Add options flow to File (#120269)

* Add options flow to File

* Review comments

tests/components/file/test_init.py

@@ -0,0 +1,65 @@
+"""The tests for local file init."""
+
+from unittest.mock import MagicMock, Mock, patch
+
+from homeassistant.components.file import DOMAIN
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry, get_fixture_path
+
+
+@patch("os.path.isfile", Mock(return_value=True))
+@patch("os.access", Mock(return_value=True))
+async def test_migration_to_version_2(
+    hass: HomeAssistant, mock_is_allowed_path: MagicMock
+) -> None:
+    """Test the File sensor with JSON entries."""
+    data = {
+        "platform": "sensor",
+        "name": "file2",
+        "file_path": get_fixture_path("file_value_template.txt", "file"),
+        "value_template": "{{ value_json.temperature }}",
+    }
+
+    entry = MockConfigEntry(
+        domain=DOMAIN,
+        version=1,
+        data=data,
+        title=f"test [{data['file_path']}]",
+    )
+    entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(entry.entry_id)
+
+    assert entry.state is ConfigEntryState.LOADED
+    assert entry.version == 2
+    assert entry.data == {
+        "platform": "sensor",
+        "name": "file2",
+        "file_path": get_fixture_path("file_value_template.txt", "file"),
+    }
+    assert entry.options == {
+        "value_template": "{{ value_json.temperature }}",
+    }
+
+
+@patch("os.path.isfile", Mock(return_value=True))
+@patch("os.access", Mock(return_value=True))
+async def test_migration_from_future_version(
+    hass: HomeAssistant, mock_is_allowed_path: MagicMock
+) -> None:
+    """Test the File sensor with JSON entries."""
+    data = {
+        "platform": "sensor",
+        "name": "file2",
+        "file_path": get_fixture_path("file_value_template.txt", "file"),
+        "value_template": "{{ value_json.temperature }}",
+    }
+
+    entry = MockConfigEntry(
+        domain=DOMAIN, version=3, data=data, title=f"test [{data['file_path']}]"
+    )
+    entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(entry.entry_id)
+
+    assert entry.state is ConfigEntryState.MIGRATION_ERROR