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from __future__ import annotations
import os
import textwrap
import pytest
import skbuild
from skbuild.constants import CMAKE_BUILD_DIR
from . import _tmpdir, execute_setup_py
def test_isolated_env_trigger_reconfigure(mocker):
tmp_dir = _tmpdir("isolated_env_trigger_reconfigure")
tmp_dir.join("setup.py").write(
textwrap.dedent(
"""
from skbuild import setup
setup(
name="test_isolated_env_trigger_reconfigure",
version="1.2.3",
description="A minimal example package",
author="The scikit-build team",
license="MIT",
)
"""
)
)
tmp_dir.join("CMakeLists.txt").write(
textwrap.dedent(
"""
message(FATAL_ERROR "This error message should not be displayed")
"""
)
)
#
# mock configure
#
def fake_configure(*args, **kwargs):
# Simulate a successful configuration creating a CMakeCache.txt
tmp_dir.ensure(CMAKE_BUILD_DIR(), dir=1).join("CMakeCache.txt").write(
textwrap.dedent(
"""
//Name of generator.
CMAKE_GENERATOR:INTERNAL=Ninja
"""
)
)
# Skip real configuration creating the CMakeCache.txt expected by
# "skbuild.setuptools_wrap._load_cmake_spec()" function
mocker.patch("skbuild.cmaker.CMaker.configure", new=fake_configure)
#
# mock _save_cmake_spec
#
_save_cmake_spec_original = skbuild.setuptools_wrap._save_cmake_spec
exit_after_saving_cmake_spec = "exit skbuild saving cmake spec"
def _save_cmake_spec_mock(args):
_save_cmake_spec_original(args)
raise RuntimeError(exit_after_saving_cmake_spec)
mocker.patch("skbuild.setuptools_wrap._save_cmake_spec", new=_save_cmake_spec_mock)
#
# mock make
#
exit_before_running_cmake = "exit skbuild running make"
mocker.patch("skbuild.cmaker.CMaker.make", side_effect=RuntimeError(exit_before_running_cmake))
# first build: "configure" and "_save_cmake_spec" are expected to be called
with pytest.raises(RuntimeError, match=exit_after_saving_cmake_spec):
with execute_setup_py(tmp_dir, ["build"], disable_languages_test=True):
pass
# second build: no reconfiguration should happen, only "make" is expected to be called
with pytest.raises(RuntimeError, match=exit_before_running_cmake):
with execute_setup_py(tmp_dir, ["build"], disable_languages_test=True):
pass
# since pip updates PYTHONPATH with the temporary path
# where the project dependencies are installed, we simulate
# this by updating the corresponding environment variable.
os.environ["PYTHONPATH"] = "/path/to/anything"
# after updating the env, reconfiguration is expected
with pytest.raises(RuntimeError, match=exit_after_saving_cmake_spec):
with execute_setup_py(tmp_dir, ["build"], disable_languages_test=True):
pass
# no reconfiguration should happen
with pytest.raises(RuntimeError, match=exit_before_running_cmake):
with execute_setup_py(tmp_dir, ["build"], disable_languages_test=True):
pass
# this is the other variable set by pip when doing isolated build
os.environ["PYTHONNOUSERSITE"] = "1"
# after updating the env, reconfiguration is expected
with pytest.raises(RuntimeError, match=exit_after_saving_cmake_spec):
with execute_setup_py(tmp_dir, ["build"], disable_languages_test=True):
pass
# no reconfiguration should happen
with pytest.raises(RuntimeError, match=exit_before_running_cmake):
with execute_setup_py(tmp_dir, ["build"], disable_languages_test=True):
pass
|
