECONZ_ID] = {}
      config_entry = config_entries.ConfigEntry(
          1, deconz.DOMAIN, 'Mock Title', {'host': 'mock-host'}, 'test')
      await hass.config_entries.async_forward_entry_setup(config_entry, 'switch')
      # To flush out the service call to update the group
      await hass.async_block_till_done()
  
  
  async def test_no_switches(hass):
      """Test that no switch entities are created."""
      data = {}
      await setup_bridge(hass, data)
      assert len(hass.data[deconz.DATA_DECONZ_ID]) == 0
      assert len(hass.states.async_all()) == 0
  
  
  async def test_switch(hass):
      """Test that all supported switch entities and switch group are created."""
      await setup_bridge(hass, {"lights": SUPPORTED_SWITCHES})
      assert "switch.switch_1_name" in hass.data[deconz.DATA_DECONZ_ID]
      assert "switch.switch_2_name" in hass.data[deconz.DATA_DECONZ_ID]
      assert "switch.switch_3_name" in hass.data[deconz.DATA_DECONZ_ID]
      assert len(SUPPORTED_SWITCHES) == len(SWITCH_TYPES)
      assert len(hass.states.async_all()) == 4
  
  
  async def test_add_new_switch(hass):
      """Test successful creation of switch entity."""
      data = {}
      await setup_bridge(hass, data)
      switch = Mock()
      switch.name = 'name'
      switch.type = "Smart plug"
      switch.register_async_callback = Mock()
      async_dispatcher_send(hass, 'deconz_new_light', [switch])
      await hass.async_block_till_done()
      assert "switch.name" in hass.data[deconz.DATA_DECONZ_ID]
  
  
  async def test_unsupported_switch(hass):
      """Test that unsupported switches are not created."""
      await setup_bridge(hass, {"lights": UNSUPPORTED_SWITCH})
      assert len(hass.states.async_all()) == 0
  