Create EventEntity for Folder Watcher (#116526)

tests/components/folder_watcher/test_event.py

@@ -0,0 +1,53 @@
+"""The event entity tests for Folder Watcher."""
+
+from pathlib import Path
+from time import sleep
+
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from tests.common import MockConfigEntry
+
+
+async def test_event_entity(
+    hass: HomeAssistant,
+    load_int: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+    snapshot: SnapshotAssertion,
+    tmp_path: Path,
+) -> None:
+    """Test the event entity."""
+    entry = load_int
+    await hass.async_block_till_done()
+
+    file = tmp_path.joinpath("hello.txt")
+    file.write_text("Hello, world!")
+    new_file = tmp_path.joinpath("hello2.txt")
+    file.rename(new_file)
+
+    await hass.async_add_executor_job(sleep, 0.1)
+
+    entity_entries = er.async_entries_for_config_entry(entity_registry, entry.entry_id)
+    assert entity_entries
+
+    def limit_attrs(prop, path):
+        exclude_attrs = {
+            "entity_id",
+            "friendly_name",
+            "folder",
+            "path",
+            "dest_folder",
+            "dest_path",
+        }
+        return prop in exclude_attrs
+
+    for entity_entry in entity_entries:
+        assert entity_entry == snapshot(
+            name=f"{entity_entry.unique_id}-entry", exclude=limit_attrs
+        )
+        assert (state := hass.states.get(entity_entry.entity_id))
+        assert state == snapshot(
+            name=f"{entity_entry.unique_id}-state", exclude=limit_attrs
+        )