Add config entry to iOS (#16580)

* Add config entry to iOS

* Add translation

tests/components/ios/test_init.py

@@ -0,0 +1,61 @@
+"""Tests for the iOS init file."""
+from unittest.mock import patch
+
+import pytest
+
+from homeassistant import config_entries, data_entry_flow
+from homeassistant.setup import async_setup_component
+from homeassistant.components import ios
+
+from tests.common import mock_component, mock_coro
+
+
+@pytest.fixture(autouse=True)
+def mock_load_json():
+    """Mock load_json."""
+    with patch('homeassistant.components.ios.load_json', return_value={}):
+        yield
+
+
+@pytest.fixture(autouse=True)
+def mock_dependencies(hass):
+    """Mock dependencies loaded."""
+    mock_component(hass, 'zeroconf')
+    mock_component(hass, 'device_tracker')
+
+
+async def test_creating_entry_sets_up_sensor(hass):
+    """Test setting up iOS loads the sensor component."""
+    with patch('homeassistant.components.sensor.ios.async_setup_entry',
+               return_value=mock_coro(True)) as mock_setup:
+        result = await hass.config_entries.flow.async_init(
+            ios.DOMAIN, context={'source': config_entries.SOURCE_USER})
+        assert result['type'] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
+
+        await hass.async_block_till_done()
+
+    assert len(mock_setup.mock_calls) == 1
+
+
+async def test_configuring_ios_creates_entry(hass):
+    """Test that specifying config will create an entry."""
+    with patch('homeassistant.components.ios.async_setup_entry',
+               return_value=mock_coro(True)) as mock_setup:
+        await async_setup_component(hass, ios.DOMAIN, {
+            'ios': {
+                'push': {}
+            }
+        })
+        await hass.async_block_till_done()
+
+    assert len(mock_setup.mock_calls) == 1
+
+
+async def test_not_configuring_ios_not_creates_entry(hass):
+    """Test that no config will not create an entry."""
+    with patch('homeassistant.components.ios.async_setup_entry',
+               return_value=mock_coro(True)) as mock_setup:
+        await async_setup_component(hass, ios.DOMAIN, {})
+        await hass.async_block_till_done()
+
+    assert len(mock_setup.mock_calls) == 0