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import pytest
from briefcase.exceptions import UnsupportedHostError
from briefcase.integrations.subprocess import NativeAppContext, Subprocess
def test_short_circuit(mock_tools, first_app_config):
"""Tool is not created if already cached."""
mock_tools[first_app_config].app_context = "tool"
tool = NativeAppContext.verify(mock_tools, first_app_config)
assert tool == "tool"
assert tool == mock_tools[first_app_config].app_context
def test_unsupported_os(mock_tools):
"""When host OS is not supported, an error is raised."""
mock_tools.host_os = "wonky"
with pytest.raises(
UnsupportedHostError,
match=f"{NativeAppContext.name} is not supported on wonky",
):
NativeAppContext.verify(mock_tools, app=object())
def test_verify(mock_tools, first_app_config):
"""Subprocess verify always returns/sets subprocess tool."""
native_app_context_tool = NativeAppContext.verify(mock_tools, first_app_config)
assert isinstance(native_app_context_tool, Subprocess)
assert native_app_context_tool is mock_tools[first_app_config].app_context
# native app context should be the default subprocess tool
assert native_app_context_tool is mock_tools.subprocess
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