Files
cibuildwheel/test/10_cpp_standards/cibuildwheel_test.py
T

107 lines
4.4 KiB
Python

import os
import pytest
import utils
project_dir = os.path.dirname(__file__)
def test_cpp11():
# This test checks that the C++11 standard is supported
# VC++ for Python 2.7 does not support modern standards
add_env = {'CIBW_SKIP': 'cp27-win* pp27-win32', 'CIBW_ENVIRONMENT': 'STANDARD=11'}
actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
if 'cp27-cp27m-win' not in w and 'pp27-pypy_73-win32' not in w]
assert set(actual_wheels) == set(expected_wheels)
def test_cpp14():
# This test checks that the C++14 standard is supported
# VC++ for Python 2.7 does not support modern standards
# The manylinux1 docker image does not have a compiler which supports C++11
add_env = {'CIBW_SKIP': 'cp27-win* pp27-win32', 'CIBW_ENVIRONMENT': 'STANDARD=14'}
actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
if 'cp27-cp27m-win' not in w
and 'pp27-pypy_73-win32' not in w]
assert set(actual_wheels) == set(expected_wheels)
def test_cpp17():
# This test checks that the C++17 standard is supported
# Python and PyPy 2.7 use the `register` keyword which is forbidden in the C++17 standard
# The manylinux1 docker image does not have a compiler which supports C++11
if os.environ.get('APPVEYOR_BUILD_WORKER_IMAGE', '') == 'Visual Studio 2015':
pytest.skip('Visual Studio 2015 does not support C++17')
add_env = {'CIBW_SKIP': 'cp27-win* pp27-win32', 'CIBW_ENVIRONMENT': 'STANDARD=17'}
if utils.platform == 'macos':
add_env['MACOSX_DEPLOYMENT_TARGET'] = '10.13'
actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0', macosx_deployment_target='10.13')
if 'cp27-cp27m-win' not in w
and 'pp27-pypy_73-win32' not in w]
assert set(actual_wheels) == set(expected_wheels)
def test_cpp17_py27_modern_msvc_workaround():
# This test checks the workaround for building Python 2.7 wheel with MSVC 14
if utils.platform != 'windows':
pytest.skip('the test is only relevant to the Windows build')
if os.environ.get('APPVEYOR_BUILD_WORKER_IMAGE', '') == 'Visual Studio 2015':
pytest.skip('Visual Studio 2015 does not support C++17')
# VC++ for Python 2.7 (i.e., MSVC 9) does not support modern standards
# This is a workaround which forces distutils/setupstools to a newer version
# Wheels compiled need a more modern C++ redistributable installed, which is not
# included with Python: see documentation for more info
# DISTUTILS_USE_SDK and MSSdk=1 tell distutils/setuptools that we are adding
# MSVC's compiler, tools, and libraries to PATH ourselves
add_env = {'CIBW_ENVIRONMENT': 'STANDARD=17',
'DISTUTILS_USE_SDK': '1', 'MSSdk': '1'}
# Use existing setuptools code to run Visual Studio's vcvarsall.bat and get the
# necessary environment variables, since running vcvarsall.bat in a subprocess
# does not keep the relevant environment variables
# There are different environment variables for 32-bit/64-bit targets, so we
# need to run cibuildwheel twice, once for 32-bit with `vcvarsall.bat x86, and
# once for 64-bit with `vcvarsall.bat x64`
# In a normal CI setup, just run vcvarsall.bat before running cibuildwheel and set
# DISTUTILS_USE_SDK and MSSdk
import setuptools
def add_vcvars(prev_env, platform):
vcvarsall_env = setuptools.msvc.msvc14_get_vc_env(platform)
env = prev_env.copy()
for vcvar in ['path', 'include', 'lib']:
env[vcvar] = vcvarsall_env[vcvar]
return env
add_env_x86 = add_vcvars(add_env, 'x86')
add_env_x86['CIBW_BUILD'] = '?p27-win32'
actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env_x86)
add_env_x64 = add_vcvars(add_env, 'x64')
add_env_x64['CIBW_BUILD'] = 'cp27-win_amd64'
actual_wheels += utils.cibuildwheel_run(project_dir, add_env=add_env_x64)
expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
if 'cp27-cp27m-win' in w
or 'pp27-pypy_73-win32' in w]
assert set(actual_wheels) == set(expected_wheels)