93 lines
3.8 KiB
Python
93 lines
3.8 KiB
Python
import os
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import pytest
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import utils
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project_dir = os.path.dirname(__file__)
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def test_cpp11(tmp_path):
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# This test checks that the C++11 standard is supported
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# VC++ for Python 2.7 does not support modern standards
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add_env = {'CIBW_SKIP': 'cp27-win* pp27-win32', 'CIBW_ENVIRONMENT': 'STANDARD=11'}
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actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
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expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
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if 'cp27-cp27m-win' not in w and 'pp27-pypy_73-win32' not in w]
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assert set(actual_wheels) == set(expected_wheels)
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def test_cpp14():
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# This test checks that the C++14 standard is supported
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# VC++ for Python 2.7 does not support modern standards
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# The manylinux1 docker image does not have a compiler which supports C++11
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# Python 3.4 and 3.5 are compiled with MSVC 10, which does not support C++14
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add_env = {'CIBW_SKIP': 'cp27-win* pp27-win32 cp35-win*', 'CIBW_ENVIRONMENT': 'STANDARD=14'}
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actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
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expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
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if 'cp27-cp27m-win' not in w
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and 'pp27-pypy_73-win32' not in w
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and 'cp35-cp35m-win' not in w]
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assert set(actual_wheels) == set(expected_wheels)
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def test_cpp17():
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# This test checks that the C++17 standard is supported
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# Python and PyPy 2.7 use the `register` keyword which is forbidden in the C++17 standard
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# The manylinux1 docker image does not have a compiler which supports C++11
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# Python 3.5 and PyPy 3.6 are compiled with MSVC 10, which does not support C++17
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if os.environ.get('APPVEYOR_BUILD_WORKER_IMAGE', '') == 'Visual Studio 2015':
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pytest.skip('Visual Studio 2015 does not support C++17')
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add_env = {'CIBW_SKIP': 'cp27-win* pp27-win32 cp35-win* pp36-win32', 'CIBW_ENVIRONMENT': 'STANDARD=17'}
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if utils.platform == 'macos':
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add_env['MACOSX_DEPLOYMENT_TARGET'] = '10.13'
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actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
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expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0', macosx_deployment_target='10.13')
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if 'cp27-cp27m-win' not in w
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and 'pp27-pypy_73-win32' not in w
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and 'cp35-cp35m-win' not in w
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and 'pp36-pypy36_pp73-win32' not in w]
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assert set(actual_wheels) == set(expected_wheels)
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def test_cpp17_modern_msvc_workaround(tmp_path):
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# This test checks the workaround for modern C++ versions, using a modern compiler
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if utils.platform != 'windows':
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pytest.skip('the test is only relevant to the Windows build')
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if os.environ.get('APPVEYOR_BUILD_WORKER_IMAGE', '') == 'Visual Studio 2015':
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pytest.skip('Visual Studio 2015 does not support C++17')
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# VC++ for Python 2.7 and MSVC 10 do not support modern standards
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# This is a workaround which forces distutils/setupstools to a newer version
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# Wheels compiled need a more modern C++ redistributable installed, which is not
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# included with Python: see documentation for more info
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# DISTUTILS_USE_SDK and MSSdk=1 tell distutils/setuptools that we are adding
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# MSVC's compiler, tools, and libraries to PATH ourselves
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add_env = {'CIBW_ENVIRONMENT': 'STANDARD=17',
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'DISTUTILS_USE_SDK': '1', 'MSSdk': '1'}
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# Use existing setuptools code to run Visual Studio's vcvarsall.bat
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import setuptools.msvc
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vcvarsall_env = setuptools.msvc.msvc14_get_vc_env('x86')
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for vc_var in ['path', 'include', 'lib']:
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if vc_var in vcvarsall_env:
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add_env[vc_var] = vcvarsall_env[vc_var]
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actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
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expected_wheels = utils.expected_wheels('spam', '0.1.0')
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assert set(actual_wheels) == set(expected_wheels)
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