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import subprocess
from pathlib import Path
from unittest import mock
import pytest
from briefcase.exceptions import BriefcaseCommandError
from briefcase.integrations.base import ToolCache
from briefcase.integrations.subprocess import Subprocess
from briefcase.integrations.xcode import DeviceState, get_device_state
@pytest.fixture
def mock_tools(mock_tools) -> ToolCache:
mock_tools.subprocess = Subprocess(mock_tools)
mock_tools.subprocess._subprocess = mock.MagicMock(spec_set=subprocess)
mock_tools.subprocess.check_output = mock.MagicMock()
return mock_tools
def simctl_result(name):
"""Load a simctl result file from the sample directory, and return the content."""
filename = Path(__file__).parent / "simctl" / f"{name}.json"
with filename.open(encoding="utf-8") as f:
return f.read()
def test_simctl_missing(mock_tools):
"""If simctl is missing or fails to start, an exception is raised."""
mock_tools.subprocess.check_output.side_effect = subprocess.CalledProcessError(
cmd=["xcrun", "simctl", "list", "-j"], returncode=1
)
with pytest.raises(BriefcaseCommandError, match="Unable to run xcrun simctl."):
get_device_state(mock_tools, "2D3503A3-6EB9-4B37-9B17-C7EFEF2FA32D")
def test_simctl_output_parse_error(mock_tools):
"""If parsing simctl JSON output fails, an exception is raised."""
mock_tools.subprocess.check_output.return_value = "this is not JSON"
with pytest.raises(
BriefcaseCommandError, match="Unable to parse output of xcrun simctl"
):
get_device_state(mock_tools, "2D3503A3-6EB9-4B37-9B17-C7EFEF2FA32D")
def test_unknown_device(mock_tools):
"""If you ask for an invalid device UDID, an exception is raised."""
mock_tools.subprocess.check_output.return_value = simctl_result("no-devices")
with pytest.raises(BriefcaseCommandError):
get_device_state(mock_tools, "dead-beef-dead-beef")
def test_known_device_booted(mock_tools):
"""A valid, booted device can be inspected."""
mock_tools.subprocess.check_output.return_value = simctl_result(
"single-device-booted"
)
state = get_device_state(mock_tools, "2D3503A3-6EB9-4B37-9B17-C7EFEF2FA32D")
assert state == DeviceState.BOOTED
def test_known_device_shutdown(mock_tools):
"""A valid, shut down device can be inspected."""
mock_tools.subprocess.check_output.return_value = simctl_result(
"single-device-shutdown"
)
state = get_device_state(mock_tools, "2D3503A3-6EB9-4B37-9B17-C7EFEF2FA32D")
assert state == DeviceState.SHUTDOWN
def test_known_device_shutting_down(mock_tools):
"""A valid device that is shutting down can be inspected."""
mock_tools.subprocess.check_output.return_value = simctl_result(
"single-device-shutting-down"
)
state = get_device_state(mock_tools, "2D3503A3-6EB9-4B37-9B17-C7EFEF2FA32D")
assert state == DeviceState.SHUTTING_DOWN
def test_known_device_unknown_status(mock_tools):
"""If simctl returns something unexpected as status, we can recover."""
mock_tools.subprocess.check_output.return_value = simctl_result(
"single-device-unknown"
)
state = get_device_state(mock_tools, "2D3503A3-6EB9-4B37-9B17-C7EFEF2FA32D")
assert state == DeviceState.UNKNOWN
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