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109 lines
3.8 KiB
109 lines
3.8 KiB
4 years ago
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"""Tests for distutils._msvccompiler."""
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import sys
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import unittest
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import os
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from distutils.errors import DistutilsPlatformError
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from distutils.tests import support
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from test.support import run_unittest
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SKIP_MESSAGE = (None if sys.platform == "win32" else
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"These tests are only for win32")
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@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
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class msvccompilerTestCase(support.TempdirManager,
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unittest.TestCase):
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def test_no_compiler(self):
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import distutils._msvccompiler as _msvccompiler
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# makes sure query_vcvarsall raises
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# a DistutilsPlatformError if the compiler
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# is not found
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def _find_vcvarsall(plat_spec):
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return None, None
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old_find_vcvarsall = _msvccompiler._find_vcvarsall
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_msvccompiler._find_vcvarsall = _find_vcvarsall
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try:
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self.assertRaises(DistutilsPlatformError,
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_msvccompiler._get_vc_env,
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'wont find this version')
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finally:
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_msvccompiler._find_vcvarsall = old_find_vcvarsall
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def test_compiler_options(self):
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import distutils._msvccompiler as _msvccompiler
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# suppress path to vcruntime from _find_vcvarsall to
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# check that /MT is added to compile options
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old_find_vcvarsall = _msvccompiler._find_vcvarsall
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def _find_vcvarsall(plat_spec):
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return old_find_vcvarsall(plat_spec)[0], None
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_msvccompiler._find_vcvarsall = _find_vcvarsall
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try:
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compiler = _msvccompiler.MSVCCompiler()
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compiler.initialize()
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self.assertIn('/MT', compiler.compile_options)
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self.assertNotIn('/MD', compiler.compile_options)
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finally:
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_msvccompiler._find_vcvarsall = old_find_vcvarsall
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def test_vcruntime_copy(self):
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import distutils._msvccompiler as _msvccompiler
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# force path to a known file - it doesn't matter
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# what we copy as long as its name is not in
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# _msvccompiler._BUNDLED_DLLS
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old_find_vcvarsall = _msvccompiler._find_vcvarsall
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def _find_vcvarsall(plat_spec):
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return old_find_vcvarsall(plat_spec)[0], __file__
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_msvccompiler._find_vcvarsall = _find_vcvarsall
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try:
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tempdir = self.mkdtemp()
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compiler = _msvccompiler.MSVCCompiler()
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compiler.initialize()
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compiler._copy_vcruntime(tempdir)
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self.assertTrue(os.path.isfile(os.path.join(
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tempdir, os.path.basename(__file__))))
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finally:
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_msvccompiler._find_vcvarsall = old_find_vcvarsall
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def test_vcruntime_skip_copy(self):
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import distutils._msvccompiler as _msvccompiler
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tempdir = self.mkdtemp()
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compiler = _msvccompiler.MSVCCompiler()
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compiler.initialize()
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dll = compiler._vcruntime_redist
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self.assertTrue(os.path.isfile(dll))
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compiler._copy_vcruntime(tempdir)
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self.assertFalse(os.path.isfile(os.path.join(
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tempdir, os.path.basename(dll))))
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def test_get_vc_env_unicode(self):
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import distutils._msvccompiler as _msvccompiler
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test_var = 'ṰḖṤṪ┅ṼẨṜ'
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test_value = '₃⁴₅'
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# Ensure we don't early exit from _get_vc_env
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old_distutils_use_sdk = os.environ.pop('DISTUTILS_USE_SDK', None)
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os.environ[test_var] = test_value
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try:
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env = _msvccompiler._get_vc_env('x86')
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self.assertIn(test_var.lower(), env)
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self.assertEqual(test_value, env[test_var.lower()])
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finally:
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os.environ.pop(test_var)
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if old_distutils_use_sdk:
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os.environ['DISTUTILS_USE_SDK'] = old_distutils_use_sdk
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def test_suite():
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return unittest.makeSuite(msvccompilerTestCase)
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if __name__ == "__main__":
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run_unittest(test_suite())
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