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"""Event tests."""
from __future__ import annotations
import asyncio
from unittest.mock import AsyncMock, MagicMock, call
import pytest
from zigpy.event import EventBase
from zigpy.event.event_base import EventListener
class EventGenerator(EventBase):
"""Event generator for testing."""
class Event:
"""Event class for testing."""
event = "test"
event_type = "testing"
def test_event_base_unsubs():
"""Test event base class."""
event = EventGenerator()
assert not event._listeners
assert not event._global_listeners
callback = MagicMock()
unsub = event.on_event("test", callback)
assert event._listeners == {
"test": [EventListener(callback=callback, with_context=False)]
}
unsub()
assert event._listeners == {"test": []}
unsub = event.on_all_events(callback)
assert event._global_listeners == [
EventListener(callback=callback, with_context=False)
]
unsub()
assert not event._global_listeners
unsub = event.once("test", callback)
assert "test" in event._listeners
assert len(event._listeners["test"]) == 1
unsub()
assert event._listeners == {"test": []}
def test_event_base_emit():
"""Test event base class."""
event = EventGenerator()
assert not event._listeners
assert not event._global_listeners
callback = MagicMock()
event.once("test", callback)
event.emit("test")
assert callback.called
callback.reset_mock()
event.emit("test")
assert not callback.called
unsub = event.on_event("test", callback)
event.emit("test")
assert callback.called
unsub()
callback.reset_mock()
unsub = event.on_all_events(callback)
event.emit("test")
assert callback.called
unsub()
assert "test" in event._listeners
assert event._listeners == {"test": []}
assert not event._global_listeners
def test_event_base_emit_data():
"""Test event base class."""
event = EventGenerator()
assert not event._listeners
assert not event._global_listeners
callback = MagicMock()
event.once("test", callback)
event.emit("test", "data")
assert callback.called
assert callback.call_args[0] == ("data",)
callback.reset_mock()
event.emit("test", "data")
assert not callback.called
unsub = event.on_event("test", callback)
event.emit("test", "data")
assert callback.called
assert callback.call_args[0] == ("data",)
unsub()
callback.reset_mock()
unsub = event.on_all_events(callback)
event.emit("test", "data")
assert callback.called
assert callback.call_args[0] == ("data",)
unsub()
assert "test" in event._listeners
assert event._listeners == {"test": []}
assert not event._global_listeners
async def test_event_base_emit_coro():
"""Test event base class."""
event = EventGenerator()
assert not event._listeners
assert not event._global_listeners
callback = AsyncMock()
event.once("test", callback)
event.emit("test", "data")
await asyncio.gather(*event._event_tasks)
assert callback.await_count == 1
assert callback.mock_calls == [call("data")]
assert not event._event_tasks
callback.reset_mock()
unsub = event.on_event("test", callback)
event.emit("test", "data")
await asyncio.gather(*event._event_tasks)
assert callback.await_count == 1
assert callback.mock_calls == [call("data")]
unsub()
assert not event._event_tasks
callback.reset_mock()
unsub = event.on_all_events(callback)
event.emit("test", "data")
await asyncio.gather(*event._event_tasks)
assert callback.await_count == 1
assert callback.mock_calls == [call("data")]
unsub()
assert not event._event_tasks
test_event = Event()
event.on_event(test_event.event, event._handle_event_protocol)
event.handle_test = AsyncMock()
event.emit(test_event.event, test_event)
await asyncio.gather(*event._event_tasks)
assert event.handle_test.await_count == 1
assert event.handle_test.mock_calls == [call(test_event)]
assert not event._event_tasks
async def test_event_emit_with_context():
"""Test event emitting with context."""
event = EventGenerator()
async_callback = AsyncMock()
sync_callback = MagicMock()
event.once("test", sync_callback, with_context=True)
event.once("test", async_callback, with_context=True)
event.emit("test", "data")
await asyncio.gather(*event._event_tasks)
sync_callback.assert_called_once_with("test", "data")
async_callback.assert_awaited_once_with("test", "data")
def test_handle_event_protocol():
"""Test event base class."""
event_handler = EventGenerator()
event_handler.handle_test = MagicMock()
event_handler.on_event("test", event_handler._handle_event_protocol)
event = Event()
event_handler.emit(event.event, event)
assert event_handler.handle_test.called
assert event_handler.handle_test.call_args[0] == (event,)
def test_handle_event_protocol_no_event(caplog: pytest.LogCaptureFixture):
"""Test event base class."""
event_handler = EventGenerator()
event_handler.on_event("not_test", event_handler._handle_event_protocol)
event = Event()
event_handler.emit("not_test", event)
assert "Received unknown event:" in caplog.text
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