core/tests/components/shell_command/test_init.py

188 lines
6.0 KiB
Python

"""The tests for the Shell command component."""
import os
import tempfile
from typing import Tuple
from homeassistant.components import shell_command
from homeassistant.setup import async_setup_component
from tests.async_mock import MagicMock, patch
def mock_process_creator(error: bool = False):
"""Mock a coroutine that creates a process when yielded."""
async def communicate() -> Tuple[bytes, bytes]:
"""Mock a coroutine that runs a process when yielded.
Returns a tuple of (stdout, stderr).
"""
return b"I am stdout", b"I am stderr"
mock_process = MagicMock()
mock_process.communicate = communicate
mock_process.returncode = int(error)
return mock_process
async def test_executing_service(hass):
"""Test if able to call a configured service."""
with tempfile.TemporaryDirectory() as tempdirname:
path = os.path.join(tempdirname, "called.txt")
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"test_service": f"date > {path}"}},
)
await hass.async_block_till_done()
await hass.services.async_call("shell_command", "test_service", blocking=True)
await hass.async_block_till_done()
assert os.path.isfile(path)
async def test_config_not_dict(hass):
"""Test that setup fails if config is not a dict."""
assert not await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: ["some", "weird", "list"]},
)
async def test_config_not_valid_service_names(hass):
"""Test that setup fails if config contains invalid service names."""
assert not await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"this is invalid because space": "touch bla.txt"}},
)
@patch(
"homeassistant.components.shell_command.asyncio.subprocess"
".create_subprocess_shell"
)
async def test_template_render_no_template(mock_call, hass):
"""Ensure shell_commands without templates get rendered properly."""
mock_call.return_value = mock_process_creator(error=False)
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"test_service": "ls /bin"}},
)
await hass.async_block_till_done()
await hass.services.async_call("shell_command", "test_service", blocking=True)
await hass.async_block_till_done()
cmd = mock_call.mock_calls[0][1][0]
assert mock_call.call_count == 1
assert "ls /bin" == cmd
@patch(
"homeassistant.components.shell_command.asyncio.subprocess"
".create_subprocess_exec"
)
async def test_template_render(mock_call, hass):
"""Ensure shell_commands with templates get rendered properly."""
hass.states.async_set("sensor.test_state", "Works")
mock_call.return_value = mock_process_creator(error=False)
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{
shell_command.DOMAIN: {
"test_service": ("ls /bin {{ states.sensor.test_state.state }}")
}
},
)
await hass.services.async_call("shell_command", "test_service", blocking=True)
await hass.async_block_till_done()
cmd = mock_call.mock_calls[0][1]
assert mock_call.call_count == 1
assert ("ls", "/bin", "Works") == cmd
@patch(
"homeassistant.components.shell_command.asyncio.subprocess"
".create_subprocess_shell"
)
@patch("homeassistant.components.shell_command._LOGGER.error")
async def test_subprocess_error(mock_error, mock_call, hass):
"""Test subprocess that returns an error."""
mock_call.return_value = mock_process_creator(error=True)
with tempfile.TemporaryDirectory() as tempdirname:
path = os.path.join(tempdirname, "called.txt")
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"test_service": f"touch {path}"}},
)
await hass.services.async_call("shell_command", "test_service", blocking=True)
await hass.async_block_till_done()
assert mock_call.call_count == 1
assert mock_error.call_count == 1
assert not os.path.isfile(path)
@patch("homeassistant.components.shell_command._LOGGER.debug")
async def test_stdout_captured(mock_output, hass):
"""Test subprocess that has stdout."""
test_phrase = "I have output"
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"test_service": f"echo {test_phrase}"}},
)
await hass.services.async_call("shell_command", "test_service", blocking=True)
await hass.async_block_till_done()
assert mock_output.call_count == 1
assert test_phrase.encode() + b"\n" == mock_output.call_args_list[0][0][-1]
@patch("homeassistant.components.shell_command._LOGGER.debug")
async def test_stderr_captured(mock_output, hass):
"""Test subprocess that has stderr."""
test_phrase = "I have error"
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"test_service": f">&2 echo {test_phrase}"}},
)
await hass.services.async_call("shell_command", "test_service", blocking=True)
await hass.async_block_till_done()
assert mock_output.call_count == 1
assert test_phrase.encode() + b"\n" == mock_output.call_args_list[0][0][-1]
async def test_do_no_run_forever(hass, caplog):
"""Test subprocesses terminate after the timeout."""
with patch.object(shell_command, "COMMAND_TIMEOUT", 0.001):
assert await async_setup_component(
hass,
shell_command.DOMAIN,
{shell_command.DOMAIN: {"test_service": "sleep 10000"}},
)
await hass.async_block_till_done()
await hass.services.async_call(
shell_command.DOMAIN, "test_service", blocking=True
)
await hass.async_block_till_done()
assert "Timed out" in caplog.text
assert "sleep 10000" in caplog.text