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mirror of https://github.com/home-assistant/core synced 2024-09-18 19:55:20 +02:00
ha-core/tests/helpers/test_dispatcher.py

152 lines
3.7 KiB
Python

"""Test dispatcher helpers."""
from functools import partial
import pytest
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import (
async_dispatcher_connect,
async_dispatcher_send,
)
async def test_simple_function(hass):
"""Test simple function (executor)."""
calls = []
def test_funct(data):
"""Test function."""
calls.append(data)
async_dispatcher_connect(hass, "test", test_funct)
async_dispatcher_send(hass, "test", 3)
await hass.async_block_till_done()
assert calls == [3]
async_dispatcher_send(hass, "test", "bla")
await hass.async_block_till_done()
assert calls == [3, "bla"]
async def test_simple_function_unsub(hass):
"""Test simple function (executor) and unsub."""
calls1 = []
calls2 = []
def test_funct1(data):
"""Test function."""
calls1.append(data)
def test_funct2(data):
"""Test function."""
calls2.append(data)
async_dispatcher_connect(hass, "test1", test_funct1)
unsub = async_dispatcher_connect(hass, "test2", test_funct2)
async_dispatcher_send(hass, "test1", 3)
async_dispatcher_send(hass, "test2", 4)
await hass.async_block_till_done()
assert calls1 == [3]
assert calls2 == [4]
unsub()
async_dispatcher_send(hass, "test1", 5)
async_dispatcher_send(hass, "test2", 6)
await hass.async_block_till_done()
assert calls1 == [3, 5]
assert calls2 == [4]
# check don't kill the flow
unsub()
async_dispatcher_send(hass, "test1", 7)
async_dispatcher_send(hass, "test2", 8)
await hass.async_block_till_done()
assert calls1 == [3, 5, 7]
assert calls2 == [4]
async def test_simple_callback(hass):
"""Test simple callback (async)."""
calls = []
@callback
def test_funct(data):
"""Test function."""
calls.append(data)
async_dispatcher_connect(hass, "test", test_funct)
async_dispatcher_send(hass, "test", 3)
await hass.async_block_till_done()
assert calls == [3]
async_dispatcher_send(hass, "test", "bla")
await hass.async_block_till_done()
assert calls == [3, "bla"]
async def test_simple_coro(hass):
"""Test simple coro (async)."""
calls = []
async def async_test_funct(data):
"""Test function."""
calls.append(data)
async_dispatcher_connect(hass, "test", async_test_funct)
async_dispatcher_send(hass, "test", 3)
await hass.async_block_till_done()
assert calls == [3]
async_dispatcher_send(hass, "test", "bla")
await hass.async_block_till_done()
assert calls == [3, "bla"]
async def test_simple_function_multiargs(hass):
"""Test simple function (executor)."""
calls = []
def test_funct(data1, data2, data3):
"""Test function."""
calls.append(data1)
calls.append(data2)
calls.append(data3)
async_dispatcher_connect(hass, "test", test_funct)
async_dispatcher_send(hass, "test", 3, 2, "bla")
await hass.async_block_till_done()
assert calls == [3, 2, "bla"]
@pytest.mark.no_fail_on_log_exception
async def test_callback_exception_gets_logged(hass, caplog):
"""Test exception raised by signal handler."""
@callback
def bad_handler(*args):
"""Record calls."""
raise Exception("This is a bad message callback")
# wrap in partial to test message logging.
async_dispatcher_connect(hass, "test", partial(bad_handler))
async_dispatcher_send(hass, "test", "bad")
await hass.async_block_till_done()
await hass.async_block_till_done()
assert (
f"Exception in functools.partial({bad_handler}) when dispatching 'test': ('bad',)"
in caplog.text
)